Typhoon HIL Forum - Recent questions

Data from Modbus communications for Battery ESS (Generic) component

Mon, 19 Oct 2026 13:21:30 +0000

Hello,

I would like to control a "Battery ESS (Generic)" component using Modbus communications over Ethernet from a computer external to the HIL. An example model is already provided (Generic microgrid with multiprotocol gateway) but in this case the CAN protocol is used instead of Modbus.

Using this example as an initial base, I have modified the "Battery ESS (Generic) UI" component that handles CAN communications, deleting all CAN-related configuration and blocks, and adding a Modbus Device for which I create a config in the model initialization file. I intend to keep the same input and output variables that the CAN interface used, keeping the same variable tipes, which are all "uint" as far as I can see.

When I try to validate the model, a number of errors arise related to the "Battery ESS (Generic)" component. Some of those are:

Error occurred in handler 'pre_compile' of component Battery ESS (Generic).Battery DC Link SP1.dynamiccs
→ General error
→ ERROR in 'pre_compile' handler registered on component 'dynamiccs': can't multiply sequence by non-int of type 'float'

Error occurred in handler 'pre_compile' of component Battery ESS (Generic).battery_converter_control.Voltage Droop control1.LPF_V
→ General error
→ ERROR in 'pre_compile' handler registered on component 'LPF_V': can't multiply sequence by non-int of type 'float'

Error occurred in handler 'pre_compile' of component Battery ESS (Generic).battery_converter_control.Frequency Droop control1.LPF_P
→ General error
→ ERROR in 'pre_compile' handler registered on component 'LPF_P': can't multiply sequence by non-int of type 'float'

I guess that I am doing something wrong and that the Battery ESS (Generic) component is receiving some float variables, which shouldn't be floats.

Any guidance on how to resolve this issue or any model example where this component is linked with a Modbus interface would be greatly appreciated.

Best regards,

Edit: After further testing, I realized that the baseline CAN interface uses 8 bits for the uint registers, and I can't find a way to use 8-bit registers in Modbus in the Modbus Device documentation. Could the errors be related to this?

Edit-v2: I have uploaded the problematic model to a Google Drive, here: https://drive.google.com/file/d/1bSzvuzA0W2eujwhUGY3COjv7p3GTUtDO/view?usp=drive_link

HIL604 loses PTP "Synchronized" ~15 s after start; simulation drifts -10 ppm vs grandmaster

Mon, 19 Oct 2026 13:21:28 +0000

Hello,

We use a HIL604 to drive IEC 61850-9-2 merging units that are themselves PTP-synchronized, so we need the HIL simulation to stay locked to the same PTP grandmaster. The HIL starts on a PTP second as expected, but it does not stay synchronized.

Setup

Device: HIL604, serial 00604-14-00536, firmware release 132776977 (as reported by the device manager), calibration date 2024-02-05.
Software: Typhoon HIL Control Center 2026.2, Python API typhoon_hil_api 1.31.3, controlled from a Linux PC (Debian 12) through the Python API.

Model: core/Time Synchronization component

sync_source PTP, eth_port 2, execution_rate 1e-4, no VLAN
ptp_config_select IEC61850-9-3: time_stamping hardware, network_transport L2, clientOnly 1, domainNumber 0, delay_mechanism P2P, logAnnounceInterval 0, logSyncInterval 0, logMinPdelayReqInterval 0, announceReceiptTimeout 3
The model is loaded, then the simulation is started again once PTP is present, so that it starts on a PTP second.
Network: HIL Ethernet port 2 connects to an industrial switch on our process bus. The grandmaster is a Meinberg on the same switch. Other PTP clients on the same switch with the same profile (linuxptp ptp4l, P2P, hardware timestamps) hold lock at about 200 ns rms, with a valid peer delay of about 570 ns.

What we observe

After a start, the Time Synchronization outputs read PTP = 1 and Synchronized = 1.
15.7 s after the start, Synchronized drops to 0 and stays 0 for the rest of the run. PTP stays 1 the whole time (polled once per second).
The simulation does not track the grandmaster's time. We measure the phase of a 50 Hz sine source from the HIL at a PTP-synchronized merging unit, which time-stamps its samples against the same grandmaster. Over 12 s windows the phase drifts by −6 to −11 ppm. A separate 90 s run gave a steady −9.4 ppm, i.e. the simulation time runs about 9.4 µs per second slow. The drift starts right after the start, while Synchronized is still 1.
−10 ppm over 15.7 s is about 150 µs, which may be the limit at which Synchronized is cleared.
Restarting the simulation (stop and start, no reload) repeats the pattern every time.

Questions

Does the HIL604 steer its simulation time base to PTP continuously during a run (full device synchronization over Ethernet port 2), or does it only align the start?
What condition clears the Synchronized output while PTP stays 1, and what is the threshold?
Is there a way to read the PTP servo state, offset and path delay of the HIL during a run (status component, log, or API call)?
Is this a known issue with HIL604 firmware or THCC 2026.2, and is it fixed in 2026.3 or later?
Would IRIG-B on the HIL604 keep the simulation locked during the run, if PTP cannot?

We can provide the model file, packet captures of the PTP traffic on the HIL port, and the phase measurements if useful.

Best regards,

Parallel Connection of Two Photovoltaic System Inverters

Thu, 08 Oct 2026 05:36:09 +0000

Dear Sir/Madam,

Greetings.

I have been experimenting with the parallel connection of two photovoltaic (PV) power converters and have encountered problems that I am unable to resolve.

Specifically, I am analyzing two PV converters that are connected in parallel on the AC side, while their DC-side PV arrays can be considered to be connected in series. When I use isolation transformers between the grid and the AC side of both converters (Case 0), the system operates entirely according to my expectations and remains stable. Even when I remove one isolation transformer from Case 0 while keeping the other, the entire system still operates properly and stably. However, if I remove both isolation transformers from the model (Case 1), a system-wide malfunction occurs. This is manifested by oscillations in the DC quantities (current, voltage, and power), and PV converter No. 2 (PV_C_2) is unable to deliver power.

You can find both models (Case 0 and Case 1) at the following link: https://drive.google.com/file/d/1lpCIXH-3DtK7pMdBEZ4tkI5E0KwZtS7R/view?usp=sharing

I have searched for reasons in the literature and via AI, where I found that the issue might be caused by circulating currents between the two parallel-connected inverters, due to their PWM generators not being synchronized. Please let me know if you can help me improve the model to achieve synchronization between the two inverters, so I can attempt to resolve this drawback that way. I tried adding an external PWM signal to each inverter, but I was unsuccessful and do not see a way to synchronize the signals.

What is your opinion? Would this approach solve the problem? Is there an example of external control available somewhere?

I look forward to hearing from you as soon as possible.

Duško Tovilović, dipl.inž.el.
PhD student

Ulica akademika Jovana Surutke br. 19

78000 Banjaluka,

Bosna i Hercegovina

Tel.: +38765936837

E-mail: tdusko@gmail.com

Using THCC on a HPC cluster

Tue, 06 Oct 2026 07:27:57 +0000

Hello,

I have extended one of the Typhoon HIL IBR examples to include two IBRs. The resulting model requires significantly more RAM to compile than my workstation has available.

My university can provide access to HPC nodes with much larger memory capacity, so I'd like to install and run Typhoon HIL Control Center there.

I already have a valid Typhoon HIL licence, but I am unsure whether the current licence terms/documentation permit installation and use on a university HPC compute node.

Has anyone used Typhoon HIL Control Center on an HPC cluster or similar computing environment before?

Also, can anyone point me to a phrase in the current Typhoon HIL documentation or licence terms confirming that there is no restriction on using a valid user licence on a university HPC compute node?

I have already contacted Typhoon HIL support and am awaiting their response, but I would appreciate hearing from anyone who has done something similar in practice.

Kind regards,

HIL Scada vs TyphoonSim

Fri, 25 Sep 2026 12:58:11 +0000

I'd like to know why the same system, when simulated in VHIL, behaves differently in the HIL SCADA scope and in Typhoon SIM? Especially since both systems are literally identical!

Inter turn Short Circuit in 3 Phase Induction motor model

Mon, 21 Sep 2026 08:42:53 +0000

I am currently modeling a fault diagnostic method for electric machines. Part of it requires me to create an Inter Turn Short Circuit (ITSC) fault, which is incorporated in the three phase squirrel cage induction machine model in Typhoon.

The problem is, there is little information as to what it means when a percentage of fault severity created during simulation runs. Knowing the exact number or ratio of fault created with respect to the total number of coils per phase is crucial for comparison between simulation and experimental scenarios. The help tab shows the electrical sub system model for a machine with an ITSC, but it appears the matrices are centered around the fault resistance and fault current, with alpha-beta current and voltage relationships

I would appreciate it if more context if provided as to how the relationship between the fault severity factor and the turns/coils can be established.

Also I would suggest a standalone fault model based on multiple coupled circuit modeling. That way, each coils/turns can be made as separate circuits and it becomes more useful for fault diagnostics.

Modelling of the photovoltaic (PV) converter controll.

Fri, 18 Sep 2026 10:03:34 +0000

Please help me with modeling the control system of a three-phase two-stage photovoltaic (PV) power converter. The first stage should be a DC/DC converter controlled by an MPPT algorithm. The second stage should be a DC/AC inverter with dq control, aimed at maintaining a constant voltage on the DC link. I would appreciate your response as soon as possible. Thank you in advance.

Problem with simulation

Wed, 16 Sep 2026 11:50:47 +0000

TyphoonSim 2026.3 on macOS stops immediately after Simulation ready! and displays Simulation interrupted, even when using the official RLC example. The model passes validation and the solver is prepared successfully. I did not stop the simulation manually. My TyphoonSim Site License is available. I previously also received a libsp_lib_ar.a not found error. Could this be a macOS installation/runtime issue?

Floating point to binary and binary to floating point

Mon, 24 Aug 2026 07:17:36 +0000

Hi,
I am converting 50123.4 to boolean then boolean to floating point. I am getting 50123. It is removing fractional part.
I am first converting 50123.4 to 32 bits using boolean split then from 32 bits to decimal using boolean join.

suggest if any other login using which i can convert positive/ negative decimal number (+/-50123.4) to boolean and back to +/- decimal number (+/-50123.4).

ISO 15118-2 EVCC/SECC stuck at PowerDeliveryStart — EVSEPresentVoltage/Current stay at 0, never reaches CurrentDemand

Fri, 21 Aug 2026 12:10:04 +0000

Setup:

I'm new to Typhoon HIL and still learning the software. I'm simulating both the EV side and EVSE side on the same model (not on separate HIL targets) — using the ISO 15118-2 EVCC block and the ISO 15118-2 SECC block, connected through a contactor-based charging circuit model, all within one simulation. I'm testing a DC fast charging sequence.

Symptom:

The session progresses successfully up to PowerDeliveryStart, but does not move forward into CurrentDemand. EVSEPresentVoltage and EVSEPresentCurrent stay at 0 throughout, and the state machine just holds at this point rather than throwing any explicit error or fault code.

Question:

Since I'm still new to this environment, I'd appreciate guidance both on the expected signal chain and on whether simulating both EVCC and SECC together in a single model/HIL setup (rather than on separate targets) could itself be a factor here. Is there a known interlock (contactor feedback, target current/voltage validity, or IsEVReady) that must be satisfied before the EVCC block will issue the first CurrentDemandReq? What is the expected signal chain from PowerDeliveryRes to the first CurrentDemandReq inside this library block, so I can figure out where the chain is breaking?

Attached: screenshots of my EVCC, SECC(subsytem1), and root model diagrams.

Root

EVCC (communicating over Ethernet port 2)

SECC(subsytem1) (communicating over Ethernet port 1)

SCADA panel

Need the schematic for HIL DSP 180 Interface Board

Fri, 21 Aug 2026 12:09:59 +0000

Dear Typhoon HIL Team,

I am using the TMDSCNCD28P55X ControlCARD from Texas Instruments (TI) with the DSP180 Interface 1.3 board from Typhoon HIL.

The detailed documentation for the DSP180 Interface is available at:
https://www.typhoon-hil.com/documentation/typhoon-hil-hardware-manual/hil_dsp_180_interface/References/detailed_description.html

However, the pin mapping information provided in the documentation does not appear to fully match the TMDSCNCD28P55X ControlCARD, particularly for the analog output (AO) connections. It is therefore difficult for us to identify the correct connection and MCU/DSP pin mapping through the HSEC 180-pin connector.

Could you please provide the complete pin mapping between the DSP180 Interface 1.3 and the TMDSCNCD28P55X ControlCARD, including:

Analog Output (AO) channels and their corresponding DSP/MCU pins
Digital Input (DI) and Digital Output (DO) channels and their corresponding GPIOs
HSEC 180-pin connector pin numbers
Any relevant signal conditioning or scaling information

A complete pin-to-pin mapping table would be very helpful for us in configuring and using the TMDSCNCD28P55X ControlCARD with the DSP180 Interface.

Thank you for your support.

Regards,
Ajeet

On choosing appropriate settings and execution rate for 100 kHz AO signals

Fri, 14 Aug 2026 07:33:29 +0000

Hi, as a followup to my previous question regarding distorted waveforms in DAB 100 kHz Hardware testing, this is my model and relevant details. Kindly let me know if there's something that could be wrong overall that yield distorted waveforms, and any optimal settings you recommend? Any rule of thumb that for a particular switching frequncy what should be model setting, execution rate etc?

Thanks

Distorted waveforms at AOs of HIL 101 outputs in DAB ultracore example

Thu, 13 Aug 2026 10:39:13 +0000

Hello Typhoon community,

I am testing DAB at 100kHz signals, the waveforms at the analog ports AOs are distorted. At 10 KHz its fine. The scaling done is apt. Testing is done for rated power of 500W and Vin 300V Vout at 100 V and expected output current 5 A. So I don't see any reason scaling should cause distortion. Oscilloscope settings are Coupling DC, Impedance 1Mhz. It's a new oscilloscope.

Kindly help in this regard.

Push Pull Converter inner model behaviour

Tue, 07 Jul 2026 13:37:05 +0000

Hello!

I'm trying to implement a simple push-pull converter for photovoltaic applications. However, I'm not sure I correctly understand the inner behaviour of the Push-Pull block. I'm trying this test:

1. DC input voltage, 10V

2. Resistive load, 10 Ohms

3. Internal modulator, 10kHz, [0, 180] carrier offset, [0 1] reference signal boundaries

4. n1 = 1, n2 = 10 (thus, I assume, 10x transformer gain)

5. duty cycle sent to the "in" pin equal to 0.25

As far as I remember from literature, voltage gain is 2D*(N2/N1). Thus, I should get Mv = 0.25*2*10 = 5 V/V. However, in output, I get twice the expected voltage (100V).

As a diagnostic test, I doubled n1 to 2 (keeping n2=10): Vout dropped to exactly half (50V), suggesting n1 and n2 might not be defined on the same basis (e.g. n1 = full primary winding turns, n2 = single secondary half-winding turns). Or maybe the modulator works in a different way from the one I'm assuming.

Moreover, I'm getting a small efficiency loss that seems to be load dependent (lower resistive load leads to higher losses). I suppose those are conduction losses on some inner elements? In case, what is the default R_on?

Unfortunately on the manual there is very little detail concerning the model inner structure (which would also be important to assess the magnetic/inductive part, which cannot be specified in any way).

Is there any additional documentation? Or perhaps a way to see the submodel? Or some implemented example that could point out any error from my side?

Thank you very much.

Gabriele

I can't find the Analysis widgets for frequency response in SCADA 2026.2 version?

Tue, 07 Jul 2026 07:27:21 +0000

I would like to use this widget but it's not showing up. Here is the documentation of what I am looking for. Analysis Widgets

I have installed v26.2 with valid site key. showing license active but i cannot run examples

Mon, 15 Jun 2026 13:33:27 +0000

Variable Load (Generic) does not draw power even with Pref set in per-unit and contactor closed — output stays near 0

Mon, 15 Jun 2026 07:01:02 +0000

Hi, I'm a bit stuck and hoping someone can point me in the right direction.

I have a simple microgrid running on a HIL 402: a Grid, a PV Power Plant (Generic), a Battery ESS (Generic) and one Variable Load (Generic), all on a common bus. I'm setting the load's Pref from a SCADA slider and measuring its power.

The issue is that the load just won't draw power. When I set Pref to 1.0 p.u. (which I'd expect to be full nominal), the load only shows about 0.01 kW, even though its nominal active power is 10 kW. The per-unit reference seems fine now since it's not saturating anymore, but nothing actually flows into the load. Meanwhile Grid and PV both read around 14 kW, so the sources are clearly working — the power just isn't reaching the load.

I've already sent Pref in per-unit, closed all the contactors in the panel init (including the load's, 'Variable Load (Generic)1.Grid Converter1.Contactor.S1'), and set the load Enable to 1.

So I'm wondering what I'm missing. Is there something else the Variable Load needs to actually start drawing power — some converter enable, a Qref, a connect signal, or a particular order I should follow? And is there a way to confirm the contactor is really closed during the simulation?

Thanks a lot for any help.

TyphoonSIM Login Error / User does not belong to customer site

Sun, 31 May 2026 19:35:07 +0000

Hello, I have a problem using the Typhoon Sim program where I cannot log in to my subscription account. My username and password work just fine on the website, but in the program, the following error is occurring:

**Login Failed! / User does not belong to customer site**

I would be very thankful if you could help me in any way because I cannot start or test my simulations, which I need for my academic projects.

Mon 20 Apr, 13:20

Compatibility between MATLAB/SIMULINK version 2023a with TYPHOON HIL Control Centre 2025.2

Mon, 18 May 2026 07:23:21 +0000

May I know if my MATLAB/SIMULINK 2023a version is compatible with TYPHOON HIL Control Centre 2025.2. I have a hard time migrating my circuit which I have already constructed in 2023a matlab version to matlab 2025b version as some of the components inside have upgraded.

TYPHOON HIL404 HARDWARE IS NOT ON

Fri, 15 May 2026 06:25:02 +0000

The hardware for HIL404 cannot be switched on. The LED exists at the front side of the hardware doesn't light up. Power cable has been connected to the socket and the socket works perfectly fine as I have tested it already with other electrical appliances. The red power button has already been pressed (supposedly after that, the LED light up). When the ethernet cable is connected to the PC, the light also did not light up, indicating the power supply did not reach the HIL404. How to solve this issue and what could be the problem?

How to link matlab simulink to typhoon blockset?

Thu, 14 May 2026 07:15:04 +0000

How can I perform a full schematic migration from MATLAB/Simulink to Typhoon HIL? I am looking for a way to import my entire .slx circuit into the Typhoon Schematic Editor so it runs as a standalone model, rather than using a co-simulation link between the two platforms.

TheThermal Calculation

Wed, 13 May 2026 05:38:38 +0000

How can I import Excel frequency data to control a Signal-Controlled Sinusoidal Voltage Source?

Wed, 06 May 2026 09:40:38 +0000

Hello, I am working on a grid-connected (grid-following) inverter model in Typhoon HIL, which includes a DC link, a three-phase inverter, an LCL filter, and the grid.

I would like to replace the standard grid voltage source with a Signal-Controlled Sinusoidal Voltage Source in order to impose a time-varying grid frequency.

I have real frequency event data (time vs frequency) stored in an Excel file, and my goal is to use this data as input for the frequency port (f) of the source during the simulation.

My questions are:

1. What is the recommended way to import and use time-series data from Excel in Typhoon HIL (e.g., using a Look-Up Table or another method)?

2. What is the best way to feed this data into the three-phase (vector) input of the source while ensuring consistency in the simulation (sampling, execution rate, etc.)?

Any guidance or examples would be greatly appreciated.

Thank you in advance.

I can't find the Microgrid library in the 2026.2 Software Release. Where is it?

Wed, 06 May 2026 09:38:16 +0000

Sine Wave in VHIL but Mountain-shaped in C-HIL (TI C2000)

Mon, 04 May 2026 07:12:53 +0000

I am experiencing a strange discrepancy between my VHIL/HIL-to-HIL tests and my actual C-HIL setup.

My system overview:
- GFL inverter with LCL Filter (DC Link: 800V | Grid: 311 Vpeak).
- The plant (inverter and grid) built in Typhoon HIL simulator (HIL604)
- The controller programmed in TI C2000 MCU (Ti28069m) via PLECS Coder.
- PLECS Coder (MCU side) discretization is set to 1e-4. Typhoon HIL is set to "Auto" discretization.

I have successfully built and tested the complete control structure all the way to the outer loop (using power reference to generate the current reference). In this HIL-to-HIL environment, everything works great. Even when applying very high power references that cause some natural distortion, the grid current strictly maintains its sinusoidal shape.

When transitioning to the physical C-HIL, I rebuilt the system step-by-step.

The open-loop tests are perfectly fine (the TI MCU reads the ADC signals safely, and the PWM signals sent back to Typhoon HIL are correctly received).

However, the moment I close just the inner loop (current control), the system breaks. The grid current loses its sine shape entirely and becomes a mountain-shaped waveform.

Looking at the data, the output from the dq-to-abc transformation block shoots up to ~800V. Since the grid is 311V peak, the controller should ideally only demand around ~380V. This massive 800V request heavily saturates the PI controller and completely overmodulates the inverter. (I actually already tried manually scaling down this massive control output so it would safely fit into the PWM limits without overmodulating, but the resulting current still remained in that distorted, mountain-like shape.)

Are there specific execution/task synchronization settings between PLECS Coder and Typhoon HIL that I might have missed when transitioning from HIL-to-HIL to C-HIL? or any ideas on what this issue could be would be greatly appreciated!

Instability due to coupling challenges.

Tue, 21 Apr 2026 09:55:26 +0000

My microgrid model is not is not working properly because I am having challenges configuring the couplings between elements. The frequency measurement of my PV system is dropping fast and the grid forming diesel generator is severely distorted. Could someone advice me the best way to set the couplings.

Instability with Constant Power Load in 2-bus system

Mon, 20 Apr 2026 12:20:03 +0000

Hello everyone,

I’m comparing load models in a simple 2-bus system using Typhoon HIL. With impedance loads, the system behaves correctly, but when using a constant power load the system becomes unbalanced.

At the load node, the power values are not as expected and oscillate between negative and positive values.

I’ve checked time step, execution rates, and parameters, but the issue persists.

Could this be due to the inherent behavior of constant power loads, or a modeling issue?

Thanks in advance.

The Problem is with the Package manager. It is showing error. i tried all to solve it but it is still there.

Sun, 19 Apr 2026 08:26:08 +0000

I am using latest version of the typhoon Hil control center but the problem is with the package manager it is not working and now opening

Error with Dynamic Table and Three-phase Variable Load

Wed, 15 Apr 2026 06:08:34 +0000

Hello everyone,

I'm trying to use a Dynamic Table component to feed a power profile (P and Q) from a CSV file into a Three-phase Variable Load. My goal is to make the load follow a time-varying active and reactive power pattern.

What I did:

CSV file has three columns: time, P, Q (p.u.).
I placed a Dynamic Table and imported the CSV directly (graphical method).
I connected the scaled P to Pref and scaled Q to Qref of the load.
I connected a constant 1 to the Enable input of the load.
I also tried connecting Balance_en = 0 and ROC = 0 as suggested in some posts.

The problem:
When I try to compile the model, I get a huge list of errors

I want to know if it is another method to make an variable load using data from a csv. PLEASE HELP

PFC boost converter in Typhoon HIL

Tue, 07 Apr 2026 16:39:48 +0000

Hello everyone,
I am currently trying to design a single-phase PFC (Power Factor Correction) boost converter in Typhoon HIL. Although the model runs without any compilation errors, the control system does not seem to be working properly.

Problem description: Although the PWM modulator is supplying an active switching signal to the MOSFET (verified on the scope), the output voltage (V_out) does not rise to the setpoint of 400V. It remains at approx. 325V, which corresponds to the peak value of the mains voltage. Furthermore, the input current (I_in) exhibits the typical peaks of a passive rectifier and does not follow the desired sinusoidal waveform.Model details:Topology: Single-phase bridge rectifier with a downstream boost inductor (L = 2\mH), MOSFET and diode.Load/buffer: C = 470mF R_load = 200Ω.

Control: Cascaded structure. The outer voltage regulator (PI) sets the amplitude; the inner current regulator (PI) compares the target sine wave with the measured inductor current. PWM: Carrier frequency 20kHz, reference signal range [0, 1].

What I have already checked:

The PWM modulator is linked to the MOSFET via the PWM_Modulator1.TOP_1 signal (core signal). The signal limits (saturation) of the PI controllers are set to [0, 1] for the duty cycle. The hardware parameters (L and C) appear to be reasonable.

Nevertheless, it appears as though the boost effect is not occurring physically, or the PI controllers are outputting a duty cycle that is far too low. Does anyone have experience with tuning PFC controllers in Typhoon, or can you spot a classic error in the wiring of the multiplier chain for reference current calculation? Attached are screenshots of my schematic and the scope waveforms.

Many thanks for your help!

How to create own carrier waveform generator block for sawtooth or triangular waveforms

Thu, 26 Mar 2026 07:36:08 +0000

I cannot log in on control center

Sun, 15 Mar 2026 20:52:31 +0000

Hello,

I installed the software and now i need to log in on control center to activate the license. But when i write my log in data, it say the username or password are incorrect. Funny thing because with same data i can log in on browser. Can some help me with that? Thanks

Execution rate causes inestability

Mon, 09 Mar 2026 11:51:16 +0000

Good morning,

I am currently working with an averaged model of a DAB in Typhoon Sim. The model works perfectly for an execution rate equal or inferior than 1e-6 (components execution rate <= 1e-6 works perfectly). The problem is that if I try to lower the execution rate it appears that the simulation of the systems turns unstable, causing either solver error (DAE Solver failed at time 1.3360000000e-02 to find a solution. Please make one of the following changes: (i) adjust solver settings: maximum simulation step, relative and/or absolute tolerance values, (ii) provide better initial conditions, or (iii) choose a different DAE solver.) or not desired results (most signals turn unstable and tend to +- inf).

This particular problem occurs both with closed and open loop, so the control doesn't appear to be the issue.

I need to run the model on a 402 physical HIL, which is unable to run with such small execution rate and I must be able to run the model with a bigger execution rate. I get the same problem with HIL SCADA, if I try to compile the model with an execution rate < 1e-6 the systems turns unstable, otherwise seems to work fine (on vhil scada because as I said the 402 cannot handle this execution rate without CIO an AO warnings with this system).

I've tried to simplify a bit the model but I keep getting the same issue). If anyone has had similar issues or could help me fix the issue any help is appreciated. I'll attach some pictures of the current model that i'm trying tom simulate.

Here's everything but the control, if the resolution is too bad to appreciate the images, let me know and I'll try to provide more information.

Thank you very much in advance.

Salutations,

Detailed description of the HIL DSP 180 Interface is correct?

Fri, 06 Mar 2026 14:31:41 +0000

Table 1. Analog signal routing in web documentation: I have problems because real experiments do not match this table. Example: AO20 is connected to connector pin 39 (A3/B9/C7) and it is not not to ADC-C5. Please, Someone could provide me a table corrected?

Frequency Limitation on Triangular Waveform Generator

Thu, 26 Feb 2026 12:24:29 +0000

Is there any limitation on the Frequency for Triangular Wave generator. Currently I am Using it generate a triangular waveform of 1kHz frequency. However, when I set the frequency to 2 kHz or above, the output becomes clipped instead of triangular.

AutoCAD drawing

Tue, 24 Feb 2026 08:34:04 +0000

is there an AutoCAD drawing for HIL 606 somewhere so that I can download it? Thank you...

Can I physically connect TI Launchpad with Typhoon Hil ?device and use them remotely?

Wed, 18 Feb 2026 07:01:25 +0000

Hello,
I am wondering if I can physically connect TI Launchpad with Typhoon Hil and use remotely. If yes, how? Could you please send relevant documentation

Thanks for your help
Olutayo

Sim won't run example RLC model

Tue, 03 Feb 2026 06:47:53 +0000

Fresh install TyphoonSim on Windows, logged in, license installed. Stop time and Run icon disabled. Read Quickstart docs, searched Forum for answers, to no avail. What am I missing?

HIL 402 license is not valid

Tue, 27 Jan 2026 15:56:34 +0000

Good afternoon,

A few months ago, I requested acces to the typhoon software in order to start a university project. The request was approved and I was provided with a license, that I activated as you can see in the second attached picture.

My university (Universitat Rovira i Virgili) has an available HIL 402 (details as the serial number provided) that, as you can see in the first attached picture, is detected by my pc but when I try to add the device to my setup, it clearly says that the license for selected device is not valid.

I'm not sure wether the problem is my license (given that iI got the free one and with my license I only can select 404 as the device) or the device's license. I'd really appreciate any kind of help on that matter. I would also like to know if the firmware can properly be updated (if it would still be compatible with the new version off typhoon center one) given that the current one is quite old (09-29-2022).

I can perfectly run my simulations in the schematics editor and the scada but I'd like to know if I would be able to run it on the HIL402 in order to get some physical feedback to an extern device.

Thank you very much for your help, it is truly kindly appreciated.

Salutations,

Genis Joan Romano

The regular one icon

Fri, 23 Jan 2026 08:29:20 +0000

How change the icon for .tse and .cus to regular one?

TyphoonSim unable to run simulation

Thu, 22 Jan 2026 08:26:14 +0000

Hello,

I am trying to run a simulation on a circuit I have and I am unable to press the "run simulation" button as it appears to be greyed out.

I am getting this issue, specifically:

Login failed!

[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1002)

Please, check your internet connection.

I made sure to pull in the license file into the license manager, and I made sure to connect to the internet.

I checked other forums about this same issue, and it seems to solve the issue by disabling an expired certificate. I tried that, but the R3 certificate in question was not there, so there was no certificate to be disabled.

Some context: I am trying to run this simulation over a local virtual machine running windows on my mac.

Inquiry on UDP Communication Usage and MAC-Related Changes in Typhoon HIL 2025.4

Thu, 15 Jan 2026 13:47:33 +0000

Hello, I am currently working with the Ethernet UDP Communication module in Typhoon HIL and would like to seek your guidance regarding its correct usage for data transmission and reception, particularly after upgrading to version 2025.4.

In earlier software versions, I successfully implemented UDP-based communication using the UDP Send/Receive modules to exchange data between the HIL device and an external controller. However, after upgrading to version 2025.4, the same communication setup no longer functions as expected. During troubleshooting, I noticed that the UDP Communication module in the newer version introduces additional MAC address–related configuration options (e.g., source device MAC address and MAC override settings), which were not explicitly exposed or configurable in previous versions.

Based on this observation, I would like to kindly ask for clarification on the following points:

What is the recommended procedure for implementing reliable UDP data transmission and reception using the Ethernet UDP Communication modules in the current (2025.4) version?

What specific changes related to MAC address handling were introduced in or before version 2025.4?

Why might UDP communication models built with earlier versions (where MAC configuration was implicit or hidden) fail to operate correctly after upgrading?

Are there any mandatory MAC-related settings or migration steps required to ensure backward compatibility of existing UDP communication models?

Understanding the rationale behind these changes and the correct configuration approach would be very helpful for adapting our existing HIL models to the updated software environment.

Thank you very much for your time and support. I look forward to your guidance.

how can i download this freely please help me

Fri, 26 Dec 2025 06:58:34 +0000

Supervision over ethernet communication protocols

Thu, 18 Dec 2025 13:47:28 +0000

Hello, I'm currently using the Ethernet VE for transmiting lots of information to a online server, this is for a further analysis of the data from my side.
I have to use several "Eth VE Send blocks" for different data.

I want to know if it is possible to have a count of the number of messages the Typhoon send. Also I may change to the new Ethernet UDP/TCP communication and if it is possible this counter also with this other protocol.

Also, since I use several blocks I want to declare the IP in the model initialization script, how can I do it? Because I always got an error no mather what I use in the declaration.

Thank you in advance.

Issues Using Three-Phase Core Coupling in Parallel Inverter Simulation

Tue, 02 Dec 2025 06:57:11 +0000

Hello, I am currently running a parallel operation simulation of two inverters, with a linear resistive load at the output. A three-phase core coupling is added to each inverter (current source on the left side and voltage source on the right side). According to the simulation results, the second inverter’s voltage and current are controlled normally, but the output current of the first inverter cannot be delivered to the load, and its current waveform becomes distorted, although the voltage control is normal. As a result, parallel control cannot be achieved.

If I change the three-phase core coupling configuration to “voltage source on the left side and current source on the right side”, the control performance becomes even worse.

I would like to ask: what is the correct way to use the three-phase core coupling in parallel inverter simulations? Do I need to modify any parameters inside the coupling block? Thank you.

triangular waveform generation

Mon, 10 Nov 2025 12:13:39 +0000

I am working on the level-shift PWM technique, which requires a high-frequency repeating sequence. For that, I am using a triangular wave source. However, when I set the frequency to 10 kHz, the output becomes constant instead of triangular. The waveform appears triangular only at 50 Hz, but for any frequency other than 50 Hz, it is no longer triangular.
What could be the reason for this behavior

License Extension for Free Version

Tue, 04 Nov 2025 17:07:52 +0000

Hi I am using the free version of the Typhoon HIL control centre for pursing the courses given in the HIL Academy the license says that the expiry date is 58 days from today, is there any way to extend the license post that ? if the license gets deactivated I may not be use the software right or will I have limited access atleast to learn with? Kindly help , Thanks.

Voltage Ripple (Drift)

Tue, 28 Oct 2025 08:36:09 +0000

Hello,

Kindly treat this as urgent.

I am experiencing significant voltage ripple (voltage drift) in the reference current signal generated by my inverter using Field-Oriented Control (FOC). I am using the TI LaunchPad and have correctly applied scaling and offset. My code in Code Composer Studio (CCS) has been thoroughly checked, yet the inverter’s current output exhibits highly uneven peaks.

I measured the analogue outputs from both the Typhoon HIL interface and the LaunchPad, and both show similar uneven peaks. The analogue voltage representing the current drifts from the ideal 0–3 V range. Importantly, this drift is not linear; the minimum and maximum values fluctuate across different points within 0–3 V.

To rule out software errors, I passed a simple constant value from the Typhoon HIL schematic model. The input range was ±2250 A (in step of ±450 A), scaled appropriately, and sent to the LaunchPad. I have attached an Excel file with the results of the reference current for lines A and B of my inverter, in 0.3 V steps (0–3 V). The "Summary" sheet provides an overview, and each data point is labelled with the reference voltage and current. For example, 1.8 V is documented as 1.8V_450A. For these measurements, Oscilloscope ch3 is line A connected to AO1 and ch2 is line B connected to AO5.

I also tested different analogue outputs. While some show improved results, others remain suboptimal—for instance, AO1 (ADCINA4) shows particularly poor performance. I contacted TI, but they referred me to Typhoon HIL support as they do not have expertise with Typhoon.

The three-phase current results from the inverter are also included in the "Summary" sheet.

I would greatly appreciate your urgent guidance on resolving this issue.

Regards,
Olutayo

Scope/Capture triggering, but not showing data in Real Time mode

Fri, 17 Oct 2025 06:43:53 +0000

I have a real time simulation using the Dual Active Bridge toolbox.

In the SCADA panel, I am trying to collect data from the simulation using the scope function. When I run the simulation, the scope triggers, but never shows data. When I use capture and force a trigger, a triger is registered as successful but I am given a blue bar and "waiting for data...." message.

This scope and capture does work in virtual HIL mode. Do I need to enable anything for scope/capture to work in real time mode?

Setting Parallel R–L Load in IEEE Node 611 Model Produces Unrealistic Values

Tue, 14 Oct 2025 07:06:33 +0000

Hi everyone,

I’m modelling the IEEE 13-Bus Test Feeder in Typhoon HIL and replacing the series R–L load at Node 611 with a parallel R–L branch to represent the spot load.

I want to set the resistance and inductance based on the desired active (P) and reactive (Q) power at nominal voltage, using the standard relationships:

P = V² / R
Q = V² / X , where X = 2πfL

So for my case:

Line-to-line voltage: V_LL = 4.16 kV
Line-to-neutral voltage: V_ph = 0.9777 × (4160 / √3)
Frequency: f = 60 Hz
Desired P = 170 kW, Q = 80 kVAr

Then:

L = (0.9777 × 4160 / √3)² / (80,000 × 2π × 60)
R = (0.9777 × 4160 / √3)² / 170,000

However, when I run the model and try to dynamically adjust P by varying the resistor in real time (using a variable resistor block in Typhoon and SCADA input), the resulting power readings become extremely large—much higher than expected.

Am I missing something in how the parallel R–L load is modeled or how the dynamic resistance update is interpreted by Typhoon? Could it be a scaling issue with the per-phase voltage, or the fact that power depends on V²/R while the system voltage changes slightly under load?

Any advice on how to correctly parameterize and dynamically adjust P while keeping Q fixed would be appreciated

I have made a standalone model simulating the node611 from ieee13 node feeder and im still getting the same huge numbers. The schematic and scada panel are linked below.

schematic model download

scada panel download