DER (Generic) Control Join

This section describes the DER (Generic) Control Join component from the Microgrid library.

The DER (Generic) Control Join is a component located in the Infrastructure section of the Distributed Energy Resources section of the Microgrid Library. Component icon and properties window are shown in Table 1. The DER (Generic) Control Join is a masked bus join that is compatible with the signal processing control inputs of the DER (Generic) components: Battery ESS (Generic), PV Power Plant (Generic), Wind Power Plant (Generic), Diesel Genset (Generic), and Bidirectional AC-DC Converter (Generic). Its purpose is to enable easy selection of control signals of interest in order to enable model control of the converter. Signals that are not selected to be fed externally are sent in the form of constant, default values.

Component inputs are scalar values, while its output is a fixed size vector. Its size and number of output ports are changed dynamically based on chosen measurements. For a more detailed information on meaning of each control signal, please refer to documentation of a corresponding DER (Generic) component.

Table 1. DER (Generic) Control Join in the Schematic Editor core library
component component dialog window component parameters
  • Property tabs:
    • DER
    • Converter status
    • References and droops
    • DER specific
Figure 1. DER (Generic) Control Join - view under the mask.

Tab: "DER"

In this Properties tab, the DER generic component that the Join is intended to be used with is selected. Depending on the chosen component, control signals related to corresponding component will be visible for selection.

Figure 2. DER tab
Parameter Code name Description
Component component_select Through this combobox the DER component is selected.

Tab: "Converter status"

In this Properties tab, basic controls regarding converter status can be selected.

Figure 3. Converter status tab
Parameter Code name Description
Enable Enable Checkbox that enables Enable signal to be fed externally
Converter mode Converter_mode Checkbox that enables Converter mode signal to be fed externally
Reset alarms Reset_alarms Checkbox that enables Reset alarms signal to be fed externally

Tab: "References and droops"

In this Properties tab, control inputs related to reference values and droop control parameters can be selected.

Figure 4. References and droops tab
Parameter Code name Description
Pref Pref Checkbox that enables Pref signal to be fed externally
Qref Qref Checkbox that enables Qref signal to be fed externally
Frequency droop offset Frequency_droop_offset Checkbox that enables Frequency droop offset signal to be fed externally
Frequency droop coeff Frequency_droop_coeff Checkbox that enables Frequency droop coeff signal to be fed externally
Voltage droop offset Voltage_droop_offset Checkbox that enables Voltage droop offset signal to be fed externally
Voltage droop coeff Voltage_droop_coeff Checkbox that enables Voltage droop coeff signal to be fed externally
Vrms_ref Vrms_ref Checkbox that enables Vrms_ref signal to be fed externally
Fref Fref Checkbox that enables Fref signal to be fed externally
Pref rate of change Pref_rate_of_change Checkbox that enables Pref rate of change signal to be fed externally
Qref rate of change Qref_rate_of_change Checkbox that enables Qref rate of change signal to be fed externally
Vrms_ref rate of change Vrms_ref_rate_of_change Checkbox that enables Vrms_ref rate of change signal to be fed externally
Fref rate of change Fref_rate_of_change Checkbox that enables Fref rate of change signal to be fed externally
Pcurtailment Pcurtailment Checkbox that enables Pcurtailment signal to be fed externally
Pcurtailment rate of change Pcurtailment_rate_of_change Checkbox that enables Pcurtailment rate of change signal to be fed externally
MPPT rate of change MPPT_rate_of_change Checkbox that enables MPPT rate of change signal to be fed externally

Tab: "DER specific"

In this Properties tab, control inputs related to specific properties of a DER can be selected.

Figure 5. DER specific tab
Parameter Code name Description
Max SOC Max_SOC Checkbox that enables maximum SOC signal to be fed externally
Min SOC Min_SOC Checkbox that enables minimum SOC signal to be fed externally
Enable storm control Enable_storm_control Checkbox that enables Enable storm control signal to be fed externally
int1 wind speed max int1_wind_speed_max Checkbox that enables int1 wind speed max signal to be fed externally
int2 wind speed max int2_wind_speed_max Checkbox that enables int2 wind speed max signal to be fed externally
P reduction wind speed (SC) P_reduction_wind_speed__SC_ Checkbox that enables P reduction wind speed (SC) signal to be fed externally
Average wind speed max (SC) Average_wind_speed_max__SC_ Checkbox that enables Average wind speed max (SC) signal to be fed externally
Cut out wind speed (SC) Cut_out_wind_speed__SC_ Checkbox that enables Cut out wind speed (SC) signal to be fed externally
time interval 1 time_interval_1 Checkbox that enables time interval 1 signal to be fed externally
time interval 2 time_interval_2 Checkbox that enables time interval 2 signal to be fed externally
Recovery time Recovery_time Checkbox that enables Recovery time signal to be fed externally
time interval (SC) time_interval__SC_ Checkbox that enables time interval (SC) signal to be fed externally

Example

Overall behavior can be better understood with the use of example models for DER Generic components:

Model names: battery ess gen.tse, pv plant gen.tse, wind power plant gen.tse, bidirectional AC-DC converter gen.tse

SCADA interfaces: battery ess gen.cus, pv plant gen.cus, wind power plant gen.cus, bidirectional AC-DC converter gen.cus

Path: \examples\models\microgrid\energy storage\battery ess (generic), \examples\models\microgrid\pv plant\pv plant (generic), \examples\models\microgrid\wind turbine\wind power plant (generic), \examples\models\microgrid\bidirectional AC-DC converter\bidirectional AC-DC converter (generic)