Three Phase Six Pulse Cycloconverter

A block diagram and input parameters for a single three-phase to single-phase cycloconverter are given in Table 1.

Table 1. A three-phase to single-phase cycloconverter component in the Schematic Editor core library

component	component dialog window	component parameters
Three-phase to single-phase cycloconverter		Control source (Digital inputs/ Model) Digital input pins for: Phase A S1 (1..32) Phase A S3 (1..32) Phase B S1 (1..32) Phase B S3 (1..32) Phase C S1 (1..32) Phase C S3 (1..32) Phase A S4 (1..32) Phase A S2 (1..32) Phase B S4 (1..32) Phase B S2 (1..32) Phase C S4 (1..32) Phase C S2 (1..32) gate_logic (active high, active low) _control_property (all high, all low) Gate control enabling (enables usage of external digital signal to enable the switching) Sen (digital input selection for PWM enable) Sen_logic (all high, all low) Weight = 3

A schematic block diagram of a three-phase to single-phase cycloconverter block is given in Figure 1 with corresponding thyristor arrangement and naming.

Digital inputs, when selected as icontrol input option, enables the user to assign gate drive inputs to any of the digital input pins (from 1 to 32/64). For example, if Phase A S1 is assigned to 1, the digital input pin 1 will be routed to the Phase A S1 switch gate drive. In addition, the gate_logic parameter selects either active high (High-level input voltage VIH turns on the switch), or active low (Low-level input voltage VIL turns on the switch) gate drive logic, depending on the user’s external controller design.