Controls

This PLECS demo model shows the design of a two-stage LED driver circuit consisting of a boost-PFC for AC/DC conversion followed by a flyback converter for DC/DC conversion.

This PLECS demo model shows a dual active bridge (DAB) converter. The thermal behavior of the Wolfspeed C3M0030090K and C3M0065090D Silicon Carbide MOSFETs is included for this topology using the PLECS Thermal domain.

This PLECS demo model shows a Swiss Rectifier with an output power of 5 kW.

This PLECS demo model examines a current-controlled permanent magnet machine under several drive fault mitigation strategies. The system includes an inverter with field-oriented control (FOC) that supplies the machine operating at a constant speed. Fault conditions such as loss of auxiliary power supply or microprocessor trip can result in loss of power to the inverter. Usually under such faults, the power stage is disabled. However, when operating in flux-weakening mode, a fault mitigation strategy may be required as the rectified back-emf may be larger than the DC-link voltage. In this simulation, failure mitigation strategies by closing all the lower inverter switches or opening the battery pack contactor are investigated.

This PLECS demo model illustrates a microgrid with three active generators (solar, wind, etc.) of different VA ratings (1 MVA, 500 kVA, 200 kVA). A supervisory controller at the Point of Common Coupling ensures that the frequency and voltage are kept at their rated values. Load sharing among the multiple generator units is provided by the local droop control.

This PLECS demo model shows a high-speed salient permanent magnet machine drive based on Direct Flux Vector Control.

The PLECS demo model shows a buck converter with constant on-time control implemented using the PLECS State Machine block.

This PLECS demo model shows a two-phase series capacitor buck converter circuit with constant on-time control.

This PLECS demo model analyzes the performance of Type 2 and Type 3 analog compensators used in power supply units (PSUs). The analyzed PSU is a buck converter with modeled-in inductor and capacitor non-idealities. The role of the capacitor and its effective series resistance (ESR) on the plant zero and poles is discussed. Furthermore, the compensators' performance is analyzed with respect to the phase margin, system bandwidth, and rate of change in gain at the crossover frequency.

This PLECS demo model shows an inverter-fed, 8-pole, non-linear permanent-magnet synchronous machine (PMSM) configured with FEA data. The FEA data was generated for a Toyota Prius motor model in Infolytica's MotorSolve platform.