Application Examples

PMSM drive system with the power circuit implemented in PSIM

Use ready-to-use examples: Enlarged View
PMSM motor drive system * (PMSM_psim.sch)

A number of application examples are provided together with the software.

Below are the descriptions of selected examples that are located in the examples sub-folder of the PSIM directory (the file names are not download links).

Please note that some examples (*) exceed the limit of the demo version and can be simulated by the professional version only (in case of limitation, a message will appear when opening the circuit).

AC Analysis
Open-loop transfer function of a 1-quadrant chopper in switchmode	chop-1q acsweep.sch
Closed-loop transfer function of a 1-quadrant buck converter in average model and in switchmode	buck i_loop avg_model acsweep.sch buck i_loop acsweep.sch
Impedance of a LC shunt filter	L-C shunt filter acsweep.sch
Both ac sweep and parameter sweep of a L-C filter	L-C filter ac_parameter_sweep.sch
Voltage-loop transfer function of an UC3842-controlled buck converter in switchmode *	UC3842-buck acsweep.sch

Co-Simulation with Matlab/Simulink
One-quadrant chopper circuit with current feedback, with the power circuit implemented in PSIM and the control implemented in Simulink	chop1q_ifb_psim.sch chop1q_ifb_simulink_R11.mdl
PMSM motor drive system with the power circuit implemented in PSIM and the control implemented in Simulink *	PMSM_psim.sch PMSM_simulink_R11.mdl

Inverters
Digital implementation of space vector PWM for 3-phase voltage source inverter (VSI) *	space vector pwm.sch
Multi-level inverter	multi-level inverter.sch
3-phase VSI with Sinusoidal PWM in switching function implementation and average model implementation	vsi3 spwm.sch spwm switching function.sch spwm average model.sch
3-phase VSI with selective harmonic elimination	vsi3 pwm pattern.sch
On-line gating signal generation of 3-phase PWM current source inverter	csi3.sch
Inverter dead time circuit	deadtime.sch

DC Switchmode Power Supplies
Full-bridge dc/dc power supply	dc fullbridge.sch
Flyback converter	flyback.sch
Push-pull converter	push-pull.sch

PWM IC Models
Model for the Unitrode current mode PWM controller IC UC3842/3843 with a buck converter example *	UC3842-buck.sch
Model for the Unitrode current mode PWM controller IC UC3844/3845 with a flyback power supply example *	UC3844-flyback.sch
Model for the Unitrode PWM controller IC UC3854 with a power factor correction example *	UC3854_pfc.sch
Model for the Unitrode high-speed PWM controller IC UC3823A\|B/3825A\|B with a push-pull converter example *	UC3825B_pushpull.sch
Model for the Unitrode resonant lamp ballast controller IC UC3872 with a lamp ballast circuit example *	UC3872_lamp.sch
Model for the power factor correction IC MC33260 from ON Semiconductor with a boost PFC example	mc33260-fig34.sch

Rectifiers and Cycloconverters
3-phase PWM rectifier	pwm rectifier.sch
6-pulse rectifier and 12-pulse rectifiers	thy-3f.sch thy-12p.sch
2 phase-controlled bridges in parallel with interphase transformer	interphase transformer.sch
Cycloconverter circuit	cyclo converter.sch

PFC; Active Filters; Control Loops; and Other
Boost power factor correction (PFC) circuit	boost pfc.sch
PFC circuit with inner-current-outer-voltage loops implemented in:
(a) op. amp. circuit	pfc_vi_op.sch
(b) s-domain transfer function	pfc_vi_s.sch
(c) z-domain transfer function *	pfc_vi_d.sch
(d) user-defined C code *	pfc_vi_dll.sch
3-phase ac active filter	active filter.sch
Buck converter with average current-mode control and peak current-mode control	average current-mode.sch peak current-mode.sch
Phase-lock loop	pll.sch
Voltage-controlled oscillator (VCO)	vco.sch
Hysteresis (bang-bang) comparator	hysteresis comparator.sch
Schmitt trigger circuit	schmitt-trigger.sch
Free-running square-wave oscillator circuit	square-wave-oscillator.sch
Active filter application for dc power supplies	rec-pwm.sch

Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) Circuits
ZVS flyback converter	zvs-flyback.sch
ZCS flyback converter	zcs-flyback.sch
ZVS resonant switch	zvs-resonant.sch
ZCS resonant switch	zcs-resonant.sch

Linking External C/C++ Code via DLL:
Calculation of rms values using built-in RMS block and external C routine	dll-rms.sch
Boost power factor correction circuit with digital inner/outer loop controllers implemented in a C routine	pfc_vi_dll.sch

Digital Control; Discrete Systems
Boost power factor correction circuit with digital inner/outer loop controllers	pfc_vi_d.sch
Digital implementation of space vector PWM for 3-phase voltage source inverter (VSI) *	space vector pwm.sch
2nd-order analog and digital filters	filter-d.sch
Different ways of implementing a digital integrator	i-d.sch
Digital implementation of rms calculation	rms-d.sch
Multi-rate discrete system	m-rate-d.sch

Motor Drives
Induction motor drive system	d-vsi-im.sch
Start-up of an induction machine	indm.sch
DC generator-motor set	dc-2.sch
Start-up transient of a brushless dc motor	bdcm-op.sch
Speed characteristics of a brushless dc motor under dc bus voltage change	bdcm-fb.sch
Speed control of a brushless dc motor drive system *	bdcm-ifb.sch