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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