SIMULINK Model Examples

SIMULINK MODELS

Full wave Rectifier

DC Machine Model

Square Wave inverter

1) FULL WAVE RECTIFIER( AC TO DC)

The circuit we want to build will have the following simulation circuit

We will build it in 3 ways :

i. Without Transformer

ii. With Transformer

iii. Using Rectifier Bridge Block

I. WITHOUT TRANSFORMER

Continuous

powergui

v+-

Voltage MeasurementVph

Diode

Diode1Diode2

Diode3

Scope

+

R

v+-

V Scope2

RMS

RMS

RMS

RMS1

22

Display

22

Display1

I. WITHOUT TRANSFORMER

I. WITHOUT TRANSFORMER OUTPUT

Input voltage FWR output

I. WITHOUT TRANSFORMER OUTPUT (WITH CAPACITOR)

Continuous

powergui

v+-

Voltage MeasurementVph

Diode

Diode1Diode2

Diode3

Scope

+

R

v+-

V Scope2

RMS

RMS

RMS

RMS1

22

Display

30.5

Display1

+

C=220uF

I. WITHOUT TRANSFORMER OUTPUT (WITH CAPACITOR)

Input voltage FWR output with filter

II. WITH TRANSFORMER

Same as before but instead of taking AC from direct AC voltage source , we will use AC source input to step down transformer then the o/p of the transformer will be input to the FWR.

II. WITH TRANSFORMER

Continuous

powergui

v+-

Voltage Measurement

1 2

+ +

step down Transformer220/22

Vph

Diode

Diode1Diode2

Diode3

Scope

v+-

Voltage Measurement1

v+-

Voltage Measurement2

Scope2

RMS

RMS1

29.78

Display1

RMS

RMS2

22

Display2

+

R

+

C=220uF

II. WITH TRANSFORMER (OUTPUT ON SCOPE)

Voltage input before and after transformer Voltage after FWR

III. FWR USING RECTIFIER BRIDGE

A

B

+

-

Universal Bridge

AC Voltage Sourcev+

-

Voltage Measurement Scope

Continuous

powergui

III. FWR USING RECTIFIER BRIDGE (OUTPUT)

DC MACHINE MODEL

Continuous

powergui

m

A+

F+

A-

F-

dc

TL

DC Machine

DC Voltage Source

Scope

DC Voltage Source1

Step

2

Constant

g

12

Ideal Switch

60/(2*pi)

to convert ti RPM

<Field current if (A)><Electrical torque Te (n m)>

<Armature current ia (A)>

<Speed wm (rad/s)>

DC MACHINE MODEL

DC MACHINE MODEL OUTPUT

INVERTER – SQUARE WAVE INVERTER

Circuit Diagram

Q1 & Q2 works together

Q3 & Q 4 works together

OUTPUT

INVERTER – SQUARE WAVE INVERTER

Continuous

powergui

v+-

Voltage Measurement1

Scope1

PulseGenerator2

PulseGenerator1

+

LOAD

g CE

IGBT3

g CE

IGBT2

g CE

IGBT1

g CE

IGBT

DC Voltage Source1

INVERTER – SQUARE WAVE INVERTER

INVERTER – SQUARE WAVE INVERTER

THANKS