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Lecture Series – 12

SimPowerSystems

Shameer Koya

SimPowerSystems Introduction

Simulink library blocks dedicated to modeling, simulation and analysis of

electrical circuits,

electrical machines and drives,

static converters and

power energy systems

SimPowerSystems library can be used with standard Simulink block diagrams to construct various connecting elements of a dynamic system, and their effects on the entire power system.

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SimPowerSystems Library Uses

Models and simulate electrical and electronic circuits using standard symbols such as resistor, coil, capacitor or diode, thyristor, transistor etc.

Provides blocks that shape different types of electrical machines (MCC induction machine, synchronous machine), static converters (rectifiers in bridge inverters);

Provides blocks for modeling a full power energy system (transport, distribution);

Allows different methods of analysis of a system (electrical circuit) and calculated power transfer

Displays voltage and current and other parameters in steady state

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SimPowerSystems library

contains nine libraries of electrical and electronic components (powerlib):

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Electrical Sources

Different electrical sources – DC/ AC

5

A

B

C

Three-Phase Source

N

A

B

C

Three-Phase

Programmable

Voltage Source

DC Voltage Source

s -+

Controlled Voltage Source

s -+

Controlled Current Source

AC Voltage Source

AC Current Source

Electrical Elements6

____ T r a n s f o r m e r s ________________________________________________________________________________________________________

____ C i r c u i t B r e a k e r s _________________________________ L i n e s _________________________________________________

____ E l e m e n t s _____________________________________________________________________________________________________________

1

Connection

Port

A+B+C+A-B-C-

a3

b3

c3

Zigzag

Phase-Shifting Transformer

A1+

A1

B1+

B1

C1+

C1

A2+

A2

B2+

B2

C2+

C2

Three-Phase Transformer

12 Terminals

A

B

C

A

B

C

Three-Phase Fault

A

B

C

a

b

c

Three-Phase Breaker

A

B

C

a

b

c

Three-Phase

Transformer

(Two Windings)

A

B

C

a2

b2

c2

a3

b3

c3

Three-Phase

Transformer

(Three Windings)

A B C

Three-Phase

Series RLC Load

A

B

C

A

B

C

Three-Phase

Series RLC Branch

A B C

Three-Phase

Parallel RLC Load

A

B

C

A

B

C

Three-Phase

Parallel RLC Branch

A

B

C

A

B

C

Three-Phase

PI Section Line

A

B

C

A

B

C

Three-Phase

Mutual Inductance

Z1-Z0A B C

Three-Phase

Harmonic Filter

m

A

B

C

Three-Phase

Dynamic Load

Surge Arrester

Series RLC LoadSeries RLC Branch

1

2

3

Saturable Transformer

Pi Section Line

Parallel RLC LoadParallel RLC Branch

Neutral

node 10

Mutual Inductance

1+

1

+2

2

+3

3

+4

4

Multi-Winding

Transformer

1

2

3

Linear Transformer

Ground

Distributed Parameters Line

c

12

Breaker

Elements ……7

____ T r a n s f o r m e r s ________________________________________________________________________________________________________

____ C i r c u i t B r e a k e r s _________________________________ L i n e s _________________________________________________

____ E l e m e n t s _____________________________________________________________________________________________________________

1

Connection

Port

A+B+C+A-B-C-

a3

b3

c3

Zigzag

Phase-Shifting Transformer

A1+

A1

B1+

B1

C1+

C1

A2+

A2

B2+

B2

C2+

C2

Three-Phase Transformer

12 Terminals

A

B

C

A

B

C

Three-Phase Fault

A

B

C

a

b

c

Three-Phase Breaker

A

B

C

a

b

c

Three-Phase

Transformer

(Two Windings)

A

B

C

a2

b2

c2

a3

b3

c3

Three-Phase

Transformer

(Three Windings)

A B C

Three-Phase

Series RLC Load

A

B

C

A

B

C

Three-Phase

Series RLC Branch

A B C

Three-Phase

Parallel RLC Load

A

B

C

A

B

C

Three-Phase

Parallel RLC Branch

A

B

C

A

B

C

Three-Phase

PI Section Line

A

B

C

A

B

C

Three-Phase

Mutual Inductance

Z1-Z0A B C

Three-Phase

Harmonic Filter

m

A

B

C

Three-Phase

Dynamic Load

Surge Arrester

Series RLC LoadSeries RLC Branch

1

2

3

Saturable Transformer

Pi Section Line

Parallel RLC LoadParallel RLC Branch

Neutral

node 10

Mutual Inductance

1+

1

+2

2

+3

3

+4

4

Multi-Winding

Transformer

1

2

3

Linear Transformer

Ground

Distributed Parameters Line

c

12

Breaker

Power Electronics

SimPowerSystems library provides a set of blocks dedicated to the modeling of electronic devices (diodes, thyristors and transistors) and static converters (rectifiers and inverters single phase or three phase bridge) called Power Electronics

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Machines9

____ A s y n c h r o n o u s M a c h i n e s ___________________

____ M a c h i n e M e a s u r e m e n t s ___

____ P r i m e M o v e r s a n d R e g u l a t o r s _____

____ D C M a c h i n e s ___________________________ S y n c h r o n o u s M a c h i n e s ____________________

Pm

Vf_

m

A

B

C

Synchronous Machine

pu Standard

Pm

Vf_

m

A

B

C

Synchronous Machine

pu Fundamental

Pm

Vf_

m

A

B

C

Synchronous Machine

SI Fundamental

wref

Pref

wm

d_theta

dw_5-2

Tr5-2

gate

Pm

Steam Turbine

and Governor

Pm

E

m

A

B

C

SSM

Simplif ied Synchronous

Machine pu Units

Pm

E

m

A

B

C

SSM

Simplif ied Synchronous

Machine SI Units

Tm

mA

B

C

Permanent Magnet

Synchronous Machine

dw Vstab

Multi-Band

Power System Stabilizer

m

is_qd

v s_qd

wm

Machines

Measurement

Demux

wref

Pref

we

Pe0

dw

Pm

gate

Hydraulic Turbine

and Governor

In Vstab

Generic

Power System Stabilizer

v ref

v d

v q

v stab

Vf

Excitation

System

TL m

A+

F+

A-

F-

dc

Discrete

DC Machine

TL m

A+

F+

A-

F-

dc

DC Machine

Tm m

A

B

C

a

b

c

Asynchronous Machine

pu Units

Tm m

A

B

C

a

b

c

Asynchronous Machine

SI Units

Measurements10

____ E x t r a s __________________________

v+-

Voltage Measurement

Vabc

IabcA

B

C

a

b

c

Three-Phase

V-I Measurement

0

Multimeter

Z

Impedance Measurement

i+

-

Current Measurement

Phasor Measurements

Continuous Measurements

Discrete Measurements

____ Single-Phase Measurements _____________________________

____ Three-Phase Measurements _____________________________

____ Power Measurements __________________________________

dq0

sin_cosabc

dq0_to_abc

Transformation

Vdq0

Idq0PQ

dq0-based

Active & Reactive Power

abc

sin_cos

dq0

abc_to_dq0

Transformation

signalTHD

Total Harmonic

Distorsion

signal rms

RMS

In Mean

Mean Value

(linear)

In Mean

Mean Value

signal

magnitude

angle

Fourier

V

IPQ

Active & Reactive

Power

Vabc

IabcPQ

3-phase

Instantaneous

Active & Reactive Power

abc

Mag

Phase

3-Phase

Sequence Analyzer

Discrete Control and Control blocks

dedicated control blocks composed of both static converters and various configurations of filters and discrete controllers:

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__________ Filters__________

_____________ Pulse Generators_____________

__Phase-Locked Loop (PLL) Systems _______

___________________________ Miscellaneous_____________________________

___Signal Generators____

Timer

alpha_deg

AB

BC

CA

Block

pulses

Synchronized

6-Pulse Generator

In

S S/H

Sample & Hold

Signal(s)Pulses

PWM Generator

t

0.01 s

On/Off Delay

T0.015 s

MonostableEdge Detector R

[S]

!Q

Q

Bistable

Vabc (pu)

Freq

wt

Sin_Cos

3-phase PLL

abc

3-phase

Programmable Source

Fo=200Hz

2nd-Order

Filter

1st-Order

Filter

V (pu)

Freq

wt

Sin_Cos

1-phase

PLL

alpha_deg

A

B

C

Block

PY

PD

Synchronized

12-Pulse Generator

Making of RLC Circuits

RLC Video

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RLC AC Response13

Diode rectifier – Half wave

Rectifier Video

14

15

DC Motor model16

powergui

Continuous

Scope

DC Voltage Source

DC Machine

TL m

A+

F+

A-

F-

dc

Thank You

That’s all

Wish you ‘All the best’

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