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A MINI PROJECT REPORT

ON

MATLAB SIMULATION OF DC TO AC CONVERTER IN

SINGLE PHASE AND THREE PHASE

A Project report submitted in partial fulfillment of the requirements for the award of the

degree in

MASTER OF TECHNOLOGY

In

ELECTRIC DRIVE AND CONTROL

by

PRATEEK KUMAR 150146650

Un!"# $%" S&'"#()*)+n +, -

M#. S/n""( K&/#

A**)*$/n$ P#+,"**+#

DEPARTMENT OF ELECTRICAL ENGINEERING

SHRI RAM MURTI SMARAK COLLEGE OF ENGINEERINGAND TECHNOLOGY2 BAREILLY

A,,)3)/$"! $+

DR. APJ ABDUL KALAM TECHNICAL UNIVERSITY

LUCKNO

2015-2016

CERTIFICATE

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This is to certify that that work on the mini project entitled MATLAB SIMULATION OF

DC TO AC CONVERTER IN SINGLE PHASE AND THREE PHASE has been carried

out by :

PRATEEK KUMAR 71501466508

Under our uidance in partial fulfillment of the deree in M/*$"# +, T"9%n+3+:y )n E3"9$#)9

D#)(" /n! C+n$#+3of D#. A P J Ab!&3 K/3/ T"9%n)9/3 Un)("#*)$y 2 L&9;n+

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, take this opportunity to thank all those mananimous persons who rendered their full

support to my work the pleasure the achie(ement the lory the satisfaction the reward the

appreciation and to the construction of this project and sparin their (aluable time for me!

This acknowledement is not just a position of words but also an account of indictment! They

ha(e been a uidin and source of inspiration towards the completion of this project!

, e.press my ratitude to our D"/n2 D#. P#/b%/;/# G&'$/for i(in me the opportunity to

do this project work and for his kind and supportin nature durin the entire project work!

, am ratified to M#. S/n""( ;&/# for constantly uidin me in this project with

theoretical and 'oftware based knowlede without which , would not ha(e been able to

proceed! /urthermore , would also like to mention the in(aluable support of sir in helpin

me with the 'imulink model for my project!

, also like to e.press my sincere ratitude and special thanks to D#. P)&*% G/#: #ead $f

E3"9$#)9/3 /n! E3"9$#+n)9* En:)n""#)n: D"'/#$"n$ for pro(idin the necessary

infrastructure and facilities reuired for oin on the work smoothly!+lso /rom the core of

my heart , would like to thank our HOD sir2 D#. P)&*% G/#:for the appro(al of this report

and support and direction without which this project would not ha(e taken shape!

, e.press my thanks to all staff members and friends for all the help and co-ordination

e.tended in brinin out this project successfully in time !

ast but not the least , am (ery much thankful to my parents who uided me in e(ery step

which , took!

PRATEEK KUMAR 71501466508 7 M.TECH = E3"9$#)9 D#)(" /n! C+n$#+38

ii

C+n$"n$*

P/:"*

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ertificate i

+cknowledements ii

ontents iii

ist of fiures (

ist of Tables (i

+cronyms (ii

+bstract (iii

1.In$#+!&9$)+n 1

1!1oncept and &oti(ation 2

1!2 3ackround and iterature 4e(iew 2

>. In("#$"#

2!1 lassification

2!1!1 'inle *hase #alf 3ride ,n(erter

2!1!1!1 'inle *hase #alf 3ride ,n(erter with 4 oad

2!1!1!1!1 'imulation +nalysis

2!1!1!2'inle *hase #alf 3ride ,n(erter with 4 load 5

2!1!1!2!1 'imulation +nalysis 5

2!1!2 'inle *hase /ull 3ride ,n(erter 6

2!1!2!1 'imulation +nalysis 7

2!2 +pplications 7

. T%#"" P%/*" In("#$"# 8

!1 180 deree mode of operation 9

!1!1 $peration Table 9

!1!2 orkin 10

!1! %ifferent &odes 10

!1! a(eforms 12

!1!5 Used ;&$'/

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!1!6! *ulse Type 16

!1!6!!1 Time 16

!1!6!!2 +mplitude 17

!1!6!! *eriod 17

!1!6!! *ulse idth 17

!1!6!!5 *hase %elay 17

!1!6!!6 'ample Time 18

!1!6!!7 ,nterpret >ector *arameters as 1-% 18

!1!6!5 *ulse a(efroms 18

!1!6!6 4esult of 'imulation 19

!2 120 deree mode of operation 20

!2!1 $peration Table 21

!2!2 a(eform of 120 dere onduction 21

!2! 'imulink %esin &odel 22

!2! 'ettin *ulse delay for &$'/

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/iure 2!1;a= 'inle phase half bride in(erter

/iure 2!1;b= 'inle phase half bride in(erter with 4 load

/iure 2!1;c= ,nput pulse and output wa(eform of sinle phase half

3ride in(erter with 4 load

/iure 2!1;d= 'inle phase half bride in(erter with 4 load 5

/iure 2!1;e= ,nput pulse and output wa(eform of sinle phase half

3ride in(erter with 4 load 6

/iure 2!1;f= 'inle phase full bride in(erter 6

/iure 2!1;= 'inle phase full bride in(erter 7

/iure 2!1;h= ,nput pulse and output wa(eform of sinle phase full

3ride in(erter 7

/iure !1;a= 3asic circuit of three phase full bride in(erter 9

/iure !1;b= &ode 1 operation 11

/iure !1;c= &ode 2 operation 11

/iure !1;d= &ode operation 12

/iure !1;e= Three phase in(erter 180 deree conduction wa(eform 12

/iure !1;f= *hase (oltae 180 deree conduction 1

/iure !1;= &osfet ?-channel and *-channel 1

/iure !1;h= Three phase in(erter with 180 deree conduction 15

/iure !1;i= *ulse "enerator 1 16

/iure !1;j= *ulse "enerator 16

/iure !1;k= *ulse wa(eform of &$'/

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Table !1;b= 17

Table !2;a= 21

Table !2;b= 25

(i

L)*$ +, A9#+ny*

&$'/

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"U, @ "raphical User ,nterface

(ii

ABSTRACT

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hat if we cannot use the stored power in a battery when we donAt ha(e power supplyB 'ince

the enery stored in a battery is in dc form so to use this stored power in battery we need to

con(ert this dc form of enery to ac form! 'o here comes the concept of power in(erters! The

de(ices which can con(ert electrical enery of % form into + form is known as power

in(erters! They come in all siCes and shapes from a hih power ratin to a (ery low power

ratin from low power functions like powerin a car radio to that of backin up a buildin in

case of power outae! ,n(erters can come in many different (arieties differin in power

efficiency price and purpose!

This report is about three phase %-+ in(erter! "enerally an in(erter is used for hih power

application such as induction motor air conditioner and (entilation fans! This project is about

to control the seuence freuency of an induction motor usin the three phase %-+

in(erter controller! Three phases ,n(erter can be formed by three sinle phase in(erters which

are connected in parallel! ,f the output (oltaes of sinle phase in(erter are not perfectly

balanced in manitudes and phases the three phase output (oltaes are unbalanced! #ere

three phase output can obtain from a si. &$'/