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TARIFF

ELECTRICAL POWER I

5THSEMESTER ELECTRICALENGG.

Presentation

by :

Barin!er Sin"#

Le$t%rer&E'e$tri$a' En .10/15/2012 Barjinder Singh

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TOPICS

Introduction Important term re!ated to economic

o" #eneration

Connected !oad $a%imum demand

&emand "actor

A'erage !oad

(oad "actor

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TOPICS

&i'erit) "actor Tari*

O+jecti'e o" tari*

$ain "actor in'o!'ed in ,%ing a tari*

T)pe o" tari*

Simp!e tari*

F!at rate tari*

B!oc- rate tari*


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TOPICS T.o part tari*

$a%imum demand tari*

Po.er "actor tari*

B!oc- rate tari* .ith minimum ,%ed charge

Specia! "eature in'o!'ed in ,%ing a tari* inIndia

O* pea- !oad hour

Tari* en"orced in India

Summaried PSB Tari*

Some e%amp!e


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ITRO&3CTIO

The e!ectrica! energ) produced at thegenerating tation i de!i'ered to a !argenum+er o" conumer The rate at .hichenerg) i o!d to the conumer 4ca!!ed tari*

i ,%ed +) the upp!)ing compan) 6hi!e,%ing the tari*7 the upp!) companie are toenure that the) hou!d not on!) reco'er thetota! cot o" producing the ener"y +ut a!o

earn ome pro,t 8o.e'er7 the pro,t hou!d+e minimum poi+!e o that e!ectrica! energ)can +e o!d at reaona+!e rate and theconumer inured to ue more e!ectricit)


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IMPORTANT TERMSRELATE* TO ECONOMICS

O+ GENERATIONBe"ore tud)ing a+out tari* an engineer mutha'e the -no.!edge o" the "o!!o.ing importantterm

Conne$te! 'oa! : The um o" the continuourating o" a!! the e9uipment connected to thepo.er )tem i ca!!ed $onne$te! 'oa!

Ma,i)%) *e)an! : The !oad on the po.er

tation i not contant7 it 'arie "rom time totime

The greatet o" a!! the demand 4!oad .hichoccur during a gi'en period i ca!!ed

)a,i)%) !e)an!s10/15/2012 Barjinder Singh

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&$A& FACTOR The ratio o" ma%imum demand on the

)tem to the rated connected !oad tothe )tem i ca!!ed !e)an! -a$tor

$athematica!!) 7

&emand "actor : $a%imum demand

Connected !oad

The actua! ma%imum demand i a!.a)!e than the rated !oad connected tothe )tem 7 there"ore7 demand "actori a!.a) !e than unit)


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A;RA# (OA&The a'erage o" a!! the !oad occurring at the

'ariou intant on the generating tation ica!!ed a(era"e 'oa! Or

The tota! e!ectrica! energ) 4in 68 or 0


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(OA& FACTOR The ratio o" a'erage !oad to the ma%imum

!oad

i ca!!ed 'oa! -a$tor

(oad "actor : A'erage !oad

$a%imum !oad

Since the a'erage !oad i a!.a) !e than

ma%imum !oad 7 there"ore7 !oad "actor ia!.a) !e than one (oad "actor i genera!!)ued "or determining the a'erage !oad orenerg) de!i'ered +) the generating tation in agi'en period10/15/2012 Barjinder Singh

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&I;RSIT? FACTOR;ariou t)pe o" conumer are connected to

the po.er tation and uua!!) their ma%imumdemand do not occur at the ame intant7

there"ore7 the um o" indi'idua! ma%imum

demand o" a!! the conumer i a!.a)more than the actua! ma%imum demandoccurring on the generation tating

The ratio o" um o" indi'idua! ma%imum

demand o" a!! the conumer connected tothe generating tation to the ma%imumdemand on the po.er tation i ca!!ed!i(ersity -a$tor


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&I;RSIT? FACTOR

&i'erit) "actor:Sum o" indi'idua! ma%imumdemand

$a%imum demand on the po.er

tation

&i'erit) "actor i a!.a) more than one It igenera!!) ued "or determining the ma%imumdemand on the generating tation to meet.ith the indi'idua! ma%imum demand o" a!!the conumer connected to the tation andthu to ca!cu!ate the capita! in'etment "orthe erection o" generating tation


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TARIFF

The rate o" e!ectrica! energ) at .hich it io!d to the conumer i ca!!ed tari

The upp!) companie in'et mone) togenerate7 tranmit and ditri+ution o"

e!ectrica! energ)7 a tari* i ,%ed The cot o" generation depend upon the

magnitude o" energ) conumed +) theconumer and hi !oad condition

There"ore7 due conideration i gi'en todi*erent t)pe o" conumer 4egdometic7 commercia! and indutria!.hi!e ,%ing a tari*


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OB@CTI;S OF TARIFFThe main o+jecti'e o" the tari* i to enure

the reco'er) o" the tota! cot o"generation and ditri+ution Tari* hou!dinc!ude the "o!!o.ing item

41 Reco'er) o" cot o" e!ectrica! energ)generated at the generating )tem

42 Reco'er) o" cot on the capita!

in'etment in tranmiion andditri+ution )tem

4> Reco'er) o" cot o" operation7 upp!ie

and maintenance o" e9uipment10/15/2012 Barjinder Singh

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OB@CTI;S OF TARIFF

4= Reco'er) o" cot o" meteringe9uipment7 +i!!ing and mice!!aneouer'ice

45 A margina! return 4Pro,t on thecapita! in'etment


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$AI FACTORS I;O(;& IFII# A TARIFF

The "o!!o.ing are the principa! "actorin'o!'ed in ,%ing a tari*

41The tari* hou!d enure the reco'er) o"

the tota! cot o" generation7tranmiion7 and ditri+ution etc

42 The tari* hou!d +e imp!e7 cheap andcapa+!e o" ea) e%p!anation toconumer

4> The tari* hou!d +e attracti'e o thatconumer are encouraged to ma-e

more e%tended ue o" e!ectrica! energ)10/15/2012 Barjinder Singh

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$AI FACTORS I;O(;& IFII# A TARIFF

4= The tari* hou!d +e uch that it.ou!d earn a reaona+!e pro,t

45 The tari* mut +e "air and the

conumer hou!d +e chargedaccording to .hat the energ) cot


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T/PES O+ TARI++

There are 'ariou t)pe o" conumer 4dometic7 commercia! and indutria!

etc and their energ) re9uirement area!o di*erent According!)7 e'era!t)pe o" tari* ha'e +een deigned o

"ar7 out o" .hich the mot common!)app!ied are decri+ed +e!o.


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T?PSOF TARIFF

SIMPLE TARIFF

FLAT RATE TARRIF

BLOCK RATE TARIFF

TWO-PART TARIFF

MAXIMUM DEMAND TARIFF

POWER FACTOR TARIFF


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SI$P( TARIFF

Si)0'e Tari The tari* in .hich therate per unit o" energ) i ,%ed7 i ca!!ed

si)0'e tari

Thi i a imp!et poi+!e tari* The rateper unit o" energ) conumed +) theconumer i ,%ed irrepecti'e to the

9uantit) o" energ) conumed +) aconumer Thi energ) conumed imeaured +) inta!!ing an energ)meter 10/15/2012 Barjinder Singh

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A&;ATA#S

The "o!!o.ing are the ad'antage

1 It i in imp!et "orm and eai!)undertood +) the conumer

2 Conumer i to pa) a per hi

conumption


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&ISA&;ATA#S

1 Conumer i to pa) the ame rate perunit o" energ) conumed irrepecti'e o"the num+er o" unit conumed +) him8ence7 conumer are not encourage to

conume more energ)2 The cot o" energ) per unit de!i'ered i

high

> The upp!ier do not get an) return "orthe connection gi'en to the conumer i"conumer doe not conume an) energ)in a particu!ar month


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APP(ICATIO OF SI$P(TARIFF

Since it i 'er) imp!e "orm o" tari*7

it i genera!!) app!ied to tu+e.e!! .hich are operated "orirrigation purpoe


F(AT RAT TARIFF

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F(AT RAT TARIFF

The tari* in .hich di*erent t)pe o"

conumer are charged at di*erent perunit rate i ca!!ed 1at rate tari

Thi t)pe o" tari* i imi!ar to imp!e

tari* On!) di*erence i that conumerare grouped into di*erent c!ae andeach c!a o" conumer i charged at a

di*erent per unit rate For e%amp!e atrate "or "an and !ight !oad i !ight!)higher than that "or po.er !oad


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A&;ATA#S

41 It i more "air to di*erent t)pe o"conumer

4 2 It i 9uite imp!e in ca!cu!ation


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&ISA&;ATA#S41 Conumer are not encouraged to conume

more energ) +ecaue ame rate per unit o"energ) conumed i charged irrepecti'e o"the 9uantit) o" energ) conumed

42 Separate meter are re9uired to meauredenerg) conumed "or !ight !oad and po.er!oad

4> The upp!ier doe not get an) return "or the

connection gi'en to the conumer i" he doenot conume an) energ) in a particu!ar periodor month


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APP(ICATIO OF F(AT RATTARIFF

Since it i imp!e and ea) "ore%p!anation to conumer7there"ore thi tari* i genera!!)app!ied to dometic conumer


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B(OC< RAT TARIFF

The tari* in .hich ,rt +!oc- o"

energ) i charged at a gi'en rate and

the ucceeding +!oc- o" energ) are

charged at progrei'e!) reduced

rate i ca!!ed +!oc- rate tari*


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B(OC< RAT TARIFFIn thi t)pe o" tari*7 the energ) unit are

di'ided into num+er o" +!oc- and the rateper unit o" energ) i ,%ed "or each +!oc-The rate per unit o" energ) "or the ,rt

+!oc- i the highet and reduceprogrei'e!) .ith the ucceeding +!oc-For e%amp!e7 the ,rt 100 unit ma) +echarged at the rate o" R >00 per unitD the

ne%t 100 unit ma) +e charged at the rateo" R250 per unit and the remainingadditiona! unit ma) charged at the rate o"R 200 per unit


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A&;ATA#S

41B) gi'ing an incenti'e7 theconumer are encouraged toconume more energ) Thi

increae the !oad "actor o" thepo.er )tem and hence reduceper unit cot o" generation

42 On!) one energ) meter i re9uiredto meaure the energ)


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&ISA&;ATA#S

41The upp!ier doe not get an) return"or the connection gi'en to theconumer i" conumer doe not

conume an) energ) in a particu!arperiod


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APP(ICATIO OF B(OC00 per

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TARIFF &S/ RS AS PR010=2011

T/PE TARI++

RATE

PER

MONTHPER4NIT

MINIM4

MCHARGE

ELECTRI

CIT/ TA

OCTROI

& S FIRST 1003ITS

>=J PAISA =1 R/ -. 1> N o"e%penditu

re

10 paia /unit

T 2003ITS

=JJ PAISA =1 R/ -. 1> N o"e%penditure

10 paia /unit

R$AII# 3ITS

515 PAISA =1 R/ -. 1> N o"e%penditure

10 paia /unit

RS A(( 3ITS 55K PAISA 1=J R/

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SR;IC C8AR#S PR $OT8

CATEGOR/ *SNRS

*SNRS

1 &S RS S3PP(? O!d rate e. rate

SI#( P8AS 150150

500500

T8R P8AS 3PTO 20 00J00

10002500

I&3STRIA( / B3(< S3PP(?

3PTO 20

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RAT OF $TR RTA(S

PARTIC4LAR RATE

1 SI#( P8AS (T $TR 1100

T8R P8AS (T $TR 2500

T8R P8AS $TR 6IT8 50/5 A$P CT 5L00

T8R P8AS $TR 6IT8 100/5 A$PCT =200

PO(? P8AS $OTOR 1K PAISA PR

R3P COST OF$TR/

$TRI#3IP$T


RAT OF (CTRICIT? &3T?

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RAT OF (CTRICIT? &3T?PR 3IT

S.N

CATEGOR/ RATE PAISA PER4NIT

1 &O$STIC S3PP(? M

2 O RSI&TIA( S3PP(? 11

> I&3STRIA( B3(< S3PP(? P3B(IC(I#8TI#

11

= A#RIC3(T3RA( S3PP(? I(

54A

$ARRIA# OR OT8R F3CTIOI((3$IATIO

100

54B FOR OT8R T8A I((3$IATIO OR$A( RAT

K #O;R$T OFFICS $PT& FRO$&3T?


A dometic conumer .ho ha a anctioned !oad o" MK

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A dometic conumer .ho ha a anctioned !oad o" MKKM0

Tota! amount : R 150 G 520 G >1M G 10 G 25 G >KM0

: R 10K0M0 $onth!) !ectricit) Bi!!10/15/2012 Barjinder Singh

A @e.e!!er) hop ha a anctioned !oad o" 11 5

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A @e.e!!er) hop ha a anctioned !oad o" 115 50/100 J50 :R2ML5

Ser'ice charge : R 25$eter Rent : R 25

&ut) on e!ectricit) conumed : R 11/100

J50 : RM>50!ectricit) +i!! i : R 2ML5 G 25 G 25 G M>50

: R >11J50


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T8A

tariff 1997-2003

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