Transformer Sizing Calculation

CAPACITOR BANK SIZING ACROSS MAIN PMPS !OR CLEAR "ATER PMPING STATIONS sr.no. 1 2 3 ! 5  , 8 9 10 11 12 13

Item Description Motor rating(KW) Motor rating after 90% load factor(KW) Supply voltage() Motor po"erfactor (#$ 1) Motor e&ciency('$) #o"er factor to *e i+proved(#$2) -o load #$(#$nl) Motor full load current in a+p.(/) -o load current in a+p.(nlc) Motor +agneti.ing current. in a+p. apacitor current(c) current(c) Ma$ K4 tat can *e connected acro.. +otor ter+inal  6otal  6otal K4 K4 tat can *e connected acro.. acro.. +otor ter+inal 'ce.. K4 K4 to *e connected acro.. te

Rating 280 25 2 33 0 0 0$85 0$9! 0$98 0$1 5!$82815 19$18985 19$093 1,$18!3 98$22!23 105$00!8

 MOTOR TERMINAL

!orm#$as  6o *e con.idered for furter calculation. a.ed on actual value. a.ed on actual value. ..u+ption (KW1000);(1$,321#$ 1'$) 35% of / (nlc.in(:S(#$nl))) Sall *e 90% of +otor +agneti.ing current (1$,321c);1000 KW< tan(:S(#$ 1))7 tan(:S(#$ 2))=indicate -egative value. capacitor *an> i. not re?uired

%&&'(L)' )*&++,- PCC)'* Mainstation  /%&MSER'0

1 !orm#$a #se12 1$1 6or,ing $oa1 in K-AE ing load(KW)/$=; ing load(KW);6otal Wor>ing /oad(K) 1$3 "or,ing $oa1 in K"

1C1,5$51

0$85

1C000$09

3 on.idering 20% contingency(K)@ ! Sy.te+ #$@

1!10$13951 0$85

5 Ca$c#$ation to c3ec, t3e starting o4 t3e $argest si5e motor2 5$1 4ating of te tran.for+er a..u+ed(K)@

5$2 % +pedance of tran.for+er a..u+ed@ 5$3 4ating of te large.t .iDe +otor(KW)@

2000$00

$25 112$25

%&&'(L)' )*&++,- PCC)'* Mainstation  /%&MSER'0

D.!8Di9ersit7 !actor L.!8Loa1 !actor

P.!8 Motor P!

E:.8Motor e;cienc7 !ORMLAS <1$2Wor>ing load(K)=

-eare.t .tandard .iDe(onGg$ $;0$!33 KC Byn 11Cdelta7 .tar) ro+ S 202 ro+ 'nergy *alance ta*le

K 4ating.7K rating. for 3 pa.e tran.for+er. are given in *elo" ta*le@

Ta<$e '=K-A ratings 4or + p3ase trans4ormer

K-A 5 $3 8 10 12$5 1 20 25 31$5 !0 50 3 80 100 125 10 200 250 315

S@202(#a

K 4ating.7K rating. for 3 pa.e tran.for+er. are given in *elo" ta*le@

rt 1)719,,

 T>PICAL -ALES O! IMPEDANCE -OLTAGE !OR TRANS!ORMERS "IT? T"O SEPARATE "INDINGS

Rate1 po6er@' K-A Ip to 30 3 to 1250 1251 to 3150 3151 to 300 301 to 12500 12501 to 25000 25001 to 200000

 T>PICAL -ALES O! IMPEDANCE -OLTAGE !OR TRANS!ORMERS "IT? T"O SEPARATE "INDINGS

Impe1ance 9o$tage@0@ !$5 5 $25 ,$15 8$35 10 12$5

4ev$

Bevice dentiGcation -o$

o+ponent

unction

n.tallation #o"er(KW)

Sy.te+ Sim. FACT

=Sheet1!A19441_L01 0,433k PCC01, Mainstation  "94MS#$1% =214F1

-TAF01

1

Comb. air fan 1, Pow. supply to VVVF-Conv.

200.000

441!"01

1.0

=214F2

-TAF01

1

Comb. air fan 2, Pow. supply to VVVF-Conv.#stan$by%

200.000

441!"01

0.0

2

'-(CC01 )int*rin+ pro*ss

40.100

441!"01 441!"01

=&1!"01 =&1!"0& 01

2

C-(CC0& )int*rin+ pro*ss

&.00

=&1!"01

-/C001

1

'-(CP01 )int*rin+ pro*ss

112.20

441!"01

=441!"01

-TA001

T

Control Volta+* Transform*r 1

2.10

441!"01

1.0

=441!"01

-TA002

2.10

441!"01

1.0

SUM

T

Control Volta+* Transform*r 2

1

Spare Feeder 1

1

Spare Feeder 2 

9

PCC01, Mainstation

441!"01 441!"01

1,301.15

:perational Be+and

Mai+u+ Be+and A+ti-e oe/  k2

Aa/ent oe/  kA2

Loa) FACT

#**i+. #TA

Cos hi

0.1

0.0

0.

204.4

2&.

0.&

2.4

0. 0.&

Sim. FACT

Loa) FACT

1.0

0.1

A+ti-e oe/  k2

Aa/ent oe/  kA2

204.4

2&.

&&0.4

&&0.

&.4

21.&1

&2.

&4.4

40&.2

.

11.&

110.2

1&&.44

0.4

0.0

0.0

1.02

1.1&

1.0

0.0

2.04

2.2

0.4

0.0

0.0

1.02

1.1&

1.0

0.0

2.04

2.2

&'1.%%

1,014.10

0$93

0.&5

1,000.09

1,1(5.51