Electric Loss Calculation

For information

201 202 203 204 205 206 207 208 209 210 211 212 213

ENCLOSURE ENCLOSURE NAME load constant LIGHTING &POWER panel 2400 MCC 217 SWITCHGEAR O.4 KV 490 SWITCHGEAR 7.2 KV 105 REALAY PANEL 226.1 CONTROL PANEL 226.1 TRANSFORMER[see207] 0 UPS[VFD,INVERTER] 2100 DISTRIBUTION PANEL 217 KNOWN LOSSES[w/unit] 100 CABLE RACE[tray,channel 1 EXCITATION CUBICLE 840 BATTERY

207 TRANSFORMER

W D H load inputs inputs inputs Normal/Max length[m] width[m] height[m] 0.8 0.6 0.4 0.7 0.7 4 0.7 3 0.7 3 0.7 2 2.2 0.7 2 2.2 0.5 0.7 1 1.5 0.7 2 1 1 100 1 0.7 4.4 1 2.3

ENCLOSURE max.load SYMBOL [watts] DS 3000 MCC 310 SW04 700 SW7 150 RL 323 CN 323 TRF UPS 3000 DP 310 KN 100 CABLES 1 EXCIT 1200 BAT POWER constant constant TRF [KVA] KW/KVA KW/KW 100 0.003 0.75 630 0.002 0.75 1000 0.0015 0.75 2000 0.0011 0.75

Lighting and crew losses to be added according to area[m^2] and destination. DESIRED ALLOWED FOR 12 H ADDED ADDED MAX.TEMP. MIN.TEMP. RH% MAX.TEMP. DESTINATION CONTROL ROOM

SYMBOL CR

o LIGHTing/M2 MEN[w] C 30 300

C

C

o

25

o

20

60

35

RELAY ROOM LowVoltageRoom SW7.2KV CABLE ROOM

RR LCC SW CAR

20 20 20 5

0 0 0 0

25 35 35 35

20 10 10 10

60 60 60 60

35 40 40 40

inputs total no[of same]kw 1 0.4032 1 0.868 0 0 1 0.315 0 0 0 0 1 0 0

3.15 0 0 0.1 0

0

0 0 0 0

0 0 0 0 4.8362 Total[kw]

LLOWED FOR 12 H MIN.TEMP. RH%

usually losses per sqr.m MIN.W/M2 MAX W/M2

C

usual

o

10

40

usual 200

600

10 10 10 10

40 40 40 40

150 400 35 50

530 500 110 550