UPS Sizing Calculations

HINDUSTAN ZINC LTD 1 X 80MW, ZAWAR CPP ZAWAR MINES, RAJASTHAN ABB LIMITED

SIZING CALCULATION FOR UPS

Doc Ref.No. 3VYN591602

Sheet 1 of 3

SIZING CALCULATION FOR UPS

OWNER:

MAIN CONTRACTOR

e-BOP CONTRACTOR:

HINDUSTAN ZINC LIMITED. ZAWAR MINES, RAJASTHAN.

TATA PROJECTS LTD. HYDERABAD.

ABB LIMITED. FARIDABAD.

We reserve all rights in this document and in the information therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © ABB eBoP.

HINDUSTAN ZINC LTD 1 X 80MW, ZAWAR CPP ZAWAR MINES, RAJASTHAN ABB LIMITED

Doc Ref.No. 3VYN591602

SIZING CALCULATION FOR UPS

Sheet 2 of 3

REVISION STATUS SHEET

REV. NO.

R0

DATE

DESCRIPTION

10.07.2007

FOR REFERENCE ONLY

Rev. No.

Date

KK

AB

For Reference

R0

10.07.2007

Prepared by

Reviewed by

Remarks

We reserve all rights in this document and in the information therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © ABB eBoP.

HINDUSTAN ZINC LTD 1 X 80MW, ZAWAR CPP ZAWAR MINES, RAJASTHAN ABB LIMITED

3VYN591602

SIZING CALCULATION FOR UPS

Sheet 3 of 3

LOAD IN REMARKS kVA

FEEDER/LOAD DESCRIPITION

S.No.

Doc Ref.No.

A 1

BTG LOADS SG/TG DCS

12

2

BOP DCS

6.5

3

HMI & MAXNET FOR UNIT # 1

10

4

6.5

5

MAX DNA – BMS PANELS (SOLENOIDS)

4.0

6

LEVEL SWITCH

1.0

7

VMS

0.75

8

EWLI

1.20

9

COAL FLOW DETECTOR

0.60

10

ESP IOS

2.0

11

LIGHT OIL FLOW METER PD TYPE

0.2

12

SPARE FEEDERS

1.5

13

0.55

14

CONTROL PANEL (FOR TRANSDUCERS & RECORDERS) TSI MONITORING SYSTEM

15

VMS SYSTEM WORK STN & PRINTER

1.5

B

BOP LOADS

1

SWAS & GAS ANALYSERS

2.00

C

TOTAL KVA

50.55

LOADING FACTOR OF 25% AS PER CONTRACT UPS RATING (STANDARD RATING)

63.18

Reference has been taken from UPS sizing calculation of HZL, Phase-I, Unit-1. Vide Doc. No: TCE.4221A-EL-CAL-580-01, R1, Dated 08-09-2004

Feeder Description not enlisted in the TPL document. However, load has been retained.

0.25

65 KVA

As per the standard rating.

CONCLUSION Selected UPS Rating Voltage Rating No. of UPS per Unit in line with HZL, phase-1 & 2.

: : :

65 kVA 110V AC 1 No., parallel redundant type

We reserve all rights in this document and in the information therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © ABB eBoP.