UPS Sizing Calculation for Offshore Platform

Abstract

Abstract:

Uninterruptible power supply (UPS) is a key device in the electrical system on the offshore oil platform. It supplies the key loads such as the communication equipment, instrument control, electric protection, and control panels or workstation for the key machines when the normal and the emergency power supplies both fail. We deal with the calculating method for sizing of UPS and perform engineering calculation on the UPS sizing of a certain offshore platform. It is proved that the calculating method is simple and convenient, and can be used for the electrical design of other offshore oil platforms.

Key words: offshore platform, power supply system, uninterruptible power supply, key loads, calculation for sizing

CLC Number:

TE54

Zhi-gui GUO, Xiao-hua YAO. UPS Sizing Calculation for Offshore Platform[J]. Ocean Engineering Equipment and Technology, 2015, 2(3): 201-204.

蓄电池组额定电压/V	铅酸电池数量	镍镉电池数量
12	6	9~10
24	12	18~20
48	24	36~40
125	60	92~100
250	120	184~200

用电设备描述	负荷容量/(kV·A)	自持时间/h
电气负荷	7.765	0.5
仪表负荷	14.275	0.5
通信负荷	10.726	1

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UPS Sizing Calculation for Offshore Platform

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