Huawei UPS5000-E Series - Page 278

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
C Acronyms and Abbreviations
Issue 11 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
268
M
MDU
monitor display unit
N
NC
normally closed
NO
normally open
NTC
negative temperature coefficient
P
PE
protective earthing
PDU
power distribution unit
R
RS485
Recommend Standard 485
S
SNMP
Simple Network Management Protocol
SOC
state of charge
SOH
state of health
STS
static transfer switch
T
THDi
total distortion of the input current waveform
THDv
total harmonic distortion of output voltage
U
UPS
uninterruptible power system
USB
Universal Serial Bus
V
VRLA
valve-regulated lead acid battery