Medium Voltage Application Guide
Medium Voltage Application Guide
Medium Voltage Application Guide
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RESOURCES<br />
kW Active power unit<br />
LRC Locked rotor current (A)<br />
LRT Locked rotor torque (Nm)<br />
LSC Loss of service continuity (metal enclosed switchgear classification)<br />
MTP Metering panel<br />
MV <strong>Medium</strong> voltage<br />
NEMA National Electrical Manufacturers Association<br />
OSI Open systems interconnection<br />
P Active power (W)<br />
pf Power factor<br />
PFC Power factor correction<br />
PFP Power factor panel<br />
rms Root mean squared<br />
Q Reactive power (VAr)<br />
SF6 Sulphur hexafluoride<br />
S Apparent power (VA)<br />
S sc<br />
SCO<br />
SST<br />
Short circuit power (VA)<br />
Single command operated<br />
Soft starter<br />
TCP/IP Transmission control protocol – Internet protocol<br />
TRV Transient recovery voltage<br />
T A<br />
t k<br />
t STP<br />
t STR<br />
U<br />
U d<br />
U r<br />
U p<br />
VFD<br />
Ambient temperature<br />
Rated short-time withstand duration (s)<br />
Stopping time (s)<br />
Starting time (s)<br />
Nominal voltage (kV)<br />
Power-frequency withstand voltage (kV_rms for 1 minute)<br />
Rated voltage (kV)<br />
Lightning-impulse withstand voltage (kV_peak for 1.2/50us)<br />
Variable frequency drive<br />
Page 220 <strong>Medium</strong> <strong>Voltage</strong> <strong>Application</strong> <strong>Guide</strong> 710-12280-00A
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