<strong>Paper Title</strong><br>
Switching Study On High Voltage Efficient Motor<br>
<br>

<strong>Abstract</strong><br>
High Voltage  Motors are a vital 
component of the energy conversion process for 
electric utilities. These  are used to drive water 
pumps,  feed pumps in super thermal power 
stations, marine loading terminals,  off-shore gas 
platform and many other high voltage high power 
applications. Most motors experience surges with 
magnitudes 6 to 8 pu and rise times 0.2 to 0.6 µs.  
Grounding of the motor supply cable shield on one 
end (preferably motor end) can minimize the 
severity of switching surges seen at the motor 
terminals. The risetimes and magnitudes of surges 
produced by vacuum and air-magnetic switchgear 
are similar. However, vacuum switchgear produce 
multiple surges in each operation.    Inadequate 
quality control appears to be the real cause for low 
surge strength of poor motors. The  grounding  of 
the shielding ends of XLPE cable play important 
role in addition to protecting devices such as 
capacitor, resistor and ZnO-Varistor. 
Index terms— Switching Surges, Transients, High 
Voltage Motors, ZnO-Varistor, Shielding Ends of 
XLPE cable