WHAT IS THE DIFERENCE BETWEEN A "POWER SWING" AND A "POWER OSCILLATION".
UNDER WHAT CONDITIONS WOULD YOU EXPERIENCE THE ABOVE IN A POWER SYSTEM.
HI JBARTOS,THE POWER SWING RELAY IS INCORPORATED IN THE DISTANCE RELAY.IN THE DISTANCE RELAY ONE CAN EITHER SET THE POWER SWING RELAY TO "TRIP" OR "BLOCK" DEPENDING ON THE DIRECTION OF THE SWING IN THE SYSTEM.NOW MY QUESTION WAS TO FIND OUT THE CRETERIA USED IN SELECTING THE...
1.What is the effect of a lightning stroke on the system voltage in an EHV network.
2.What do the following terms refer to in a power system:
i. strong source
ii. weak source
We recently experienced a strange phenomenon which puzzled us.We have a 6MW small hydro power station with four machines each rated at 1.5MW,3.3kV.The output of these machines feed a step-up transformer rated at 5MVA 3.3/33kV i.e 3.3kV star and 33kV star connected.The original transformer which...
I would to know the protection philosophy used in setting the power swing relays i.e which end of a transmission line is set to 'block' or 'trip' in an EHV power system network.
