BDV test means the Breakdown Voltage Test. It is done for checking the dielectric strength of the oil of the Transformer. Dielectric strength means the maximum capacity to withstand the voltage of insulating oil. ... For the purpose of BDV test, oil sample from the Transformer is taken in a Sample Bottle
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How relays are connected in the power system ?
The relays are connected to the power system through the current transformer (CT) or potential transformer (PT).
electrical power system protection is divided ?
Generator protection,
Transformer protection,
Bus bar protection,
Transmission line protection
Feeder protection
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A Static Transfer Switch (STS) utilizes a static electronic component (SCR), which permits a transfer in less than four milliseconds (1/4 o...
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WTI and OTI of Transformer The WTI means winding temperature Indicator and OTI means Oil Temperature Indicator which indicates the win...
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The generator protection device is mainly used for the control and protection of high and low voltage generator sets. the generator microco...
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Over-current / Earth fault relays are the basic protection relays. Used for protection of transformers and feeders from over current and ...
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When the supply is cut off for a running motor, it still continues running due to inertia. In order to stop it quickly, we place a load (re...
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protection function of generator transformer protection relay Differential instantaneous trip protection, Proportional differen...
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Pressure relief devices are used to provide a means of venting excess pressure which could rupture a boiler or pressure vessel. A pressu...
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PT protection measuring and control device refers to the voltage transformer microcomputer protection measurement and control device,Is ma...
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There are two types of exciters, static exciter, and rotary exciter. The purpose of the exciter is to supply the excitation dc voltage to t...
