Actually, the thing is vacuum has high arc quenching property compare to air because in VCB, the die electric strengths equal to 8 times of air. That y always vacuum used as in HT breaker and air used as in LT.
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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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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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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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PT protection measuring and control device refers to the voltage transformer microcomputer protection measurement and control device,Is ma...
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The auxiliary class protection device refers to some unusual protection devices with auxiliary function,the main products are 961 communic...
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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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MOG ( magnetic oil gauge ) of Transformer The MOG (Magnetic Oil Gauge) is a device by which we can supervise the level of liquid/oil ins...
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