Answer / said hanfy

Buchholz relay ,dail thermommetr,windinig Temprature sensor

Answer / engr. kashif

Bucholz Relay
Breather
Winding Temp Indicator
Oil Temp Indicator
Oil Level Indicator
Differential Relay
Fuses

What are reasond for high wattage in single phase induction motors

0 Answers  

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Whats the difference between three phase and single phase?

4 Answers  

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What information we need to prepare relay coordination chart

0 Answers  

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why not phase to phase fault occure in raining day in hv sub-station?

1 Answers   Getco,

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Safety of dry type transformer

0 Answers   Icon,

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what happen when power factor of 2 parallely operated transformer become equle?

0 Answers   Flextronics,

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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why we testing the core balance of the transformer before comissioning?

0 Answers  

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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What is CBCT ,why and whereit is used?

2 Answers  

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Why a tesa lamp is glow between two phase?

0 Answers  

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What is a circuit breaker contact multiplier relay?

2 Answers  

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