Any one Give me formula for to increse the power factor, 0.8 to 0.95, How much the KVAr Required
9 10461On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?
3 25424What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.
2 60827How the electric train gets the supply of electricity? What is the return path of the current?
8 15479why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.
1493If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?
2 5023define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.
4 31916why firewall is build up between two transformer (220/11kv,50MVA)?what should be the firewall height?what is the clearance between firewall and transformer?
2 16484Post New Siemens Electrical Engineering Interview Questions
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