what is pressure relief valve?where it is used????

4 Answers   Mecon,

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what is meant by transformer?

11 Answers  

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how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers   Bosch, NMDC,

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What is SF6 Circuit Breaker?

10 Answers   Sodexo,

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How to determine earth fault level to set relay for a normal distribution system of 11 kV , 100 A load????????

1 Answers   TCS,

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WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers  

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

0 Answers  

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what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

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what are the industrail measures to overcome ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system? plz reply

3 Answers  

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What is the function of auadag in a cro?

0 Answers  

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How is magnetic leakage reduced?

0 Answers  

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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