Answer / naresh suthar

In which 3 type testing

- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

0 Answers  

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how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

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What is Surge Capacitor? Why it is use in Generator Circuit Breaker?

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what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

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Mention the disadvantages of low power factor?

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What is transposition in a transmision line?

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How can transformer winding insulation be measured (Delta & Star Connections)?

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if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.

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If 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 Answers   Aditya Birla, Siemens,

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IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

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What is the role of a Production Engg in a Industry?????

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How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

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