what is the chiller and working principal

0 Answers   Blue Star,

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

0 Answers   TCS,

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in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

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how to calulate multiplying factor if meter ratio is /5 ampere and ct ratio is 100/5 ampere.(our supply is 3 phase 415 volts)what is multiply factor?

3 Answers   Vivek Engineers,

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difference bewteen reverse current and alternating current

0 Answers   ABB,

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We operate a 10 Mw facility and we have been experiencing several trips due to fluctuations on the MVAR? We have checked all issues related to the AVR and we have found all OK? Can anyone help us? The grid voltage, internal voltage, all regular parameters look ok. MVAR fluctuate and there it goes the unit? What could be happening? Thanks!

5 Answers  

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 Answers  

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what is the difference between upper impedance and lower impedance distance relay?

3 Answers   Havells, Power Grid,

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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What can a fresh(without experience) electrical engineer contribute to NTPC( Or any PSU company) growth?

3 Answers   NTPC,

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how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 Answers  

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What are all the conditions to protect generator & turbine in thermal power plant?

1 Answers   Power Grid,

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