what is the efficiency of thyristor

0 Answers  

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how to select power and control contactor .

1 Answers   Bhel,

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can u please mail me the syllabus for GET exam for damodar valley corporation?

0 Answers  

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In UPFC,What is the need for Dc link ( DC capatior)?

1 Answers  

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What are the necessary components of the feedback control system?

0 Answers  

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what is XF 200/240 V AC for Drawout Breaker.

1 Answers  

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HOW VFD USED IN ENERGY SAVING

8 Answers   ITC Infotech,

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What is the relation of current with torque when motor started in Y-connection???

4 Answers  

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What are the factors influence the choice of an electrc drive?

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how does a tube light starter works?

2 Answers  

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How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

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why current transformer secondary side should be shorted ?

5 Answers   Areva,

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