describe the phenomena of vacuum interruption in C.B

0 Answers  

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in a transmission line if the load is suddenly increased in the receiving end of the system the phase shift will ?

1 Answers  

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Where is the center of magnetic field in alternator

1 Answers   GMR, Siemens,

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

0 Answers  

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When induction motor is started,we see all other electrial appliances connected on the same supply are dimmed out for some moment why?

4 Answers  

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For high frequency application we use which transformer?

0 Answers  

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i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

0 Answers   JLL,

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circuit breaker is ...............connected with circuit

2 Answers   Rancho,

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why the transformers are rated in kv not kw?

6 Answers   L&T,

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If there is unit power factor in a power house and a capacitor bank used in a factory at resistive load . In this case, will there leading power factor in power house across that factory.

2 Answers  

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whytransformers rating in KVA?

3 Answers   Chettinad,

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