How the surge voltage can be arrested in electronic devices

1 Answers  

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If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 Answers  

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how we calculate the dick for a pole?

0 Answers   Power Grid,

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How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

3 Answers  

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When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 Answers  

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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How to control speed of DC motor with AC power?

7 Answers   vguard,

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how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

0 Answers  

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What is the simplest formula to calculate the rotor diameter of a synchronous generator?

0 Answers   PEI,

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A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers  

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What is the function of semicon in 33kv ht cable ?

4 Answers   Denson, Finolex,

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what types battery chargers are there?wanted with details.

3 Answers   SCS,

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