control diagram of star delta starter

5 Answers  

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Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

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Can i replace Earth leakage relay to the faulty Earth Faulty Relay

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why contactors are used ...? is contactors and relays are same ...?

5 Answers  

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can we step up dc power using transformer?

15 Answers  

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The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

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Piezoelectric materials serve as a source of:- A. Microwaves B. Ultrasonic waves C. Musical waves D. Resonant waves

3 Answers  

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How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

2 Answers   UltraTech,

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What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

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which type of motor we are using in local train???

4 Answers   Asia MotorWorks AMW,

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers  

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