What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

0 Answers  

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what is the working principle of a DG Set, Alternator, & exiter

0 Answers  

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to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

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which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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what are the application of over current relay?

2 Answers  

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how to calculate the load on transformer..????

2 Answers   Bhel,

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how to calculate singlephase motor efficiency?

0 Answers   Alstom,

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why neutral can not used in three phase motor connection?

1 Answers   HSL,

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A 200 KVA UPS's load current is 70 A. We want to provide a Generator back up. What capacity of DG required for this ?

1 Answers   Reliance,

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suppose we using 3 phase motor of 440 v means what range of C.T. is require for measuring current ?

9 Answers  

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The unit of current is the:(a) Volt(b) Coulomb(c) Joule(d) Ampere

2 Answers  

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how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 Answers  

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