i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

0 Answers   Sabre,

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What are the different methods for calculating Short Circuit Curren?

3 Answers  

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Is a induction motor rotate by back emf ? If not , then how it is rotate ?

1 Answers  

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Please define ohm’s law for a.c (alternating current)?

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will we have to design the UPS differently for both i.e. if we want to connect the two batteries in parallel and/or we want to connect the two batteries in series ?

4 Answers  

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what is ALF and ISF in current transformer?

1 Answers  

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why do we lay up the core of a cable?

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What is the basic difference between directional and non directional over current protection?

1 Answers  

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

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