Answer / sarmadahmed

Because the sign is taken care by the angle and we only need the magnitude so mod is taken.

The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

3 Answers   Blue Star,

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A motor works on 30 killo watts.how much ampers will be required if it works on 440volts?

5 Answers  

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what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 Answers  

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what is meant by Is limiter?what is the use of current limiters in electrical ditribution network?

2 Answers  

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How can calculate thermal overload in relay?

1 Answers   ABB,

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what is induction relay

1 Answers  

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My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

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to calculate voltage drop of cable which current we consider that means full load current or panel size?

2 Answers  

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what is MULTIPLYING FACTOR in substations??

2 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

0 Answers   Bajaj,

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Why Neutral Isolation is required?

0 Answers  

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

0 Answers   K-Electric Limited,

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