every motors written in name plate IP 55 what is this?

2 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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In my power station 220 volts dc battery set. they coneected 84th cell taped

1 Answers   KPTCL,

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why we provided electrical earthing?

5 Answers   CPCL,

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kVA rating of open delta connected transformer is _____% kVA rating of delta/delta connection A 50 B 70.7 C 57.7 D 75.7

2 Answers  

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How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

0 Answers  

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why substation rating interms of 11 multiples???like 11kv/33kv iis there any special reason???

5 Answers  

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what type of motor are there in megger how they work.

2 Answers  

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

6 Answers   GE,

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In LT cables 3.5 core cable are available that means 3 core and .5 for neutral Why .5 for neutral and is there any reason for that please suggest thanks and regards pavan kumar

1 Answers   Sodexo,

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what is the speed of the darkness?

3 Answers   Wipro,

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IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

3 Answers  

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