What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

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what is the purpose of using semiconductors in HT cables

3 Answers   Sterling,

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What is the Ideal Earth to Neutral Rating for Techonology Equipment like Routers, Switched, PABX, Computers etc etc?

2 Answers  

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Relation between Sq.mm of wire and Its current carrying capacity?

5 Answers  

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What is Transformer?

23 Answers   HSL,

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1 sq mm conductor=? how many amps

3 Answers  

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What is the difference between lubricating oil and insulating Oil?

4 Answers   Orchid,

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Is there any capacitor in 3-phase IM?why,xplain.

2 Answers  

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why does fans rotate in anticlockwise direction?

1 Answers  

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 Answers   Power Grid,

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For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?

1 Answers   GEPL,

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

0 Answers  

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