Why motor initial starting current is high?

9 Answers   Pennar,

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Explain advantages of storage batteries

0 Answers  

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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why we avoid parallel operation of diesl generator?

4 Answers  

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In simply words(not explain any formula )what do you mean by power factor.?

5 Answers   DRDO,

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what is the relationship between phase & neutral

0 Answers  

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How RTCC panel is working and give single line diagram for RTCC with transformer?

0 Answers   AB Associates,

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List out the types and name of the motor under their application?

0 Answers  

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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

0 Answers   apspdcl,

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if u give d.c. supply to transformer primary then what happen.&why??????????????

4 Answers   DCS, DRDO, HCL,

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how to calculate the no. of earth pits required for an electrical installation?

1 Answers   Mepax,

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Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you

2 Answers  

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