one 60KVA UPS how can full load current tell me us formulas

1 Answers   Wipro,

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what is droop control?

0 Answers   BARC,

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The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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How can maintain our H.T. motors used in cement plant. please send me procedure.

0 Answers  

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what will happen if the secondary of current transformer kept open....

11 Answers  

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How can you limit the fault level in a power system?

1 Answers   Alfanar,

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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How wire size can define in electrical wiring? What is the ratio?

0 Answers   Descon,

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why is the transmission voltage is multiple of 11?

1 Answers   HAL,

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How can calculate rotor temperature of the alternator? and is there any method to calculate that

1 Answers  

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what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

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