I have 1 KW, 3ph. 440v, 50 hz, cos(phi) .75, efficiency 75%(star delta connection)Motor. How to calculate line current & Phase current (1) Star connection (2) delta Connection

2 Answers  

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If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Answers  

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What is Tan Delta Test

1 Answers   Power Grid,

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Why air circuit breaker off due to power failure?

0 Answers  

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why dc moter are not earthed ????

2 Answers  

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What is the main purpose of relay?

1 Answers  

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explain the function of brush less dc motor?

0 Answers   Bhel,

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

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what is the instataneous value of voltage in a 3-phase balanced star connected circuit?

6 Answers  

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

0 Answers  

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Why we are using air gap magnetic condutors

2 Answers   Ford, IOCL,

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