what is the use of spst switch in performing experiment on self excited dc motor?

2 Answers  

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what mean by analog ,digital,numerical meters and relays? say the example?

0 Answers   ABB,

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Application of DC motors is generally restricted to a few load speed applications because of _____.

0 Answers  

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how do u get less voltage in star connection

4 Answers   BARC,

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11kv alternator commissioning test?

2 Answers  

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What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?

1 Answers   ABB,

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how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

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How to calculate impedance volt in Transformer?

0 Answers  

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how we select HRC FUSE ?

1 Answers   AXA,

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We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

1 Answers  

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Do you know how to maintain a generator, if so what are those maintenances?

4 Answers  

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Which generation plant has instant start

2 Answers  

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