What is double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?

1 Answers   vguard,

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Why transformer making noise during the operation?

2 Answers   TCS,

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Can we use all 3 cores of a cable to connect DC motor + ve terminal and similarly one more cable for - ve terminal.

2 Answers  

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What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

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what is POTT and PUTT explain?

0 Answers  

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what is a pf factor in generator.

3 Answers   CSEB,

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sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 Answers  

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how the CT and PT is connected in the circuit during testing of transformer explain with diagram

0 Answers   KESC,

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

0 Answers  

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we erected (48HP)63kva dist transformer and incoming from 11kv line,out going is 415v domastic line 2.04 km.for that actual output current is 84A. what are the losses and final output current.

3 Answers   Essar,

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explain Density

0 Answers   TCS,

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