xplain in detail d pr. of synchronous motors? why syn. generators r used for the production of electricity?

4 Answers  

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hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 Answers  

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What are your future expectations from this company and how long do you intend to work with this company if employed?

1 Answers  

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

0 Answers  

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why capacitive load is not used in routine life????any reason is there ??????

0 Answers  

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what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 Answers   ABB,

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If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

0 Answers   REM Electromech Pvt Ltd,

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why the current leads voltage in the case of a capasitor

9 Answers   Infosys,

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

0 Answers  

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What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 Answers  

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Draw torque - speed curve and load curve of induction motor? mark operating point ?

0 Answers  

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