What is MS-EXCELL?

0 Answers   NTPC, Siemens,

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what is the differencce inn series and cascade connection??

0 Answers  

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Definition of grid?

7 Answers   L&T, Pace Power Systems, Vijai Electricals,

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A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers  

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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what is the meaning of transformer short circuit test?

7 Answers   HZL, L&T,

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what is humming noise and wha is the reason to develop humming noise in a mv pannel ?

2 Answers   HPL,

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what is suroounding current of dg set?

1 Answers   Airtel, Sukarma,

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for compensate 315mh inductance ,how many capaciance required?

0 Answers   Mitsubishi,

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What is polar plot?

0 Answers  

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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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Which type starter is used for synchronous motor?

2 Answers   Equate,

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