can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

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how to calculate Transformer loss?

1 Answers  

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Can we operate a DG Set in paralell with Transformer ?

6 Answers   NDDB, Sobha Developers,

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What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?

0 Answers  

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What is mean by PID controller? And what is its Long form?

9 Answers   Jindal,

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how we identify between current transformer and potential transformer without having it name plate?

5 Answers   L&T, TATA,

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Give the two basic speed control of DC shunt motor.

4 Answers  

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Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?

2 Answers  

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what is difference between ac voltage and ac current

3 Answers   TATA,

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Let's say I have 2 current carrying conductors C1 and C2 carrying currents of 5A and 10A. They are brought close to each other from a distance of infinity to a distance of 10cm away from each other - 1. What would be the values of current flowing in each conductor when (taking into account effects of interference of each conductor on the other) - a. The currents are AC b. The currents are DC c. C1 is AC and C2 is DC Please explain your answer with mathematical equations and formulas. Please specify the final numeric answer. Please make assumptions and clearly specify them.

1 Answers  

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

0 Answers   Bajaj,

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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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