What is 100% protection of generator? Why 95% protection is used not 100%?

9 Answers   NTPC,

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Which one is easy to control AC or DC Machine?

2 Answers   BARC,

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In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

0 Answers  

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in dc machine airgap is there b\w stator and armature but by conduction emf is generated how & what is conduction

1 Answers  

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What is the role of ESP(Electro Static Precipitator)in steam power plants? Where it is located? How it works?

1 Answers  

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Why auxiliary transformers are not connected in parallel in primary stations?

0 Answers   Adweb,

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How to calculate the cable size (XLPE)for suitable to 120KW load (if Motor or heaters etc)

4 Answers   SSC,

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If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

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what is the difference between droop mode and ischnorous mode in thermal powerplant?

0 Answers   GVK, Thermax,

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we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 Answers  

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what is broken conductor indication

3 Answers   KPTCL,

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An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

4 Answers  

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