1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

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Why AC current leads voltage in capacitor and how?

0 Answers   BMB,

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What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

0 Answers   ABB,

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During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?

4 Answers  

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now-a-days which devices are using for converter

7 Answers  

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There is any especial requirement for motor to drive through with VFD?

0 Answers  

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I Want randstand placement papers

0 Answers   Randstad,

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How to back charge the Gas turbine generator

0 Answers  

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what is the impedence

1 Answers   Al-Othman,

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is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

0 Answers  

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can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

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why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

0 Answers  

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