Answer / santosh

First stop the system folw.Make the reverse direction in
VFD & decrease the speed slowly.Now make it forword and run.

Answer / rahul

If fan get trip ultimatetly drive will trip . first reset
drive if problem is continue then check motor terminal
&then check drive terminal like forward run , reverse run

what is IP65 & What is its advantages

1 Answers  

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Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

0 Answers   Altra Power,

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what is phase to phase to phase to ground fault

1 Answers  

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

1 Answers  

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Why NGR is required for 11Kv geneartor in power plant

2 Answers   AB Inc, ABB,

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checklist of ELCB

1 Answers   EECE,

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How many gap between finger contact in a.c.b. and v.cb.?

0 Answers  

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the max. power will be transferred if …… a) sending end vol. is high b) receiving end v is high c)…….. d) corona loss is least

2 Answers   Engineers India Limited,

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What is the working principle of VFD

3 Answers   HCL,

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If a line which is drawing approximatly 2100amps what should be earthing streep size(using galwanize streep)?

2 Answers  

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Sir, why generating power plant operating at above 0.9 lag? detail explaination?

1 Answers   Kirloskar, L&T,

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