Answer / karthik_elec

we can calculate the performence and efficiency of machines
with out applying the loads.

Answer / raju

By OC test gives Core + Hysteresis loses and SC test gives
Total Copper losses.

Answer / jagan

oc test used to calculate core loss & sc to calculate
copper loss its helps to find efficiency

Answer / waseem ahmed

to find out core and coper loss

Answer / surendra

directly loading is avoided such that our equipment can be
tested most economically

what is cathodic protaction?

0 Answers  

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

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We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

2 Answers   SCPL,

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what is the best transformer oil breakdown voltage?

0 Answers  

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why we use 20 KV, 10KA LA on 22 KV Line

2 Answers  

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sir what is the minimum IR value of 11 KV alternator?

4 Answers   Kirloskar,

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Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

0 Answers   Bindal Papers,

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Define ohm’s law for a.c (alternating current)?

0 Answers  

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does magnetic interlocking take place in an induction motor ?

2 Answers  

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In oil transformer which oil is used & what should be the insulation resistance & heating capacity.

2 Answers  

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please write motor, transformer, Generator setting, fault level calculation of Tr.etc

0 Answers  

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why the secondary current transformer cannot left open

1 Answers  

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