why grid failure happens?

1 Answers  

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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X/R ratio in 11kv transmission line is?

1 Answers   RRB,

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WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

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How to test Alternator stability test for REF relay

0 Answers   Amprotec,

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what do you mean by synchronous speed of a three phase induction motor?

5 Answers   FlexPoint,

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On a 10 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 65 AH). What Shall be the current rating of DC MCB ?

6 Answers   RR, TNEB Tamil Nadu Electricity Board,

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what is a pf factor in generator.

3 Answers   CSEB,

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CAN ANYBODY PL TELL ME WAT FACTORS CAN CAUSE UNDERVOLTAGE ON A BUS??? PL LIST ALL THE REASONS WITH SOME EXPLAINATION

3 Answers  

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1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers   L&T,

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How two nos. 130 kw D.C motor get synchronise using D.C drive.

0 Answers  

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What is the normal value of delta in rotor angle stability or transient stability? Why it selected so?

1 Answers  

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