What is power factor why we should maintain the power factor unless what will happen

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1.What do you mean by inductive and capacitive parts of an electric circuit. 2.What do you mean by decrease of inductane and capacitance of a network? Please dont give me the text book answer.3. What is class X ct and its applications?

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The CHARGED BATTERY GET DISCHARGED WHEN IT IS NOT IN USE FOR LONG TIME.GIVE REASON.

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what is method of dc current measurement

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

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why we can turn on the phase-A scr in 3 phase converter at 30 degrees

1 Answers   JSW,

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what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

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What is boucholz relay and the significance of it in to the trformer?

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A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

0 Answers   BUET, VECL,

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what is the formula or method to calculate RESIDENTIAL,COMMERCIAL & INDUSTRIAL load power?????

3 Answers   RRB,

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