Answer / vinamra

faradays law of electromagnetic induction and lenzes
law,both law apply for defined the IM priciple.

Answer / guest

inter actionb/w two flux

Answer / ravi

Rotating megnatic field.

IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

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why protection meter is always connect to star

1 Answers  

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What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

0 Answers  

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ell me capacitor bank chossen formula.load in KW

1 Answers  

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HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

0 Answers  

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How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

0 Answers   Raychem RPG,

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what is thermal resistance of PVC Cable.

0 Answers  

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what is short circuit force ? How to calculate it for Panel?

1 Answers   Bilt,

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Why are transmission lines multiples of 11? Is it because of some historic reason ? Or is there a scientific base to it?

5 Answers  

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