Answer / raja

OUR RAIL SYSTEM IS BASED ON RAILWAY TECHNOLOGY IN UK (
BRITISH )THIS IS WELL KNOWN FACT AS BRITISH ONLY INITIATED
RAILWAYS IN INDIA DURING THEIR RULE .

SNCF PROPOSED 25 KV TRACTION APPROX IN 1870 'S FOR RAILWAY
IN UK AND INDIA WAS ALSO KEEN IN ADOPTION IN THIS TECHNOLGY .
FROM THEN UNTIL NOW IT HAS BECOME A STANDARD VOLTAGE
TRACTION IN ALMOST ALL COUNTRIES IN THIS WORLD .

hai every bodi please let me know the test procedure for lightning arresters.

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for selection of transformer we will considering 5 to 6 times of starting current of higher rating motor connected to secondary side. according to process wise we will start the motors gradually suppose if we will start 15 to 20 motors at a time wat will happen?

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

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difference b/w semiconductor and dielectric

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

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how to check capacitor in general

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Define thermal resistance in the context of power amplifier.

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How to calculate Number of Earthing Pits....???

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IN HT MOTOR HT REFERS TO HIGH TENSION OR HIGH TRANSMISSION?

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What is a formula to decide the size of the cable of the star delta motor ( From Contactor to the motor 2 runs )

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what happens to the speed of a DC series motor when series field winding is removed?

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How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

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