Answer Posted / pinky

question: My 3 phase system was blown. When connecting to
a piece of equipment there was small explosion and neutral
pin melted on the connector that carried 3 phase power to
piece of equipment. What happened??

how to calculate single phase motor efficiency ?

2320

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Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

2116

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DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

5288

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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

1989

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1994

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

2036

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How to work E.L.C.B and how to connect in circuit.

2057

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What is resolution of a measurement?

1255

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

2077

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why we use copper earthing for neutral while for body GI.

6232

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why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

2264

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we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???

2037

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What is the formula to find out two phase active & reactive power

2233

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1958

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Battery is a voltage source? give one example of current source and why?

1659

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