Answer Posted / vinoth

Earth Connected to Neutral on Transformer Installation, Beacuse if Suppose fault current apper in circuit that time the current want to ground,If No Earth For Neutal Means it will affect the transformer windings only.

how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

2115

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

2387

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where was current transformer protection units used and why??

2040

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why star point of HT motor not earthed?

2287

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we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

2016

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Swg formulae

2028

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what is the difference between an alternator and a synchronous motor

2029

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2747

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What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

2044

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WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1900

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What Is Sampling?

1212

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what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2035

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What is the name of the winding to which supply is given?

1179

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How to calculate Temp from Resister from PT100 equation,

1759

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Electronic circuit

1040

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