Answer Posted / pillay

Can it is allowed and practiced.

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

2159

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I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1860

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what is the role of energy meter in distribution system ?

1160

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

2188

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During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

2112

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What is the difference between Delta & Wye windings?

2080

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Give the topology of current amplifier with current shunt feedback?

1198

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Why compensation is necessary in feedback control system?

1340

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what is KA rating and how can we choose switchgears on applications

1428

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2557

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dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2339

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how freewheeling diode improves the powerfactor

5397

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there are cam operated switches - why we call cam operated , What is cam ?

1895

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Is there chopping current in resistive circuit

1935

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2005

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