Answer / gt

Auto Mains Failure, to shift load from SEB to DG, when SEB
is not availed, and disconnectand stops the DG when SEB
made avail

Answer / sunil meena

AMF Means automatic mains failure.AMF panel has wide range of features with generator start,stop,monitoring and protection.AMF panels are used to automatically changeover from mains electricity to standby genset on failure of mains supply.When mains supply is resorted the system automatically changes back and stops the genset.

Answer / karthik raman.b

it is a like change over from EB power to generator power its connected in LT panel itself

what is the std. earthing resistance for 440V system or m/c, 33000/440 Volt substation? What is the std.?

2 Answers  

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what are the effects of variations in frequency when you are connected to national grid??

1 Answers  

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why star point of motor shall not be grounded?

8 Answers  

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1.What is the maximum transmission voltage in india & where it is located? 2.more information about indian power scenario.

4 Answers  

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How do you reverse the direction of rotation of a FAN?

13 Answers   CPCL, IOCL,

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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

0 Answers   Modi Builders,

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in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

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what is the max. acceptable leakage current in 33kv bus bar

0 Answers   Tanesco,

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how can we choose the size of road crossing pipe for power cables

2 Answers   DLF,

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Why underground cables are used to connect transformers?In addition how are they again connected to lines after step up or step down?

1 Answers  

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In transmission line the line power loss only accured at resistance the inductance and capacitance wont consume power is it correct?

2 Answers  

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