Answer Posted / santhoshkumar

Amf is an automatic switch placed in the generator control
panel for the transfer of load to standby generator when
the main power fails.

CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

2390

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pls tell us AC plant are how do work and parts name with picture

1944

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why is using sensor?what is differece between photoelectric and proxmitty?

1984

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2103

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1859

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What is the effect of positive feedback on stability of the system?

1630

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What is turn ratio of a transformer?

1206

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what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

2132

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1932

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

1203

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What is load boxes ?

2139

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what is the purpose of silicon dropper used in battery charger?

7429

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What is miller crystal oscillator? Explain its operation?

1094

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What is the unit of attenuation?

1055

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Draw a SLD of DG distribution up to main LT panel?

9463

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