Define: primary and secondary distribution system 

1 Answer

Answer :

i) Primary Distribution:

 It is a 3-phase, 3-wire transmission line connected in between receiving substation to Distribution substation. OR It is link between receiving substation & distribution transformer

ii) Secondary Distribution:

 It is a 3-phase, 4-wire Distribution line in between Distribution substation to consumer line. OR It is link between distribution transformer substation & consumer. 

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Last Answer : In a transformer the resistance between its primary and secondary should be infinity.

Description : Grid distribution system

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Last Answer : The primary reason for low power factor is supply system is due to installation of induction motors.

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Last Answer : The permissible voltage variation in transmission and distribution system is: ±10%

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Description : A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary?  (A) 30 Volts (B) 480 Volts (C) 120 Volts (D) 60 Volts

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Last Answer : Primary winding of a transformer could either be a low voltage or high voltage winding.

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Description : Write difference between absolute & secondary instrument.

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Description : Increasing the number of turns of wire on the secondary of a transformer will  (A) Decrease the secondary current (B) Increase the primary current (C) Have no effect on the secondary current (D) Increase the secondary current

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Description : The secondary of a current transformer is always short-circuited under operating conditions because it?

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