A 230 kv, 3-phase, 50hz, 200 km transmission line has a capacitance to earth of 0.02 f/km per phase. Calculate the inductance and kva rating of the peterson coil used for earthling the above system.
Answers
Answer:
The kVA rating of the Peterson Coil is 144.2 kVA.
Question : A 230 kv, 3-phase, 50hz, 200 km transmission line has a capacitance to earth of 0.02 f/km per phase. Calculate the inductance and kva rating of the peterson coil used for earthling the above system.
Explanation:
From the above question,
They have given :
A 230 kv, 3-phase, 50hz, 200 km transmission line has a capacitance to earth of 0.02 f/km per phase.
Here we need to, calculate the inductance and kva rating of the peterson coil used for earthling the above system.
The inductance of the Peterson Coil is calculated using the following equation:
Inductance (L) = 2π × Frequency (f) × Capacitance (C)
L = 2π × 50 Hz × 0.02 F/km
= 0.6283 Henries
The kVA rating of the Peterson Coil is calculated using the following equation:
kVA = Voltage (V) × Current (I)
kVA = 230 kV × 0.6283 Henries
= 144.2 kVA
The inductance of the Peterson Coil for a 230 kV, 3-phase, 50 Hz, 200 km transmission line is 0.6283 Henries. The kVA rating of the Peterson Coil is 144.2 kVA.
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