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Power Systems

PU Equivalent Circuits of 1-Phase Transformer & 3-Phase Balanced Transformer

For the netwo...

Question

For the network shown in figure the zero sequence reactances in p.u. are indicated. The zero sequence driving point reactance of the node 3 is

0.12 p.u.

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0.30 p.u.

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0.10 p.u.

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0.20 p.u.

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Solution

The correct option is C 0.10 p.u.

X $_{e q}$ = 0.2 || 0.2

= 0.1 p.u

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For the network shown in figure the zero sequence reactances in p.u. are indicated. The zero sequence driving point reactance of the node 3 is

The correct option is C 0.10 p.u. Xeq = 0.2 || 0.2 = 0.1 p.u

The correct option is C 0.10 p.u.

X $_{e q}$ = 0.2 || 0.2

= 0.1 p.u