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Protection and Control of Modern Power Systems

Table 7 Performance of different sampling rates

From: Fault identification scheme for protection and adaptive reclosing in a hybrid multi-terminal HVDC system

Fault area/sampling rates

Zero passing characteristic (b/a)

Fault isolation results

Fault distance (km)

Permanent fault?

f1-30/5 kHz

Y/Y

T1

− 959.82

N

f1-470/5 kHz

Y/Y

T1

− 966.58

N

f1-30 /15 kHz

Y/Y

T1

− 964.37

N

f1-470/15 kHz

Y/Y

T1

− 969.56

N

f1-30/20 kHz

Y/Y

T1

− 967.05

N

f1-470/20 kHz

Y/Y

T1

− 977.64

N

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