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Table 1 Comparison of the current magnitude of the hardwired DC signals and IEC61850 GOOSE blocking signal times

From: IEC61850 standard-based harmonic blocking scheme for power transformers

Type of signal

Hardwired signal

GOOSE Message

Current Magnitude

1220A

1220A

Blocking time

5.55–4.45 = 1.1 s

9.17–8.25 = 0.92 s