Toshiba GR200 Series Instruction Manual page 1709

Line differential protection ied

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Trip time characteristics (IEC60255-121)

Note: IED was tested on 50Hz system. Relay operation time will be reduced by 15–20%

approximately, when the IED is running on 60Hz system.

ZS for three-phase fault

(see page 1687)

(see page 1689)

6F2S1914 (0.49)

ZG for ground fault

(see page 1688)

(see page 1690)

GRL200 (Soft 033 & 037)

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