Toshiba GR200 Series Instruction Manual page 420

Line differential protection ied
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Computation of impedance when imbalance being found
(v)
The compensation factors are provided when impedance imbalances are apparent. Equations
(2.32-29) to (2.32-34) are provided to calculate these factors, but these factors should be set to
100% when the impedance imbalances can be ignored.
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6F2S1914 (0.49)
(2.32-27)
(2.32-28)
(2.32-29)
(2.32-30)
(2.32-31)
(2.32-32)
(2.32-33)
(2.32-34)
GRL200 (Soft 033 & 037)

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