Toshiba GR200 Series Instruction Manual page 152

Centralized busbar protection ied

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6F2S1931 (0.20)

Figure 2.6-3 Inverse-time-reset characteristics curves

Figure 2.6-4 illustrates that an integrating value will be influenced dependent on the

DEP or DEF setting. An energized quantity (I), where I is greater than a threshold setting

[OC1], will make an integrating value, which can determine how the element operates. If the

energized quantity (I) falls below the threshold setting [OC1], the element operation will

return to its reset stage after the time t(I) calculated in Equation (2.6-2).

Centralized GRB200

(Soft: 030, 031, 032, 033, 034)

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