ABB REB670 Applications Manual page 191
Busbar protection 2.1 ansi, relion 670 series
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Also See for REB670:
- Applications manual (554 pages) ,
- Commissioning manual (196 pages) ,
- Operator's manual (116 pages)
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1MRK 505 337-UUS -
Application manual
IN1>MinEd2Set: Minimum operate residual current level for step 1 in % of IBase, for
61850 Ed.2 settings
IN1>MaxEd2Set: Maximum operate residual current level for step 1 in % of IBase, for
61850 Ed.2 settings
IN2>MinEd2Set:: Minimum operate residual current level for step 2 in % of IBase, for
61850 Ed.2 settings
IN2>MaxEd2Set:: Maximum operate residual current level for step 2 in % of IBase, for
61850 Ed.2 settings
IN3>MinEd2Set:: Minimum operate residual current level for step 3 in % of IBase, for
61850 Ed.2 settings
IN3>MaxEd2Set:: Maximum operate residual current level for step 3 in % of IBase, for
61850 Ed.2 settings
IN4>MinEd2Set:: Minimum operate residual current level for step 4 in % of IBase, for
61850 Ed.2 settings
IN4>MaxEd2Set:: Maximum operate residual current level for step 4 in % of IBase, for
61850 Ed.2 settings
txMin: Minimum operating time for inverse time characteristics. At high currents the
inverse time characteristic might give a very short operation time. By setting this
parameter the operation time of the step can never be shorter than the setting.
Operate time
tx
txMin
IMinx
IEC10000058 V2 EN
Figure 85:
Minimum operate current and operate time for inverse time
characteristics
Current protection
Current
IEC10000058
Section 7
185
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