11.5.2 Differential protection
Main menu/Test/Function test modes/Differential protection
Test of the high impedance restricted
ground fault protection.
11.5.3 Impedance protection
Main menu/Test/Function test mode/Impedance protection
Test of switch onto fault logic, distance protection zones one to five, local acceleration
logic, power swing detection and phase selection with load encroachment.
11.5.4 Current protection
Main menu/Test/Function test modes/Current protection
Test of breaker failure protection and phase overcurrent protection, residual
overcurrent protection, instantaneous phase overcurrent protection, pole discrepancy
protection, instantaneous residual overcurrent protection, thermal overload protection
and stub protection.
11.5.5 Voltage protection
Main menu/Test/Function test modes/Voltage protection
Test of two step overvoltage, two step undervoltage and two step residual overvoltage
protection as well as overexcitation protection.
11.5.6 Frequency protection
Main menu/Test/Function test modes/Frequency protection
Test of up to six instances of rate of change of frequency.
11.5.7 Multipurpose protection
Main menu/Test/Function test modes/MultipurposeProtection
Test of up to twelve instances of the general current and voltage function CVGAPC.
11.5.8 Scheme communication
Main menu/Test/Function test modes/Scheme communication
Section 11 1MRK506276-UUS B
Test the IED
72
Operator's manual
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