11.5.3 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
discordance protection, instantaneous residual overcurrent protection, thermal
overload protection and stub protection.
11.5.4 Voltage protection
Main menu/Test/Function test modes/Voltage protection
Test of two step overvoltage, two step undervoltage and two step residual
overvoltage protection.
11.5.5 Frequency protection
Main menu/Test/Function test modes/Frequency protection
Test of up to six instances of rate of change of frequency.
11.5.6 Multipurpose protection
Main menu/Test/Function test modes/MultipurposeProtection
Test of up to twelve instances of the general current and voltage function CVGAPC.
11.5.7 Scheme communication
Main menu/Test/Function test modes/Scheme communication
Test of scheme communication logic, for residual overcurrent protection and
distance protection, as well as current reversal and weak end infeed logic, for
distance protection and residual overcurrent protection.
11.5.8 Secondary system protection
Main menu/Test/Function test modes/Secondary system supervision
Test of current circuit supervision and fuse failure supervision.
11.5.9 Control
Main menu/Test/Function test modes/Control
Test of synchrocheck and energizing check function as well as auto-reclosing
function.
Section 11 1MRK 511 188-UEN C
Test the IED
70
Operator's manual