ABB RELION RET670, Руководство оператора

Страница: 82 / 128

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, phase overcurrent protection,residual overcurrent
protection instantaneous phase overcurrent protection,pole discordance
protection,instantaneous residual overcurrent protection, thermal overload
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
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.
11.5.9 Secondary system protection
Main menu/Test/Function test modes/Secondary system supervision
Section 11
1MRK504114-UEN E
Test the IED
76
Operator's manual