REG 316*4 1MRB520049-Uen / Rev. F ABB Switzerland Ltd
3-1
March 01
3. SETTING THE FUNCTIONS
3.1. General .................................................................................... 3-4
3.1.1. Library and settings.................................................................. 3-4
3.1.2. Control and protection function sequence................................ 3-5
3.1.2.1. Repetition rate..........................................................................3-5
3.1.2.2. Computation requirement of protection functions.....................3-6
3.1.2.3. Computing capacity required by the control function ............... 3-9
3.2. Protection function inputs and outputs ...................................3-10
3.2.1. C.t./v.t. inputs .........................................................................3-10
3.2.2. Binary inputs ..........................................................................3-11
3.2.3. Signalling outputs...................................................................3-11
3.2.4. Tripping outputs .....................................................................3-12
3.2.5. Measured values....................................................................3-12
3.3. Frequency range....................................................................3-12
3.4. System parameter settings ....................................................3-13
3.4.1. Configuring the hardware.......................................................3-13
3.4.2. Entering the c.t./v.t. channels.................................................3-18
3.4.3. Entering comments for binary inputs and outputs..................3-19
3.4.4. Masking binary inputs, entering latching parameters and
definition of “double indications”.............................................3-20
3.4.5. Edit system parameters .........................................................3-20
3.4.5.1. Edit system I/O.......................................................................3-21
3.4.5.2. Edit system name ..................................................................3-24
3.4.5.3. Edit system password ............................................................3-24
3.5. Protection functions ...............................................................3-25
3.5.1. Transformer differential protection function...(Diff-Transf) ........ 3-25
3.5.2. Generator differential ....................................(Diff-Gen) ........3-53
3.5.3. Definite time over and undercurrent......... (Current-DT) ........3-59
3.5.4. Peak value overcurrent ........................... (Current-Inst) ........3-65
3.5.5. Voltage-controlled overcurrent.................. (Imax-Umin) ........3-71
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