Overview
The “Generator differential protection” function detects short circuits in generators, and also ground faults in generators with a grounded neutral point (typical for low voltage).
For more detailed information on “Generator differential protection” function, refer to SIPROTEC 5 devices, V8.30 & higher manuals.
To see other supported functions, click here.
Structure/Embedding of the Function
Setting Parameters
Setting parameters for Generator differential protection
Addr. | Parameter | C | Setting Options | Default Setting |
General | ||||
_:2311:100 | General:Meas. gnd. current side 1 | no yes |
no | |
_:2311:101 | General:Meas. gnd. current side 2 | no yes |
no | |
_:2311:102 | General:Meas. gnd. current side 3 | no yes |
no | |
_:2311:103 | General:Meas. gnd. current side 4 | no yes |
no | |
_:2311:104 | General:Meas. gnd. current side 5 | no yes |
no | |
_:2311:181 | General:Meas. gnd. curr. autosides | no with CT 1ph with CT 3ph |
no | |
_:2311:182 | General:Meas. gnd. curr. comp.side | no yes |
no | |
_:2311:105 | General:CT mismatch side 1 M3ph 1 | 0.000 to 100.000 | 0.000 | |
_:2311:106 | General:CT mismatch side 1 M3ph 2 | 0.000 to 100.000 | 0.000 | |
_:2311:107 | General:CT mismatch side 1 M3ph 3 | 0.000 to 100.000 | 0.000 | |
_:2311:108 | General:CT mismatch side 1 M3ph 4 | 0.000 to 100.000 | 0.000 | |
_:2311:109 | General:CT mismatch side 1 M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:110 | General:CT mismatch side 2 M3ph 1 | 0.000 to 100.000 | 0.000 | |
_:2311:111 | General:CT mismatch side 2 M3ph 2 | 0.000 to 100.000 | 0.000 | |
_:2311:112 | General:CT mismatch side 2 M3ph 3 | 0.000 to 100.000 | 0.000 | |
_:2311:113 | General:CT mismatch side 2 M3ph 4 | 0.000 to 100.000 | 0.000 | |
_:2311:114 | General:CT mismatch side 2 M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:115 | General:CT mismatch side 3 M3ph 1 | 0.000 to 100.000 | 0.000 | |
_:2311:116 | General:CT mismatch side 3 M3ph 2 | 0.000 to 100.000 | 0.000 | |
_:2311:117 | General:CT mismatch side 3 M3ph 3 | 0.000 to 100.000 | 0.000 | |
_:2311:118 | General:CT mismatch side 3 M3ph 4 | 0.000 to 100.000 | 0.000 | |
_:2311:119 | General:CT mismatch side 3 M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:120 | General:CT mismatch side 4 M3ph 1 | 0.000 to 100.000 | 0.000 | |
_:2311:121 | General:CT mismatch side 4 M3ph 2 | 0.000 to 100.000 | 0.000 | |
_:2311:122 | General:CT mismatch side 4 M3ph 3 | 0.000 to 100.000 | 0.000 | |
_:2311:123 | General:CT mismatch side 4 M3ph 4 | 0.000 to 100.000 | 0.000 | |
_:2311:124 | General:CT mismatch side 4 M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:125 | General:CT mismatch side 5 M3ph 1 | 0.000 to 100.000 | 0.000 | |
_:2311:126 | General:CT mismatch side 5 M3ph 2 | 0.000 to 100.000 | 0.000 | |
_:2311:127 | General:CT mismatch side 5 M3ph 3 | 0.000 to 100.000 | 0.000 | |
_:2311:128 | General:CT mismatch side 5 M3ph 4 | 0.000 to 100.000 | 0.000 | |
_:2311:129 | General:CT mismatch side 5 M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:183 | General:CT mismatch M1ph | 0.000 to 100.000 | 0.000 | |
_:2311:130 | General:CT mismatch S1 M3ph 1 N | 0.000 to 100.000 | 0.000 | |
_:2311:131 | General:CT mismatch S1 M3ph 2 N | 0.000 to 100.000 | 0.000 | |
_:2311:132 | General:CT mismatch S1 M3ph 3 N | 0.000 to 100.000 | 0.000 | |
_:2311:133 | General:CT mismatch S1 M3ph 4 N | 0.000 to 100.000 | 0.000 | |
_:2311:134 | General:CT mismatch side 1 M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:176 | General:CT mismatch S2 M3ph 1 N | 0.000 to 100.000 | 0.000 | |
_:2311:135 | General:CT mismatch S2 M3ph 2 N | 0.000 to 100.000 | 0.000 | |
_:2311:136 | General:CT mismatch S2 M3ph 3 N | 0.000 to 100.000 | 0.000 | |
_:2311:137 | General:CT mismatch S2 M3ph 4 N | 0.000 to 100.000 | 0.000 | |
_:2311:177 | General:CT mismatch side 2 M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:138 | General:CT mismatch S3 M3ph 1 N | 0.000 to 100.000 | 0.000 | |
_:2311:139 | General:CT mismatch S3 M3ph 2 N | 0.000 to 100.000 | 0.000 | |
_:2311:140 | General:CT mismatch S3 M3ph 3 N | 0.000 to 100.000 | 0.000 | |
_:2311:141 | General:CT mismatch S3 M3ph 4 N | 0.000 to 100.000 | 0.000 | |
_:2311:178 | General:CT mismatch side 3 M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:142 | General:CT mismatch S4 M3ph 1 N | 0.000 to 100.000 | 0.000 | |
_:2311:143 | General:CT mismatch S4 M3ph 2 N | 0.000 to 100.000 | 0.000 | |
_:2311:144 | General:CT mismatch S4 M3ph 3 N | 0.000 to 100.000 | 0.000 | |
_:2311:145 | General:CT mismatch S4 M3ph 4 N | 0.000 to 100.000 | 0.000 | |
_:2311:179 | General:CT mismatch side 4 M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:146 | General:CT mismatch S5 M3ph 1 N | 0.000 to 100.000 | 0.000 | |
_:2311:147 | General:CT mismatch S5 M3ph 2 N | 0.000 to 100.000 | 0.000 | |
_:2311:148 | General:CT mismatch S5 M3ph 3 N | 0.000 to 100.000 | 0.000 | |
_:2311:149 | General:CT mismatch S5 M3ph 4 N | 0.000 to 100.000 | 0.000 | |
_:2311:180 | General:CT mismatch side 5 M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:184 | General:CT mismatch M1ph N | 0.000 to 100.000 | 0.000 | |
_:2311:191 | General:Reference side is | not assigned Side 1 Side 2 Side 3 Side 4 Side 5 |
not assigned | |
_:2311:151 | General:MU-ID Side 1 Mp3ph 1 |
0 to 100 | 0 | |
_:2311:152 | General:MU-ID Side 1 Mp3ph 2 |
0 to 100 | 0 | |
_:2311:153 | General:MU-ID Side 1 Mp3ph 3 |
0 to 100 | 0 | |
_:2311:154 | General:MU-ID Side 1 Mp3ph 4 |
0 to 100 | 0 | |
_:2311:155 | General:MU-ID Side 1 Mp1ph | 0 to 100 | 0 | |
_:2311:156 | General:MU-ID Side 2 Mp3ph 1 |
0 to 100 | 0 | |
_:2311:157 | General:MU-ID Side 2 Mp3ph 2 |
0 to 100 | 0 | |
_:2311:158 | General:MU-ID Side 2 Mp3ph 3 |
0 to 100 | 0 | |
_:2311:159 | General:MU-ID Side 2 Mp3ph 4 |
0 to 100 | 0 | |
_:2311:160 | General:MU-ID Side 2 Mp1ph | 0 to 100 | 0 | |
_:2311:161 | General:MU-ID Side 3 Mp3ph 1 |
0 to 100 | 0 | |
_:2311:162 | General:MU-ID Side 3 Mp3ph 2 |
0 to 100 | 0 | |
_:2311:163 | General:MU-ID Side 3 Mp3ph 3 |
0 to 100 | 0 | |
_:2311:164 | General:MU-ID Side 3 Mp3ph 4 |
0 to 100 | 0 | |
_:2311:165 | General:MU-ID Side 3 Mp1ph | 0 to 100 | 0 | |
_:2311:166 | General:MU-ID Side 4 Mp3ph 1 |
0 to 100 | 0 | |
_:2311:167 | General:MU-ID Side 4 Mp3ph 2 |
0 to 100 | 0 | |
_:2311:168 | General:MU-ID Side 4 Mp3ph 3 |
0 to 100 | 0 | |
_:2311:169 | General:MU-ID Side 4 Mp3ph 4 |
0 to 100 | 0 | |
_:2311:170 | General:MU-ID Side 4 Mp1ph | 0 to 100 | 0 | |
_:2311:171 | General:MU-ID Side 5 Mp3ph 1 |
0 to 100 | 0 | |
_:2311:172 | General:MU-ID Side 5 Mp3ph 2 |
0 to 100 | 0 | |
_:2311:173 | General:MU-ID Side 5 Mp3ph 3 |
0 to 100 | 0 | |
_:2311:174 | General:MU-ID Side 5 Mp3ph 4 |
0 to 100 | 0 | |
_:2311:175 | General:MU-ID Side 5 Mp1ph | 0 to 100 | 0 | |
_:2311:185 | General:MU-ID Mp1ph | 0 to 100 | 0 | |
_:2311:187 | General:Use tap-changer position | no yes |
yes | |
General | ||||
_:11041:1 | I-DIFF:Mode | off on test |
off | |
_:11041:2 | I-DIFF:Operate & flt.rec. blocked | no yes |
no | |
_:11041:6 | I-DIFF:Operate delay | 0.00 s to 60.00 s | 0.00 s | |
Operate curve | ||||
_:11041:3 | I-DIFF:Threshold | 0.05 I/IrObj to 2.00 I/IrObj | 0.20 I/IrObj | |
_:11041:100 | I-DIFF:Slope 1 | 0.00 to 0.80 | 0.30 | |
_:11041:101 | I-DIFF:Intersection 1 Irest | 0.00 I/IrObj to 5.00 I/IrObj | 0.67 I/IrObj | |
_:11041:102 | I-DIFF:Slope 2 | 0.25 to 0.95 | 0.70 | |
_:11041:103 | I-DIFF:Intersection 2 Irest | 1.00 I/IrObj to 20.00 I/IrObj | 2.50 I/IrObj | |
Starting detection | ||||
_:11041:106 | I-DIFF:Starting detection | no yes |
yes | |
_:11041:107 | I-DIFF:Thresh. startup detection | 0.1 I/IrObj to 2.0 I/IrObj | 0.1 I/IrObj | |
_:11041:108 | I-DIFF:Factor increasing char. | 1.0 to 5.0 | 2.0 | |
_:11041:109 | I-DIFF:Max. perm. Start. time | 0.1 s to 180.0 s | 5.0 s | |
DC offset detection | ||||
_:11041:110 | I-DIFF:Factor increasing char. DC | 1.0 to 5.0 | 2.3 | |
Ext. fault detection | ||||
_:11041:128 | I-DIFF:Threshold add-on stabiliz. | 1.00 I/IrObj to 20.00 I/IrObj | 2.00 I/IrObj | |
_:11041:129 | I-DIFF:Time of add-on stabiliz. | 0.00 s to 5.00 s; ∞ | 0.30 s | |
_:11041:130 | I-DIFF:Crossblk. time add-on st. | 0.00 s to 2.00 s; ∞ | 0.30 s | |
I-DIFF fast | ||||
_:11071:1 | I-DIFF fast:Mode | off on test |
off | |
_:11071:3 | I-DIFF fast:Threshold | 0.5 I/IrObj to 35.0 I/IrObj | 7.5 I/IrObj | |
_:11071:6 | I-DIFF fast:Operate delay | 0.00 s to 60.00 s | 0.00 s | |
_:11071:100 | I-DIFF fast:Operate & flt.rec. blocked | no yes |
no | |
I-DIFF unrestr | ||||
_:18002:1 | I-DIFF unrestr:Mode | off on test |
off | |
_:18002:3 | I-DIFF unrestr:Threshold | 0.5 I/IrObj to 35.0 I/IrObj | 10.0 I/IrObj | |
_:18002:6 | I-DIFF unrestr:Operate delay | 0.00 s to 60.00 s | 0.00 s | |
_:18002:100 | I-DIFF unrestr:Operate & flt.rec. blocked | no yes |
no | |