Download  Print this page

GE UR Series Instruction Manual Page 455

Line differential relay.
Hide thumbs
   
1
2
3
4
Table of Contents
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470

Advertisement

APPENDIX F
OPER ............. operate
OPERATG...... operating
O/S ................. operating system
OSB................ out-of-step blocking
OUT................ output
OV .................. overvoltage
OVERFREQ ... overfrequency
OVLD ............. overload
P..................... phase
PC .................. phase comparison, personal computer
PCNT ............. percent
PF................... power factor (total 3-phase)
PF_A .............. power factor (phase A)
PF_B .............. power factor (phase B)
PF_C .............. power factor (phase C)
PHS................ phase
PKP ................ pickup
PLC ................ power line carrier
POS................ positive
POTT.............. permissive over-reaching transfer trip
PRESS ........... pressure
PROT ............. protection
PSEL .............. presentation selector
pu ................... per unit
PUIB............... pickup current block
PUIT ............... pickup current trip
PUTT.............. permissive under-reaching transfer trip
PWM .............. pulse width modulated
PWR............... power
R..................... rate, reverse
REM ............... remote
REV................ reverse
RI.................... reclose initiate
RIP ................. reclose in progress
ROD ............... remote open detector
RST ................ reset
RSTR ............. restrained
RTD................ resistance temperature detector
RTU................ remote terminal unit
RX (Rx) .......... receive, receiver
s ..................... second
S..................... sensitive
SAT ................ CT saturation
SBO................ select before operate
SEL ................ select / selector / selection
SENS ............. sensitive
SEQ................ sequence
SIR ................. source impedance ratio
SRC................ source
SSB ................ single side band
SSEL .............. session selector
STATS ............ statistics
SUPN ............. supervision
GE Power Management
SUPV ..............supervise / supervision
SV ...................supervision
SYNCHCHK....synchrocheck
T......................time, transformer
TC ...................thermal capacity
TD MULT ........time dial multiplier
TEMP..............temperature
THD ................total harmonic distortion
TOC ................time overcurrent
TOV ................time overvoltage
TRANS............transient
TRANSF .........transfer
TSEL...............transport selector
TUC ................time undercurrent
TUV.................time undervoltage
TX (Tx)............transmit, transmitter
U .....................under
UC...................undercurrent
UCA ................Utility Communications Architecture
UNBAL............unbalance
UR...................universal relay
.URS ...............file name extension for settings files
UV...................undervoltage
V/Hz ................Volts per Hertz
V_0 .................zero sequence voltage
V_1 .................positive sequence voltage
V_2 .................negative sequence voltage
VA ...................phase A voltage
VAB.................phase A to B voltage
VAG ................phase A to ground voltage
VARH ..............var-hour voltage
VB ...................phase B voltage
VBA.................phase B to A voltage
VBG ................phase B to ground voltage
VC...................phase C voltage
VCA ................phase C to A voltage
VCG ................phase C to ground voltage
VF ...................variable frequency
VIBR ...............vibration
VT ...................voltage transformer
VTFF...............voltage transformer fuse failure
VTLOS ............voltage transformer loss of signal
WDG ...............winding
WH..................Watt-hour
w/ opt ..............with option
WRT................with respect to
X .....................reactance
XDUCER.........transducer
XFMR..............transformer
Z......................impedance
L90 Line Differential Relay
F.2 STANDARD ABBREVIATIONS
F
F-5

Advertisement

Table of Contents

   Also See for GE UR Series

   Related Manuals for GE UR Series

This manual is also suitable for:

L90

Comments to this Manuals

Symbols: 0
Latest comments: