ABB SWITCHGEAR MANUAL

INDICE

1. - FUNDAMENTAL PHISYCAL AND TECHNICAL TEMS…………………………………….PAG-1

1.1. - UNITS AND PHYSICAL CUANTITLES…………………………………………………………..PAG-1
1.1.1. - THE INTERNATIONAL SYSTEM OF UNITS………………………………………………….....PAG-1
1.1.2. - OTHER UNITS STILL IN COMMON USE; METRIC, BRITISH, AND US MEASURES…….....PAG-16
1.1.3. - FUNDAMENTAL PHYSICAL CONSTANTS……………………………………………………...PAG-21
1.2. - PHYSICAL, CHEMICAL AND TECHNICAL VALUES…………………………………………..PAG-23
1.2.1. - ELECTROCHEMICAL SERIES…………………………………………………………………….PAG-23
1.2.2. - FARADAY’S LAW…………………………………………………………………………………PAG-23
1.2.3. - THERMOELECTRIC SERIES...……………………………………………………………………PAG-25
1.2.4. - PH VALUE………………………………………………………………………………………….PAG-26
1.2.5. - HEAT TRANSFER………………………………………………………………………………….PAG-26
1.2.6. - ACUSTICS, NOLSE MEASURMENT, NOLSE ABATEMENT………………………………….PAG-29
1.3. - ETRENGTH OF MATERIALS……………………………………………………………………..PAG-36
1.3.1. - FUNDAMENTALS AND DEFINITIONS………………………………………………………….PAG-36
1.3.2. - TENSILE AND PROGRESSIVE STRENGTH..........................................................................…...PAG-37
1.3.3. - BENDING STRENGTH…………………………………………………………………………….PAG-38
1.3.4. - LOADINGS ON BEAMS…………………………………………………………………………...PAG-39
1.3.5. - BUCKLING STRENGTH…………………………………………………………………………...PAG-41
1.3.6. - MAXIMUN PERMISSIBLE BUCKLING AND TENSILE STRESS FOR TUBULAR RODS…..PAG-42
1.3.7. - SHEAR STRENGTH………………………………………………………………………………..PAG-43
1.3.8. - MOMENTS AND RESITENCE AND MOMENT OF INERTIA………………………………….PAG-44
1.4. - GEOMETRY, CALCULATION OF AREAS AND SOLID BODLES…………………………….PAG-46
1.4.1. - AREAS OF POLIGONS…………………………………………………………………………….PAG-46
1.4.2. - AREAS AND CENTRES OF GRAVITY…………………………………………………………..PAG-47
1.4.3. - VOLUMES AND SURFACE AREAS OF SOLID BODIES………………………………………PAG-48
2. - GENERAL ELECTROTECHNICAL FORMULAE……………………………………………PAG-51
2.1. - ELECTROTECHNICAL SYMBOLS AS PER DIN 1304 PART 1………………………………..PAG-51
2.2. - ALTERNATING-CURRENT QUANTILES……………………………………………………….PAG-52
2.3. - ELECTRICAL RESISTANCES…………………………………………………………………….PAG-59
2.3.1. - DEFINITIONS AND SPECIFIC VALUES………………………………………………………...PAG-59
2.3.2. - RESISTANCES AND DIFFERENT CIRCUIT CONFIGURATIONS.............................................PAG-60
2.3.3. - THE INFLUENCE OF TEMPERATURE ON RESISTANCE……………………………………..PAG-62
2.4. - RELATIONSHIPS BETWEEN VOLTAGE DROP, POWER LOSS AND CONDUCTOR
CROSS SECTION..…………………………………………………………………………………PAG-63
2.5. - CURRENT INPUT OF ELECTRICAL MACHINES AND TRANSFORMERS………………….PAG-66
2.6. - ATTENUATION CONSTANT A OF TRANSMISSION SYSTEMS……………………………..PAG-68
3. - CALCULATION OF SHORT-CIRCUIT CURRENTS IN THREE-PHASE SYSTEMS…….PAG-69
3.1. - TERMS AND DEFINITIONS………………………………………………………………………PAG-69
3.1.1. - TERMS AS PER DIN VDE 0102 / IEC 909………………………………………………………..PAG-69
3.1.2. - SYMMETRICAL COMPONETS OF ASYMMETRICAL THREE-PHASE SYSTEMS…………PAG-70
3.2. - FUNDAMENTALS OF CALCULATION ACCORDING TO DIN VDE 0102 / IEC 909………..PAG-71
3.3. - IMPEDANCES OF ELECTRICAL EQUIPMENT………………………………………………...PAG-83
3.3.1. - SYSTEMS INFEED………………………………………………………………………………...PAG-83
3.3.2. - ELECTRICAL MACHINES………………………………………………………………………..PAG-83
3.3.3. - TRANSFORMERS AND REACTORS…………………………………………………………….PAG-86
3.3.4. - THREE-PHASE OVERHEAD LINE………………………………………………………………PAG-89
3.3.5. - THREE-PHASE CABLES………………………………………………………………………….PAG-96
3.3.6. - BUSBARS IN SWITCHGEAR INSTALLATIONS……………………………………………….PAG-102
3.4. - EXAMPLES OF CALCULATION………………………………………………………………...PAG-103
4. - DIMENSIONING SWITCHGEAR INSTALLATIONS………………………………………..PAG-113
4.1. - INSULATION RATING……………………………………………………………………………PAG-113
4.2. - DIMENSIONING OF POWER INSTALLATIONS FOR MECHANICAL AND THERMAL
SHORT-CIRCUIT STRENGTH……………………………………………………………………PAG-120
4.2.1. - DIMENSIONING OF BAR CONDUCTORS FOR MECHANICAL SHORT-CIRCUIT
STRENGTH…………………………………………………………………………………………PAG-122
4.2.2. - DIMENSIONING OF STRANDED CONDUCTORS FOR MECHANICAL
SHORT-CIRCUIT STRENGTH…………………………………………………………………….PAG-133
4.2.3. - HORIZONTAL SPAN DISPLACEMENT………………………………………………………….PAG-142
4.2.4. - MECHANICAL STRESS ON CABLES AND CABLE FITTINGS IN THE EVENT
SHORT-CIRCUIT…………………………………………………………………………………...PAG-145
4.2.5. - RATING THE THERMAL SHORT-CIRCUIT CURRENT CAPABILITY……………………….PAG-146
4.3. - DIMENSIONING OF WIRE AND TUBULAR CONDUCTORS FOR STATIC LOADS

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 AND ELECTRICAL SURFACE-FIELD STRENGTH
4.3.1. - CALCULATION OF DE SAG OF WIRE CONDUCTORS IN OUTDOOR INSTALLATIONS....PAG-150
4.3.2. - CALCULATION OF DEFLECTION AND STRESS OF TUBULAR BUSBARS………………...PAG-156
4.3.3. - CALCULATION OF ELECTRICAL SURFACE FIELD STRENGTH……………………………PAG-158
4.4. - DIMENSIONING FOR CONTINUOUS CURRENT RATING……………………………………PAG-159
4.4.1. - TEMPERATURE RISE IN ENCLOSED SWITCH BOARDS……………………………………..PAG-159
4.4.2. - VENTILATION OF SWITCHGEAR AND TRANSFORMER ROOMS…………………………..PAG-161
4.4.3. - FORCED VENTILATION AND-CONDITIONING OF SWITCHGEAR INSTALLATIONS……PAG-164
4.4.4. - TEMPERATURE RISE IN ENCLOSED BUSBARS……………………………………………….PAG-167
4.4.5. - TEMPERATURE RISE IN INSULATED CONDUCTORS………………………………………..PAG-168
4.4.6. - LONGITUDINAL EXPANSION OF BUSBARS…………………………………………………...PAG-169
4.5. - RATING POWER SYSTEM FOR EARTHQUAKE SAFETY…......................................................PAG-170
4.5.1. - GENERAL PRINCIPIES…………………………………………………………………………….PAG-170
4.5.2. - EXPERIMETAL VERIFICATION…………………………………………………………………..PAG-172
4.5.3. - VERIFICATION BY CALCULATION……………………………………………………………..PAG-173
4.6. - MINIMUM CLEARANCES, PROTECTIVE BARRIER CLEARANCES AND WIDTHS
OF GANGWAYS…………………………………………………………………………………….PAG-174
4.6.1. - MINIMUM CLEARENCES AND PROTECTIVE BARRIER CLEARENCES IN
POWER SYSTEM WITH RATED VOLTAGES OVER 1KV ( DIN VDE 0101 )………………….PAG-175
4.6.2. - WALK WAYS AND GANGWAYS IN POWER INSTALLATIONS WITH RATED
VOLTAGES OVER 1 KV ( DIN VDE 0101 )………………………………………………………..PAG-178
4.6.3. - GANGWAY WITHS IN POWER INSTALLATIONS WITH VOLTAGES OF UP
TO 1 KV ( DIN VDE 0100 PART 729)……………………………………………………………….PAG-182
4.7. - CIVIL REQUIREMENTS…………………………………………………………………………….PAG-183
4.7.1. - INDOOR INSTALATIONS…………………………………………………………………………..PAG-184
4.7.2. - OUTDOOR INSTALLATIONS……………………………………………………………………...PAG-186
4.7.3. - INSTALLATIONS SUBJECT TO SPECIAL CONDITIONS……………………………………….PAG-187
4.7.4. - BATTERY COMPONENTS………………………………………………………………………….PAG-187
4.7.5. - TRANSFORMER INSTALLATION…………………………………………………………………PAG-189
4.7.6. - FIRE PREVENTION………………………………………………………………………………….PAG-191
5. - PROTECTIVE MEASURES FOR PERSONS AND INSTALLATIONS………………………..PAG-197
5.1. - ELECTRIC SHOCK PROTECTION IN INSTALLATIONS UP TO 1000 V AS PER
DIN VDE 0100………………………………………………………………………………………..PAG-197
5.1.1. - PROTECTION AGAINST DIRECT CONTACT ( BASIC PROTECTION )……………………….PAG-197
5.1.2. - PROTECTION IN CASE OF INDIRECT CONTACT 9 FAULT PROTECTION )………………...PAG-198
5.1.3. - PROTECTION BY EXTRA LOW VOLTAGE………………………………………………………PAG-202
5.1.4. - PROTECTIVE CONDUCTORS, PEN CONDUCTORS AND EQUIPOTENTIAL BONDING
CONDUCTORS………………………………………………………………………………………PAG-203
5.2. - PROTECTION AGAINST CONTACT IN INSTALLATIONS ABOVE 1000 V AS PER
DIN VDE 0101………………………………………………………………………………………..PAG-207
5.2.1. - PROTECTION AGAINST DIRECT CONTACT…………………………………………………….PAG-207
5.2.2. - PROTECTION IN CASE OF INDIRECT CONTACT……………………………………………….PAG-208
5.3. - EARTHING…………………………………………………………………………………………...PAG-210
5.3.1. - FUNDAMENTALS, DEFINITIONS AND SPECIFICATIONS……………………………………..PAG-210
5.3.2. - EARTHING MATERIAL……………………………………………………………………………..PAG-214
5.3.3. - DIMENSIONING OF EARTHING SYSTEMS………………………………………………………PAG-217
5.3.4. - EARTHING MEASUREMENTS……………………………………………………………………..PAG-222
5.4. - LIGHTHING PROTECTION…………………………………………………………………………PAG-222
5.4.1. - GENERAL…………………………………………………………………………………………….PAG-222
5.4.2. - METHODS OF LIGHTHING PROTECTION……………………………………………………….PAG-223
5.4.3. - OVERHEAD EARTH WIRES………………………………………………………………………..PAG-225
5.4.4. - LIGHTHING RODS…………………………………………………………………………………..PAG-227
5.5. - ELECTROMAGNETIC COMPATIBILITY………………………………………………………….PAG-230
5.5.1. - ORIGIN AND PROPAGATION OF INTERFERENCE QUANTITIES……………………………..PAG-233
5.5.2. - EFFECT OR INTERFERENCE QUANTITIES ON INTERFERENCE SINKS……………………..PAG-237
5.5.3. - EMC MEASURES…………………………………………………………………………………….PAG-238
5.6. - PARTIAL-DISCHARGE MEASUREMENT…………………………………………………………PAG-247
5.6.1. - PARTIAL DISCHARGE PROCESSES……………………………………………………………….PAG-249
5.6.2. - ELECTRICAL PARTIAL-DISCHARGE MEASUREMENT PROCEDURES………………………PAG-251
5.7. - EFFECTS OF CLIMATE AND CORROSION PROTECTION………………………………………PAG-254
5.7.1. - CLIMATES…………………………………………………………………………………………….PAG-254
5.7.2. - EFFECTS OF CLIMATE AND CLIMATIC TESTING………………………………………………PAG-258
5.7.3. - REDUCTION OF INSULATION CAPACITY BY HUMIDITY…………………………………….PAG-259
5.7.4. - CORROSION PROTECTION…………………………………………………………………………PAG-261
5.8. - DEGREES OF PROTECTION FOR ELECTRICLA EQUIPMENT OF UP TO 72.5 KV
( VDE 0470 PART 1, EN 60529 )……………………………………………………………………..PAG-263
6. - METHODS AND AIDS FOR PLANNING INSTALLATIONS…………………………………..PAG-265
6.1. - PLANNING OF SWITCHGEAR INSTALLATIONS………………………………………………...PAG-265

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6.1.1. - CONCEPT, BOUNDARY CONDITIONS, PC CALCULATION AID………………………………PAG-265
6.1.2. - PLANNING OF HIGH-VOLTAGE INSTALLATIONS……………………………………………...PAG-269
6.1.3. - PROJECT PLANNING OF MEDIUM-VOLTAGE INSTALLATIONS……………………………..PAG-272
6.1.4. - PLANNING OF LOW-VOLTAGE INSTALLATIONS……………………………………………...PAG-274
6.1.5. - CALCULATION OF SHORT-CIRCUIT CURRENTS, COMPUTER-AIDED……………………...PAG-279
6.1.6. - CALCULATION OF CABLE CROSS-SECTIONS, COMPUTER-AIDED…………………………PAG-281
6.1.7. - PLANNING OF CABLE ROUTING, COMPUTER-AIDED…………………………………………PAG-281
6.2. - REFERENCE DESINATIONS AND PREPARATION OF DOCUMENTS…………………………PAG-282
6.2.1. - ITEM DESIGNATION OF ELECTRICAL EQUIPMENT AS PER DIN 40719 PART 2……....PAG-282
6.2.2. - PREPARATION OF DOCUMENTS………………………………………………………………….PAG-293
6.2.3. - CLASSIFICATION AND DESIGNATION OF DOCUMENTS……………………………………..PAG-296
6.2.4. - STRUCTURAL PRINCIPLES AND REFERENCE DESIGNATION AS PER IEC 61346………….PAG-299
6.3. - CAD / CAE METHODS APLIED TO SWITCHGEARNENGINNERING…………………………..PAG-301
6.3.1. - TERMINOLOGY, STANDARDS……………………………………………………………………..PAG-302
6.3.2. - OUTLINE OF HARDWARE AND SOFTWARE FOR CAD SYSTEMS……………………………PAG-304
6.3.3. - OVERVIEW OF CAD APPLICATIONS IN ABB SWITCHGEAR ENGINNERING……………….PAG-307
6.4. - DRAWINGS……………………………………………………………………………………………PAG-312
6.4.1. - DRAWING FORMATS………………………………………………………………………………..PAG-312
6.4.2. - STANDARDS FOR PRESENTATION………………………………………………………………..PAG-313
6.4.3. - LETTERING IN DRAWINGS, LINE THICKNESSES……………………………………………….PAG-315
6.4.4. - TEXT PANEL, IDENTIFICATION OF DRAWING…………………………………………………PAG-316
6.4.5. - DRAWINGS FOR SWITCHGEAR INSTALLATIONS……………………………………………..PAG-317
6.4.6. - DRAWING PRODUCTION, DRAFTING AIDS……………………………………………………..PAG-318
7. - LOW – VOLTAGE SWITCHGEAR………………………………………………………………..PAG-319
7.1. - SWITCHGEAR APPARATUS………………………………………………………………………..PAG-319
7.1.1. - LOW-VOLTAGE SWITCHGEAR AS PER VDE 0660 PART 100 AND FOLLOWING
PARTS, EN 60947 - … AND IEC 60947 - … ………………………………………………………...PAG-319
7.1.2. - LOW-VOLTAGE FUSES AS PER VDE 0636 PART 10 AND FOLLOWING PARTS,
EN 60269 - … IEC 60269 - … ………………………………………………………………………..PAG-332
7.1.3. - PROTECTIVE SWITCHGEAR FOR HOUSEHOLD AND SIMILAR USES……………………….PAG-338
7.1.4. - SELECTIVITY…………………………………………………………………………………………PAG-342
7.1.5. - BACKUP PROTECTION……………………………………………………………………………...PAG-345
7.2. - LOW VOLTAGE SWITCHGEAR INSTALLATIONS AND DISTRIBUTION BOARDS…………PAG-346
7.2.1. - BASICS………………………………………………………………………………………………...PAG-346
7.2.2. - STANDARDIZED TERMS……………………………………………………………………………PAG-347
7.2.3. - CLASSIFICATION OF SWITCHGEAR ASSEMBLIES……………………………………………..PAG-348
7.2.4. - INTERNAL SUBDIVISION BY BARRIERS AND PARTITIONS………………………………….PAG-350
7.2.5. - ELECTRICAL CONNECTIONS IN SWITCHGEAR ASSEMBLIES………………………………..PAG-351
7.2.6. - VERIFICATION OF IDENTIFICATION DATA OF SWITCHGEAR ASSEMBLIES……………....PAG-351
7.2.7. - SWITCHGEAR ASSEMBLIES FOR OPERATION BY UNTRAINED PERSONNEL……………...PAG-353
7.2.8. - RETROFITTING, CHANGING AND MAINTAINING LOW-VOLTAGE SWITCHGEAR
ASSEMBLIES…………………………………………………………………………………………..PAG-353
7.2.9. - MODULAR LOW-VOLTAGE SWITCHGEAR SYSTEM ( MNS SYSTEM )……………………….PAG-353
7.2.10. - LOW-VOLTAGE DISTRIBUTION BOARDS IN CUBICLE-TYPE ASSEMBLY…………………..PAG-360
7.2.11. - LOW-VOLTAGE DISTRIBUTION BOARDS IN MULTIPLE BOX-TYPE ASSEMBLY…………..PAG-362
7.2.12. - SYSTEMS FOR REACTIVE POWER COMPENSATION……………………………………………PAG-364
7.2.13. - CONTROL SYSTEMS FOR LOW-VOLTAGE SWITCHGEAR ASSEMBLIES……………………..PAG-365
7.3. - DESIGN AIDS…………………………………………………………………………………………...PAG-368
7.3.1. - KEEPING TO THE TEMPERATURE RISE LIMIT……………………………………………………PAG-368
7.3.2. - INTERNAL ARC TEST…………………………………………………………………………………PAG-370
7.3.3. - VERIFICATION OF THE SHORT-CIRCUIT CURRENT CAPABILITY
OF BUS BAR SYSTEMS………………………………………………………………………………..PAG-371
7.3.4. - CALCULATION PROGRAMS FOR PLANNING AND DESIGN OF
LOW-VOLTAGE SUBSTATIONS……………………………………………………………………..PAG-371
7.4. - RATED VOLTAGE 690 V………………………………………………………………………………PAG-372
7.5. - SELECTED AREAS OF APPLICATION………………………………………………………………PAG-372
7.5.1. - DESIGN OF LOW-VOLTAGE SUBSTATIONS TO WITHSTAND INDUCED VIBRATIONS…….PAG-372
7.5.2. - LOW-VOLTAGE SUBSTATIONS IN INTERNAL ARC-PROOF DESIGN FOR
OFFSHORE APPLICATIONS…………………………………………………………………………..PAG-373
7.5.3. - SUBSTATIONS FOR SHELTER………………………………………………………………………..PAG-374
8. - SWITCHGEAR AND SWITCHGEAR INSTALLATIONS FOR HIGH VOLTAGE
INCLUDING 52 Kv (medium voltage)…………………………………………………………………..PAG-375
8.1. - SWITCHGEAR APPARATUS ( 52 Kv)………………………………………………………………PAG-375
8.1.1. - DISCONNNECTORS……………………………………………………………………………………PAG-375
8.1.2. - SWITCH-DISCONNECTORS…………………………………………………………………………..PAG-375
8.1.3. - EARTHING SWITCHES………………………………………………………………………………..PAG-376
8.1.4. - POSITION INDICATION……………………………………………………………………………….PAG-377
8.1.5. - HV FUSE LINKNS (DIN EN 60 282-1 (V DE 0670 Part 4 ))…………………………………………..PAG-377

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8.1.6. - I LIMITER FASTES SWITCHING DEVICE IN THE WORK………………………….……………..PAG-380
8.1.7. - CIRCUIT-BREAKERS.......................................................................................................................…...PAG-382
8.1.8. - VACUUM CONTACTORS ………………………….………………………………..………………..PAG-385
8.2. - SWITCHGEAR INSTALLATIONS (52kv)……………………………………………………………..PAG-386
8.2.1. - SPECIFICATIONS COVERING HV SWITCHGEAR INSTALLATIONS……………………………PAG-386
8.2.2. - SWITCHGEAR AS PER DIN VDE 0101………………………………………………………………. PAG-386
8.2.3. - METAL-ENCLOSED SWITCHGEAR AS PER DIN EN 60298 (VDE 0670 PART 6)………………..PAG-387
8.2.4. - METAL-ENCLOSED AIR-INSULATED SWITCHGEAR AS PER DIN EN
60298 (V DE 0670 PART 6)……………………………………………………………………………...PAG-392
8.2.5. - METAL-ENCLOSED GAS-INSULATED SWITCHGEAR AS PER DIN EN
60298 (VDE 0670 PART 6)………………………………………………………………………………PAG-396
8.2.6. - CONTROL SYSTEMS FOR MEDIUM-VOLTAGE SUBSTATIONS…………………………………PAG-404
8.3. - TERMINAL CONECCTIONS FOR MEDIUM-VOLTAGE INSTALLATIONS………………………PAG-405
8.3.1. - FULLY INSULATED TRANSFORMER LINK WITCHS CABLES…………………………………...PAG-405
8.3.2. - INSULATED BUSBAR CONNECTION………………………………………………………………..PAG-406
8.3.3. - SOLID-INSULATED BUSBAR CONNECTION…………………………………….………................PAG-406
9. - HIGH-CURRENTS SWITCHGE...……………………………………….............................................PAG-409
9.1. - GENERATOR CIRCUIT-BREAKER…………………………………….……………………………...PAG-409
9.1.1. - SELECTION CRITERIA FOR GENERATOR CIRCUIT-BREAKER.…………………………............PAG-411
9.1.2. - GENERATOR CIRCUIT-BREAKER TYPE RANGES HG…ANDHE…(SF|GAS BREAKE………...PAG-412
9.1.3. - GENERATOR CIRCUIT-BREAKER TYPE DR (AIR-BLASTBREAKER).…………………………..PAG-415
9.1.4. - GENERATOR CIRCUIT-BREAKER TYPE VD 4 G (VACUUM BREAKER)………………………..PAG-416
9.2. - HIGH-CURRENT BUS DUCTS(GENERATOR BUS DUCTS)………………………………………...PAG-418
9.2.1. - GENERAL REQUIREMENTS……………………………………………………………………….......PAG-418
9.2.2. - TYPES, FEATURES, SYSTEM SELECTION..………………………………………………….............PAG-419
9.2.3. - DESIGN DIMENSIONS………………………………………………………………………………….PAG-422
9.2.4. - STRUCTURAL DESIGN………………………………………………………………………………....PAG-423
9.2.5. - EARTHING SYSTEM……………………………………………………………………………………PAG.424
9.2.6. - AIR PRESSURE/COOLING SYSTEM…………………………………………………………………..PAG-425
10. - HIGH-VOLTAGE APPARATUS………………………………………………………………………PAG-427
10.1. - DEFINITIONS AND ELECTRICAL PARAMETERS FOR SWICHGEAR…………………………….PAG-427
10.2. - DISCONNECTORS AND EARTHING SWITCHES……………………………………………………PAG-432
10.2.1. - ROTARY DISCONNECTORS…………………………………………………………………………...PAG-432
10.2.2. - SINGLE-COLUMN (PANTOGRAPH) DISCONNECTOR TFB……………………………………….PAG-434
10.2.3. - TWO-COLUMN VERTICAL BREAK DISCONNECTORS…………………………………………....PAG-437
10.2.4. - SINGLE-COLUMN EARTHING SWITCHES…………………………………………………………..PAG-438
10.2.5. - OPERATING MECHANISMS FOR DISCONNECTORS AND EARTHING SWITCHES……………PAG-439
10.3. - SWITCH DISCONNECTORS……………………………………………………………………………PAG-440
10.4. - CIRCUIT-BREAKERS…………………………………………………………………………………...PAG-441
10.4.1. - FUNCTION, SELECTION ………………………………………………………………………………PAG-441
10.4.2. - |DESIGN OF CIRCUIT-BREAKER FOR HIGH-VOLTAGE ( 52Kv)………………………...............PAG-442
10.4.3. - INTERRUPTING PRINCIPLE AND IMPORTANT SWTCHING CASES……………………………..PAG-445
10.4.4. - QUENCHING MEDIA AND OPERATING PRINCIPLE ………………………………………………PAG-452
10.4.5. - OPERATING MECHANISM AND CONTROL ………………………………………………………...PAG-455
10.5. - INSTRUMENT TRANSFORMERS FOR SWITCHGEAR INSTALLATIONS………………………...PAG-460
10.5.1. - DEFINITIONS AND ELECTRICAL QUANTITIES ……………………………………………………PAG-460
10.5.2. - CURRENT TRANSFORMER……………………………………………………………………….…...PAG-464
10.5.3. - INDUCTIVE VOLTAGE TRANSFORMERS …………………………………………………………..PAG-472
10.5.4. - CAPACITIVE VOLTAGE TRANSFORMERS …………………………………………………………PAG-473
10.5.5. - NON-CONVENTIONAL TRANSFORMERS…………………………………………………………...PAG-475
10.6. - SURGE ARRESTERS…………………………………………………………………………………….PAG-482
10.6.1. - DESIGN, OPERATING PRINCIPLE…………………………………………………………………….PAG-482
10.6.2. - APPLICATION AND SELECTION OF MO SURGE ARRESTERS…………………………………...PAG-484
11. - HIGH-VOLTAGE SWITCHGEAR INSTALLATIONS……………………………………………..PAG-489
11.1. - SUMMARY AND CIRCUIT CONFIGURATION……………………………………………………...PAG-489
11.1.1. - SUMMARY………………………………………………………………………………………………PAG-489
11.1.2. - CIRCUIT CONFIGURATIONS FOR HIGH-AND MEDIUM-VOLTAGE
SWITCHGEAR INSTALLATIONS……………………………………………………………………..PAG-490
11.2. - SF GAS-INSULATED SWITCHGEAR (GIS)………………………………………………………….PAG-497
11.2.1. - GENERAL………………………………………………………………………………………………..PAG-497
11.2.2. - SF GAS AS INSULATING AND ARC-QUENCHING MEDIUM……………………………………..PAG-498
11.2.3. - GIS FOR 72.5 TO 800 kV………………………………………………………………………………..PAG-499
11.2.4. - SMART-GIS……………………………………………………………………………………………...PAG-502
11.2.5. - STATION ARRANGEMENT……………………………………………………………………………PAG-503
11.2.6. - STATION LAYOUTS……………………………………………………………………………………PAG-504
11.2.7. - SF-INSULATED BUSBAR LINKS……………………………………………………………………...PAG-507
11.3. - OUTDOOR SWITCHGEAR INSTALLATIONS………………………………………………………..PAG-508
11.3.1. - REQUIREMENTS, CLEARANCES……………………………………………………………………..PAG-508

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11.3.2. - ARRANGEMENT AND COMPONENTS…………………………………………………………….. PAG-509
11.3.3. - SWITCHYARD LAYOUTS…………………………………………………………………………….PAG-517
11.4. - INNOVATIVE HV SWITCHGEAR TECHNOLOGY…………………………………………………PAG-528
11.4.1. - CONCEPTS FOR THE FUTURE……………………………………………………………………….PAG-528
11.4.1.1.- PROCESS ELECTRONICS (SENSOR TECHNOLOGY, PISA)………………………………………PAG-528
11.4.1.2. MONITORING IN SWITCHGEAR INSTALLATIONS……………………………………………….PAG-528
11.4.1.3. STATUS-ORIENTED MAINTENANCE……………………………………………………………….PAG-529
11.4.2. - INNOVATIVE SOLUTIONS…………………………………………………………………………...PAG-531
11.4.2.1. COMPACT OUTDOOR SWITCHGEAR INSTALLATIONS………………………………………...PAG-531
11.4.2.2. HYBRID SWITCHGEAR INSTALLATIONS………………………………………………………....PAG-534
11.4.2.3 PREFABRICATED, MODULAR TRANSFORMER SUBSTATIONS (MUW)……………………....PAG-536
11.4.3. - MODULAR PLANNING OF TRANSFORMER SUBSTATIONS ……………………………………PAG-539
11.4.3.1. DEFINITION OF MODULES…………………………………………………………………………..PAG-540
11.4.3.2 FROM THE CUSTOMER REQUIREMENT TO THE MODULAR SYSTEM SOLUTION…………PAG-540
11.5. - INSTALLATIONS FOR HIGH-VOLTAGE DIRECT-CURRENT (HVDC)
TRANSMISSION……………………………………………………………………………………….PAG-541
11.5.1. - GENERAL………………………………………………………………………………………………PAG-541
11.5.2. - SELECTION OF MAIN DATA FOR HVDC TRANSMISSION……………………………………...PAG-542
11.5.3. - COMPONENTS OF A HVDC STATION……………………………………………………………...PAG-543
11.5.4. - STATION LAYOUT……………………………………………………………………………………PAG-546
11.6. - STATIC VAR(REACTIVE POWER) COMPENSATION (SVC)……………………………………..PAG-547
11.6.1. - APPLICATIONS………………………………………………………………………………………..PAG-547
11.6.2. - TYPES OF COMPENSATOR……………………………………………………………………….....PAG-548
11.6.3. - SYSTEMS IN OPERATION…………………………………………………………………………...PAG-550
12. - TRANSFORMERS AND OTHER EQUIPMENT FOR SWITCHGEAR
INSTALLATIONS……………………………………………………………………………………..PAG-551
12.1. - TRANSFORMERS……………………………………………………………………………………..PAG-551
12.1.1. - DESIGN, TYPES AND DIMENSIONS……………………………………………………………….PAG-551
12.1.2. - VECTOR GROUPS AND CONNECTIONS…………………………………………………………..PAG-554
12.1.3. - IMPEDANCE VOLTAGE, VOLTAGE VARIATION AND SHORT-CIRCUIT
CURRENT WITHSTAND……………………………………………………………………………..PAG-556

12.1.4. - LOSSES, COOLING AND OVERLOAD CAPACITY……………………………………………….PAG-559

12.1.5. - PARALLEL OPERATION ……………………………………………………………………………PAG-562
12.1.6. - PROTECTIVE DEVICES FOR TRANSFORMERS………………………………………………….PAG-564
12.1.7. - NOISE LEVELS AND MEANS OF NOISE ABATEMENT…………………………………………PAG-565
12.2. - CURRENT-LIMITING REACTORS EN 60289 (VDE 0532 PART 20)……………………………..PAG-566
12.2.1. - DIMENSIONING……………………………………………………………………………………...PAG-566
12.2.2. - REACTOR CONNECTION…………………………………………………………………………...PAG-568
12.2.3. - INSTALLATION OF REACTORS……………………………………………………………………PAG-569
12.3. - CAPACITORS…………………………………………………………………………………………PAG-570
12.3.1. - POWER CAPACITORS……………………………………………………………………………….PAG-570
12.3.2. - COMPENSATION OF REACTIVE POWER…………………………………………………………PAG-571
12.4. - RESISTOR DEVICES…………………………………………………………………………………PAG-579
12.5. - RECTIFIERS……………………………………………………………………………….…………..PAG-581
13. - CONDUCTOR MATERIALS AND ACCESORIS FOR SWITCHGEAR
INSTALLATIONS…………………………………………………………………………………….PAG-587
13.1. - BUSBARS, STRANDED-WIRE CONDUCTORS AND INSULATORS…………………….……...PAG-587
13.1.1. - PROPERTIES OF CONDUCTORS MATERIALS………………………………………….………..PAG-587
13.1.2. - BUSBARS FOR SWITCHGEAR INSTALLATIONS………………………………………………..PAG-588
13.1.3. - DRILLED HOLES AND BOLTED JO INTS FOR BUSBAR CONDUCTORS……………………..PAG-609
13.1.4. - TECHNICAL VALUES FOR STRANDED-WIRE CONDUCTORS………………………………..PAG-617
13.1.5. - POST-TYPE INSULATORS AND OVERHEAD-LINE INSULATORS……………………………PAG-627
13.2. - CABLES, WIRES AND FLEXIBLE CORDS…………………………………………………….…..PAG-645
13.2.1. - SPECIFICATIONS, GENERAL………………………………………………………………………PAG-645
13.2.2. - CURRENT-CARRYING CAPACITY………………………………………………………………..PAG-647
13.2.3. - SELECTION AND PROTECTION………………………………………………….………………..PAG-672
13.2.4. - INSTALLATION OF CABLES AND WIRES…………………………………………………….….PAG-680
13.2.5. - CABLES FOR CONTROL, INSTRUMENT TRANSFORMERS AND AUXILIARY
SUPPLY IN HIGH-VOLTAGE SWITCHGEAR INSTALLATIONS………………………………PAG-684
13.2.6. - TELECOMUNICATIONS CABLES…………………………………………………………………PAG-687
13.2.7. - DATA OF STANDARD VDE, BRITISH AND US CABLES……………………………………....PAG-689
13.2.8. - POWER CABLE ACCESSORIES FOR LOW AND MEDIUM-VOLTAGE………………………PAG-696
13.3. - SAFE WORKING EQUIPMENT IN SWICHGEAR INSTALLATIONS…………………………..PAG-706
14. - PROTECTION AND CONTROL IN SUBSTATIONS AND POWER
NETWORKS………………………………………………………………………………………….PAG-711
14.1. - INTRODUCTION………………………………………………………………………………........PAG-711
14.2. - PROTECTION……………………………………………………………………………………......PAG-713

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14.2.1. - PROTECCTION RELAYS AND PROTECTION SYSTEMS……………………………………....PAG-713
14.2.2. - ADVANTAGES OF NUMERIC RELAYS………………………………………………………….PAG-716
14.2.3. - PROTECTION OF SUBSTATIONS, LINES AND TRANSFORMERS…………………………...PAG-717
14.2.4. - GENERATOR UNIT PROTECTION……………………………………………………………….PAG-717
14.3. - CONTROL, MEASUREMENT AND REGULATION (SECONDARY
SYSTEMS)…………………………………………………………………………………………..PAG-720
14.3.1. - D.C. VOLTAGE SUPPLY…………………………………………………………………………..PAG-721
14.3.2. - INTERLOCKING…………………………………………………………………………………....PAG-721
14.3.3. - CONTROL…………………………………………………………………………………………..PAG-723
14.3.4. - INDICATION……………………………………………………………………………………….PAG-724
14.3.5. - MEASUREMENT…………………………………………………………………………………..PAG-725
14.3.6. - SYNCHRONIZING………………………………………………………………………………....PAG-731
14.3.7. - METERING………………………………………………………………………………………....PAG-732
14.3.8. - RECORDING AND LOGGING…………………………………………………………………....PAG-738
14.3.9. - AUTOMATIC SWITCHING CONTROL…………………………………………………………PAG-739
14.3.10. - TRANSFORMER CONTROL AND VOLTAGE REGULATION……………………………….PAG-742
14.3.11. - STATION CONTROL ROOMS……………………………………………………………..…......PAG-745
14.4. - SUBSTATION CONTROL WITH MICROPROCESSORS……………………………………...PAG-746
14.4.1. - OUTLINE………………………………………………………………………………………….PAG-746
14.4.2. - MICROPROCESSORS AND CONVENTIONAL SECONDARY
SYSTEMS COMPARED………………………………………………………………………….PAG-746
14.4.3. - STRUCTURE OF COMPUTERIZED CONTROL SYSTEMS…………………………………..PAG-747
14.4.4. - FIBRE-OPTIC CABLES…………………………………………………………………………..PAG-751
14.5. - NETWORK CONTROL AND TELECONTROL…………………………………………………PAG-753
14.5.1. - FUNCTIONS OF NETWOR CONTROL SYSTEMS…………………………………………….PAG-753
14.5.2. - CONTROL CENTRES WITH PROCESS COMPUTERS FOR CENTRAL
NETWORK MANAGEMENT…………………………………………………………………….PAG-755
14.5.3. - CONTROL CENTRES, DESIGN AND EQUIPMENT…………………………………………...PAG-760
14.5.4. - TELECONTROL AND TELECONTROL SYSTEMS………………………………………….…PAG-763
14.5.5. - TRANSMISSION TECHNIQUES………………………………………………………………....PAG-766
14.5.6. - TECHNICAL CONDITION FOR TELECONTROL SYSTEMS AND
INTERFACES WITH SUBSTATIONS…………………………………………………………....PAG-767
14.6. - LOAD MANAGEMENT, RIPPLE CONTROL…………………………………………………...PAG-771
14.6.1. - PURPOSE OF RIPPLE CONTROL AND LOAD MANAGEMENT………………………….…PAG-771
14.6.2. - PRINCIPLE AND COMPONENTS FOR RIPPLE-CONTROL
SYSTEMS…………………………………………………………………………….…………....PAG-772
14.6.3. - RIPPLE-CONTROL COMMAND CENTRE……………………………………….…………….PAG-774
14.6.4. - EQUIPMENT FOR RIPPLE CONTROL……………………………………………….….……...PAG-775
14.6.5. - RIPPLE CONTROL RECEIVERS…………………………………………………..…………….PAG-777
15. - SECONDARY INSTALLATIONS………………………………………………………………PAG-779
15.1. - STAND-BY POWER SYSTEMS…………………………………………………………………PAG-779
15.1.1. - OVERVIEW……………………………………………………………………………………….PAG-779
15.1.2. - STAND-BY POWER WITH GENERATOR SYSTEMS………………………………………...PAG-780
15.1.3. - UNINTERRUPTIBLE POWER SUPPLY WITH STAND-BY GENERATING
SETS (ROTATING UPS INSTALLATIONS)……………………………………………………PAG-783
15.1.4. - UNINTERRUPTIBLE POWER SUPPLY WITH STATIC RECTIFIERS
(STATIC UPS INSTALLATIONS)……………………………………………………………….PAG-785
15.2. - HIGH-SPEED TRANSFER DEVICES…………………………………………………………...PAG-792
15.2.1. - APPLICATIONS, USAGE, TASKS………………………………………………………………PAG-792
15.2.2. - INTEGRATION INTO THE INSTALLATION ………………………………………………….PAG-794
15.2.3. - DESIGN OF HIGH-SPEED TRANSFER DEVICES……………………………………………..PAG-794
15.2.4. - FUNCTIONALITY………………………………………………………………………………..PAG-795
15.2.5. - TYPES OF TRANSFER…………………………………………………………………………..PAG-795
15.3. - STATIONARY BATTERIES AND BATTERY INSTALLATIONS, DIN
VDE 0510 PART 2………………………………………………………………………………..PAG-798
15.3.1. - TYPES AND SPECIFIC PROPERTIES OF BATTERIES………………………………………PAG-798
15.3.2. - CHARGING AND DISCHARGING BATTERIES………………………………………………PAG-802
15.3.3. - OPERATING MODES FOR BATTERIES ………………………………………………………PAG-804
15.3.4. - DIMENSIONING BATTERIES…………………………………………………………………..PAG-805
15.3.5. - INSTALLING BATTERIES, TYPES OF INSTALLATION…………………………………….PAG-805
15.4. - INSTALLATIONS AND LIGHTING IN SWITCHGEAR INSTALLATIONS…………………PAG-806
15.4.1. - DETERMINING ELECTRICAL POWER DEMAND FOR EQUIPMENT……………………..PAG-806
15.4.2. - LAYOUT AND INSTALLATION SYSTEMS…………………………………………………..PAG-807
15.4.3. - LIGHTING INSTALLATIONS ………………………………………………………………….PAG-813
15.4.4. - FIRE ALARM SYSTEMS………………………………………………………………………..PAG-819
15.5. - COMPRESSED-AIR SYSTEMS SWITHGEAR INSTALLATIONS…………………………...PAG-821
15.5.1. - APPLICATION, REQUIREMENTS, REGULATIONS…………………………………………PAG-821
15.5.2. - PHYSICAL BASIS……………………………………………………………………………….PAG-821

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15.5.3. - DESIGN OF COMPRESSED-AIR SYSTEMS…………………………………………………..PAG-824
15.5.4. - RATED PRESSURES AND PRESSURES RANGES…………………………………………...PAG-825
15.5.5. - CALCULATING COMPRESSED AIR GENERATING AND STORAGE
SYSTEMS………………………………………………………………………………………...PAG-826
15.5.6. - COMPRESSED AIR DISTRIBUTION SYSTEMS……………………………………………...PAG-828
16. - MATERIALS AND SEMI-FINISHED PRODUCTS FOR SWITCHGEAR
INSTALLATIONS………………………………………………………………………………..PAG-829
16.1. - IRON AND STEEL……………………………………………………………………………….PAG-829
16.1.1. - STRUCTURAL STEEL, GENERAL……………………………………………………………..PAG-829
16.1.2. - DIMENSIONS AND WEIGHTS OF STEEL BARS AND TUBES……………………………..PAG-830
16.1.3. - STRESSES IN STEEL COMPONENTS…………………………………………………………PAG-837
16.2. - NON-FERROUS METALS ……………………………………………………………………...PAG-837
16.2.1. - COPPER FOR ELECTRICAL ENGINEERING…………………………………………………PAG-837
16.2.2. - ALUMINIUM FOR ELECTRICAL ENGINEERING…………………………………………...PAG-837
16.2.3. - BRASS……………………………………………………………………………………………PAG-838
16.3. - INSULATING MATERIALS………………………………………………………………….....PAG-839
16.3.2. - LIQUID INSULATING MATERIALS…………………………………………………………..PAG-844
16.3.3. - GASEOUS INSULATING MATERIALS………………………………………………………..PAG-845
16.4. - SEMI-FINISHED PRODUCTS…………………………………………………………………..PAG-845
16.4.1. - DIMENSIONS AND WEIGHTS OF METAL SHEETS, DIN EN 10130……………………….PAG-845
16.4.2. - SLOTTED ATEEL STRIP………………………………………………………………………..PAG-846
16.4.3. - SCREWS AND ACCESSORIES………………………………………………………………...PAG-847
16.4.4. - THREADS FOR BOLTS AND SCREWS……………………………………………………….PAG-849
16.4.5. - THREADS FOR ELECTRICAL ENGINEERING………………………………………………PAG-850
17. - MISCELLANEOUS……………………………………………………………………………..PAG-851
17.1. - DIN VDE SPECIFICATIONS AND IEC PUBLICATIONS FOR
SUBSTATION DESIGN…………………………………………………………………………PAG-851
17.2. _ APPLICATION OF EUROPEAN DIRECTIVES TO HIGH-VOLTAGE
SWITCHGEAR INSTALLATIONS CE MARK…………………………………………………PAG-887
17.3. - QUALITY IN SWITCHGEAR…………………………………………………………………...PAG-887
17.4. - NOTABLE EVENTS AND ACHIEVEMENTS IN THE HISTORY
OF ABB SWITCHGEAR TECHNOLOGY………………………………………………………PAG-889