AS 1013-1971

1 - AS 1013-1971 SHUNT CAPACITORS FOR CONNECTION TO POWER FREQUENCY SYSTEMS - METRIC UNITS
4 - PREFACE
5 - CONTENTS
7 - SECTION 1. SCOPE AND SERVICE CONDITIONS
7 - 1.1 SCOPE.
7 - 1.2 NORMAL SERVICE CONDITIONS.
7 - 1.2.1 Temperature Limits.
7 - 1.2.2 Temperature Classification.
8 - 1.2.3 Standard Temperature Categories.
8 - 1.3 ABNORMAL SERVICE CONDITIONS.
9 - SECTION 2. DEFINITIONS
9 - 2.1 APPLICATION.
9 - 2.2 CAPACITOR.
9 - 2.3 CAPACITOR ELEMENT (or Element)
9 - 2.4 CAPACITOR UNIT (or Unit)
9 - 2.5 CAPACITOR BANK (or Bank)
9 - 2.6 CAPACITOR GROUP (or Group)
9 - 2.7 DISCHARGE DEVICE
9 - 2.8 RATED VOLTAGE
9 - 2.9 SYSTEM HIGHEST VOLTAGE
10 - 2.10 RATED POWER
10 - 2.11 RATED CURRENT
10 - 2.12 EXPOSED INSTALLATION
10 - 2.13 NON-EXPOSED INSTALLATION
10 - 2.14 INSULATION LEVEL
10 - 2.15 CAPACITOR LOSSES
10 - 2.16 TANGENT OF THE LOSS ANGLE
10 - 2.17 AMBIENT AIR TEMPERATURE
10 - 2.18 COOLING AIR TEMPERATURE
11 - SECTION 3. SAFETY REQUIREMENTS
11 - 3.1 DISCHARGE DEVICE.
11 - 3.2 FUSES.
11 - 3.3 REPEATED SWITCHING.
11 - 3.4 CONTAINER CONNECTION.
11 - 3.5 OTHER SAFETY REQUIREMENTS.
12 - SECTION 4. QUALITY REQUIREMENTS AND TESTS
12 - 4.1 QUALITY REQUIREMENTS FOR BUSHINGS AND INSULATORS.
12 - 4.2 REQUIREMENTS FOR ROUTINE, TYPE AND SAMPLE TESTS.
12 - 4.2.1 General.
12 - 4.2.2 Routine Tests.
13 - 4.2.3 Type Tests.
13 - 4.2.4 Sample Tests.
13 - 4.3 DETAILS OF ROUTINE TESTS.
13 - 4.3.1 Impregnant Leakage Test
14 - 4.3.2 Measurement of Capacitance and Losses
14 - 4.3.3 Determination of Reactive Power
15 - 4.3.4 A. C. or D. C. Voltage Test between Terminals
15 - 4.3.5 A. C. Voltage Test between Terminals and Container
15 - 4.3.6 Discharge Device Test
15 - 4.3.7 Determination of Reactive Power
16 - 4.3.8 Tests of Insulation in Capacitor Bank
16 - 4.4 DETAILS OF TYPE TESTS.
16 - 4.4.1 Measurement of Losses at Elevated Temperature
16 - 4.4.2 Thermal Stability Test
17 - 4.4.3 Impulse Voltage Test between Terminals and Container
17 - 4.4.4 A. C. Voltage Tests between Terminals and Container (Dry Test)
17 - 4.4.5 Short-circuit Discharge Test
19 - 4.5 DETAILS OF SAMPLE TEST.
20 - SECTION 5. INSULATION LEVELS
20 - 5.1 SELECTION OF INSULATION LEVELS.
20 - 5.2 INSULATION LEVELS FOR CAPACITORS DESIGNED TO WITHSTAND IMPULSE- VOLTAGE TESTS, INTENDED FOR EXPOSED INSTALLATION.
20 - 5.3 INSULATION LEVELS FOR CAPACITORS NOT DESIGNED TO WITHSTAND IMPULSE- VOLTAGE TESTS, INTENDED FOR NON- EXPOSED INSTALLATION
23 - SECTION 6. RATING PLATES
23 - 6.1 CAPACITOR UNIT RATING PLATE.
23 - 6.2 CAPACITOR BANK RATING PLATE.
24 - 6.3 SAFETY PLATES.
24 - 6.4 INSTRUCTIONS FOR MARKING.
24 - 6.4.1 Connection Symbol.
24 - 6.4.2 Marking of Insulation Level.
25 - SECTION 7. OVERLOADS
25 - 7.1 PERMISSIBLE OVERLOADS.
25 - 7.2 MAXIMUM PERMISSIBLE VOLTAGE.
25 - 7.3 MAXIMUM PERMISSIBLE CURRENT.
26 - APPENDIX A - GUIDE FOR APPLICATION AND OPERATION OF SHUNT POWER CAPACITORS
26 - A1 INTRODUCTION.
26 - A2 CHOICE OF THE RATED VOLTAGE.
26 - A2.1 General.
26 - A2.2 Determination of System Voltage at Capacitor Location.
27 - A2.3 Emergency Operation.
27 - A3 INSULATION LEVEL.
27 - A4 OPERATING TEMPERATURE.
27 - A4.1 Influence on Life of Capacitors.
27 - A4.2 Choice of Location and Effect on Rating.
28 - A4.3 Other Special Conditions.
28 - A5 OVERVOLTAGES.
28 - A5.1 Overvoltages Due to Switching.
28 - A5.2 Overvoltages Due to Lightning.
28 - A5.3 Overvoltages due to Motors.
28 - A5.4 Overvoltages in Capacitor Banks.
29 - A5.5 Overvoltages due to Harmonics.
29 - A6 OVERLOAD CURRENTS.
29 - A6.1 General.
29 - A6.2 Overload Currents Due to Harmonics.
30 - A6.3 Transient Overcurrent Due to Switching.
30 - A7 SWITCHING AND PROTECTIVE DEVICES AND CONNECTIONS.
30 - A7.1 Current Rating.
30 - A7.2 Electro-dynamic and Thermal Stresses.
30 - A7.3 Operation of Switching Devices.
31 - A7.4 Overcurrent Relays for Protection.
31 - A7.5 Causes of Overheating.
31 - A8 CAPACITORS CONNECTED TO SYSTEMS WITH AUDIO-FREQUENCY REMOTE CONTROL
32 - APPENDIX B - EFFECT OF HARMONICS ON CAPACITOR LOADING
32 - B1 GENERAL.
32 - B2 CALCULATION OF REACTIVE POWER
34 - APPENDIX C - APPLICATION OF FUSES FOR PROTECTION OF CAPACITORS
34 - C1 GENERAL.
34 - C2 EXTERNAL FUSING.
34 - C2.1 Capacitor Group Fusing
34 - C2.2 Capacitor Unit Fusing
35 - C2.3 Choice of External Fuses.
35 - C3 INTERNAL FUSING - CAPACITOR ELEMENT FUSING
35 - C4 CONTAINER RUPTURE.
42 - APPENDIX D - DETERMINATION OF REACTIVE POWER
43 - APPENDIX E - METHOD OF TEST FOR EFFICACY OF DISCHARGE DEVICE
44 - APPENDIX F - PARTICULARS TO BE GIVEN WITH ENQUIRY OR ORDER