Contents
Foreword 1
Contents 2
1 Scope 4
2 Normative references 4
3.General provisions 5
4 Symbols and Terms 5
4.1 Symbols 5
4.2 Terms 5
5 General measuring meters 7
5.1 General requirement 7
5.2 Current measure 8
5.3 Voltage measure and insulation monitor 9
5.4 Power measure 10
5.5 Frequency measure 11
5.6 Synchronized juxtaposition measure 11
5.7 The public electric measure of the plant (station) complex 11
5.8 Measure of static compensation device 12
5.9 The monitor of harmonics in public service electric network 13
6 Energy metering 13
6.1 General requirement 13
6.2 Measure of active and reactive energy 15
7 Electrical measuring in DC converter station 15
7.1 General requirement 15
7.2 DC parameter monitor 16
7.3 AC parameter monitor 16
7.4 Harmonics parameter monitor 17
7.5 Electric parameter record 17
7.6 Energy metering 17
8 The measure of computer monitor (control) system 17
8.1 General requirement 17
8.2 The data collection of computer monitor (control) system 18
8.3 General measuring meter in computer monitor 18
8.4 General measuring meter in computer control 18
9 Transducer of electrical measuring 18
10 Measure-service current, voltage transformers 19
10.1 Current transformer 19
10.2 Voltage transformer 19
11 Measuring secondary connection 21
11.1 AC current circuit 21
11.2 AC voltage circuit 21
11.3 Secondly measuring circuit 22
12 The installation conditions of instrumentation device 23
Appendix A 24
Appendix B 25
Appendix C 26
Appendix D 27
Appendix E 29
E.1 the symbols and explanations of Illustration-service 29
E.2 The measuring illustration of electrical measuring and energy metering (see table E.2.1~Table E.2.16) 30
Table E.2.1 The measuring illustration of generator excitation system in thermal power plant 30
Table E.2.2 The measuring illustration of generator and generator one transformer unit in thermal power plant 31
Table E.2.3 The measuring illustration of generator excitation system in hydraulic power plant 32
Table E.2.4 The measuring illustration of generator and generator one transformer unit in hydraulic power plant 32
Table E.2.5 The measuring illustration of double and three column transformer group in generator group 34
Table E.2.6 The measuring illustration of double and three column transformer group in substation 34
Table E.2.7 The measuring illustration of line in generator and substation 35
Table E.2.8 The measuring illustration of bus-bar device line in generator and substation 36
Table E.2.9 The measuring illustration of reactive compensation DEVICE in substation 37
Table E.2.10 The measuring illustration of DC parts in DC converter station 38
Table E.2.11 The measuring illustration of plant-service high/ low-voltage power supply in thermal power plant 39
Table E.2.12 The measuring illustration of plant-service high/ low-voltage power supply in hydraulic power plant 40
Table E.2.13 The measuring illustration of plant-service high / low voltage electromotor in thermal power plant 41
Table E.2.1.14 The measuring illustration of station-service power and electromotor in substation 42
Table E.2.15 The measuring illustration of DC power supply and electromotor in power plant and substation 43
Table E.2.16 The measuring illustration of public-service in power plant and substation 44
Foreword 1
Contents 2
1 Scope 4
2 Normative references 4
3.General provisions 5
4 Symbols and Terms 5
4.1 Symbols 5
4.2 Terms 5
5 General measuring meters 7
5.1 General requirement 7
5.2 Current measure 8
5.3 Voltage measure and insulation monitor 9
5.4 Power measure 10
5.5 Frequency measure 11
5.6 Synchronized juxtaposition measure 11
5.7 The public electric measure of the plant (station) complex 11
5.8 Measure of static compensation device 12
5.9 The monitor of harmonics in public service electric network 13
6 Energy metering 13
6.1 General requirement 13
6.2 Measure of active and reactive energy 15
7 Electrical measuring in DC converter station 15
7.1 General requirement 15
7.2 DC parameter monitor 16
7.3 AC parameter monitor 16
7.4 Harmonics parameter monitor 17
7.5 Electric parameter record 17
7.6 Energy metering 17
8 The measure of computer monitor (control) system 17
8.1 General requirement 17
8.2 The data collection of computer monitor (control) system 18
8.3 General measuring meter in computer monitor 18
8.4 General measuring meter in computer control 18
9 Transducer of electrical measuring 18
10 Measure-service current, voltage transformers 19
10.1 Current transformer 19
10.2 Voltage transformer 19
11 Measuring secondary connection 21
11.1 AC current circuit 21
11.2 AC voltage circuit 21
11.3 Secondly measuring circuit 22
12 The installation conditions of instrumentation device 23
Appendix A 24
Appendix B 25
Appendix C 26
Appendix D 27
Appendix E 29
E.1 the symbols and explanations of Illustration-service 29
E.2 The measuring illustration of electrical measuring and energy metering (see table E.2.1~Table E.2.16) 30
Table E.2.1 The measuring illustration of generator excitation system in thermal power plant 30
Table E.2.2 The measuring illustration of generator and generator one transformer unit in thermal power plant 31
Table E.2.3 The measuring illustration of generator excitation system in hydraulic power plant 32
Table E.2.4 The measuring illustration of generator and generator one transformer unit in hydraulic power plant 32
Table E.2.5 The measuring illustration of double and three column transformer group in generator group 34
Table E.2.6 The measuring illustration of double and three column transformer group in substation 34
Table E.2.7 The measuring illustration of line in generator and substation 35
Table E.2.8 The measuring illustration of bus-bar device line in generator and substation 36
Table E.2.9 The measuring illustration of reactive compensation DEVICE in substation 37
Table E.2.10 The measuring illustration of DC parts in DC converter station 38
Table E.2.11 The measuring illustration of plant-service high/ low-voltage power supply in thermal power plant 39
Table E.2.12 The measuring illustration of plant-service high/ low-voltage power supply in hydraulic power plant 40
Table E.2.13 The measuring illustration of plant-service high / low voltage electromotor in thermal power plant 41
Table E.2.1.14 The measuring illustration of station-service power and electromotor in substation 42
Table E.2.15 The measuring illustration of DC power supply and electromotor in power plant and substation 43
Table E.2.16 The measuring illustration of public-service in power plant and substation 44
