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GB/T 32507-2024: Power quality - Terminology
Status: Valid GB/T 32507: Evolution and historical versions
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Power quality - Terminology
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GB/T 32507-2024
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| GB/T 32507-2016 | English | 1019 |
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Power quality -- Terms
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Basic data | Standard ID | GB/T 32507-2024 (GB/T32507-2024) | | Description (Translated English) | Power quality - Terminology | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K04 | | Classification of International Standard | 29.020 | | Word Count Estimation | 58,531 | | Date of Issue | 2024-12-31 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 32507-2016 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 32507-2024: Power quality - Terminology---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 29.020
CCSK04
National Standard of the People's Republic of China
Replace GB/T 32507-2016
Power Quality Terminology
Released on 2024-12-31
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Basic terms of power quality 1
3.1 General terms 1
3.2 Supply voltage 6
3.3 System frequency 6
3.4 Three-phase unbalance 7
3.5 Voltage Fluctuation and Flicker 8
3.6 Harmonics, interharmonics and waveform distortion 9
3.7 Temporary overvoltage and transient overvoltage 13
3.8 Voltage swell, voltage sag and short-term interruption 14
3.9 DC power distribution 16
4 Measurement, monitoring and evaluation methods17
5 Grounding and Shielding 22
6 Governance technologies and methods 25
7 Electromagnetic compatibility 29
8 Others31
Reference 33
Index 35
Figure 1 Schematic diagram of harmonic group and interharmonic group 19
Figure 2 Example of harmonic subgroups and interharmonic center subgroups 20
Figure 3 AC TN-S system 24
Figure 4 AC TN-C system 24
Figure 5 AC TN-CS system 24
Figure 6 AC TT system 24
Figure 7 Communication IT system 25
Foreword
This document is given in accordance with GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Rule drafting.
This document replaces GB/T 32507-2016 "Power Quality Terminology". Compared with GB/T 32507-2016, the main technical changes are.
--- Changed the relevant content of Chapter 1 (see Chapter 1, Chapter 1 of the.2016 edition);
--- Changed the name of 3.8 to "voltage swell, voltage dip and short interruption" (see 3.8, 2.8 of the.2016 edition);
--- Changed the name of Chapter 4 to "Measurement, Monitoring and Evaluation Methods" (see Chapter 4, Chapter 3 of the.2016 edition);
--- Changed the terminology items. 3.1.1 Power quality, 3.1.2 Power supply quality, 3.1.3 Power quality, 3.1.6 Power quality assessment,
3.1.7 Power supply reliability, 3.1.8 Equipment rated voltage, 3.1.9 System nominal voltage, 3.1.10 Voltage characteristics, 3.1.11 Voltage tolerance
(for equipment), 3.1.13 voltage transfer coefficient, 3.1.14 trip voltage, 3.1.15 recovery time, 3.1.27 short circuit ratio, 3.1.18 metering
point, 3.1.19 power supply connection impedance, 3.1.20 important load, 3.1.24 sensitive load/voltage sensitive load, 3.1.25 fluctuating load,
3.1.26 Short-circuit capacity, 3.1.30 Displacement power factor/phase-shift power factor, 3.1.31 Single-phase equipment, 3.1.32 Phase-to-phase equipment,
3.1.33 Three-phase equipment, 3.1.34 Balanced three-phase equipment, 3.1.35 Unbalanced three-phase equipment, 3.1.37 Phase shift, 3.1.38 Capacitance
Tolerance curve/equipment sensitivity curve, 3.1.39 Non-permanent fault, 3.1.40 Impact transient, 3.1.41 Oscillation transient,
3.1.42 Low frequency oscillation transient, 3.1.43 Medium frequency oscillation transient, 3.1.44 High frequency oscillation transient, 3.1.45 Surge, 3.1.46 Peak value
number (periodic quantity), 3.1.47 instantaneous, 3.1.48 temporary, 3.1.49 short-term, 3.1.50 long-term/continuous, 3.2.1 power supply point,
3.2.2 Supply voltage, 3.2.3 Nominal supply voltage, 3.2.4 Voltage deviation, 3.2.5 Undervoltage, 3.2.7 Voltage qualification rate, 3.3.4 Frequency
3.4.2 Positive sequence component, 3.4.3 Negative sequence component, 3.4.4 Zero sequence component, 3.4.5 Unbalance, 3.5.1 Voltage RMS
Value curve, 3.5.2 Voltage variation, 3.5.3 Voltage fluctuation, 3.5.4 Voltage variation characteristics, 3.5.5 Steady-state voltage variation, 3.5.7 Flash
3.5.8 Short-time flicker value, 3.5.9 Long-time flicker value, 3.6.1 Waveform distortion, 3.6.2 Waveform quality, 3.6.3 Fundamental frequency,
3.6.4 Fundamental component, 3.6.5 Harmonic source, 3.6.6 Harmonic component, 3.6.11 System harmonic impedance, 3.6.12 Impedance frequency characteristics,
3.6.16 Interharmonic frequency, 3.6.17 Notch/gap, 3.6.18 Characteristic harmonic, 3.6.19 Non-characteristic harmonic, 3.6.20 Quasi-steady-state harmonic
3.6.22 Interharmonic component, 3.6.23 Harmonic content (voltage or current), 3.6.24 Harmonic content rate, 3.6.25 Harmonic probability density
3.6.26 Total harmonic distortion rate, 3.6.27 Partial weighted harmonic distortion rate, 3.6.28 Maximum demand load current, 3.6.29 Total demand
3.6.30 Harmonic resonance, 3.6.32 Background noise, 3.6.34 DC bias, 3.6.35 Telephone interference factor, 3.6.39 Interference factor
Harmonic group frequency, 3.6.40 interharmonic center subgroup frequency, 3.7.1 system maximum voltage, 3.7.2 system minimum voltage, 3.7.3 overvoltage
voltage, 3.7.4 temporary overvoltage, 3.7.5 transient overvoltage, 3.7.7 temporary withstand overvoltage, 3.7.10 short-time power frequency withstand voltage,
3.8.1 Voltage swell, 3.8.2 Voltage dip, 3.8.3 Short-term interruption, 3.8.4 Dip threshold, 3.8.5 Swell threshold, 3.8.6 Interruption threshold
value, 3.8.10 reference voltage, 3.8.11 sliding reference voltage, 3.8.12 residual voltage, 3.8.13 voltage sag depth, 3.8.14 delay
hysteresis, 3.8.15 duration, 3.8.17 phase jump, 3.8.19 critical distance, 3.8.20 temporary drop range, 3.8.21 voltage interruption,
3.8.22 Voltage sag immunity/voltage sag immunity/voltage sag tolerance characteristics, 4.1 Power quality analyzer, 4.2 Power
Quality monitoring equipment, 4.4 Power quality monitoring system, 4.5 Continuous power quality disturbance, 4.6 Event-type power quality disturbance,
4.7 Refresh voltage RMS value every half cycle, 4.8 Mark data, 4.9 Synchronous sampling, 4.11 Time aggregation, 4.12 Power quality index
Data exchange format, 4.13 Measurement uncertainty, 4.14 Reproducibility (of measurement results), 4.16 Frequency domain measurement method for harmonics,
4.17 Time domain measurement method for harmonics, 4.18 Measurement method for interharmonics, 4.20 RMS value of harmonic groups, 4.21 Total harmonics of harmonic groups
Distortion rate, 4.22 RMS value of harmonic subgroup, 4.23 total distortion rate of harmonic subgroup, 4.24 RMS value of interharmonic group,
4.25 RMS value of the central subgroup of interharmonics, 4.27 Spectrum leakage, 4.29 Minimum operation mode, 4.30 Monitoring and evaluation, 4.31 Prediction
Assessment, 5.5 Protective grounding, 5.6 System grounding, 5.8 Anti-static grounding, 5.9 Grounding grid, 5.10 Grounding conductor/grounding wire,
5.11 Grounding device, 5.13 Protective conductor, 5.14 Protective neutral conductor, 5.15 Equipotential bonding, 5.21 TN grounding system,
5.24 Shielding, 5.25 Electromagnetic Shielding, 5.26 Shielding Layer, 6.1 Flexible Power Distribution Technology, 6.4 Power Converter/Power Converter,
6.5 Rectifier, 6.6 Inverter, 6.7 Series capacitor compensation device, 6.9 Dynamic reactive power compensation equipment, 6.10 Static reactive power compensation
Device, 6.11 Static Synchronous Compensator, 6.13 Thyristor Controlled Reactor, 6.14 Thyristor Controlled Transformer, 6.15 Magnetron Controlled Reactor
Reactor, 6.16 Thyristor switched reactor, 6.17 Thyristor switched capacitor, 6.18 Dynamic voltage restorer, 6.20 Passive filter
6.21 Single-tuned filter, 6.22 Double-tuned filter, 6.25 Static switch, 6.26 Transfer switch, 6.27 Static
Stop switch/solid-state transfer switch, 6.29 uninterruptible power supply, 6.30 emergency backup power supply system, 7.1 electromagnetic environment, 7.2 electrical
Magnetic disturbance, 7.3 Electromagnetic compatibility, 7.4 Electromagnetic compatibility level, 7.5 Electromagnetic planning level, 7.6 Electromagnetic disturbance level, 7.8 Electromagnetic sensitivity
Sensitivity, 7.9 Electromagnetic Interference, 7.10 Conducted Disturbance, 7.11 Power Disturbance, 7.12 Radiated Disturbance, 7.13 Impact Disturbance, 7.14 Immunity
level, 7.15 immunity limit, 7.16 immunity margin, 7.18 electromagnetic emission, 7.19 emission level of disturbance source, 7.20 disturbance source
Emission limit, 7.21 compatibility margin, 7.22 interference limit, 7.23 common mode voltage, 7.24 differential mode voltage, 8.2 power consumption information collection
system, 8.3 Wide-area measurement system, 8.4 Demand-side management, 8.5 Demand response, 8.7 Distributed generation, 8.11 Ferroresistance (see
2.1.1, 2.1.2, 2.1.3, 2.1.6, 2.1.7, 2.1.9, 2.1.10, 2.1.11, 2.1.12, 2.1.14, 2.1.16, 2.1.17,.2016 edition
2.1.20, 2.1.21, 2.1.22, 2.1.26, 2.1.27, 2.1.28, 2.1.29, 2.1.32, 2.1.34, 2.1.35, 2.1.36, 2.1.37,
2.1.38, 2.1.40, 2.1.41, 2.1.42, 2.1.43, 2.1.44, 2.1.46, 2.1.47, 2.1.48, 2.7.3, 2.1.49, 2.8.11, 2.8.12,
2.8.13, 2.8.14, 2.2.1, 2.2.2, 2.1.15, 2.2.3, 2.2.4, 2.2.6, 2.3.4, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.5.2,
2.5.3, 2.5.1, 2.5.4, 2.5.5, 2.5.7, 2.5.8, 2.5.9, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.7, 2.6.13,
2.6.14, 2.6.19, 2.6.26, 2.6.27, 2.6.28, 2.6.29, 2.6.20, 2.6.15, 2.6.21, 2.6.11, 2.6.22, 2.6.23,
2.6.24, 2.6.25, 2.6.30, 2.6.33, 2.6.35, 2.6.36, 2.6.40, 2.6.41, 2.7.1, 2.7.2, 2.7.4, 2.7.5, 2.7.6,
2.7.8, 2.7.11, 2.8.2, 2.8.1, 2.8.16, 2.8.3, 2.8.4, 2.8.21, 2.8.17, 2.8.20, 2.8.18, 2.8.19, 2.8.5,
2.8.6, 2.8.7, 2.8.8, 2.8.9, 2.8.10, 2.8.22, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.10, 3.14, 3.15,
3.16, 3.23, 3.24, 3.25, 3.28, 2.6.38, 3.29, 2.6.39, 3.30, 3.31, 3.33, 3.18, 3.19, 3.20, 4.5, 4.4, 4.7,
4.8, 4.9, 4.10, 4.13, 4.14, 4.15, 4.24, 6.21, 6.22, 6.23, 5.1, 5.5, 5.3, 5.4, 5.6, 5.8, 5.9, 5.10, 5.12,
5.13, 5.14, 5.15, 5.16, 5.17, 5.21, 5.22, 5.23, 5.25, 5.26, 5.27, 5.29, 5.30, 6.1, 6.5, 6.2, 6.3, 6.4,
6.6, 6.7, 6.8, 6.9, 6.10, 6.11, 6.12, 6.13, 6.14, 6.15, 6.17, 6.18, 6.19, 6.20, 6.24, 6.25, 6.26, 7.2,
7.4, 7.6, 7.7, 7.10, 2.6.31);
--- Added terminology items. 3.4.1 Three-phase unbalance, 3.6.21 Ultra-high harmonics, 3.6.37 Harmonic group, 3.6.38 Harmonic subgroup, 3.8.7
Voltage swell amplitude, 3.8.8 multiple sags, 3.8.9 multi-stage voltage sags, 3.8.16 voltage sag start angle, 3.8.18 frequency,
3.8.23 System average root mean square value change frequency index/SARFI index, 3.9.1 DC power distribution system, 3.9.2 DC power supply system
voltage, 3.9.3 DC voltage deviation, 3.9.4 ripple, 4.3 power quality monitoring station, 4.32 voltage sag severity assessment, 5.4
Functional grounding, 5.16 Neutral point grounding method, 5.17 Neutral point direct grounding system, 5.18 Neutral point ungrounded system, 5.19
Neutral impedance grounding system, 5.20 neutral arc suppression coil grounding system, 6.3 high-quality power park, 6.24 unified power quality
regulator, 7.7 immunity to interference, 8.8 low frequency oscillation, 8.9 subsynchronous oscillation, 8.10 supersynchronous oscillation;
--- Deleted the terminology items. power supply reliability, total power factor/true power factor, fast transient, harmonic measurement point, ultra-fast transient
Voltage, temporary interruption, 150-cycle accumulation, 10-minute accumulation, 2-hour accumulation, simulation of the lamp-eye-brain reaction chain, external conductive parts
points, ungrounded system, direct grounding, effective grounding, reactance grounding, resistance grounding, high resistance grounding, low resistance grounding, grounding system, high
Level measurement system, intelligent interactive terminal, monitoring and data acquisition, power grid self-healing function (see 2.1.8, 2.1.33,.2016 edition)
2.1.45, 2.6.6, 2.7.12, 2.8.15, 3.11, 3.12, 3.13, 3.27, 4.11, 4.16, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22,
4.23, 7.3, 7.5, 7.9, 7.11).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Voltage, Current Levels and Frequency (SAC/TC1).
This document was drafted by. Sichuan University, North China Electric Power University, China Machinery Productivity Promotion Center Co., Ltd., Wuhan University, Beijing Jiaotong University
China Railway Engineering Design Consulting Group Co., Ltd., China Electric Power Research Institute Co., Ltd., China Southern Power Grid Co., Ltd.
China Electricity Council, China Energy Engineering Group Guangdong Electric Power Design Institute, Shenzhen
Shenzhen China Electric Power Technology Co., Ltd., State Grid Shanghai Electric Power Company Electric Power Research Institute, China Railway Fourth Survey and Design Institute Group Co., Ltd.
Company, State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute, Shandong University, Southwest Jiaotong University, Xi'an Boyu Electric Co., Ltd.,
Jiangsu Electric Power Co., Ltd. Electric Power Research Institute, Hunan University, State Grid Shanxi Electric Power Company Electric Power Research Institute, Xiamen Yixin Technology
Technology Co., Ltd., Fuzhou University, Anhui University, China Railway Shanghai Design Institute Group Co., Ltd., Guangdong Power Grid Co., Ltd. Electric Power Science Research Institute
Institute, State Grid Heilongjiang Electric Power Co., Ltd. Electric Power Research Institute, State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute, State Grid Chongqing Electric Power Co., Ltd.
Electric Power Research Institute of Municipal Electric Power Company, Electric Power Research Institute of State Grid Hebei Electric Power Co., Ltd., Guangzhou Power Supply Bureau of Guangdong Power Grid Co., Ltd.
Electric Power Research Institute, Electric Power Research Institute of Guangxi Power Grid Co., Ltd., Electric Power Science Research Institute of State Grid Inner Mongolia Eastern Electric Power Co., Ltd.
Institute, State Grid Henan Electric Power Company Electric Power Research Institute, and Anhui Anda Qingneng Electric Technology Co., Ltd.
The main drafters of this document are. Wang Ying, Xu Yonghai, Zhang Ping, Xiao Xianyong, Chen Hongkun, Wu Mingli, Zhong Qing, Liu Jing, Wei Hongwei, Li Shusen, Xiao Yao,
Zhou Shengjun, Lu Chonghui, Chen Zhigang, Wang Yang, Li Jing, Wang Xin, Feng Qian, Huang Zuping, Xu Shuangting, Sun Yuanyuan, Xie Shaofeng, Liu Juncheng, Yuan Xiaodong, Xiao Fan,
Zhang Min, Yan Kunyi, Zhang Yi, Luo Liping, Ding Tong, Ma Ming, Wang Lei, Xu Qunwei, Ma Xing, Zhou Wen, Ma Zhiyuan, Zhou Ke, Liu Chunhui, Wang Yi, and Gao Min.
This document was first published in.2016 and this is the first revision.
Power Quality Terminology
1 Scope
This document defines terms and definitions related to the field of power quality.
This document applies to relevant areas of power quality technology and management in the production, transmission, distribution, storage and use of electricity.
2 Normative references
This document has no normative references.
3 Basic terms of power quality
3.1 General terms
3.1.1
Power qualitypowerquality
The electrical characteristics at a specified point in the power system are related to the various indicators of voltage, current, and frequency that affect the normal operation (or operation) of electrical equipment.
The degree of deviation from the benchmark technical parameters.
Note. Benchmark technical parameters generally refer to the index values under ideal power supply conditions. These parameters may involve the compatibility between power sources, power grids and loads.
3.1.2
Power supply quality quality of power supply
A general term for power supply voltage quality, power supply reliability, and power supply service quality.
Note. Refers to the main responsibility of the power supplier in the interaction and influence between the electricity user and the power supplier.
3.1.3
A general term for the interference level of user power load on the public power grid, power factor and non-technical factors.
Note 1.Electricity quality refers specifically to the main responsibility of the electricity user in the interaction and influence between the electricity user and the power supplier.
Note 2.The interference mainly includes harmonic current, interharmonic current, negative sequence current, zero sequence current, power fluctuation, etc.
Note 3.Non-technical factors mainly include using electricity according to regulations and paying electricity bills on time.
3.1.4
Voltage qualityvoltagequality
The degree to which various indicators of actual voltage deviate from the benchmark technical parameters.
3.1.5
Current quality currentquality
The degree to which various indicators of actual current deviate from the benchmark technical parameters.
3.1.6
The process of evaluating various power quality indicators through modeling simulation and/or power quality monitoring.
3.1.7
The ability of a power supply system to continuously supply power to users.
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