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GB/T 17215.811-2017: Electricity metering equipment ((a.c.) -- Acceptance inspection -- Part 11: General acceptance inspection methods
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Electricity metering equipment ((a.c.) -- Acceptance inspection -- Part 11: General acceptance inspection methods
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GB/T 17215.811-2017
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Basic data | Standard ID | GB/T 17215.811-2017 (GB/T17215.811-2017) | | Description (Translated English) | Electricity metering equipment ((a.c.) -- Acceptance inspection -- Part 11: General acceptance inspection methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N22 | | Classification of International Standard | 17.220.20 | | Word Count Estimation | 66,667 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 17215.811-2017: Electricity metering equipment ((a.c.) -- Acceptance inspection -- Part 11: General acceptance inspection methods
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Electricity metering equipment(AC)-Acceptance inspection-Part 11. General acceptance inspection methods
ICS 17.220.20
N22
National Standards of People's Republic of China
Partial substitution for GB/T 3925-1983, GB/T 17442-1998
AC power measurement equipment acceptance inspection
Part 11. General acceptance test methods
Electricity meteringequipment(AC)-Acceptanceinspection-
Part 11.General acceptance inspection methods
(IEC 62058-11.2008, IDT)
Published on.2017-12-29
2018-07-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Directory
Foreword V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
3.1 Data Source 1
3.2 Sample Type 3
3.3 Specifications, Values, and Test Results 3
3.4 Inspection Type 4
3.5 Type 6 Acceptance Sampling Inspection
3.6 Relevant Terms of Acceptance Sampling Inspection System 6
3.7 Reception criteria 7
3.8 Type 8 operating characteristic curve
3.9 Terms related to operational characteristics 9
3.10 Check Out Quality Concept 11
3.11 Other Terms 11
4 Symbols and Abbreviations 12
4.1 Symbol 12
4.2 Abbreviations 13
5 General rule 13
5.1 Acceptance Test Target 13
5.2 Acceptance Sampling Plans, Plans and Systems 14
5.3 Practical and Economic Advantages of Using Standard Sampling Plans 14
5.4 Agreement of All Parties 15
5.5 Selection of Sampling Plans and Sampling Plans 15
5.6 Considerations for Impact Selection 16
5.7 Disqualification and Nonconformance 18
5.8 Unqualified classification 18
5.9 Operating Characteristics (OC) Curves 18
5.10 Producer Risk (PR) and Consumer Risk (CR) 18
5.11 AQL, PRQ, LQ, and CRQ 18
5.12 Transfer Rules for Normal Inspection, Strict Inspection and Relaxation Inspection 19
5.13 Inspection Level 20
5.14 sample size code 20
5.15 Inspection Site 21
5.16 Submission of Acceptance Inspection Products 21
5.17 sample extraction 21
5.18 Batch Acceptability 21
6 100% inspection 22
6.1 Application of this method 22
6.2 Batch and Receive Number 22
6.3 Receiving and not receiving 22
7 batch-by-lot inspection 23
7.1 Method Application 23
7.2 Sample extraction 23
7.3 Level of inspection 23
7.4 Sampling plan 23
7.5 Normal, tightened and relaxed inspections (see 5.12) 27
7.6 Operating Characteristics (OC) Curves 28
7.7 Process Average 31
7.8 Average Outgoing Quality (AOQ) 31
7.9 Average Quality of Detection (AOQL) 31
7.10 Consumer Risk (CR) 32
7.11 Producer Risk (PR) 33
8 Isolated Batch Test 34
8.1 Application Method 34
8.2 Provisions Procedure 34
8.3 Limit Quality 34
8.4 Procedure A 35
8.5 Program B 37
8.6 Rules Received and Not Received 38
9 batch inspection 38
9.1 Application Method 38
9.2 Producer Qualification 39
9.3 Product Qualification 39
9.4 Detailed Procedure 39
10 batch measurement inspection 39
10.1 Application Method 39
10.2 Choice Between "s Method" and "σ Method" 40
10.3 Standard Plan 40
10.4 Preparation 40
10.5 Standard multivariable "s method" program with independent quality characteristics of combination control 41
10.6 Independent Characteristics with Combination Control Standard Multivariable “σ Method” 45
10.7 Procedures for Continuous Inspection 46
10.8 Normality and Outliers 46
10.9 Record 46
10.10 Normal, tightened and relaxed inspections (see 5.12) 47
10.11 Inspection and Restoration 47
10.12 Conversion between "s Method" and "σ Method" 47
10.13 Consumer Protection 48
10.14 Operating Characteristic Curve 49
10.15 Consumer Risk (CR) 51
10.16 Producer Risk (PR) 53
Appendix A (Normative) Random Number 54
Appendix B (Normative Appendix) Obtaining s or σ Programs 57
References 58
Figure 1 Sampling plan and program selection process 16
Figure 2 Transfer Rules Figure 20
Fig. 3 OC curve of one sampling scheme with AQL=1.0 (normal inspection) 29
Fig. 4 OC curve of one sampling scheme with AQL=1.0 (tightened test) 29
Fig. 5 Ac=0 sampling scheme OC curve 30
Figure 6 Operation curve of a sampling plan for non-critical nonconforming items (Procedure B) 37
Figure 7 Normal test OC curve for AQL=1.0 49
Figure 8 Strictly Tested OC Curve for AQL = 1.0
Figure 9 AQL = 1.0 relaxation test OC curve 51
Table 1 Number of Acceptances for the 100% Inspection Ac 22
Table 2 One-time sampling plan for normal, tightened and relaxed tests (AQL=1.0) 23
Table 3 Example 1 (Batch 80, Inspection Level II) 24
Table 4 Example 2 (Batch 400, Inspection Level II) 24
Table 5 Example 3 (Batch 800, Inspection Level III) 25
Table 6 Sampling scheme for key nonconformities (Ac=0) 25
Table 7 Secondary sampling plan for normal, tightened and relaxed tests (AQL=1.0) 26
Table 8 Calculation of Transfer Score 28
Table 9 One-time sampling OC curve list value of AQL=1.0
Table 10. Single sampling scheme for Ac=0 List of OC curves (normal inspection) 31
Table 11 Upper limit of average detection quality (AOQL) for AQL=1.0 31
Table 12 Average Detection Upper Limit (AOQL) of Ac=0 for Sampling Plans
Table 13 Consumer risk quality (CRQ) 32 for the AQL=1.0 scheme
Table 14 Consumer Risk Quality (CRQ) for Zero Receiver Plan 33
Table 15 Producer Risk (PR) with AQL=1.0 33
Table 16 Producer Risk (PR) for Zero Receiver Plan 34
Table 17 Sampling plans for non-critical nonconformities (Procedure A, LQ=5.0) 35
Table 18 Sampling Plan for Critical Nonconformities (Procedure A) 36
Table 19 Receiving Probability of Zero Receiver Scheme 36
Table 20 One sampling plan for non-critical nonconformities (Procedure B, LQ=5.0) 37
Table 21 Equivalent sample size for one sampling and subsampling38
Table 22 Equivalent acceptances for one sampling and subsampling38
Table 23 Sample size of “s method” and “σ method” (AQL=1.0) 40
Table 24 S-method sampling plan 41
Table 25 Value of αn 43
Table 26 “Sigma method” sampling plan 45
Table 27 Receiving Constants for Relaxation Inspection Qualification 47
Table 28 The cU value of the control limit on sample standard deviation 48
Table 29 Normally Tested OC Curve Table Column Values for AQL=1.0 49
Table 30 Strictly Tested OC Curve Table AQL=1.0 Column Value 50
Table 31 Relaxation check OC curve table column value 51 for AQL=1.0
Table 32 Consumer Risk Quality of “s Method” 52
Table 33 Consumer Risk Quality (CRQ) for the σ Method 52
Table 34 Producer Risk (s) of “S Method” 53
Table 35 Producer Risk (PR) for “σ Method” 53
Table A.1 Random Number 54
Foreword
GB/T 17215.8 "Acceptance Inspection of AC Measurement Equipment" is divided into the following three parts.
--- Part 11. General Acceptance Test Methods;
--- Part 21. Special requirements for electromechanical active energy meters (Class 0.5, Class 1, and Class 2);
--- Part 31. Particular requirements for static active energy meters (0.2S, 0.5S, 1 and 2).
This part is Part 11 of GB/T 17215.8.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This section partially replaces GB/T 3925-1983 "Acceptance Method for Class 2.0 AC Wattmeter" and GB/T 17442-1998 "Level 1 and
Level 2 Direct Access Static Power Meter Acceptance Test. Comparing with GB/T 3925-1983 and GB/T 17442-1998
The technical changes are as follows.
--- Related to sampling plans, inspection methods, and acceptance criteria in GB/T 3925-1983 and GB/T 17442-1998
The contents are unified into this section. Test requirements and test methods are specified in Parts 821 and 831 of this standard, respectively;
--- According to ISO 2859 and ISO 3951, modified count sampling inspection procedures and measurement sampling inspection procedures;
--- In accordance with the strictness of inspections, the inspections are divided into normal inspections, relaxed inspections, tightened inspections, and the transfer criteria are stipulated;
--- specifies the selection criteria for batch-by-batch inspection, batch-batch inspection and isolated batch inspection;
--- The standard deviation method (sigma method), sample standard deviation method (s method) and its acquisition procedure are defined for the measurement and acceptance sampling inspection;
--- Specifies acceptance criteria for acceptance testing;
---Distinguish key non-conformities and non-critical non-conformities;
--- Modify the implementation process of measurement test and count test, and stipulate its statistical parameters;
--- Defines the degree of influence of the risk quality of the producer and the risk quality of the consumer on the receiving quality;
--- Modified the random number table.
This section uses the translation method equivalent to the use of IEC 62058-11.2008 "acceptance test of AC measuring equipment, part 11. general test
Receive inspection method."
This section also made the following editorial changes.
--- Modify the index U, wU, yU, tU, pU, etc. of the second set of wU formulas in the calculation example of 10.5.5 to L;
--- Modify the data used in Figure 9 to the values in Table 31.
Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents.
This part is proposed by China Machinery Industry Federation.
This part is under the jurisdiction of the National Electrical Instrumentation Standardization Technical Committee (SAC/TC104).
This section was drafted by. State Grid Hubei Electric Power Company Electric Power Research Institute, Shenzhen Kelu Electronic Technology Co., Ltd., Hal
Bin Institute of Electrical Instrumentation, China University of Metrology, Shanghai Everfort Electronic Technology Co., Ltd., Yantai Dongfang Weston Electric Co., Ltd., Shenzhen
Aerospace Tairuijie Electronics Co., Ltd., Hangzhou Haixing Power Technology Co., Ltd., Shanghai Institute of Metrology and Measurement Technology, National Electrician
Instrumentation Quality Supervision and Inspection Center, Luzhou Keeng Electric Co., Ltd., Shenzhen Jiangji Industrial Co., Ltd., Wasion Group Co., Ltd., China
Li Technology Co., Ltd., Ningbo Samsung Medical Electric Co., Ltd., Hangzhou Baifu Electronic Technology Co., Ltd., Jiangsu Linyang Energy Stocks
Co., Ltd., Jiangsu Kaouwanhao Electronics Co., Ltd., Wuhan Zhongyuan Electronic Information Co., Ltd., Heilongjiang Electric Instrument Technology Engineering Technology
Technology Research Center Co., Ltd., Xi'an Liangli Instrument and Meter Co., Ltd., Zhejiang Chentai Technology Co., Ltd., Hangzhou Xili Intelligence Branch
Technology Co., Ltd., Electric Power Research Institute of Yunnan Power Grid Co., Ltd., State Grid Jiangsu Electric Power Company Electric Power Research Institute.
The main drafters of this section. Shen Li, Zhang Dengqing, Hong Tao, Li Wanhong, Luo Yurong, Wang Wenguo, Liu Qiang, Li Xiangfeng, Shi Leibing, Shao Fengyun,
Xu Huifeng, Sun Shijie, Xiong Lanying, Song Xiqiang, Lin Xiaoyan, Liang Guangwei, Chen Wenxin, Peng Jianzhong, Zhu Hao, Zou Dechen, Li Hongwei, Zhang Linqiao,
Gan Yiyi, Ai Ni, Xiang Chao, Fang Li, Cao Min, and Xu Qing.
The previous versions of the standards replaced in this section were.
---GB/T 3925-1983;
--- GB/T 17442-1998.
AC power measurement equipment acceptance inspection
Part 11. General acceptance test methods
1 Scope
This part of GB/T 17215 specifies a generic method for acceptance testing of AC measuring equipment.
This section applies to the production and supply of batches of not less than 50 newly manufactured energy meters.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 2828.1-2012 Count sampling inspection procedures Part 1. Batch inspection sampling based on AQL
Plan (ISO 2859-1.1999, IDT)
GB/T 2828.3-2008 Count sampling inspection procedures Part 3. Skipping batch sampling procedures (ISO 2859-3.2005, IDT)
GB/T 3358.2-2009 Statistical vocabulary and symbols Part 2. Application statistics (ISO 3534-2.2006, IDT)
GB/T 4882-2001 Statistical processing and interpretation of data for normality testing (ISO 5479.1997, IDT)
GB/T 6378.1-2008 Measurement and Sampling Inspection Procedures Part 1. Qualitative Single Quality Retrieval Based on Acceptance Quality Limit (AQL)
Sampling scheme for batch-by-batch inspection of sex and individual AQL (ISO 3951-1.2005, IDT)
ISO 2859-2.1985 Count-sampling inspection program Part 2. Sampling scheme for isolated lot inspections by LQ test
[Samplingproceduresforinspectionbyattributes-Part 2.Samplingplansindexedbylimitingquality
(LQ)forisolatedlotinspection]
ISO 3951-2.2006 Measurement sampling inspection procedure Part 2. Individual quality characteristics searched for by acceptance quality limit (AQL)
Sampling procedures for inspection by variables-Part 2.
General specification forsinglesamplingplansindexedbyacceptancequalitylimit(AQL)forlot-by-
Lotinspectionofindependentqualitycharacteristics]
3 Terms and Definitions
The terms and definitions defined in GB/T 3358.2-2009 and the following apply to this document. For ease of use, the following is repeated
Some terms and definitions in GB/T 3358.2-2009.
Note. In this section, the term “instrument” refers to any type of measurement equipment within the scope of SAC/TC104/SC1, ie, active or reactive energy meters, time switches, and patterns.
Wave control receiver etc. The terms "customer" and "consumer" mean "manufacturer" and "supplier".
3.1 Sources of data
3.1.1
Characteristic characteristic
Features that can be distinguished.
Note 1. Characteristics can be inherent or given.
Note 2. Characteristics can be qualitative or quantitative.
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