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JJF 1617-2017 English PDF

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JJF 1617-2017: Calibration Specification for Electronic Instrument Transformers
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1617-2017	English	629	Add to Cart	5 days [Need to translate]	Calibration Specification for Electronic Instrument Transformers	Valid	JJF 1617-2017

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Basic data

Standard ID	JJF 1617-2017 (JJF1617-2017)
Description (Translated English)	Calibration Specification for Electronic Instrument Transformers
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A55
Classification of International Standard	17.220
Word Count Estimation	27,247
Date of Issue	2017-02-28
Date of Implementation	2017-05-28
Quoted Standard	GB/T 20840.7-2007; GB/T 20840.8-2007; DL/T 860.92-2016; DL/T 1394-2014
Regulation (derived from)	General Administration of Quality Supervision, Inspection and Quarantine No. 23 of 2017
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to the rated frequency of 50Hz 0.1 to 5 grade electronic current transformer and electronic voltage transformer calibration.

JJF 1617-2017: Calibration Specification for Electronic Instrument Transformers

---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.
Calibration Specification for Electronic Instrument Transformers National Metrological Technical Code of the People's Republic of China Specification for electronic transformer calibration 2017-02-28 released 2017-05-28 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued Specification for electronic transformer calibration CalibrationSpecification forElectronic Unit. National Electromagnetic Metrology Technical Committee High Pressure Metering Subcommittee Major drafting unit. National high voltage metering station Participated in the drafting unit. State Grid Jiangsu Electric Power Company Electric Power Research Institute State Grid Corporation of Heilongjiang Province Electric Power Company Electric Power Research Institute Henan Institute of Metrology State Grid Henan Electric Power Company Electric Power Research Institute This specification is commissioned by the National Electromagnetic Metrology Technical Committee of the High Pressure Metrology Subcommittee. The main drafters of this specification. Hu Haoliang (National High Voltage Metering Station) Lei Min (National High Voltage Metering Station) Participate in the drafters. Wang Zhongdong (State Grid Jiangsu Electric Power Company Electric Power Research Institute) Xiong Qianzhu (National High Voltage Metering Station) Han Dong (State Grid Heilongjiang Electric Power Company Electric Power Research Institute) Peng Ping (Henan Institute of Metrology) Zhao Yufu (State Grid Henan Electric Power Company Electric Power Research Institute)

Introduction (Ⅲ) 1 Scope (1) 2 References (1) 3 terms and units of measurement (1) 3.1 Ratio error (1) 3.2 Phase difference (1) 3.3 Rated delay time (1) 3.4 Rated phase offset (2) 3.5 Phase error (2) 3.6 punctual error (2) 4 Overview (2) 5 Metrological characteristics (2) 5.1 punctual error (2) 5.2 Ratio error and phase error (2) 5.3 Measurement Repeatability (3) 5.4 Short-term stability (4) 5.5 DC Bias (4) 6 Calibration conditions (4) 6.1 Environmental conditions (4) 6.2 Measurement standards and other equipment (4) 7 Calibration items and calibration methods (5) 7.1 Check before calibration (5) 7.2 Calibration items (5) 7.3 Calibration method (6) 8 Calibration results (9) 9 re-school time interval (9) Appendix A Ratio error and phase error measurement Uncertainty evaluation (10) Appendix B Calibrate Original Record Format (15) Appendix C Calibration Certificate Inside Page Format (21)

Introduction

This specification refers to the use of GB/T 20840.8-2007 "Transformer Part 8. Electronic Current Transformer" And GB/T 20840.7-2007 "Transformer Part 7. Electronic voltage transformer" measurement performance requirements, And with the promulgated JJG313 "measuring current transformer" and JJG314 "measurement with the voltage transformer" in harmony. This specification is based on JJF 1071-2010 "national measurement calibration standard preparation rules", JJF 1001-2011 "pass Metrological terms and definitions ", JJF 1059.1-2012" Measurement Uncertainty Assessment and Representation ". This specification is the first release. Specification for electronic transformer calibration

1 Scope

This specification applies to the rated frequency of 50Hz 0.1 to 5 grade electronic current transformer and electronic voltage Transformer calibration.

2 reference file

This specification refers to the following documents. Transformers - Part 7. Electronic voltage transformers GB/T Transformers - Part 8. Electronic current transformers GB/T DL/T 860.92-2016 Power automation communication networks and systems - Part 9-2. Specific communication services (SCSM) based on ISO /IEC 8802-3 sampling values Technical condition of electronic current and voltage transformer calibrator GB/T 1394-2014 For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 terms and units of measurement

GB/T 20840.7-2007, GB/T 20840.8-2007 Definitions and definitions The following terms and definitions apply to Fan. For ease of use, the following are repeated in the GB/T 20840.7-2007, GB/T 20840.8-2007 Certain terms and definitions. 3.1 ratio error (ε) ratioerror Measure the current/voltage error, it is due to the actual ratio is not equal to the rated ratio generated. Ratio error The fraction ε is expressed by the formula (1) ε = Kn · Fs-Fp Fp × 100% (1) Where. Kn --- rated variable ratio; Fp - the square root value of the primary current/voltage fundamental; Fs - the fundamental square root value of the digital output of the merging unit. 3.2 phase difference (φ) phasedisplacement [GB/T 20840.8-2007, definition 3.1.26] The digital output, for a terminal of a current/voltage occurs instantly with the corresponding digital data set in the merger The difference in the transmission instantaneous delay of the unit output (expressed in angular units of rated frequency). Note. This definition is strictly correct only for sine wave current/voltage. 3.3 Rated delay time (tdr) ratedelaytime [GB/T 20840.8-2007, Definitions 3.1.27]

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