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JJF 1701.2-2018: Program of Pattern Evaluation of Instrument Transformers--Part 2: Standard Voltage Transformers
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Program of Pattern Evaluation of Instrument Transformers--Part 2: Standard Voltage Transformers
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JJF 1701.2-2018
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Basic data | Standard ID | JJF 1701.2-2018 (JJF1701.2-2018) | | Description (Translated English) | Program of Pattern Evaluation of Instrument Transformers--Part 2: Standard Voltage Transformers | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A55 | | Word Count Estimation | 30,335 | | Date of Issue | 2018-02-27 | | Date of Implementation | 2018-05-27 | | Regulation (derived from) | AQSIQ Announcement No. 26 of 2018 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | JJF 1701.2-2018: Program of Pattern Evaluation of Instrument Transformers--Part 2: Standard Voltage Transformers
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(Measuring transformer type evaluation outlines Part 2. Standard voltage transformers)
National Metrology Technical Specification of the People's Republic
Measuring transformer type evaluation outline
Part 2. Standard voltage transformers
Part 2. StandardVoltageTransformers
Published on.2018-02-27
2018-05-27 implementation
The General Administration of Quality Supervision, Inspection and Quarantine issued
Measuring transformer type evaluation outline
Part 2. Standard voltage transformers
Part 2. StandardVoltag
eTransformers
Focal Point. National Electromagnetic Measurement Technical Committee High Voltage Measurement Subcommittee
Main drafting unit. National High Voltage Metering Station
State Grid Jiangsu Electric Power Company Electric Power Research Institute
State Grid Sichuan Electric Power Company Measurement Center
Wuhan Yudian Technology Co., Ltd.
Participated in the drafting unit. State Grid Qinghai Electric Power Company Electric Power Research Institute
State Grid Inner Mongolia Eastern Power Co., Ltd.
This syllabus is entrusted to the National Electromagnetic Metrology Technical Committee High Voltage Measurement Subcommittee to explain
The main drafters of this syllabus.
Zhou Feng (National High Voltage Metering Station)
Yang Shihai (State Grid Jiangsu Electric Power Company Electric Power Research Institute)
Liu Wei (State Network Sichuan Electric Power Company Metrology Center)
Sun Jun (Wuhan Yudian Technology Co., Ltd.)
Participate in the drafters.
Yin Xiaodong (National High Voltage Metering Station)
Jia Wei (State Grid Qinghai Electric Power Company Electric Power Research Institute)
Xie Hongwei (State Grid Inner Mongolia Eastern Power Co., Ltd.)
table of Contents
Introduction (III)
1 Scope (1)
2 References (1)
3 Terms and definitions (1)
4 Overview (1)
5 Legal management requirements (2)
5.1 Unit of measurement (2)
5.2 External structure (2)
5.3 Signs and logos (2)
6 Measurement requirements (3)
6.1 Accuracy level (3)
6.2 Measurement interval (3)
6.3 Winding Polarity (3)
6.4 Basic error (3)
6.5 Error at extreme operating temperature (4)
6.6 Stability (4)
7 General technical requirements (4)
7.1 Working conditions (4)
7.2 Appearance (4)
7.3 Insulation strength (4)
7.4 Sealing performance (5)
7.5 Transport Vibration (5)
8 type evaluation item list (5)
9 Provide the number of prototypes and how to use the prototype (6)
9.1 Number of prototypes provided (6)
9.2 How to use the prototype (6)
10 Test conditions and methods of test items and data processing and qualification criteria (7)
10.1 Test conditions of the project (7)
10.2 Appearance (8)
10.3 Dielectric strength (8)
10.4 Sealing performance (9)
10.5 Winding polarity (9)
10.6 Basic Error (9)
10.7 Error at extreme operating temperature (11)
10.8 Transport Vibration (12)
10.9 Stability (12)
11 Measuring instruments and equipment used in the test items (12)
Appendix A Type Evaluation Record Format (13)
Appendix B Type Evaluation Report Format (18)
Appendix C Type Evaluation Save the prototype's "Description" format (23)
Introduction
This syllabus is based on the National Metrology Technical Specification JJF 1016-2014 "Guidelines for the Preparation of Types of Measuring Instruments"
prepared by.
This syllabus is the first release.
Measuring transformer type evaluation outline
Part 2. Standard voltage transformers
1 Scope
This outline applies to rated frequency 50Hz (or 60Hz), rated primary voltage 1kV and above, accuracy level
Do not evaluate the type of standard voltage transformer type from 0.001 to 0.1.
2 reference files
This outline refers to the following documents.
JJG314 measuring voltage transformer
GB/T 311.1 Insulation coordination Part 1. Definitions, principles and rules
GB/T 1226 general pressure gauge
GB/T 4857.3 Packaging and transport packages - Basic test - Part 3. Static load stacking test method
GB/T 4857.10 Basic test for packaging and transport packages - Part 10. s.
GB/T 11023 high-voltage switchgear sulphur hexafluoride gas seal test method
GB/T 20840.1 Transformers - Part 1. General technical requirements
DL/T 617 gas insulated metal-enclosed switchgear technical conditions
SJ3213 General Electronic Product Transportation Packaging Basic Test Method Automobile Transportation Test
JB/T 5357 Voltage Transformer Test Guide
Note. For dated references, only the dated version applies to this specification; for undated references, the most
The new version (including all amendments) applies to this specification.
3 Terms and definitions
The terms and definitions used in the references to this syllabus and the following terms and definitions apply to this syllabus.
3.1 Two-stage voltage transformer two-stagevoltagetransformer
The coil contains a double-core precision voltage transformer consisting of two-stage voltage transformers.
4 Overview
A voltage transformer is an electrical instrument that converts voltage according to a rated voltage ratio for measurement. It is made of iron core and wound around the iron core.
The windings and other components, Figure 1 (a) is the single-stage voltage transformer principle circuit, Figure 1 (b) is the two-stage voltage transformer original
Manage the line. The voltage transformer windings and the windings are separated from the iron core by insulation.
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