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GB/T 22071.2-2017Test guide for instrument transformers - Part 2: Inductive voltage transformers (English PDF)

互感器试验导则第2部分：电磁式电压互感器

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB/T 22071.2-2017 is the English-translated version of 互感器试验导则第2部分：电磁式电压互感器.

GB/T 22071.2-2017 is the Chinese standard "Test guide for instrument transformers - Part 2: Inductive voltage transformers". Its scope clause reads: This section GB/T 22071 gives the electromagnetic voltage transformer test items, test sequence, the general test conditions and test requirements.

This section applies to GB/T 20840.1 and GB/T 20840.3 provisions of the electromagnetic voltage transformer (hereinafter referred to as "mutual inductance Device ") type test, routine test and special test.

Acceptance test as a product acceptance test can also be used in this section given the test method. Its clauses include pilot project and test sequence.

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Document preview — GB/T 22071.2-2017

National Standard of the People's Republic of China

ICS: 29.180
Classification: K41

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Foreword V.
1 Scope
2 Normative references
3 pilot project and test sequence
3.1 Test Project
3.2 Test sequence
4 General test conditions
5 type test
5.1 temperature rise test
5.2 primary shock endurance test
5.3 Outdoor transformer wet test
5.4 Radio Interference Voltage (RIV) Test
5.5 accuracy test
5.6 Inspection of enclosure protection
5.7 sealing performance test at ambient temperature (for gas-insulated products)
5.8 pressure test (for gas-insulated products)
5.9 Short-circuit withstand test
5.10 Excitation Characteristics Measurement
6 routine test
6.1 Gas dew point measurement (for gas-insulated products)
6.2 end frequency withstand voltage test
6.3 partial discharge measurement
6.4 Capacitance and dielectric loss factor measurement
6.5 section frequency withstand voltage test
6.6 secondary frequency power voltage test
6.7 Accuracy test
6.8 Marking test
6.9 sealing performance test at ambient temperature
6.10 pressure test (for gas-insulated products)
6.11 Excitation Characteristics Measurement
6.12 Insulating oil performance test
6.13 insulation resistance measurement
6.14 Winding DC Resistance Measurement
7 special test
7.1 multiple cut-off impact test one time
7.2 Transmission over-voltage test
7.3 Mechanical strength test
7.4 Internal Arc Fault Test
7.5 Low and high temperature sealing performance test (for gas-insulated products)
7.6 corrosion test
7.7 Fire hazard test
8 type test supplementary requirements
8.1 Type test cycle and requirements
8.2 Type Test Report

1 Scope

This section GB/T 22071 gives the electromagnetic voltage transformer test items, test sequence, the general test conditions and test requirements.

This section applies to GB/T 20840.1 and GB/T 20840.3 provisions of the electromagnetic voltage transformer (hereinafter referred to as "mutual inductance

Device ") type test, routine test and special test.

Acceptance test as a product acceptance test can also be used in this section given the test method.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2421.1 Environmental testing for electric and electronic products Part 1. Overview and guidelines

GB/T 2423.17 Environmental testing for electric and electronic products Part 2. Test methods Test Ka. Salt spray

GB/T 2423.23 Environmental testing Part 2. Test methods Test Q. Seal

GB/T 4208 enclosure protection (IP code)

GB/T 4756 Petroleum liquids - Manual sampling method

GB/T 5169.2 Fire hazard testing for electric and electronic products Part 2. Fire hazard assessment guidelines General

GB/T 5169.9 Fire hazard testing for electric and electronic products Part 9. Fire hazard assessment guidelines Preselected test procedures General

GB/T 5169.18 Fire hazard testing for electric and electronic products Part 18. Toxicity of combustion streams General

GB/T 5585.1 Copper, aluminum and alloy busbars for electricians Part 1. Copper and copper alloy busbars

GB/T 7354 partial discharge measurement

GB/T 7674 Rated voltage 72.5kV and above gas-insulated metal-enclosed switchgear

GB/T 11604 high-voltage electrical equipment radio interference test method

GB/T 16927.1 high voltage test techniques - Part 1. General definitions and test requirements

GB/T 16927.2 high voltage test techniques - Part 2. Measurement system

GB/T 19001 quality management system requirements

GB/T 20138 electrical equipment enclosure external mechanical impact protection level (IK code)

GB/T 20840.1 Transformer Part 1. General technical requirements

Transformers GB/T 20840.3 Transformers - Part 3. Supplementary technical conditions for electromagnetic voltage transformers

JB/T 10433 three-phase voltage transformer

ISO 3231 Paints and varnishes - Determination of resistance to moist atmosphere containing sulfur dioxide (Paints and varnishes - Deter- minationofresistancetohumidatmospherescontainingsulfurdioxide)

3 pilot project and test sequence

3.1 pilot project

Type test, routine test and special test items are shown in Table 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 98 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2421.1 · GB/T 20840.3 · ISO 3231

Cited by

Similar standards

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Editions of GB/T 22071.2

Edition	Title	Revision	Status
GB/T 22071.2-2017	Test guide for instrument transformers - Part 2: Inductive voltage transformers	current edition	Current
GB/T 22071.2-2008	Test guide for instrument transformers - Part 2: Inductive voltage transformers	previous edition	Superseded

This page sells the current edition, GB/T 22071.2-2017. Earlier editions are listed for reference only.

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