GB/T 39227-2020Immunity time testing method under voltage dip for sensitive process rated less than 1000 V (English PDF)
1000 V以下敏感过程电压暂降免疫时间测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 39227-2020 is the English-translated version of 1000 V以下敏感过程电压暂降免疫时间测试方法.
GB/T 39227-2020 is the Chinese standard "Immunity time testing method under voltage dip for sensitive process rated less than 1000 V". Its scope clause reads: This standard specifies the test equipment, test content, test layout, test method, and test method for voltage sag immunity time test for sensitive processes below 1000V.
Test process, test results and test report requirements. This standard applies to industrial processes that are sensitive to voltage sags with a voltage lower than 1000V connected to a 50Hz public grid.
This standard The prescribed test method is also applicable to short-term interrupt events. Its clauses include terms and definitions.
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Document preview — GB/T 39227-2020
National Standard of the People's Republic of China
- ICS
- 29.020
- Classification
- K 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope1
- 2 Normative references1
- 3 Terms and definitions1
- 4 Test equipment2
- 4.1 Voltage sag generator2
- 4.2 Data Acquisition System2
- 5 Test content3
- 6 Test arrangement3
- 7 Test method4
- 7.1 Test method for gradual immunity time of industrial sub-process4
- 7.2 Calculation method of sag immunity time in industrial process4
- 8 Test process4
- 8.1 Test plan4
- 8.2 Test implementation5
- 9 Test results and test report5
- 9.1 Test results5
- 9.2 Test report5
- Appendix A (normative appendix) Three-phase system voltage sag test phasor7
- Appendix B (Informative Appendix) Process Immunization Time8
- Appendix C (informative appendix) Typical structure of equipment connection in industrial process9
- Appendix D (informative appendix) Process immunity time test case10
1 Scope
This standard specifies the test equipment, test content, test layout, test method, and test method for voltage sag immunity time test for sensitive processes below 1000V.
Test process, test results and test report requirements.
This standard applies to industrial processes that are sensitive to voltage sags with a voltage lower than 1000V connected to a 50Hz public grid. This standard
The prescribed test method is also applicable to short-term interrupt events.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 17626.11-2008 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test
GB/T 17626.34-2012 Electromagnetic compatibility test and measurement technology The voltage of equipment with main power supply current greater than 16A per phase
Immunity test for dips, short interruptions and voltage changes
GB/T 30137-2013 Power quality voltage sag and short-term interruption
GB/T 32507-2016 Power quality terminology
3 Terms and definitions
The following terms and definitions defined in GB/T 30137-2013 and GB/T 32507-2016 apply to this document. For convenience
Used, the following repeatedly lists some terms and definitions of GB/T 30137-2013 and GB/T 32507-2016.
3.1 Power Quality
The electrical characteristics at a designated point in the power system are related to the degree to which various indicators of the voltage and current of the power supply equipment work (or run) from the benchmark technical parameters.
Note. The benchmark technical parameters are generally the index values under the ideal power supply state, and these parameters may involve the compatibility between the power supply and the load.
[GB/T 32507-2016, definition 2.1.1]
3.2 Voltage dip
The root mean square value of the power frequency voltage at a certain point in the power system suddenly drops to 0.1pu~0.9pu, and returns to normal after a short duration of 10ms~1min.
[GB/T 30137-2013, definition 3.1]
3.3 Short interruption
The root mean square value of the power frequency voltage at a certain point in the power system suddenly drops below 0.1 pu, and it returns to normal after a short duration of 10ms~1min.
[GB/T 30137-2013, definition 3.2] […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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