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GB/T 37137-2018 English PDF

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GB/T 37137-2018: Onsite inspections method of a.c. circuit systems for 220 kV substations on plateau
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GB/T 37137-2018English759 Add to Cart 6 days [Need to translate] Onsite inspections method of a.c. circuit systems for 220 kV substations on plateau Valid GB/T 37137-2018

PDF similar to GB/T 37137-2018


Standard similar to GB/T 37137-2018

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Basic data

Standard ID GB/T 37137-2018 (GB/T37137-2018)
Description (Translated English) Onsite inspections method of a.c. circuit systems for 220 kV substations on plateau
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K04
Classification of International Standard 29.240.10
Word Count Estimation 38,313
Date of Issue 2018-12-28
Date of Implementation 2019-07-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37137-2018: Onsite inspections method of a.c. circuit systems for 220 kV substations on plateau


---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.
On-site inspections method of accircuit systems for 220 kV substations on plateau ICS 29.240.10 K04 National Standards of People's Republic of China Plateau 220kV substation AC circuit System site inspection method Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Test conditions 1 4.1 Environmental conditions of the test 1 4.2 Test conditions and test tolerances of the test power supply 1 4.3 Substation AC loop test conditions 2 4.4 Main instrumentation for testing 2 5 Test items and test sequence 2 5.1 Test item 2 5.2 Test sequence 3 6 Test method 3 6.1 Compliance check of primary circuit 3 6.2 Reliable grounding test of δ terminal or N terminal of voltage transformer 3 6.3 AC secondary circuit DC resistance test 3 6.4 System test of AC current loop 3 6.5 System test of AC voltage loop 5 6.6 Inspection Process Requirements 6 Appendix A (informative) Secondary current loop DC resistance test record table 7 Appendix B (informative) Secondary voltage loop DC resistance test record table 8 Appendix C (Normative Appendix) Method for estimating transformer short-circuit impedance 9 Appendix D (Normative Appendix) AC Circuit Inspection Schematic 12 Appendix E (informative) AC current loop system inspection record table 15 Appendix F (normative appendix) AC current loop test current conversion method 17 Appendix G (informative) AC voltage loop system inspection record table 21 Appendix H (Normative Appendix) AC voltage loop test secondary voltage conversion method 22 Appendix I (Normative Appendix) Substation AC Loop System Inspection Process 23 Appendix J (normative appendix) Substation AC loop system test example 24 Reference 33

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Plateau Electrotechnical Products Environmental Technology Standardization Technical Committee (SAC/TC330). This standard was drafted. Kunming Electrical Apparatus Research Institute, Yunnan Power Grid Co., Ltd., State Grid Sichuan Electric Power Company Electric Power Research Research Institute, Yunnan Power Transmission Engineering Co., Ltd., Yunnan Tianxing Industrial Co., Ltd., Yunnan Energy Investment Group Co., Ltd., Guangdong Yuanguang Cable Industrial Co., Ltd., Qingdao Changsheng Solar Power Technology Co., Ltd., Yunnan Electric Power Research Institute (Group) Co., Ltd., China Power Wuhan Institute of Force Science Research Institute, Yunnan Energy Investment Technology Co., Ltd., Xuchang Cape Inspection and Research Institute Co., Ltd., China Energy Source Construction Group Yunnan Thermal Power Construction Co., Ltd., Yunnan Electromechanical Vocational and Technical College, Yunnan Machinery Research and Design Institute, Anhui Senyuan Electric Co., Ltd. Limited company, Shenzhen Electric Science Research Institute. The main drafters of this standard. Chen Yong, Li Hong, Zhou Qiongfang, Ye Yuming, Zhang Dongning, Wang Yunhui, Chen Yu, Guo Jiali, Yang Aihua, Zhang Dazhao, Liu Fan, Fan Songhai, Jiang Luyi, Wang Lei, He Hongsheng, Qin Yuanming, Wang Baoying, Wang Benjin, Li Quanxi, Chen Guoping, Yang Chuanbin, Gao Bo, Yang Ajuan, Yang Zhihong, Li Benyu, Zhang Zhanjun, Wu Xiqiu, Xiao Minying.

Introduction

This standard aims to verify the correctness of the AC circuit wiring of the plateau substation and its mutual cooperation. To regulate the plateau 220kV change The inspection method of the AC circuit of the power station avoids the relay protection caused by errors such as the polarity and ratio of the AC circuit during the charging and operation of the system. This standard is specially formulated because it does not operate correctly, thus bringing safe operation risks to the power grid and improving the safe and stable operation level of the substation. Plateau 220kV substation AC circuit System site inspection method

1 Scope

This standard specifies the content, methods and requirements for on-site inspection of AC loops in 220kV substations in high altitude areas. This standard is applicable to the on-site inspection of new or renovated conventional substation projects in the area of 1000m~5000m above sea level. The 220kV new or renovated conventional substation project with an altitude of 1000m and below can also be used as reference. This standard does not apply to substation projects that use electronic transformers.

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 edition (including all amendments) applies to this document. Field test method for GB/T 34925 plateau 110kV substation AC loop system GB 50150 Electrical installation engineering electrical equipment handover test standard

3 Terms and definitions

The terms and definitions defined in GB/T 34925 apply to this document.

4 test conditions

4.1 Environmental conditions of the test The normal test environmental conditions and test standard environmental conditions are shown in Table 1. Table 1 Test environmental conditions Environmental conditions normal test environmental conditions Test baseline environmental conditions Benchmark condition test tolerance Ambient temperature -5°C~40°C 20°C ±2°C Relative humidity 20%~90% 45%~75% - Altitude 1000m~5000m 1000m~5000m - Unless otherwise specified, the test is generally carried out under normal test environmental conditions and the baseline environmental conditions of the test are used as arbitration conditions. 4.2 Test equipment power supply benchmark conditions and test tolerances The reference conditions and test tolerances of the test power supply are shown in Table 2.

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