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GB/T 24841-2018 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24841-2018: Technical specification for capacitor voltage transformers of 1 000 kV AC system
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24841-2018	279	Add to Cart	3 days	Technical specification for capacitor voltage transformers of 1 000 kV AC system	Valid

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Basic data

Standard ID: GB/T 24841-2018 (GB/T24841-2018)
Description (Translated English): Technical specification for capacitor voltage transformers of 1 000 kV AC system
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K41
Classification of International Standard: 29.180
Word Count Estimation: 14,128
Date of Issue: 2018-07-13
Date of Implementation: 2019-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24841-2018: Technical specification for capacitor voltage transformers of 1 000 kV AC system

---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.
Technical specification for capacitor voltage transformers of 1 000 kV AC system ICS 29.180 K41 National Standards of People's Republic of China Replace GB /Z 24841-2009 Capacitor voltage transformer for 1000kV AC system specifications Of1000kVACsystem Published on.2018-07-13 Implementation of.2019-02-01 State Market Supervisory Administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Conditions of use 2 5 Technical parameters and performance requirements 2 6 Structural requirements 6 7 Test 7 8 Life expectancy, packaging, transportation and storage 8 Appendix A (informative) Special conditions of use 9 Appendix B (informative) Special requirements for capacitive voltage transformers for 1000kV AC systems used as post insulators 11

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB /Z 24841-2009 "Technical Specifications for Capacitor Voltage Transformers for 1000kV AC Systems". versus Compared with GB /Z 24841-2009, the main technical changes except editorial changes are as follows. --- Some of the referenced documents have been added and revised in the normative references (see Chapter 2, Chapter 2 of the.2009 edition); --- Definition of damage load added to terms and definitions (see Chapter 3); --- Revised the technical parameters in the rated output (see 5.1.6, 5.1.6 of the.2009 edition); --- Revised the technical parameters in the accuracy class (see 5.1.7, 5.1.7 of the.2009 edition); --- Revised the technical parameters in the temperature coefficient of the capacitor divider capacitor (see 5.1.10, 5.1.10 of the.2009 edition); --- Revised some of the technical parameters in ferromagnetic resonance (see 5.2.1, 5.2.1 of.2009 edition); --- Added and revised some of the technical parameters of the external insulation requirements (see 5.2.10, 5.2.10 of the.2009 edition); --- Revised the number and parameters of the pressure equalizing ring in the pressure equalization device (see 6.3, 6.3 of the.2009 edition); --- Increased the test items in the type test (see 7.2); --- Revised the formula for calculating the altitude correction factor (see A.1,.2009 edition of A.1); --- Revised the temperature range in ambient temperature (see A.2,.2009 edition of A.2); --- Added special requirements for capacitive voltage transformers that double as post insulators (see Appendix B). This standard was proposed by the China Electricity Council. This standard is under the jurisdiction of the National UHV AC Transmission Standardization Technical Committee (SAC/TC569). This standard is drafted by. State Grid Corporation, China Electric Power Research Institute Co., Ltd. Participated in the drafting of this standard. Guilin Power Capacitor Co., Ltd., Xi'an Xidian Power Capacitor Co., Ltd., Nisshin Machine (Wuxi) Co., Ltd., State Grid Hubei Electric Power Company Electric Power Research Institute, State Grid Henan Electric Power Company Electric Power Research Institute. The main drafters of this standard. Wang Xiaoqi, Ma Yue, Qiu Ning, Wu Shipu, Chen Guoqiang, Chen Xiaoming, Wang Zengwen, Ren Chunyang, Sun Min, Jin Tao, Zhao Yufu, Mao Anzhen. The previous versions of the standards replaced by this standard are. ---GB /Z 24841-2009. Capacitor voltage transformer for 1000kV AC system specifications

1 Scope

This standard specifies the use conditions, technical parameters and performance requirements, and structural requirements of capacitive voltage transformers for 1000kV AC systems. Requirements, tests, life expectancy, packaging, transportation and storage. This standard is applicable to 1000kV capacitive voltage transformers used in AC systems with a nominal voltage of 1000kV and a frequency of 50Hz. Selection, manufacturing, testing and acceptance.

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. GB/T 2900.16 Electrotechnical terminology power capacitor GB/T 2900.50 Electrotechnical terminology General term for power generation, transmission and distribution GB/T 2900.57 Electrotechnical terminology for power generation, transmission and distribution operation GB/T 2900.94 Electrotechnical terminology transformer GB/T 13540 high-voltage switchgear and control equipment for seismic requirements GB/T 19749.1 Coupling capacitors and capacitor dividers - Part 1. General GB/T 20840.1 Transformers - Part 1. General technical requirements GB/T 20840.5 Transformers - Part 5. Supplementary technical requirements for capacitive voltage transformers

3 Terms and definitions

GB/T 2900.16, GB/T 2900.50, GB/T 2900.57, GB/T 2900.94, GB/T 20840.1, GB/T 20840.5 And the following terms and definitions apply to this document. 3.1 Stacked structure stackingstructure The capacitive voltage divider and the electromagnetic unit are structurally integrated, and the piezoelectric divider and the electromagnetic unit are electrically connected internally. 3.2 Non-stacked structure non-stackingstructure The capacitive voltage divider and the electromagnetic unit are structurally separated, and the capacitive voltage divider and the electromagnetic unit are externally electrically connected through the outlet bushing. connection. 3.3 Destructive load breakingload Vertically acting on the longitudinal axis of the porcelain sleeve or composite jacket transformer, resulting in mechanical damage to the transformer casing. 3.4 Running variationationofoperation The error is affected by the operating environment and can be caused by operating conditions such as ambient temperature, proximity effects, contamination, and the like. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24841-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24841-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 24841-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24841-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.