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GB/T 41631-2022: Specification for unused insulating mineral oils for cables with oil ducts
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Specification for unused insulating mineral oils for cables with oil ducts
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GB/T 41631-2022
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Basic data | Standard ID | GB/T 41631-2022 (GB/T41631-2022) | | Description (Translated English) | Specification for unused insulating mineral oils for cables with oil ducts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K15 | | Word Count Estimation | 10,152 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41631-2022: Specification for unused insulating mineral oils for cables with oil ducts---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.
Specification for unused insulating mineral oils for cables with oil ducts
ICS 29.040.10
CCSK15
National Standards of People's Republic of China
Unused mineral insulating oil for oil-filled cables
(IEC 60465.1988, MOD)
Published on 2022-07-11
2023-02-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Sampling 2
5 Test method 2
5.1 Appearance 2
5.2 Density 2
5.3 Kinematic viscosity 2
5.4 Flash point 2
5.5 Pour point 2
5.6 Cloud point 3
5.7 Acid number 3
5.8 Water content 3
5.9 Corrosive sulfur 3
5.10 Antioxidants 3
5.11 Breakdown voltage 4
5.12 Dielectric Dissipation Factor 4
5.13 Electrical stress and ionization stability (gassing) 4
6 Performance Requirements 4
7 Marking and general delivery requirements5
Reference 6
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document is modified to use IEC 60465.1988 "Unused mineral insulating oils for oil-filled cables".
Compared with IEC 60465.1988, this document has made the following structural adjustments.
--- Added Chapter 2 "Normative References";
--- Chapter 7 corresponds to Chapter 3 of IEC 60465.1988.
The technical differences between this document and IEC 60465.1988 and their reasons are as follows.
---Replace IEC 60475 (see Chapter 4) with our country's document GB/T 41146 to adapt to our country's technical conditions and improve operability.
action;
--- Replace ISO 3675 (see 5.2) with my country's document GB/T 1884 to adapt to my country's technical conditions and improve operability;
--- Replace ISO 3104 (see 5.3) with our country's document GB/T 30515 to adapt to our country's technical conditions and improve operability;
--- Replace ISO 2719 (see 5.4.1) with our country's document GB/T 261 to adapt to our country's technical conditions and improve operability;
--- Replace ISO 2592 (see 5.4.2) with our country's document GB/T 3536 to adapt to our country's technical conditions and improve operability;
--- Replace ISO 3016 (see 5.5) with our country's document GB/T 3535 to adapt to our country's technical conditions and improve operability;
--- Replaced IEC 60814 (see 5.8) with our country's document NB/T 42140 to adapt to our country's technical conditions and improve operability;
--- Replace IEC 60156 (see 5.11) with our country's document GB/T 507 to adapt to our country's technical conditions and improve operability;
--- Replace IEC 60247 (see 5.12) with our country's document GB/T 5654 to adapt to our country's technical conditions and improve operability;
---Replace IEC 60628 (see 5.13) with our country's document GB/T 10065-2007 to adapt to our country's technical conditions and improve the availability
operational;
--- Deleted the content of "the applicable correction factor see ISO R91-1" in 5.2 of IEC 60465.1988, because the document is not easy to
get.
--- Added the reagent of 5.7 "acid value" in IEC 60465.1988.10% cobalt nitrate solution to facilitate operation and use;
--- Deleted IEC 60465.1988 5.8 "water content" test method IEC 60733, because this document has been abolished.
The following editorial changes have been made to this document.
--- The IEC 60465.1988 "scope" "this document is based on certain physical properties of mineral insulating oils for oil-filled cables, such as viscosity, flash
Point and pour point, divided into three types. No. Ⅰ oil, No. Ⅱ oil and No. Ⅲ oil. "The content is adjusted to Chapter 6;
--- Deleted Chapter 6 "General Provisions" in IEC 60465.1988;
--- Added references.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Insulating Materials (SAC/TC51).
This document is drafted by. State Grid Henan Electric Power Company Electric Power Research Institute, Chongqing University, State Grid Tianjin Electric Power Company Electric Power Science
Research Institute, State Grid Zhejiang Electric Power Company Electric Power Research Institute, Guilin Saimeng Testing Technology Co., Ltd., Guilin Electrical Apparatus Research Institute Co., Ltd.
Company, Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangdong Baijin New Energy Co., Ltd., Xi'an Jingzhongsheng Technology Co., Ltd.,
Shaanxi Guohongfu Testing Technology Co., Ltd., Guangdong Mingkai Technology Co., Ltd., Yiwu Yining Mould Co., Ltd.
The main drafters of this document. Yang Tao, Kou Xiaoshi, Wang Feipeng, Li Yuquan, Zhou Qigang, Yan Haiou, Su Zhan, Zhou Yanan, Shao Xianjun, Mei Bingxiao,
Zhao Jie, Zhou Yuli, Xiong Xuemei, Luo Chuanyong, Qian Yihua, Fu Qiang, Liu Yuanzhen, Xiang Huaming, Lin Hongsong, Wan Qinglan, Feng Yongmiao.
Unused mineral insulating oil for oil-filled cables
1 Scope
This document specifies the specification and test methods for unused mineral insulating oils for oil-filled cables in delivery condition. these cable packs
Including hollow cable, conduit cable and any other form of cable with oil flow measures.
This document applies to mineral insulating oils with or without additives, obtained by petroleum distillation and refining.
This document does not apply to mineral insulating oils used in transformers, switches, capacitors and similar equipment, nor to chemically synthesized
Hydrocarbon insulating oil.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 261 Determination of flash point Pensky-Martin closed cup method (GB/T 261-2008, ISO 2719.2002, MOD)
GB/T 507 Determination of breakdown voltage of insulating oil (GB/T 507-2002, IEC 60156.1995, eqv)
GB/T 1884 Laboratory Determination of Density of Crude Oil and Liquid Petroleum Products (Densitometer Method) (GB/T 1884-2000, ISO 3675.
1998, MOD)
GB/T 3535 Determination of Pour Point of Petroleum Products (GB/T 3535-2006, ISO 3016.1994, MOD)
GB/T 3536 Determination of flash point and fire point of petroleum products Cleveland open cup method (GB/T 3536-2008, ISO 2592.
2000, MOD)
GB/T 5654 Measurement of relative permittivity, dielectric loss factor and DC resistivity of liquid insulating materials (GB/T 5654-
2007, IEC 60247.2004, IDT)
GB/T 10065-2007 Determination of gas evolution properties of insulating liquids under electrical stress and ionization (IEC 60628.1985,
MOD)
Note. There is no technical difference between the quoted content of GB/T 10065-2007 and the content of IEC 60628.1985.
GB/T 30515 Determination of kinematic viscosity and dynamic viscosity calculation method of transparent and opaque liquid petroleum products (GB/T 30515-
2014, ISO 3104.1994, MOD)
GB/T 41146 Sampling method for insulating liquids (GB/T 41146-2021, IEC 60475.2011, IDT)
NB/T 42140 Determination of moisture by Karl Fischer automatic coulometric titration for oil-impregnated paper and oil-impregnated paperboard with insulating liquid (NB/T 42140-
2017, IEC 60814.1997, MOD)
SH/T 0304 Electrical Insulating Oil Corrosive Sulfur Test Method (SH/T 0304-1999, ISO 5662.1997, eqv)
Note. GB/T 7602.4-2017 Determination of T501 Antioxidant Content in Transformer Oil and Turbine Oil Part 4.GC-MS method (IEC 60666.
2010, NEQ)
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