标准搜索结果: 'GB/T 7595-2017英文版'
| 标准号码 | 内文 | 价格(元) | 第2步 | 交付天数[PDF] | 标准名称 | 相关标准 |
| GB/T 7595-2017 |
英文版
| 300 |
购买全文
|
现货, 9秒内下载
|
运行中变压器油质量
|
GBT 7595-2017
|
标准编号: GB/T 7595-2017 (GB/T7595-2017)
中文名称: 运行中变压器油质量
英文名称: Quality of transformer oils in service
行业: 国家标准 (推荐)
中标分类: F24
国际标准分类: 27.100
字数估计: 6,676
发布日期: 2017-05-12
实施日期: 2017-12-01
旧标准 (被替代): GB/T 7595-2008
引用标准: GB/T 261; GB/T 264; GB/T 507; GB 2536; GB/T 5654; GB/T 6540; GB/T 6541; GB/T 7598; GB/T 7600; GB/T 7601; GB/T 8926-2012; GB/T 14542; GB/T 25961; GB/T 28552; DL/T 285; DL/T 385; DL/T 421; DL/T 423; DL/T 432; DL/T 703; DL/T 929; DL/T 1094; DL/T 1095; DL/T 1
起草单位: 西安热工研究院有限公司
归口单位: 全国电气化学标准化技术委员会(SAC/TC 322)
提出机构: 中国电力企业联合会
发布机构: 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
范围: 本标准规定了运行中矿物变压器油和断路器用油应达到的质量标准。本标准适用于充入电气设备的矿物变压器油和断路器用油在运行中的质量监督。本标准不适用于在电缆或电容器中用作浸渍剂的矿物绝缘油。
GB/T 7595-2017: 运行中变压器油质量
GB/T 7595-2017 英文名称: Quality of transformer oils in service
ICS 27.100
F24
中华人民共和国国家标准
代替GB/T 7595-2008
中华人民共和国国家质量监督检验检疫总局
中国国家标准化管理委员会发布
前言
本标准按照GB/T 1.1-2009给出的规则起草。
本标准代替GB/T 7595-2008《运行中变压器油质量》。与GB/T 7595-2008相比,主要技术变化
如下:
---修改了标准的适用范围;
---修改了规范性引用标准;
---修改了运行中矿物变压器油质量标准;
---修改了运行中断路器用油质量标准;
---增加了色度等检验项目及相关质量指标和检测方法;
---修改了部分检测方法;
---删除了术语和定义;
---删除了部分检测项目;
---删除了检测周期和检验项目;
---删除了资料性附录A“最低冷态投运温度(LCSET)下变压器油的最大黏度”;
---删除了资料性附录B“不同电极形状及操作方法对击穿电压测定值的影响”;
---删除了资料性附录C“运行中变压器油的防劣化措施”。
本标准由中国电力企业联合会提出。
本标准由全国电气化学标准化技术委员会(SAC/TC322)归口。
本标准主要起草单位:西安热工研究院有限公司。
本标准参加起草单位:中国石油克拉玛依润滑油研究所、江苏省电力公司电力科学研究院、国网天
津电力科学研究院、广东电网有限责任公司电力科学研究院。
本标准主要起草人:肖秀媛、马书杰、王娟、孟玉婵、张绮、朱洪斌、郭军科、钱艺华。
本标准所代替标准的历次版本发布情况为:
---GB/T 7595-1987、GB/T 7595-2000、GB/T 7595-2008。
运行中变压器油质量
1 范围
本标准规定了运行中矿物变压器油和断路器用油应达到的质量标准。
本标准适用于充入电气设备的矿物变压器油和断路器用油在运行中的质量监督。
本标准不适用于在电缆或电容器中用作浸渍剂的矿物绝缘油。
2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文
件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T 261 闪点的测定 宾斯基-马丁闭口杯法
GB/T 264 石油产品酸值测定法
GB/T 507 绝缘油 击穿电压测定法
GB 2536 电工流体 变压器和开关用的未使用过的矿物绝缘油
GB/T 5654 液体绝缘材料 相对电容率、介质损耗因数和直流电阻率的测量
GB/T 6540 石油产品颜色测定法
GB/T 6541 石油产品油对水界面张力测定法(圆环法)
GB/T 7598 运行中变压器油、汽轮机油水溶性酸测定法(比色法)
GB/T 7600 运行中变压器油和汽轮机油水分含量测定法(库仑法)
GB/T 7601 运行中变压器油、汽轮机油水分测定法(气相色谱法)
GB/T 8926-2012 在用的润滑油不溶物测定法
GB/T 14542 运行变压器油维护管理导则
GB/T 25961 电气绝缘油中腐蚀性硫的试验法
GB/T 28552 变压器油、汽轮机油酸值测定法(BTB法)
DL/T 285 矿物绝缘油腐蚀性硫检测法 裹绝缘纸铜扁线法
DL/T 385 变压器油带电倾向性检测方法
DL/T 421 绝缘油体积电阻率测定法
DL/T 423 绝缘油中含气量的测定 真空压差法
DL/T 432 油中颗粒污染度测量方法
DL/T 703 绝缘油中含气量的气相色谱测定法
DL/T 929 矿物绝缘油、润滑油结构族组成的红外光谱测定法
DL/T 1094 电力变压器用绝缘油的选用指南
DL/T 1095 变压器油带电度现场测试导则
DL/T 1096 变压器油中颗粒度限值
DL/T 1354 电力用油微量闭口闪点测定法
DL/T 1355 变压器油中糠醛含量的液相色谱测定法
NB/SH/T 0810 绝缘液在电场和电离作用下析气性测定法
NB/SH/T 0812 矿物绝缘油中2-糠醛及相关组分测定法
SH/T 0802 绝缘油中2,6-二叔丁基对甲酚测定法
SH/T 0804 电气绝缘油腐蚀性硫试验银片试验法
IEC 62697-1 未使用和已使用的绝缘液体腐蚀性硫化合物定量测定的测试方法 第1部分:
3 技术要求
3.1 变压器油的选用应按照DL/T 1094进行。
3.2 新变压器油、低温开关油的验收按GB 2536的规定进行。新油组成不明的按照DL/T 929确定
组成。
3.3 运行中矿物变压器油质量标准,见表1。
3.4 运行中断路器用油质量标准,见表2。
3.5 运行中矿物变压器油、断路器用油的维护管理按照GB/T 14542的规定执行。
3.6 500kV及以上电压等级变压器油中颗粒度应达到的技术要求、检验周期按照DL/T 1096的规定
执行。
b 测试方法也包括DL/T 1354,结果有争议时,以GB/T 261为仲裁方法。
c 测试方法也包括GB/T 7601,结果有争议时,以GB/T 7600为仲裁方法。
d 测试方法也包括GB/T 5654,结果有争议时,以DL/T 421为仲裁方法。
e 测试方法也包括DL/T 423,结果有争议时,以DL/T 703为仲裁方法。
f “油泥与沉淀物”按照GB/T 8926-2012(方法A)对“正戊烷不溶物”进行检测。
g 测试方法也包括DL/T 1095,结果有争议时,以DL/T 385为仲裁方法。
h DL/T 285为必做试验,是否还需要采用GB/T 25961或SH/T 0804方法进行检测可根据具体情况确定。
i 指100mL油中大于5μm的颗粒数。
j 检测不出指DBDS含量小于5mg/kg。
GB/T 7595-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.100
F 24
Replacing GB/T 7595-2008
Quality of Transformer Oils in Service
ISSUED ON. MAY 12, 2017
IMPLEMENTED ON. DECEMBER 1, 2017
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
3. No action is required - Full-copy of this standard will be automatically &
immediately delivered to your EMAIL address in 0~60 minutes.
Table of Contents
Foreword ... 3
1 Application Scope ... 5
2 Normative References ... 5
3 Technical Requirements ... 7
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 7595-2008, Quality of Transformer Oils in Service.
Compared with GB/T 7595-2008, the major changes of this Standard are as follows.
-- the application scope of the standard is modified;
-- the normative references are modified;
-- the standard for the quality of mineral transformer oils in service is modified;
-- the standard for the quality of breaker oils in service is modified;
-- the inspection items, such as chromaticity, and relevant quality indexes and test
methods are added;
-- part of test methods are modified;
-- the terms and definitions are deleted;
-- part of test items are deleted;
-- test cycles and test items are deleted;
-- informative Annex A “Maximum Viscosity of Transformer Oils at the Lowest Cold-
start Energizing Temperature” is deleted;
-- informative Annex B “Effects of Different Electrode Shapes and Operating
Methods on the Measured Values of Breakdown Voltage” is deleted;
-- informative Annex C “Anti-degradation Measures for Transformer Oils in Service”
is deleted.
This Standard was proposed by China Electricity Council.
This Standard shall be under the jurisdiction of the National Standardization Technical
Committee on Electrification (SAC/TC 322).
The major drafting organization of this Standard. Xi’an Thermal Power Research
Institute Co., Ltd.
The contributory drafting organizations of this Standard. China Petroleum Karamay
Lubricating Oil Research Institute, Jiangsu Electric Power Company Electric Power
Research Institute, State Grid Tianjin Electric Power Research Institute, Guangdong
Power Grid Co., Ltd. Electric Power Research Institute.
The main drafters of this Standard. Xiao Xiuyuan, Ma Shujie, Wang Juan, Meng
Quality of Transformer Oils in Service
1 Application Scope
This Standard specifies the quality standard for mineral transformer oils and beaker
oils in service.
This Standard applies to the quality and supervision of mineral transformer oils and
breaker oils in service, which are filled in electrical equipment.
This Standard does not apply to mineral insulating oils, which are used for cables or
condensers as impregnating compounds.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to This Standard.
GB/T 261, Determination of Flash Point – Pensky-Martens Closed Cup Method
GB/T 264, Petroleum Products – Determination of Acid Number
GB/T 507, Insulating Liquids – Determination of the Breakdown Voltage at Power
Frequency
GB 2536, Fluids for Electrotechnical Applications – Unused Mineral Insulating Oils
for Transformers and Switchgear
Dissipation Factor and D.C. Resistivity
GB/T 6540, Petroleum Products – Determination of Colour
GB/T 6541, Petroleum Products – Mineral Oils – Determination of Interfacial
Tension of Oil against Water – Ring Method
GB/T 7598, Determination of Water-soluble Acid in Transformer and Turbine Oils in
Service by Colorimetric Method
GB/T 7600, Determination of Water Content in Transformer Oils in Service by
Coulometric Method
GB/T 7601, Determination of Water Content for Transformer and Turbine Oils in
GB/T 8926-2012, Standard Test Method for Insolubles in Used Lubricating Oils
GB/T 14542, Guide for Maintenance and Supervision of Transformer Oil in Service
GB/T 25961, Standard Test Method for Corrosive Sulfur in Electrical Insulating Oils
GB/T 28552, Determination of Acid Number in Transformer Oils and Turbine Oils by
BTB Method
DL/T 285, Test Method for Corrosive Sulphur in Mineral Insulating Oils – Copper
Conductor Wrapped with Insulating Paper
DL/T 385, Determination of Electrostatic Charging Tendency of Transformer Oil
DL/T 421, Determination of Volume Resistivity of Power Oils
Vacuum Pressure Difference
DL/T 432, Determination of Particulate Contamination in Oil
DL/T 703, Determination of Dissolved Gas Content in Insulating Oil by Gas
Chromatography
DL/T 929, Determination of the Content in Insulating Oil and Lubricating Oil by
Infrared Spectrum Method
DL/T 1094, Guide to the Choice of Power Transformer Oil
DL/T 1095, Guide to on-site Determination of Electrostatic Charging Tendency of
Transformer Oil
DL/T 1354, The Method of Flash Point of Power Oil by Microscale Continuously
Closed Cup Tester
DL/T 1355, Method for Determination of Furfural Content in Transformer Oil by
HPLC
NB/SH/T 0810, Gassing of Insulating Liquids under Electrical Stress and Ionization
NB/SH/T 0812, Mineral Insulating Oils – Method for the determination of 2-furfural
and Related Compounds
SH/T 0802, Determination of 2,6-bi-tert-butyl-paracresol in Insulating Oils
SH/T 0804, Detection of Corrosive Sulfur of Insulating Oils – Silver Strip Test
|