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DL/T 1432.2-2016: Testing specification for on-line monitoring device of transformation equipment - Part 2: On-line monitoring device of gases dissolved in transformer oil Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsDL/T 1432.2-2016: Testing specification for on-line monitoring device of transformation equipment - Part 2: On-line monitoring device of gases dissolved in transformer oil---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/DLT1432.2-2016 DL ELECTRIC POWER INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.040.10 E 38 Filing No.. 53907-2016 Testing specification for on-line monitoring device of transformation equipment - Part 2. On-line monitoring device of gases dissolved in transformer oil Issued on: JANUARY 7, 2016 Implemented on: JUNE 1, 2016 Issued by. National Energy Administration Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Test conditions ... 5 4 Test items ... 5 5 Instruments and materials ... 6 6 Test contents and requirements ... 7 7 Test result processing and test cycle ... 11 Annex A (Informative) Records of the measurement error test results ... 12ForewordDL/T 1432 Testing specification for on-line monitoring device of transformation equipment is divided into 5 parts. — Part 1. General testing specification; — Part 2. On-line monitoring device of gases dissolved in transformer oil; — Part 3. On-line insulation monitoring device of capacitive equipment and metal-oxide surge arrester; — Part 4. On-line partial discharge monitoring device (UHF) of gas insulated switchgear; — Part 5. On-line monitoring device of the earthing current of power transformer core. This Part is Part 2. This Part was proposed by the China Electricity Council. This Part shall be under the jurisdiction of the National Technical Committee for Standardization of Condition-based Maintenance and On-line Monitoring of Electrical Power Units. Major drafting organization of this Part. China Electric Power Research Institute. Major participating organizations of this Part. State Grid Zhejiang Electric Power Company, State Grid Hebei Electric Power Company, Electric Power Research Institute of Guangdong Power Grid Corporation, Ningbo Ligong Online Monitoring Technology Co., Ltd, Henan Zhongfen Instrument Co., Ltd, and Sieyuan Electric Co., Ltd. Main drafters of this Part. Yuan Shuai, Yan Chunyu, Gao Keli, Bi Jiangang, Shi Yanjie, Liu Ming, Wang Feng, Peng Jiang, Wu Liyuan, Yang Yuan, Gong Yanpeng, Yang Ning, Chang Wenzhi, Jiao Fei, Qi Jiong, Zhang Liyan, Fu Qiang, Zhao Yong, Zhang Hongbo, Li Gang, Meng Nan, Deng Yanguo and Zhang Wei. Any comments or suggestions about this Standard in the implementation process shall be fed back to the Standardized Management Center of the China Electricity Council (No. 1, Lane 2, Baiguang Road, Beijing, 100761). Testing specification for on-line monitoring device of transformation equipment - Part 2. On-line monitoring device of gases dissolved in transformer oil1 ScopeThis Part specifies the test conditions, test items, instruments and materials, test contents and requirements, test result processing and test cycle for the on- line monitoring device of gases dissolved in transformer oil. This Part is applicable to the testing of special test items for the on-line monitoring device of gases dissolved in transformer oil.2 Normative referencesThe following documents are essential to the application of this document. For dated references, only the editions with the dates indicated are applicable to this document. For undated references, only the latest editions (including all the amendments) are applicable to this document. GB 2536 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear GB/T 7597 Method of sampling for transformer and turbine oils in electric power industry GB/T 17623-1998 Determination of component contents of gases dissolved in insulating oil by gas chromatography method DL/T 722 Guide to the analysis and the diagnosis of gases dissolved in transformer oil DL/T 1432.1-2015 Testing specification for on-line monitoring device of transformation equipment - Part 1. General testing specification DL/T 1498.2-2016 Technical specification for on-line monitoring device of transformation equipment - Part 2. On-line monitoring device of gases dissolved in transformer oil3 Test conditionsThe test conditions are as follows. a) ambient temperature. 15°C ~ 35°C; b) relative humidity. 25% ~ 75%; c) atmospheric pressure. 86kPa ~ 106kPa; and d) the supply voltage and power shall conform to the requirements given in the manual for the on-line monitoring device of gases dissolved in transformer oil. Note. When the equipment cannot be tested under the above conditions for some reason, the actual weather conditions shall be recorded in the test report.4 Test itemsThe tests for the on-line monitoring device of gases dissolved in transformer oil are divided into type test, exit-factory test, commissioning test and field test. The test requirements for general items are in accordance with DL/T 1432.1- 2015 Testing specification for on-line monitoring device of transformation equipment - Part 1. General testing specification. The special items shall be implemented in accordance with this Standard. The specific test items are shown in Table 1. Table 1 -- Test Items for the On-line Monitoring Device of Gases Dissolved in Transformer Oil S/N Test item Standard Clause Type test Exit- factory test Commissioning test Field test 1 Structure and appearance inspection DL/T 1432.1- 2015 4.2 ● ● ● ● 2 Basic function testing DL/T 1432.1-2015 4.3 ● ● ● ● 3 Insulation resistance test DL/T 1432.1-2015 4.6.1 ● ● ● * 4 Dielectric strength test DL/T 1432.1-2015 4.6.2 ● ● * * 5 Impulse voltage test DL/T 1432.1-2015 4.6.3 ● ● * ○ 6 Electromagnetic compatibility test DL/T 1432.1- 2015 4.7 ● ○ ○ ○ 7 Cold test DL/T 1432.1-2015 4.5.2 ● ○ ○ ○ 5.3 Standard gas mixture for calibration The standard gas mixture, accompanied with the content of components, inspection certificate and effective life, shall be prepared by the organization(s) authorized by the national metrology department, which is mainly used for the calibration of laboratory gas chromatograph. 5.4 Gases for the preparation of oil samples The gases for the preparation of oil samples shall be single-component gas and multi-component gas mixture containing the following components. hydrogen (H2), methane (CH4), ethane (C2H6), ethylene (C2H4), acetylene (C2H2), carbon monoxide (CO) and carbon dioxide (CO2). 5.5 Other gases Other gases used in the testing shall conform to the following requirements. a) Nitrogen (or argon). The purity shall not be less than 99.99%. b) Hydrogen. The purity shall not be less than 99.99%. c) Air. Pure and oil-free. 5.6 Oil sample preparation device The device shall have the functions of temperature control, stirring, etc., and shall be equipped with the gas inlet, oil sampling port, interface of the on-line monitoring device, etc. 5.7 Tubes for the gas and oil circuit systems Stainless steel tubes, copper tubes or oil-resistant polymer tubes with a wall thickness of not less than 1mm shall be used as the sampling tubes. 5.8 Thermometer, barometer The thermometer and barometer for testing shall conform to the following requirements. a) The measuring range of the thermometer shall be -20°C to 50°C, and the measurement accuracy shall not be greater than 0.1°C. b) The measuring range of the barometer shall be 80kPa to 110kPa, and the measurement accuracy shall not be greater than 0.2kPa.6 Test contents and requirements6.1 Measurement error test 6.3.2 Qualification criteria. The minimum test cycle of the device shall not exceed the time specified in Tables 3 and 4 of DL/T 1498.2-2016 Technical specification for on-line monitoring device of transformation equipment - Part 2. On-line monitoring device of gases dissolved in transformer oil. 6.4 Data transmission test When communication connection is established between the on-line monitoring device and the computer, it shall be able to realize real-time data export. 6.5 Check for data analysis function a) The multi-component monitoring device shall provide component content, so as to be able to calculate the absolute gas production rate and relative gas production rate. In addition, there are a variety of display methods, such as reports, tendency charts, single-component display, simultaneous multi- component display, etc. The device also has the functions of alarm and fault diagnosis. b) The low-component monitoring device shall at least be able to monitor the component contents of hydrogen (H2), acetylene (C2H2) and other critical gases, along with the function of fault diagnosis. c) Qualification criteria. The on-line monitoring device shall be possessed of the above functions in normal operating condition.7 Test result processing and test cycle7.1 Test result processing If conforming to the requirements of the above standards, the test conclusion of “qualified” will be given for the on-line monitoring device of gases dissolved in transformer oil, otherwise the test conclusion of “unqualified” will be given instead. For each qualified on-line monitoring device of gases diss... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of DL/T 1432.2-2016 be delivered?Answer: The full copy PDF of English version of DL/T 1432.2-2016 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of DL/T 1432.2-2016_English with my colleagues?Answer: Yes. The purchased PDF of DL/T 1432.2-2016_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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