DL/T 1498.2-2016 English PDF (DLT1498.2-2016)

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DL/T 1498.2-2016: Technical specification for on-line monitoring device of transformation equipmwnt. Part2 on-line monitoring device of gases dissolved in transformer oil
DL/T 1498.2-2016
DL
ELECTRIC INDUSTRIAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.040.10
E 38
Registration number. 53918-2016
Technical specification for on-line monitoring device of
transformation equipment - Part 2. on-line monitoring
device of gases dissolved in transformer oil
ISSUED ON. JANUARY 07, 2016
IMPLEMENTED ON. JUNE 01, 2016
Issued by. National Energy Administration
Table of contents
Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 5 
4 Composition of on-line monitoring device of gases dissolved in transformer
oil ... 6 
4.1 Oil sample collection and gas-oil separation part ... 7 
4.2 Gas detection part ... 7 
4.3 Data collection and control part ... 7 
4.4 Communication part ... 7 
4.5 Auxiliary part ... 7 
5 Classification of on-line monitoring device of gases dissolved in
transformer oil ... 7 
5.1 Multi-component on-line monitoring device ... 7 
5.2 Low-component on-line monitoring device ... 8 
6 Technical requirements ... 8 
6.1 General technical requirements ... 8 
6.2 Access safety requirements ... 8 
6.3 Oil sample collection part requirements ... 8 
6.4 Sampling piping requirements ... 9 
6.5 Function requirements ... 9 
6.6 Performance requirements ... 9 
7 Test items and requirements ... 12 
7.1 Test environment ... 12 
7.2 Function and performance test ... 12 
8 Inspection rules ... 14 
8.1 Inspection category ... 14 
8.2 Type test ... 15 
8.3 Exit-factory test ... 15 
8.4 Handover test ... 15 
8.5 Field test ... 16 
9 Marking, packaging, transportation and storage ... 16 
9.1 Marking ... 16 
9.2 Packaging ... 17 
9.3 Transportation ... 17 
9.4 Storage ... 17 
Foreword
DL/T 1498 “Technical specification for on-line monitoring device of
transformation equipment” is divided into five parts.
- Part 1. General;
- Part 2. Online monitoring device for dissolved gases in transformer oil;
- Part 3. On-line insulation monitoring device of capacitive equipment and
metal oxide arrester;
- Part 4. On-line monitoring device for gas-insulated metal-enclosed
switchgear very high frequency local discharge;
- Part 5. On-line monitoring device for transformer iron core grounding
current.
This part is part 2.
This part was proposed by the China Electricity Council.
This part shall be under the jurisdiction of the National Electric Power
Equipment State Maintenance and Online Monitoring Standardization
Technical Committee.
The responsible drafting organizations of this part. China Electric Power
Research Institute.
The main participating drafting organizations of this part. State Grid Anhui
Electric Power Company, State Grid Hebei Electric Power Company,
Guangdong Power Grid Company Limited Electric Power Research Institute,
Ningbo Science and Technology Monitoring Technology Co., Ltd., Henan
Zhongfen Instrument Co., Ltd., Siyuan Electric Co., Ltd.
The 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, Zhang
Wei.
Any opinions or recommendation on this part during its implementation shall be
feedbacked to the China Electricity Council Standardization Management
Center (Beijing Baiguang Road, Lane 2, No. 1, 100761).
Technical specification for on-line monitoring device of
transformation equipment - Part 2. on-line monitoring
device of gases dissolved in transformer oil
1 Scope
This part specifies the terms and definitions, composition, classification,
technical requirements, test items and requirements, inspection rules and
marking, packaging, transportation and storage of the on-line monitoring
device of gases dissolved in transformer oil.
This part is applicable to the design, production, type selection, operation and
maintenance of the on-line monitoring device of gases dissolved in transformer
oil.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this Standard.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 17623 Determination of component contents of gases dissolved in
insulating oil by gas chromatography method
DL/T 722-2014 Guide to the analysis and the diagnosis of gases dissolved
in transformer oil
DL/T 1498.1-2016 Technical specification for on-line monitoring device of
transformation equipment - Part 1. General
DL/T 1432.2 Testing specification for on-line monitoring device of
transformation equipment - Part 2. Online monitoring device for dissolved
gas in transformer oil
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
On-line monitoring device of gases dissolved in transformer oil
dissolved in transformer oil
4.1 Oil sample collection and gas-oil separation part
The oil sample collection part is connected with the oil tank valve of the
monitored equipment to complete the sampling of the transformer oil. AND the
gas-oil separation part realizes the separation of the gases dissolved in oil
from the transformer oil.
4.2 Gas detection part
Gas detection part is used for the detection of the mixed gas components after
gas-oil separation.
4.3 Data collection and control part
It is used to complete the signal collection and data processing, AND to realize
the automatic control of the analysis process.
4.4 Communication part
The communication part is used to realize the communication between other
equipment and this device, AND it shall use the standard communication
interface and protocol which comply with the monitoring data and control
command transmission requirements.
4.5 Auxiliary part
The auxiliary part refers to other relevant parts which are used to ensure that
the device is working properly, such as temperature control, gas cylinders,
piping and so on.
5 Classification of on-line monitoring device of gases
dissolved in transformer oil
5.1 Multi-component on-line monitoring device
It refers to the monitoring device which monitors at least 6 components of
gases dissolved in transformer oil, which is used for defect or fault alarming
and fault type diagnosis. The monitoring items include hydrogen (H2), methane
(CH4), ethane (C2H6), ethylene (C2H4), acetylene (C2H2), and carbon monoxide
(CO). The commonly used device is the monitoring device of 7 characteristic
gases including carbon dioxide (CO2). AND the oxygen (O2) and nitrogen (N2)
are optional monitoring items.
6.4 Sampling piping requirements
The oil piping shall be made of stainless steel or copper and other materials.
Outside the oil piping, it may be added with piping tracing heat belt, ...