CN109358277A - A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas - Google Patents
A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas Download PDFInfo
- Publication number
- CN109358277A CN109358277A CN201811539276.1A CN201811539276A CN109358277A CN 109358277 A CN109358277 A CN 109358277A CN 201811539276 A CN201811539276 A CN 201811539276A CN 109358277 A CN109358277 A CN 109358277A
- Authority
- CN
- China
- Prior art keywords
- gas
- defect
- different type
- paper oil
- oil insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1281—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of liquids or gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8675—Evaluation, i.e. decoding of the signal into analytical information
- G01N30/8686—Fingerprinting, e.g. without prior knowledge of the sample components
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Library & Information Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention provides analogy methods and system that a kind of different type natural esters paper oil insulation defect produces gas, comprising: S1, production different type paper oil insulation defect；S2, regulation paper oil insulation winding current, monitor temperature information, simulate overheating defect；S3, application voltage swing is adjusted, simulates discharge defect；S4, the process simulation that paper oil insulation defect produces gas extremely under electric-thermal synergy is carried out；S5, gas analysis is carried out to the gas of generation, analyzes the gas characteristic fingerprint of different type paper oil insulation defect.The present invention solves the problems, such as that natural esters transformer is easy to realize because overheat, electric discharge cause exception to produce gas and carry out process simulation to different types of oilpaper defect in the prior art, to ensure that the safe operation of natural esters transformer provides strong technical support.
Description
Technical field
The present invention relates to the paper insulated fault diagnosis field of transformer oil, especially a kind of different type natural esters oilpaper is exhausted
The analogy method and system of edge defect production gas.
Background technique
Natural esters insulating oil has good electric property, and flash-point is higher than 300 DEG C, and biological degradation rate is up to 97%, saturation
Water content is high, and environmental protection is renewable, has good flame-retarding characteristic, is applicable in the high place of fire protection requirement, and can effectively delay absolutely
Edge paper aging, it is considered to be the best substitute of mineral insulating oil.In the past 20 years, domestic and foreign scholars carry out natural esters insulating oil
Extensive research, achieves the progress to attract people's attention, natural esters insulating oil has been applied successfully to distribution transformer
Device and high-voltage large-capacity transformer.
1999, ABB AB of Sweden produced the natural esters Insulation Oil Transformer of first trade name " BIOTEMP "；
2000 to 2009, Alstom Grid developed 245kV natural esters (plant) insulating oil power transformer using FR3 insulating oil
Device, in Brazilian hanging net operation.2014, the auspicious success independent research in Wuhan south went out 10kV natural esters Insulation Oil Transformer；The same year,
Siemens Company develops global first 420kV natural esters Insulation Oil Transformer and debugs in German electricity grid substation and successfully puts into
Operation.In November, 2017, Guangzhou power supply bureau cooperate successfully to develop first of China with University Of Chongqing with independent intellectual property rights
110kV natural esters Insulation Oil Transformer simultaneously puts into operation.In April, 2018,132kV (40MVA) natural esters that positive Thailand electrically develops
Insulation Oil Transformer disposably passes through type approval test.In September, 2018, the independent research of Shandong Electric Power Group limited device company are gone abroad content
Measure maximum 110kV/63MVA natural esters Insulation Oil Transformer.Natural esters (plant) the insulating oil transformation of Present Global in operation
Device is more than 1,000,000, and in 10~420kV, range of capacity shows quickly voltage class ranges in 6.25~300MVA
The situation of growth, voltage class and capacity also gradually rise, wherein there is 25000 large and medium-sized natural esters insulating transformer.
The natural esters transformer run in power grid is more and more, and compared with mineral oil transformer, at present both at home and abroad about
It is in the further investigation stage using the O&M technology of natural esters transformer, still immature, the standard having been carried out is IEEE
StdC57.147-2018 " transformer checks and accepts and safeguard directive/guide with natural esters ", IEC 62770-2013 " electrician's transformer fluid
With the original natural esters of similar electrical equipment ", IEEE C57.155-2014 " natural esters and synthetic ester liquid-immersed transformer
Produce gas in oil and analyze directive/guide ", DL/T1811-2018 " power transformer with natural esters insulating oil select directive/guide ", DLT 1360-
2014 " bean plant transformer oil quality standards ", Q GDW11659-2016 " lead by natural esters insulating oil distribution transformer technology
Then ".Overheat and electric discharge are two main causes that oil-filled equipment produces gas extremely.According to statistics, common transformer oil paper insulation lacks
Falling into mainly has hot-spot, shelf depreciation, edge flashing arc discharge, insulation breakdown.Superheated steam drier refers to due to thermal stress
Insulation degradation is caused to accelerate generated failure.The main reason for causing overheating fault has overlond running, tap switch contact not
It is bad etc. that good, conducting wire overheat, poor contact or fastener loosen and local stopping up of oil channel causes to radiate.Discharge fault is according to putting
The difference of electric flux can be divided into: shelf depreciation, low energy electric discharge and high-energy discharge three types.Spark discharge is low energy electric discharge
One of principal mode.The Typical Representative of high-energy discharge is arc discharge.Using dissolved gas analysis (Dissolved gas
Analysis, referred to as DGA) Hidden fault inside the oil-filled electric equipments such as technological prediction transformer is power transformer etc.
The important means of oil immersion insulator arrangement insulation control.Mainly there are eight kinds of spies of C2H2, C2H4, CH4, H2, C2H4, C2H6, CO, CO2
Levy gas.There are great differences on molecular structure composition and oil product attribute for natural esters and mineral oil, sunykatuib analysis different type
Natural esters insulating oil caused by natural esters-paper insulation defect type produces gas situation, to preferably popularization and application natural esters and control
The oil quality of natural esters ensures that the operation of natural esters transformer safety provides strong technical support.
Summary of the invention
The object of the present invention is to provide a kind of different type natural esters paper oil insulation defect produce gas analogy method and system,
Aim to solve the problem that natural esters transformer is easy to realize because overheat, electric discharge lead to abnormal the problem of producing gas to difference in the prior art
The oilpaper defect of type carries out process simulation, to ensure that the safe operation of natural esters transformer provides strong technical support.
To reach above-mentioned technical purpose, the present invention provides the moulds that a kind of different type natural esters paper oil insulation defect produces gas
Quasi- method, the method includes following operations:
S1, production different type paper oil insulation defect；
S2, regulation paper oil insulation winding current, monitor temperature information, simulate overheating defect；
S3, application voltage swing is adjusted, simulates discharge defect；
S4, the process simulation that paper oil insulation defect produces gas extremely under electric-thermal synergy is carried out；
S5, gas analysis is carried out to the gas of generation, analyzes the gas characteristic fingerprint of different type paper oil insulation defect.
Preferably, the different type paper oil insulation defect includes the paper oil insulation winding model of hot-spot defect, office
Paper oil insulation defect model, the paper oil insulation defect model of spark discharge and arc discharge of portion's electric discharge.
Preferably, the current regulation scope is 0-1000A, and the voltage regulation limits are 0-500KV.
Preferably, the gas analysis uses gas chromatography analysis method.
The present invention also provides the simulation system that a kind of different type natural esters paper oil insulation defect produces gas, the system packets
It includes:
Voltage compression module produces under electric-thermal synergy extremely for providing different type natural esters-paper insulation defect
Test voltage needed for gas test simulation；
Module that winding current is through-flow, for providing the electric current of winding internal circulation, simulation natural esters transformer is negative in difference
Heating in winding in the case of load；
Heating and temperature control modules, for carrying out temperature monitoring to the through-flow module of winding current；
Defect process simulation module, for carrying out process simulation to different types of paper oil insulation defect；
Gas analysis module carries out gas analysis for monitoring under different type defect, analyzes gaseous species and gas
Body content identifies the gas characteristic fingerprint under different type insulation defect.
Preferably, the different type paper oil insulation defect includes the paper oil insulation winding model of hot-spot defect, office
Paper oil insulation defect model, the paper oil insulation defect model of spark discharge and arc discharge of portion's electric discharge.
Preferably, the current regulation scope is 0-1000A, and the voltage regulation limits are 0-500KV.
Preferably, the gas analysis uses gas chromatography analysis method.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
Compared with prior art, the present invention realizes the natural ester oil of different type under electric-thermal synergy-paper insulation defect
The simulation of gas is produced, includes mainly winding hot-spot defect, shelf depreciation, spark discharge and arc discharge defect, utilizes electricity
Compression module building shelf depreciation, spark discharge and arc discharge defect are pressed, constructs part using the through-flow module of winding current
Overheating defect, simulate electric-thermal synergy under paper oil insulation winding hot-spot, paper oil insulation discharge defect generate oil in it is molten
Gaseous species, gas content and gas characteristic fingerprint are solved, it can be to the better oil for promoting and applying natural esters and managing natural esters
Quality ensures that the safe operation of natural esters transformer provides strong technical support.
Detailed description of the invention
Fig. 1 is a kind of simulation side of different type natural esters paper oil insulation defect production gas provided in the embodiment of the present invention
Method flow chart；
Fig. 2 is a kind of simulation system of different type natural esters paper oil insulation defect production gas provided in the embodiment of the present invention
System structural block diagram.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
It is provided for the embodiments of the invention a kind of different type natural esters paper oil insulation defect production gas with reference to the accompanying drawing
Analogy method be described in detail with system.
As shown in Figure 1, the embodiment of the invention discloses the simulations that a kind of different type natural esters paper oil insulation defect produces gas
Method, the method includes following operations:
S1, production different type paper oil insulation defect；
S2, regulation paper oil insulation winding current, monitor temperature information, simulate overheating defect；
S3, application voltage swing is adjusted, simulates discharge defect；
S4, the process simulation that paper oil insulation defect produces gas extremely under electric-thermal synergy is carried out；
S5, gas analysis is carried out to the gas of generation, analyzes the gas characteristic fingerprint of different type paper oil insulation defect.
Oil-filled equipment produces two main causes of gas extremely when due to overheat and electric discharge, right in embodiments of the present invention
Different types of natural esters-paper insulation defect causes natural esters insulating oil production gas situation to be simulated.
Paper oil insulation defect module needed for installation simulation, including voltage compression module and the through-flow module of winding current.
Different type natural esters-paper insulation defect, which is provided, by voltage compression module produces gas test mould extremely under electric-thermal synergy
Intend required test voltage, the voltage adjustable extent is 0-500KV；It is provided inside winding by the through-flow module of winding current
The electric current of circulation, corresponding to heating in winding of the simulation natural esters transformer in different loads, the electric current provided can be in 0-
It is adjusted within the scope of 1000A.
By flowing through the current value of defect winding to the regulation of winding current through-flow module, make heating in winding, and pass through heating
Winding temperature is monitored with temperature control modules.The heating and temperature control modules are in addition to the through-flow module of winding current
It carries out outside temperature monitoring, which also provides auxiliary heating, that is, uses oil bath heating device by the exhausted of paper oil insulation defect module
Edge ester oil is heated to predetermined oil temperature, promotes the temperature condition of simulated defect, and temperature regulating range is 20-150 degree.
Different types of paper oil insulation defect is constructed by voltage compression module, the normal paper oil insulation including being free of defect
Winding model, the paper oil insulation winding model of hot-spot defect, the paper oil insulation defect model of shelf depreciation, spark discharge and
The paper oil insulation defect model of arc discharge.
After constructing different type paper oil insulation defect, through gas analysis module monitoring under different type defect, it is
It is no to have gas generation.The insulating oil for extracting different types of paper oil insulation defect under electric-thermal synergy, using gas-chromatography point
Analysis method analyzes the content of paper oil insulation winding hot-spot, the type for the oil dissolved gas that electric discharge generates and gas, knows
Gas characteristic fingerprint under other different type insulation defect.
The embodiment of the present invention realizes the mould that the natural ester oil of different type under electric-thermal synergy-paper insulation defect produces gas
It is quasi-, include mainly winding hot-spot defect, shelf depreciation, spark discharge and arc discharge defect, utilizes voltage compression molding
Block constructs shelf depreciation, spark discharge and arc discharge defect, constructs hot-spot defect using the through-flow module of winding current,
Simulate paper oil insulation winding hot-spot under electric-thermal synergy, the oil dissolved gas kind that paper oil insulation discharge defect generates
Class, gas content and gas characteristic fingerprint can protect the better oil quality for promoting and applying natural esters and managing natural esters
The safe operation for hindering natural esters transformer provides strong technical support.
As shown in Fig. 2, the embodiment of the invention also discloses the moulds that a kind of different type natural esters paper oil insulation defect produces gas
Quasi- system, comprising:
Voltage compression module produces under electric-thermal synergy extremely for providing different type natural esters-paper insulation defect
Test voltage needed for gas test simulation；
Module that winding current is through-flow, for providing the electric current of winding internal circulation, simulation natural esters transformer is negative in difference
Heating in winding in the case of load；
Heating and temperature control modules, for carrying out temperature monitoring to the through-flow module of winding current；
Defect process simulation module, for carrying out process simulation to different types of paper oil insulation defect；
Gas analysis module carries out gas analysis for monitoring under different type defect, analyzes gaseous species and gas
Body content identifies the gas characteristic fingerprint under different type insulation defect.
Paper oil insulation defect module needed for installation simulation, including voltage compression module and the through-flow module of winding current.
Different type natural esters-paper insulation defect, which is provided, by voltage compression module produces gas test mould extremely under electric-thermal synergy
Intend required test voltage, the voltage adjustable extent is 0-500KV；It is provided inside winding by the through-flow module of winding current
The electric current of circulation, corresponding to heating in winding of the simulation natural esters transformer in different loads, the electric current provided can be in 0-
It is adjusted within the scope of 1000A.
By flowing through the current value of defect winding to the regulation of winding current through-flow module, make heating in winding, and pass through heating
Winding temperature is monitored with temperature control modules.The heating and temperature control modules are in addition to the through-flow module of winding current
It carries out outside temperature monitoring, which also provides auxiliary heating, that is, uses oil bath heating device by the exhausted of paper oil insulation defect module
Edge ester oil is heated to predetermined oil temperature, promotes the temperature condition of simulated defect, and temperature regulating range is 20-150 degree.
Different types of paper oil insulation defect is constructed by voltage compression module, the normal paper oil insulation including being free of defect
Winding model, the paper oil insulation winding model of hot-spot defect, the paper oil insulation defect model of shelf depreciation, spark discharge and
The paper oil insulation defect model of arc discharge.Different types of paper oil insulation defect was carried out using defect process simulation module
Journey simulation.
After constructing different type paper oil insulation defect, through gas analysis module monitoring under different type defect, it is
It is no to have gas generation.The insulating oil for extracting different types of paper oil insulation defect under electric-thermal synergy, using gas-chromatography point
Analysis method analyzes the content of paper oil insulation winding hot-spot, the type for the oil dissolved gas that electric discharge generates and gas, knows
Gas characteristic fingerprint under other different type insulation defect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. the analogy method that a kind of different type natural esters paper oil insulation defect produces gas, which is characterized in that the method includes with
Lower operation:
S1, production different type paper oil insulation defect；
S2, regulation paper oil insulation winding current, monitor temperature information, simulate overheating defect；
S3, application voltage swing is adjusted, simulates discharge defect；
S4, the process simulation that paper oil insulation defect produces gas extremely under electric-thermal synergy is carried out；
S5, gas analysis is carried out to the gas of generation, analyzes the gas characteristic fingerprint of different type paper oil insulation defect.
2. a kind of different type natural esters paper oil insulation defect according to claim 1 produces the analogy method of gas, feature
It is, the different type paper oil insulation defect includes the oil of the paper oil insulation winding model of hot-spot defect, shelf depreciation
The paper oil insulation defect model of paper insulation defect model, spark discharge and arc discharge.
3. a kind of different type natural esters paper oil insulation defect according to claim 2 produces the analogy method of gas, feature
It is, the current regulation scope is 0-1000A, and the voltage regulation limits are 0-500KV.
4. a kind of different type natural esters paper oil insulation defect according to claim 1 produces the analogy method of gas, feature
It is, the gas analysis uses gas chromatography analysis method.
5. the simulation system that a kind of different type natural esters paper oil insulation defect produces gas, which is characterized in that the system comprises:
Voltage compression module produces gas examination for providing different type natural esters-paper insulation defect extremely under electric-thermal synergy
Test voltage needed for testing simulation；
Module that winding current is through-flow simulates natural esters transformer in different loads feelings for providing the electric current of winding internal circulation
Heating in winding under condition；
Heating and temperature control modules, for carrying out temperature monitoring to the through-flow module of winding current；
Defect process simulation module, for carrying out process simulation to different types of paper oil insulation defect；
Gas analysis module carries out gas analysis for monitoring under different type defect, analyzes gaseous species and gas contains
Amount identifies the gas characteristic fingerprint under different type insulation defect.
6. a kind of different type natural esters paper oil insulation defect according to claim 5 produces the simulation system of gas, feature
It is, the different type paper oil insulation defect includes the oil of the paper oil insulation winding model of hot-spot defect, shelf depreciation
The paper oil insulation defect model of paper insulation defect model, spark discharge and arc discharge.
7. a kind of different type natural esters paper oil insulation defect according to claim 6 produces the simulation system of gas, feature
It is, the current regulation scope is 0-1000A, and the voltage regulation limits are 0-500KV.
8. a kind of different type natural esters paper oil insulation defect according to claim 5 produces the simulation system of gas, feature
It is, the gas analysis uses gas chromatography analysis method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539276.1A CN109358277A (en) | 2018-12-14 | 2018-12-14 | A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539276.1A CN109358277A (en) | 2018-12-14 | 2018-12-14 | A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109358277A true CN109358277A (en) | 2019-02-19 |
Family
ID=65328933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539276.1A Pending CN109358277A (en) | 2018-12-14 | 2018-12-14 | A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109358277A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703061A (en) * | 2019-11-20 | 2020-01-17 | 国网黑龙江省电力有限公司电力科学研究院 | Mixed insulating oil local thermal fault gas production rule simulation test device |
| CN111596181A (en) * | 2020-05-28 | 2020-08-28 | 华北电力大学（保定） | Transformer solid insulation aging evaluation method based on bubble escape temperature |
| CN112731074A (en) * | 2020-12-17 | 2021-04-30 | 深圳供电局有限公司 | Oil paper insulation aging test system |
| CN114371375A (en) * | 2021-12-24 | 2022-04-19 | 山东大学 | Method and system for simulating and measuring arc discharge in converter transformer insulating oil |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004061485A (en) * | 2002-06-03 | 2004-02-26 | Chubu Electric Power Co Inc | Method of analyzing pcb |
| CN103105568A (en) * | 2013-01-16 | 2013-05-15 | 重庆市电力公司电力科学研究院 | Transformer paper oil insulation experiment device integrated with electric heating combination ageing and partial discharge |
| CN103954895A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper compound insulation electrical ageing test system |
| CN103954896A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper insulation partial discharge inception voltage test system |
| CN106443386A (en) * | 2016-10-20 | 2017-02-22 | 重庆大学 | Streamer discharge test system for insulating oil |
| CN107063349A (en) * | 2017-04-17 | 2017-08-18 | 云南电网有限责任公司电力科学研究院 | A kind of method and device of Fault Diagnosis Method of Power Transformer |
| CN107656161A (en) * | 2017-11-14 | 2018-02-02 | 国网山东省电力公司电力科学研究院 | A kind of diagnostic method and system of natural esters Insulation Oil Transformer internal fault |
-
2018
- 2018-12-14 CN CN201811539276.1A patent/CN109358277A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004061485A (en) * | 2002-06-03 | 2004-02-26 | Chubu Electric Power Co Inc | Method of analyzing pcb |
| CN103105568A (en) * | 2013-01-16 | 2013-05-15 | 重庆市电力公司电力科学研究院 | Transformer paper oil insulation experiment device integrated with electric heating combination ageing and partial discharge |
| CN103954895A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper compound insulation electrical ageing test system |
| CN103954896A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper insulation partial discharge inception voltage test system |
| CN106443386A (en) * | 2016-10-20 | 2017-02-22 | 重庆大学 | Streamer discharge test system for insulating oil |
| CN107063349A (en) * | 2017-04-17 | 2017-08-18 | 云南电网有限责任公司电力科学研究院 | A kind of method and device of Fault Diagnosis Method of Power Transformer |
| CN107656161A (en) * | 2017-11-14 | 2018-02-02 | 国网山东省电力公司电力科学研究院 | A kind of diagnostic method and system of natural esters Insulation Oil Transformer internal fault |
Non-Patent Citations (1)
| Title |
|---|
| 党剑亮: "典型故障下菜籽绝缘油中溶解气体的研究", 《重庆大学硕士论文》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703061A (en) * | 2019-11-20 | 2020-01-17 | 国网黑龙江省电力有限公司电力科学研究院 | Mixed insulating oil local thermal fault gas production rule simulation test device |
| CN110703061B (en) * | 2019-11-20 | 2021-06-18 | 国网黑龙江省电力有限公司电力科学研究院 | Mixed insulating oil local thermal fault gas production rule simulation test device |
| CN111596181A (en) * | 2020-05-28 | 2020-08-28 | 华北电力大学（保定） | Transformer solid insulation aging evaluation method based on bubble escape temperature |
| CN111596181B (en) * | 2020-05-28 | 2022-05-06 | 华北电力大学（保定） | Transformer solid insulation aging evaluation method based on bubble escape temperature |
| CN112731074A (en) * | 2020-12-17 | 2021-04-30 | 深圳供电局有限公司 | Oil paper insulation aging test system |
| CN114371375A (en) * | 2021-12-24 | 2022-04-19 | 山东大学 | Method and system for simulating and measuring arc discharge in converter transformer insulating oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109358277A (en) | A kind of different type natural esters paper oil insulation defect produces the analogy method and system of gas | |
| WO2015176687A1 (en) | Integrated high and low voltage ride through test system | |
| Li et al. | Research on saturated iron-core superconductive fault current limiters applied in VSC-HVDC systems | |
| CN105629132A (en) | Method for detecting external insulating materials and conductive cores of wires and cables | |
| CN102645596B (en) | High-voltage and high-current composite thermally stable test method and device for high-voltage casing pipe | |
| Khanali et al. | Effects of voltages with high-frequency contents on the transformer insulation properties | |
| CN111551875B (en) | Fault simulation system of multi-state transformer | |
| Ymeri et al. | Impacts of Distributed Generation in Energy Losses and voltage drop in 10 kV line in the Distribution System | |
| He et al. | Study on transformer oil dissolved gas online monitoring and fault diagnosis method | |
| CN104714158A (en) | Alternating-current ultrahigh voltage main transformer and regulation transformer combined partial discharge testing system and method | |
| CN103197207A (en) | Insulation supporting part electrical-ageing-resistance analysis method for high-voltage electrical appliances | |
| Yuan et al. | Dielectric loss and partial discharge test analysis of 10 kV XLPE cable | |
| Yang et al. | A simulation calculation method for suppressing the magnetizing inrush current in the setting of the overcurrent protection of the connecting transformer in the hydropower station | |
| Liu et al. | The electromagnetic compatibility research of electronic transformer under simulated complex environment | |
| Zhao et al. | Research on the defect development of cable accessories under AC voltage | |
| Thango et al. | Evaluating the harmonic effects on the thermal performance of distributed photovoltaic power generation systems | |
| Duan et al. | Computer simulation analysis of power transformer test design technology | |
| Feng et al. | Exploring methods for short circuit testing of high voltage fault current limiter based on high coupling split reactors | |
| CN220650791U (en) | Dual-hot plate dual-voltage cold and hot circulation testing machine for electric tracing band detection | |
| Kuczek et al. | Analyses of vacuum circuit breaker switching transients in medium voltage networks with respect to LC filters of solar converters | |
| CN202600062U (en) | High-voltage heavy-current composite thermal stability testing device for high voltage bushings | |
| CN204156313U (en) | A kind of structure reducing field regulator interchange incoming line cabinet eddy current effect | |
| Popa et al. | Some power quality issues in power substation from residential and educational buildings | |
| CN202794370U (en) | Device for testing current-carrying capacity and heat generation of overhead insulated cables with carbon fiber reinforced core | |
| Wang et al. | Research on testing and simulation analysis of overvoltage waveform on the roof of a moving train |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |
|
| RJ01 | Rejection of invention patent application after publication |