CN107329061A - A kind of submarine cable high-voltage isulation performance test system and determination method - Google Patents
A kind of submarine cable high-voltage isulation performance test system and determination method Download PDFInfo
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- CN107329061A CN107329061A CN201710600354.3A CN201710600354A CN107329061A CN 107329061 A CN107329061 A CN 107329061A CN 201710600354 A CN201710600354 A CN 201710600354A CN 107329061 A CN107329061 A CN 107329061A
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- 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
- G01R31/1272—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 cable, line or wire insulation, e.g. using partial discharge measurements
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- 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
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of submarine cable high-voltage isulation performance test system and determination method, the system includes device for generating voltage, and the voltage of output Pass Test requirement carries out insulating properties examination to submarine cable to submarine cable；Measurement apparatus, voltage, electric current and partial discharge amount for measuring submarine cable submarine cable during insulating properties examination examination is carried out；Oil chromatography on-line computing model, for measuring chromatographic data of the submarine cable in submarine cable itself insulating oil after completing insulating properties examination；Data analysis set-up, it is connected with measurement apparatus and oil chromatography on-line computing model, and the measurement data come is transmitted for receiving measurement apparatus and oil chromatography on-line computing model, and to detect whether submarine cable possesses charged condition.By the Insulation Problems that can find to be likely to occur in submarine cable operation in advance with the system, traditional insulaion resistance is overcome effectively to examine the problem of insulating properties of submarine cable are not enough because test voltage is low.
Description
Technical field
The present invention relates to submarine cable detection technique, and in particular to a kind of submarine cable high-voltage isulation performance test system and
Determine method.
Background technology
China possesses more than 300 ten thousand square kilometres of marine site and more than 18000 kilometers of long coastline, coastal to be distributed with more than 6000
Island.At present, China increasingly payes attention to the development and utilization of marine resources, national defense construction, Islands Exploitation, marine wind electric field, sea
The exploitation of foreign petroleum resources etc. are required to the support of electric power.Seabed power transmission cable engineering construction is to promote economic integration,
Adapt to national energy strategical planning, optimization energy source configuration, the important component for reducing ambient influnence.
Southern major network is that the first bar 500kV of China is extra large across Qiongzhou Strait 500kV sea electric power cables with Hainan Power Grid networking
Bottom cable.Cable uses self-tolerant oil charging cable, and it is structurally characterized in that and is filled with the insulating oil of low viscosity inside cable insulation, and
Certain pressure is supplied by oil-servicing facilities, to eliminate the possibility that insulating inner produces air gap.Exchange 500kV submarine cables input
, it is necessary to carry out insulating properties test before operation, traditional insulaion resistance can not effectively examine seabed electricity because test voltage is low
The insulating properties of cable, when carrying out commissioning test using ac voltage withstanding mode, because the electric capacity of long range 500kV submarine cables is big,
Need the reactor compensated many when carrying out ac voltage withstanding, cause Field AC Withstand Voltage Test to be carried out difficult.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided one kind determination bottom cable high-voltage isulation performance
Pilot system and method.
To achieve the above object, the technical scheme is that：
A kind of submarine cable high-voltage isulation performance test system, including
Device for generating voltage, it includes voltage source, transformer and rectifier boost device, wherein, the positive pole of the voltage source
It is connected respectively with the primary side two ends of transformer with negative pole, rectifier boost device is attempted by the two ends of Circuit Fault on Secondary Transformer, rectification
The output end and submarine cable of booster are electrically connected, to export the voltage of Pass Test requirement to submarine cable, to seabed electricity
Cable carries out insulating properties examination；
Measurement apparatus, it is connected with submarine cable, and insulating properties examination examination process is being carried out for measuring submarine cable
Voltage, electric current and the partial discharge amount of middle submarine cable；
Oil chromatography on-line computing model, it is connected with submarine cable, and insulating properties examination is completed for measuring submarine cable
Chromatographic data in submarine cable itself insulating oil afterwards；
Data analysis set-up, it is connected with measurement apparatus and oil chromatography on-line computing model, for receiving measurement apparatus
And oil chromatography on-line computing model transmits the measurement data come, and the measurement data received is set in advance with its own
Data are analysed and compared, to detect whether submarine cable possesses charged condition.
The measurement apparatus include first resistor, second resistance, 3rd resistor, Voltage measure, current measurer and
Partial discharge measuring appliance；Wherein, the first resistor, second resistance and 3rd resistor are sequentially connected in series, the input of first resistor and
Submarine cable is connected, the output head grounding of 3rd resistor, and the voltage of submarine cable is dropped to the electricity of coincidence measurement requirement
Pressure；Voltage measure, current measurer and partial discharge measuring appliance are connected between second resistance and 3rd resistor respectively, to survey respectively
Measure voltage, electric current and the partial discharge amount of submarine cable submarine cable during insulating properties examination examination is carried out.
The rectifier boost device is in series by multiple rectification units, and the rectification unit is by two electric capacity and two rectifiers
The loop of composition is constituted.
The chromatographic data includes methane, ethane, ethene, acetylene, hydrogen, carbon monoxide, carbon dioxide.
A kind of method for determining submarine cable high-voltage isulation performance, methods described comprises the following steps：
Device for generating voltage applies the voltage for meeting test request according to the time of setting to submarine cable, to examine seabed
The insulation resistance of cable；
Measurement apparatus measure submarine cable during insulating properties examination examination is carried out the voltage of submarine cable, electric current and
Partial discharge amount；
Oil chromatography on-line computing model measures submarine cable chromatogram number in submarine cable itself oil after completing insulating properties examination
According to；
Measured according to measurement apparatus and the measured voltage of oil chromatography on-line computing model measurement, electric current, partial discharge amount and
Chromatographic data judges whether submarine cable possesses charged condition.
The device for generating voltage is to submarine cable by the way of continuous pressure, and pressurization initial period regulation relaxes, in
Between the stage is fast and average rate pressure regulation, when the magnitude of voltage of submarine cable exceedes the 75% of test request magnitude of voltage, pressure regulation speed is not low
In 2%/second of test request magnitude of voltage.
Whether the judge submarine cable, which possesses powered condition, is：
After the magnitude of voltage of submarine cable reaches the magnitude of voltage for meeting test request, the magnitude of voltage measured by measurement apparatus
Excursion is ± 3%, and the time persistently retains 1 hour, and submarine cable is without generation disruptive discharge and external flashover；
After the magnitude of voltage of submarine cable reaches the magnitude of voltage for meeting test request, the current value measured by measurement apparatus
Excursion is ± 5%, and the time persistently retains 1 hour；
Submarine cable exceedes 2000PC's in carry out insulating properties examination last 10 minutes measured by measurement apparatus
Discharge pulse number of times should be no more than 10；
Submarine cable is completed after insulating properties examination, methane, second in the chromatographic data measured by oil chromatography on-line computing model
Alkane, ethene, the summation of acetylene are less than 150uL/L, and acetylene is less than 0.1uL/L, hydrogen and is less than 150uL/L；
If submarine cable all meets above-mentioned condition, then it represents that submarine cable possesses charged condition.
Compared with prior art, its advantage is the present invention：
It can find that submarine cable is run in advance by the submarine cable high-voltage isulation performance test system with the present invention
In the Insulation Problems that are likely to occur, overcome traditional insulaion resistance effectively to examine submarine cable because test voltage is low
The problem of insulating properties are not enough, the electric capacity that also can solve the problem that long range 500kV submarine cables is big and live ac voltage withstanding device is more,
The problem of operational difficulties, to effectively examination 500kV submarine cable high-voltage isulation performances and reduction submarine cable field test difficulty
Have and the safe and stable operation of power system is had great significance.
Brief description of the drawings
Fig. 1 is the structural representation of submarine cable high-voltage isulation performance test system of the embodiment of the present invention；
Fig. 2 is the structural representation of device for generating voltage；
Fig. 3 is the structural representation of measurement apparatus；
Voltage change curve figure when Fig. 4 is submarine cable testing experiment；
In figure：1st, device for generating voltage；2nd, measurement apparatus；3rd, oil chromatography on-line computing model；4th, data analysis set-up；5th, it is extra large
Bottom cable；21st, Voltage measure；22nd, current measurer；23rd, partial discharge measuring appliance.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in fig.1, the structural representation of the submarine cable high-voltage isulation performance test system provided by the present embodiment
Figure, the system includes device for generating voltage 1, specifically, as shown in Fig. 2 the device for generating voltage includes 380V DC voltage
Source, transformer and rectifier boost device, wherein, the primary side two ends of the positive pole and negative pole of the direct voltage source respectively with transformer
It is connected, rectifier boost device is attempted by the two ends of Circuit Fault on Secondary Transformer, that is to say, that the magnitude of voltage U1 of transformer output will be into
For the input voltage of rectifier boost device, and the rectifier boost device is in series by multiple rectification units, rectification unit series connection
Number can specifically be set according to the demand of boosting, and specific in the present embodiment, rectifier boost device is by 50 rectification lists
What member was in series, and rectification unit is then made up of 2 electric capacity C and 2 rectifier D loop constituted, that is to say, that it is whole
Individual rectifier boost utensil has 100 electric capacity and 100 voltages, realizes that the voltage U1 for exporting transformer is rectified into 100U1, so that
The test voltage for meeting insulating properties test request is exported to submarine cable, in the present embodiment, rectifier boost device will be exported
600kv voltage into submarine cable 5, in this way, i.e. can solve traditional insulaion resistance due to test voltage is low can not be effective
The problem of submarine cable insulating properties are examined on ground.Meanwhile, above-mentioned device for generating voltage can reach following performance indications：It is defeated
Enter power supply：AC380V ± 10%, 50Hz ± 1%；Output voltage pointing accuracy：<1 grade；Output current pointing accuracy：<1 grade；Line
Wave system number：≤ 0.5%；0.75 times of output voltage pointing accuracy：<1 grade, band is latched.
Specifically, in the present embodiment, above-mentioned transformer uses the S11-M-30/ of Henan Yu Bian electrician Co., Ltd
10 model transformers, capacitor uses the SE-2R5 capacitors of Jinzhou Kaimei Energy Co., Ltd., and rectifier is used
CBRHDSH1-40L the or CBRHDSH2-40 type rectifiers of Central Semiconductor companies.
Return shown in Fig. 1, measurement apparatus 2 is also associated with submarine cable 5, the measurement apparatus 2 is used to measure seabed electricity
Voltage, electric current and the partial discharge amount of the submarine cable during insulating properties examination is carried out of cable 5.Oil is also associated with submarine cable
Chromatogram monitoring instrument 3, the oil chromatography on-line computing model 3 uses the ZF800-11 oil of Hennan Zhongfen apparatus Co., Ltd.
Chromatogram monitoring unit, for measure submarine cable complete insulating properties examination after (i.e. device for generating voltage is no longer to seabed
Cable output voltage) chromatographic data in submarine cable 5 itself insulating oil, the chromatographic data includes methane, ethane, ethene, second
Alkynes, hydrogen, carbon monoxide, carbon dioxide.Wherein, the measurement apparatus 2 and oil chromatography on-line computing model 3 also divide with data respectively
Analysis apparatus 4 is connected, and data analysis set-up 4 is used to receive measurement apparatus 2 and oil chromatography on-line computing model 3 transmits the survey come
Data are measured, and the measurement data received and its own data set in advance are analysed and compared, to detect seabed electricity
Whether cable 5 possesses charged condition (specifically detecting method detailed in Example 2).
It follows that seabed can be found in advance by the submarine cable high-voltage isulation performance test system with the present invention
The Insulation Problems being likely to occur in cable operation, overcome traditional insulaion resistance effectively to examine sea because test voltage is low
The problem of insulating properties of bottom cable are not enough, also can solve the problem that the electric capacity exchange live greatly of long range 500kV submarine cables is resistance to
Pressure device is more, operational difficulties the problem of, to effectively examination 500kV submarine cable high-voltage isulation performances and reduction submarine cable scene
Experiment difficulty has and the safe and stable operation of power system is had great significance.
Specifically, as shown in figure 3, above-mentioned measurement apparatus 2 includes first resistor R1, second resistance R2,3rd resistor R3,
Voltage measure 21, current measurer 22 and partial discharge measuring appliance 23；Wherein, the first resistor R1, second resistance 42 and
3rd electricity R3 resistances are sequentially connected in series, and first resistor R1 input is connected with submarine cable 5,3rd resistor R3 output termination
Ground, Voltage measure 21, current measurer 22 and partial discharge measuring appliance 23 be connected to respectively second resistance 42 and 3rd resistor R3 it
Between, to measure voltage, electric current and the partial discharge of the submarine cable during insulating properties examination examination is carried out of submarine cable 5 respectively
Amount.In this way, after first resistor R1, second resistance R2 and 3rd resistor R3 decompression successively, 600kv voltage can be dropped to
Below 5v measurement range, Voltage measure 21, current measurer 22 and partial discharge measuring appliance 23, which can be measured accordingly, to go to sea
Bottom cable 5 is carrying out the change of the voltage during insulating properties test is examined, electric current and partial discharge amount.In the present embodiment, on
The first resistor R1 and second resistance R2 stated uses the BZ9/1 high value standards electricity of Shanghai Cheng Yang instrument and meters Co., Ltd
Resistance type number, 3rd resistor R3 uses the BZ3 DC Standard Resistors of Shanghai Cheng Yang instrument and meters Co., Ltd, Voltage measure
21 use the JDZ1-1/JDZ2-1/JDZ3-1 voltage transformers of JOSEF companies, and current measurer 22 uses JOSEF
The LYM-0.5 current transformers of company, partial discharge measuring appliance 23 uses Baoding Tianwei New Domain Technology Development Co., Ltd
The fault diagnosis and synthesis analyzer of TWPD-2F shelf depreciations.
Embodiment 2
A kind of method for determining submarine cable high-voltage isulation performance, methods described comprises the following steps：
S1, device for generating voltage apply 600kv positive polarity voltage according to the time of setting to submarine cable, to examine sea
The insulation resistance of bottom cable；Specifically, the device for generating voltage uses the device for generating voltage described in embodiment 1, and
Using continuous pressure to pressure voltage (600kv), the regulation of pressure regulation initial period should relatively relax, in case submarine cable charging current causes
Equipment output current transfinites tripping operation, the interstage should very fast and average rate pressure regulation, when voltage exceedes the 75% of test voltage 600kv
When, pressure regulation speed is not lower than 600kv 2%/second, in order to avoid cause the pressure-resistant time mistake of submarine cable when close to test voltage
It is long.Specific experiment pressuring curve, should as shown in figure 4, t1 is the time used in voltage from zero to test voltage on submarine cable in figure
No more than 2 minutes, t2 was 1 hour of tested device pressure-resistant time, i.e., 60 minutes in figure.
Voltage, the electric current of S2, measurement apparatus measurement the submarine cable submarine cable during insulating properties examination examination is carried out
And partial discharge amount, specifically, the measurement apparatus use the measurement apparatus described in embodiment 1.
S3, oil chromatography on-line computing model measurement the submarine cable chromatogram in submarine cable itself oil after completing insulating properties examination
Data, specifically, the oil chromatography on-line computing model use the oil chromatography on-line computing model described in embodiment 1.
S4, the voltage according to measured by step S2 and S3, electric current, partial discharge amount and chromatographic data judge submarine cable
Whether possess charged condition, be specially：
After the magnitude of voltage of submarine cable reaches magnitude of voltage (i.e. the 600kv) for meeting test request, Voltage measure is surveyed
The magnitude of voltage excursion measured is ± 3%, and the time persistently retains 1 hour, and submarine cable is without generation disruptive discharge and outside
Portion's flashover；
After the magnitude of voltage of submarine cable reaches the magnitude of voltage for meeting test request, the electric current measured by current measurer
Value changes scope is ± 5%, and the time persistently retains 1 hour；
Submarine cable is being carried out last 10 minutes of insulating properties examination in, measured by partial discharge measuring appliance more than 2000PC
Discharge pulse number of times should be no more than 10；
Submarine cable is completed after insulating properties examination, methane, second in the chromatographic data measured by oil chromatography on-line computing model
Alkane, ethene, the summation of acetylene are less than 150uL/L, and acetylene is less than 0.1uL/L, hydrogen and is less than 150uL/L；
If submarine cable all meets above-mentioned condition, then it represents that submarine cable possesses charged condition；Otherwise submarine cable is not
Specific charged condition.
It follows that by can in advance find that the insulation being likely to occur in submarine cable operation is asked with this method
Topic, overcomes traditional insulaion resistance effectively to examine the insulating properties of submarine cable are not enough to ask because test voltage is low
Topic, the electric capacity that also can solve the problem that long range 500kV submarine cables is big and live ac voltage withstanding device is more, operational difficulties the problem of,
Have and effectively examination 500kV submarine cable high-voltage isulation performances and reduction submarine cable field test difficulty to power system
Safe and stable operation have great significance.
Above-described embodiment is simply to illustrate that the technical concepts and features of the present invention, the purpose is to be to allow in the art
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification made according to the essence of present invention, should all covers within the scope of the present invention.
Claims (10)
1. a kind of submarine cable high-voltage isulation performance test system, it is characterised in that including
Device for generating voltage, it includes voltage source, transformer and rectifier boost device, wherein, the positive pole of the voltage source and negative
Pole is connected with the primary side two ends of transformer respectively, and rectifier boost device is attempted by the two ends of Circuit Fault on Secondary Transformer, rectifier boost
The output end and submarine cable of device are electrically connected, and the voltage to export Pass Test requirement enters to submarine cable to submarine cable
Row insulating properties is examined；
Measurement apparatus, it is connected with submarine cable, for measuring submarine cable sea during insulating properties examination examination is carried out
Voltage, electric current and the partial discharge amount of bottom cable；
Oil chromatography on-line computing model, it is connected with submarine cable, for measuring submarine cable sea after insulating properties examination is completed
Chromatographic data in itself insulating oil of bottom cable；
Data analysis set-up, it is connected with measurement apparatus and oil chromatography on-line computing model, for receive measurement apparatus and
Oil chromatography on-line computing model transmits the measurement data come, and by the measurement data received and its own data set in advance
Analysed and compared, to detect whether submarine cable possesses charged condition.
2. submarine cable high-voltage isulation performance test system as claimed in claim 1, it is characterised in that the measurement apparatus bag
Include first resistor, second resistance, 3rd resistor, Voltage measure, current measurer and partial discharge measuring appliance；Wherein, described
One resistance, second resistance and 3rd resistor are sequentially connected in series, and the input of first resistor is connected with submarine cable, 3rd resistor
Output head grounding, by the voltage of submarine cable drop to coincidence measurement requirement voltage；Voltage measure, current measurer
And partial discharge measuring appliance is connected between second resistance and 3rd resistor respectively, examined with measuring submarine cable respectively in progress insulating properties
Voltage, electric current and the partial discharge amount of submarine cable during core examination.
3. submarine cable high-voltage isulation performance test system as claimed in claim 1, it is characterised in that the rectifier boost device
It is in series by multiple rectification units, the loop that the rectification unit is made up of two electric capacity and two rectifiers is constituted.
4. submarine cable high-voltage isulation performance test system as claimed in claim 1, it is characterised in that the chromatographic data bag
Include methane, ethane, ethene, acetylene, hydrogen, carbon monoxide, carbon dioxide.
5. a kind of method for determining submarine cable high-voltage isulation performance, it is characterised in that methods described comprises the following steps：
Device for generating voltage applies the voltage for meeting test request according to the time of setting to submarine cable, to examine submarine cable
Insulation resistance；
Measurement apparatus measures voltage, electric current and the partial discharge of submarine cable submarine cable during insulating properties examination examination is carried out
Amount；
Oil chromatography on-line computing model measures submarine cable chromatographic data in submarine cable itself oil after completing insulating properties examination；
Measured according to measurement apparatus and the measurement of oil chromatography on-line computing model measured voltage, electric current, partial discharge amount and chromatogram
Data judge whether submarine cable possesses charged condition.
6. the method for submarine cable high-voltage isulation performance is determined as claimed in claim 5, it is characterised in that the voltage is produced
Device is to submarine cable by the way of continuous pressure, and pressurization initial period regulation relaxes, interstage average rate pressure regulation soon, when
The magnitude of voltage of submarine cable exceed test request magnitude of voltage 75% when, pressure regulation speed be not less than test request magnitude of voltage 2%/
Second.
7. the method for submarine cable high-voltage isulation performance is determined as claimed in claim 5, it is characterised in that the judge seabed
Whether cable possesses powered condition：
After the magnitude of voltage of submarine cable reaches the magnitude of voltage for meeting test request, the voltage value changes measured by measurement apparatus
Scope is ± 3%, and the time persistently retains 1 hour, and submarine cable is without generation disruptive discharge and external flashover；
After the magnitude of voltage of submarine cable reaches the magnitude of voltage for meeting test request, the electric current value changes measured by measurement apparatus
Scope is ± 5%, and the time persistently retains 1 hour；
Submarine cable is in carry out insulating properties examination last 10 minutes, the electric discharge more than 2000PC measured by measurement apparatus
Pulse number should be no more than 10；
Submarine cable is completed after insulating properties examination, methane, ethane, second in the chromatographic data measured by oil chromatography on-line computing model
Alkene, the summation of acetylene are less than 150uL/L, and acetylene is less than 0.1uL/L, hydrogen and is less than 150uL/L；
If submarine cable all meets above-mentioned condition, then it represents that submarine cable possesses charged condition.
8. the method for the determination submarine cable high-voltage isulation performance as described in claim 5 or 7, it is characterised in that the measurement
Device includes first resistor, second resistance, 3rd resistor, Voltage measure, current measurer and partial discharge measuring appliance；Wherein,
The first resistor, second resistance and 3rd resistor are sequentially connected in series, and the input of first resistor is connected with submarine cable, the
The output head grounding of three resistance, the voltage of submarine cable is dropped to the voltage of coincidence measurement requirement；Voltage measure, electric current
Measuring appliance and partial discharge measuring appliance are connected between second resistance and 3rd resistor respectively, are being carried out absolutely with measuring submarine cable respectively
Voltage, electric current and the partial discharge amount of submarine cable during edge examination examination.
9. the method for submarine cable high-voltage isulation performance is determined as claimed in claim 5, it is characterised in that the voltage is produced
Device includes voltage source, transformer and rectifier boost device, wherein, the positive pole and negative pole of the voltage source respectively with transformer
Primary side two ends are connected, and rectifier boost device is attempted by the two ends of Circuit Fault on Secondary Transformer, the output end of rectifier boost device and seabed
Cable is electrically connected, and the voltage to export Pass Test requirement carries out insulating properties examination to submarine cable to submarine cable.
10. the method for submarine cable high-voltage isulation performance is determined as claimed in claim 8, it is characterised in that the rectification liter
Depressor is in series by multiple rectification units, and the loop that the rectification unit is made up of two electric capacity and two rectifiers is constituted.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646150A (en) * | 2018-05-02 | 2018-10-12 | 国网江苏省电力有限公司电力科学研究院 | A kind of sea electric power cable partial discharge detection device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11150492A (en) * | 1997-11-17 | 1999-06-02 | Nec Corp | Power supply circuit for submarine cable system |
| WO2011052890A2 (en) * | 2009-10-30 | 2011-05-05 | 한국전력공사 | System and method for detecting location of a fault in an undersea cable |
| CN102735977A (en) * | 2012-07-12 | 2012-10-17 | 四川大学 | Electrical-thermal aging device of cable accessories under high voltage and high current and test method thereof |
| CN202837477U (en) * | 2012-06-29 | 2013-03-27 | 广州供电局有限公司 | Cable defect simulation test device |
| CN105548833A (en) * | 2015-12-09 | 2016-05-04 | 天津二十冶建设有限公司 | High-voltage cable frequency conversion series resonance voltage withstand debugging method |
| CN105974290A (en) * | 2016-07-22 | 2016-09-28 | 国网河南省电力公司电力科学研究院 | Dry type air reactor turn-to-turn insulation performance detection system and method |
| CN106841937A (en) * | 2016-12-19 | 2017-06-13 | 国网山东省电力公司泰安供电公司 | A kind of partial discharge of transformer live detection method and system of acooustic combination |
| CN207081804U (en) * | 2017-07-21 | 2018-03-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of submarine cable high-voltage isulation performance test system |
-
2017
- 2017-07-21 CN CN201710600354.3A patent/CN107329061B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11150492A (en) * | 1997-11-17 | 1999-06-02 | Nec Corp | Power supply circuit for submarine cable system |
| WO2011052890A2 (en) * | 2009-10-30 | 2011-05-05 | 한국전력공사 | System and method for detecting location of a fault in an undersea cable |
| CN202837477U (en) * | 2012-06-29 | 2013-03-27 | 广州供电局有限公司 | Cable defect simulation test device |
| CN102735977A (en) * | 2012-07-12 | 2012-10-17 | 四川大学 | Electrical-thermal aging device of cable accessories under high voltage and high current and test method thereof |
| CN105548833A (en) * | 2015-12-09 | 2016-05-04 | 天津二十冶建设有限公司 | High-voltage cable frequency conversion series resonance voltage withstand debugging method |
| CN105974290A (en) * | 2016-07-22 | 2016-09-28 | 国网河南省电力公司电力科学研究院 | Dry type air reactor turn-to-turn insulation performance detection system and method |
| CN106841937A (en) * | 2016-12-19 | 2017-06-13 | 国网山东省电力公司泰安供电公司 | A kind of partial discharge of transformer live detection method and system of acooustic combination |
| CN207081804U (en) * | 2017-07-21 | 2018-03-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of submarine cable high-voltage isulation performance test system |
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| CN108646150A (en) * | 2018-05-02 | 2018-10-12 | 国网江苏省电力有限公司电力科学研究院 | A kind of sea electric power cable partial discharge detection device |
| CN108646150B (en) * | 2018-05-02 | 2023-11-24 | 国网江苏省电力有限公司电力科学研究院 | Submarine power cable partial discharge detection device |
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