CN201773123U - High-altitude DC generator device - Google Patents
High-altitude DC generator device Download PDFInfo
- Publication number
- CN201773123U CN201773123U CN201020523301XU CN201020523301U CN201773123U CN 201773123 U CN201773123 U CN 201773123U CN 201020523301X U CN201020523301X U CN 201020523301XU CN 201020523301 U CN201020523301 U CN 201020523301U CN 201773123 U CN201773123 U CN 201773123U
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- voltage
- multiplication
- generator device
- voltage tube
- capacitive divider
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Abstract
The utility model provides a high-altitude DC generator device, comprising a voltage doubler mounted on a base of an intermediate-frequency transformer oil tank and a capacitive voltage divider mounted on a base of a capacitor, wherein the upper ends of the voltage doubler and the capacitive voltage divider are all provided with grading rings, and a current-limiting resistor is spanned between the grading rings on the voltage doubler and the capacitive voltage divider. The device can be used for realizing a DC parameter field test of 800KV system DC transmission electric appliance, while giving consideration to a DC withstand voltage test of 500KV submarine cable.
Description
Technical field
The utility model relates to a kind of high height above sea level dc generator device.
Background technology
For realizing the dc parameter test of southwestern electrical network 800KV system direct current transportation electrical equipment, the output voltage and the output power of dc generator all proposed new requirement, and can take into account the DC voltage withstand test of considering the 500KV subsea cable simultaneously.
Conventional in the market dc generator generally can only be accomplished 800KV, 5mA.Therefore the dc generator device that needs design one cover high voltage large capcity is to satisfy extra-high tension unit field experiment demand.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of high height above sea level dc generator device is provided.
The purpose of this utility model is achieved through the following technical solutions:
High height above sea level dc generator device, characteristics are: comprise multiplication of voltage tube and capacitive divider, described multiplication of voltage tube is installed on the I.F.T. oil tank base support, described capacitive divider is installed on the capacitor base, the upper end of described multiplication of voltage tube and capacitive divider is provided with grading ring, and cross-over connection has current-limiting resistance between grading ring on the described multiplication of voltage tube and the grading ring on the capacitive divider.
Further, above-mentioned high height above sea level dc generator device fills SF6 gas in the described multiplication of voltage tube, and described device holds the voltage divider series connection by three multiplication of voltage tubes and three economize on electricitys respectively and constitutes.
The substantive distinguishing features of technical solutions of the utility model and progressive being mainly reflected in:
The utility model is in order to realizing the dc parameter site test of 800KV system direct current transportation electrical equipment, and takes into account the DC voltage withstand test of considering the 500KV subsea cable simultaneously.Low cost of manufacture, function brilliance, ease in use, economic benefit and social effect are remarkable.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: organigram of the present utility model;
Fig. 2: the organigram of current-limiting resistance.
The implication of each Reference numeral sees the following form among the figure:
Embodiment
Along with improving constantly of electric system Operating Voltage, the trial voltage of DC experiment system is also more and more higher, develops the more jumbo dc generator device of high voltage, to satisfy extra-high tension unit field experiment demand.
As shown in Figure 1, high height above sea level dc generator device, comprise control module, multiplication of voltage tube 2 and capacitive divider 5, multiplication of voltage tube 2 is installed on the I.F.T. oil tank base support 1, capacitive divider 5 is installed on the capacitor base 6, the upper end of capacitive divider is provided with grading ring 4, and the upper end of multiplication of voltage tube also is provided with grading ring, and cross-over connection has current-limiting resistance 3 between grading ring on the multiplication of voltage tube and the grading ring on the capacitive divider.
As shown in Figure 2, current-limiting resistance 3 is formed according to site test needs serial connection by 1～3 joint current-limiting resistance and grading ring 3a.
Device holds the voltage divider series connection by three multiplication of voltage tubes and three economize on electricitys respectively and constitutes, and for adapting to the high altitude localities testing requirements, its sleeve pipe external insulation adopts the silicon rubber insulation of band full skirt.Adopt the compound inslation cylindrical shell first, promptly external insulation is for increasing creep distance, and the insulating sleeve that adopts the silastic material of being with full skirt is more suitable in moist, rainy condition as the multiplication of voltage cylindrical shell.SF6 gas reinforced insulation is filled in insulation in the multiplication of voltage tube 2, and its hermetically-sealed construction has been proposed requirements at the higher level.Measuring mechanism inside is filled with insulating oil.Parts all adopt anti-corona design.Modular structure is convenient to field stripping and is moved.Three joint multiplication of voltage tubes and three joint voltage dividers are done contour design, are convenient to install current-limiting resistance and corresponding the use.Have all automatic functions of conventional DC generator.
The utility model device: satisfy the test of carrying out rated voltage under the high height above sea level 4000m environment of plateau; Reach 1200KV positive-negative polarity output (the normal negative polarity that adopts of test); Package unit divides three grades, and 400KV * 3 outputs promptly can realize the output of 400KV/800KV/1200KV positive-negative polarity; The capacitive divider measuring accuracy reaches 1%.Realize the dc parameter site test of 800KV system direct current transportation electrical equipment, and can take into account the DC voltage withstand test of considering the 500KV subsea cable simultaneously.
It is emphasized that: above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. high height above sea level dc generator device, it is characterized in that: comprise multiplication of voltage tube and capacitive divider, the multiplication of voltage tube is installed on the I.F.T. oil tank base support, capacitive divider is installed on the capacitor base, the upper end of multiplication of voltage tube and capacitive divider is provided with grading ring, and cross-over connection has current-limiting resistance between grading ring on the multiplication of voltage tube and the grading ring on the capacitive divider.
2. high height above sea level dc generator device according to claim 1 is characterized in that: fill SF in the described multiplication of voltage tube
6Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020523301XU CN201773123U (en) | 2010-09-09 | 2010-09-09 | High-altitude DC generator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020523301XU CN201773123U (en) | 2010-09-09 | 2010-09-09 | High-altitude DC generator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773123U true CN201773123U (en) | 2011-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020523301XU Expired - Fee Related CN201773123U (en) | 2010-09-09 | 2010-09-09 | High-altitude DC generator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773123U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277862A (en) * | 2015-11-24 | 2016-01-27 | 国网安徽省电力公司芜湖供电公司 | High-voltage industrial-frequency AC voltage withstanding system measuring platform automatic alignment system and control method thereof |
| CN105301459A (en) * | 2015-11-24 | 2016-02-03 | 国网安徽省电力公司芜湖供电公司 | High-voltage power-frequency AC voltage-withstanding system measuring platform |
| CN105301291A (en) * | 2014-09-03 | 2016-02-03 | 扬州市鑫源电气有限公司 | Novel voltage multiplying tower used for power supply test equipment |
| CN106771896A (en) * | 2016-11-25 | 2017-05-31 | 浙江舟山海洋输电研究院有限公司 | Sea electric power cable overvoltage and its checking system and verification method of protection test |
| CN112526299A (en) * | 2020-11-23 | 2021-03-19 | 国网湖北省电力有限公司电力科学研究院 | Mobile +/-800 kV direct-current withstand voltage test platform and using method thereof |
-
2010
- 2010-09-09 CN CN201020523301XU patent/CN201773123U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301291A (en) * | 2014-09-03 | 2016-02-03 | 扬州市鑫源电气有限公司 | Novel voltage multiplying tower used for power supply test equipment |
| CN105301291B (en) * | 2014-09-03 | 2019-01-22 | 扬州市鑫源电气有限公司 | Multiplication of voltage tower is used on a kind of new test power-supply device |
| CN105277862A (en) * | 2015-11-24 | 2016-01-27 | 国网安徽省电力公司芜湖供电公司 | High-voltage industrial-frequency AC voltage withstanding system measuring platform automatic alignment system and control method thereof |
| CN105301459A (en) * | 2015-11-24 | 2016-02-03 | 国网安徽省电力公司芜湖供电公司 | High-voltage power-frequency AC voltage-withstanding system measuring platform |
| CN105301459B (en) * | 2015-11-24 | 2018-03-30 | 国网安徽省电力公司芜湖供电公司 | High pressure industrial frequency AC pressurized system measuring table |
| CN105277862B (en) * | 2015-11-24 | 2018-07-03 | 国网安徽省电力公司芜湖供电公司 | High pressure industrial frequency AC pressurized system measuring table Automatic Alignment System and its control method |
| CN106771896A (en) * | 2016-11-25 | 2017-05-31 | 浙江舟山海洋输电研究院有限公司 | Sea electric power cable overvoltage and its checking system and verification method of protection test |
| CN112526299A (en) * | 2020-11-23 | 2021-03-19 | 国网湖北省电力有限公司电力科学研究院 | Mobile +/-800 kV direct-current withstand voltage test platform and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20110909 |