CN201130197Y - Partial discharge test power supply system - Google Patents
Partial discharge test power supply system Download PDFInfo
- Publication number
- CN201130197Y CN201130197Y CNU200720173005XU CN200720173005U CN201130197Y CN 201130197 Y CN201130197 Y CN 201130197Y CN U200720173005X U CNU200720173005X U CN U200720173005XU CN 200720173005 U CN200720173005 U CN 200720173005U CN 201130197 Y CN201130197 Y CN 201130197Y
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- compensation reactor
- transformer
- voltage
- housing
- supply system
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Abstract
The utility model relates to a power system for local discharge test, comprising two parts: one part is an intermediate frequency motor- generator set formed by connecting a three-phase asynchronous motor and an intermediate frequency synchronous generator back to back; the other part is a voltage supplying module formed by a step-up transformer, a high voltage compensation reactor, a voltage divider and a low voltage compensation reactor. The power system for local discharge test has the advantages that, a lifting device is introduced in the voltage supplying module; a sulfur hexafluoride step-up transformer and a sulfur hexafluoride high voltage compensation reactor are adopted; therefore, the overall volume of the system is reduced, and the transportation and operation are facilitated.
Description
Technical field
The utility model relates to a kind of local discharge experiment power supply system, specifically relates to a kind of container-type, small size local discharge experiment power supply system.
Background technology
Local discharge experiment power supply system generally is made up of two parts, and a part is the threephase asynchronous of connection back-to-back and the intermediate frequency motor-generator that the intermediate frequency synchronous generator constitutes; The voltage supplying module of another part for constituting by step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor, the high voltage and the electric current that provide partial discharge test to use.In the prior art, owing to be subjected to component size and test desired insulation distance restriction, local discharge experiment power supply system often needs to utilize a plurality of pallet loadings, no matter for still test of transportation, certain limitation is arranged all.
The utility model content
The purpose of this utility model just provides a kind of small size, the local discharge experiment power supply system of the unified shipment of an available container.
For realizing the utility model purpose, the utility model provides a kind of local discharge experiment power supply system, and described local discharge experiment power supply system comprises two parts: a part is the intermediate frequency motor-generator; The voltage supplying module of another part for constituting by step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor.Described step-up transformer is the sulfur hexafluoride step-up transformer, and the high pressure compensation reactor is the SF 6 high-voltage compensation reactor; The high-pressure section that described step-up transformer, high pressure compensation reactor and voltage divider are formed is fixed on the hoistable platform of jacking gear, and the low-voltage compensation reactor is fixed on the pedestal of jacking gear.
The optimal technical scheme that the utility model provides is that described jacking gear comprises hoistable platform, hydraulic gear, pedestal, operator's console.The flexible rise and fall of described operator's console control hydraulic gear with the realization hoistable platform.Described step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor are to jacking gear with bolt.
Another optimal technical scheme that the utility model provides is that described sulfur hexafluoride step-up transformer comprises transformer coil and the iron core in the housing, is full of the insulating gas sulfur hexafluoride in the housing.Described housing inner bottom part laterally adds two and is the footpath flow fan of cylindrical shape, described two footpath flow fans are symmetricly set on the iron core both sides, between inner walls and coil, described two footpath flow fans and iron core axially parallel, described coil adopts multiply enamel insulated wire coiling and uses the hard copper pipe at the middle part high-voltage terminal, and described housing is that aluminum and inside are the ellipsoid structure.
Another optimal technical scheme that the utility model provides is that described SF 6 high-voltage compensation reactor comprises reactor winding and the iron core in the housing, is full of the insulating gas sulfur hexafluoride in the housing.Described housing inner bottom part laterally adds two and is the footpath flow fan of cylindrical shape, described two footpath flow fans are symmetricly set on the iron core both sides, between inner walls and coil, described two footpath flow fans and iron core axially parallel, described housing are that aluminum and inside are the ellipsoid structure.
The local discharge experiment power supply system of the described a kind of small size of the utility model, the unified shipment of an available container, by introducing jacking gear, the control and the adjusting of distance between high-pressure section that step-up transformer, high pressure compensation reactor, voltage divider are formed and the low-voltage compensation reactor have been realized at the voltage supplying module.When testing, the may command hoistable platform rises with the high-pressure section of assurance step-up transformer, high pressure compensation reactor, voltage divider composition and the requirement that the distance between the low-voltage compensation reactor reaches insulation distance, depositing, in the transportation, then controlling hoistable platform and drop to minimum point to guarantee highly integrated container-type storage condition.Simultaneously, adopt small size, light weight, jumbo sulfur hexafluoride step-up transformer and SF 6 high-voltage compensation reactor, under the prerequisite of satisfactory solution heat dissipation problem, reduced the heavy burden of hoistable platform and the volume of total system.Make native system can completely be loaded in the integrated transportation environments such as container.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Fig. 1 for a kind of local discharge experiment power supply system in the utility model be placed in the container environment synoptic diagram.
Fig. 2 is the utility model synoptic diagram of voltage supplying module among the embodiment first.
Fig. 3 is the utility model vertical view of voltage supplying module among the embodiment first.
Fig. 4 is the utility model synoptic diagram of embodiment mesohigh compensation reactor first.
Fig. 5 is the utility model synoptic diagram of step-up transformer among the embodiment first.
Embodiment
With reference to accompanying drawing 1, for a kind of local discharge experiment power supply system in the utility model is placed in the container environment, described local discharge experiment power supply system comprises two parts: a part is the threephase asynchronous of connection back-to-back and the intermediate frequency motor one genset A of intermediate frequency synchronous generator formation; The voltage supplying module B of another part for constituting by step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor.
With reference to accompanying drawing 2, accompanying drawing 3, the high-pressure section of being made up of step-up transformer 110, high pressure compensation reactor 120, voltage divider 130 is fixed by bolts on the hoistable platform of jacking gear 150, and low-voltage compensation reactor 140 is fixed by bolts on the pedestal 153 of jacking gear 150.Described jacking gear 150 comprises hoistable platform 151, hydraulic gear 152, pedestal 153, operator's console 154.The flexible rise and fall of described operator's console 154 control hydraulic gears 152 with realization hoistable platform 151.
When transporting and depositing at ordinary times, the above step-up transformer 110, high pressure compensation reactor 120, voltage divider 130, low-voltage compensation reactor 140, jacking gear 150 are placed in the collection dress housing with an integral form, and the height of hoistable platform 151 is adjusted to minimum.
When carrying out partial discharge test, then the top cover of container is opened, control hoistable platform 151 rises, with high-pressure section that guarantees step-up transformer 110, high pressure compensation reactor 120, voltage divider 130 compositions and the requirement that the distance between the low-voltage compensation reactor 140 reaches insulation distance.
With reference to accompanying drawing 4, laterally install two footpath flow fan 211 and footpath flow fans 212 additional at high pressure compensation reactor housing 250 inner bottom parts for cylindrical shape, described footpath flow fan 211 and footpath flow fan 212 are symmetricly set on iron core 240 both sides, between housing 250 inwalls and coil 230, described footpath flow fan 211 and footpath flow fan 212 and iron core 240 axially parallels.Described footpath flow fan 211 and footpath flow fan 212 sizes are less than or equal to≤590 * φ 160mm, and the maximum quantity of wind of each fan is 16m
3/ min, power input is 120w.Form stable air channel shown in Fig. 4 dotted arrow in that reactor is inner like this: wind is blown to coil 230 and iron core 240 by the bottom, coils 230 and iron core 240, to upper top cover, by last slit along sidewall to the bottom fan, so forced circulation is air-cooled.The fan outlet wind speed is about 3.5m/s.
Because the enclosure interior gas pressure intensity is about 3.5 atmospheric pressure, so enclosure interior is made as the ellipsoid structure in the hope of resistance to compression effect preferably and sealing effectiveness are arranged.
Adopt above method, when environment temperature is 30 when spending, the Inside coil medial temperature is about 75 degree.
With reference to accompanying drawing 5, laterally install two footpath flow fan 311 and footpath flow fans 312 additional at sulfur hexafluoride step-up transformer housing 350 inner bottom parts for cylindrical shape, described footpath flow fan 311 and footpath flow fan 312 are symmetricly set on iron core 340 both sides, between housing 350 inwalls and coil 330, described footpath flow fan 311 and footpath flow fan 312 and iron core 340 axially parallels.Described footpath flow fan 311 and footpath flow fan 312 sizes are less than or equal to≤590 * φ 160mm, and the maximum quantity of wind of each fan is 16m
3/ min, power input is 120w.Form stable air channel shown in Fig. 5 dotted arrow in that reactor is inner like this: wind is blown to coil 330 and iron core 350 by the bottom, coils 330 and iron core 340, to upper top cover, by last slit along sidewall to the bottom fan, so forced circulation is air-cooled.Footpath flow fan 311 and footpath flow fan 312 outlet wind speed are about 3.5m/s.Described coil 330 adopts multiply enamel insulated wire coiling and uses the hard copper pipe at the middle part high-voltage terminal,
Because the enclosure interior gas pressure intensity is about 3.5 atmospheric pressure, so enclosure interior is made as the ellipsoid structure in the hope of resistance to compression effect preferably and sealing effectiveness are arranged.
Adopt diameter be the hard copper pipe of 2.8～3.2cm from coil middle straight leading-out wire, be in order to make Electric Field Distribution even, thereby reduce shelf depreciation.
Adopt above method, when environment temperature is 30 when spending, the Inside coil medial temperature is about 75 degree.
The local discharge experiment power supply system of the described a kind of small size of the utility model, the unified shipment of an available container, by introducing jacking gear, the control and the adjusting of distance between high-pressure section that step-up transformer, high pressure compensation reactor, voltage divider are formed and the low-voltage compensation reactor have been realized at the voltage supplying module.When testing, the may command hoistable platform rises with the high-pressure section of assurance step-up transformer, high pressure compensation reactor, voltage divider composition and the requirement that the distance between the low-voltage compensation reactor reaches insulation distance, depositing, in the transportation, then controlling hoistable platform and drop to minimum point to guarantee highly integrated container-type storage condition.Simultaneously, sulfur hexafluoride step-up transformer in the utility model and SF 6 high-voltage compensation reactor adopt the mode that increases the enclosure interior gas flow rates and reduce magnetic hysteresis loss and eddy current loss to reduce the Inside coil temperature, compare and install heating radiator additional at the reactor surface of shell and have better radiating effect, and can reduce the volume and weight of reactor, further reduced the heavy burden of hoistable platform and the volume of total system.
Preferred forms of the present utility model elaborates with reference to the accompanying drawings, and those skilled in the art can make amendment and conversion according to the technical program, and such modification and conversion all drop within the utility model protection domain.
Claims (4)
1. local discharge experiment power supply system, described local discharge experiment power supply system comprises two parts: a part is the intermediate frequency motor-generator; The voltage supplying module of another part for constituting by step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor, it is characterized in that, described step-up transformer is the sulfur hexafluoride step-up transformer, and described high pressure compensation reactor is the SF 6 high-voltage compensation reactor; The high-pressure section that described step-up transformer, high pressure compensation reactor and voltage divider are formed is fixed on the hoistable platform of jacking gear, and the low-voltage compensation reactor is fixed on the pedestal of jacking gear.
2. the local discharge experiment power supply system according to claim 1 is characterized in that: described jacking gear comprises hoistable platform, hydraulic gear, pedestal, operator's console; Stretching of described operator's console control hydraulic gear; Described step-up transformer, high pressure compensation reactor, voltage divider, low-voltage compensation reactor are to jacking gear with bolt.
3. the local discharge experiment power supply system according to claim 1 is characterized in that: described sulfur hexafluoride step-up transformer comprises transformer coil and the iron core in the housing, is full of the insulating gas sulfur hexafluoride in the housing; Described housing inner bottom part laterally adds two and is the footpath flow fan of cylindrical shape, described two footpath flow fans are symmetricly set on the iron core both sides, between inner walls and coil, described two footpath flow fans and iron core axially parallel, described coil adopts multiply enamel insulated wire coiling and uses the hard copper pipe at the middle part high-voltage terminal, and described housing is that aluminum and inside are the ellipsoid structure.
4. the local discharge experiment power supply system according to claim 1 is characterized in that: described SF 6 high-voltage compensation reactor comprises reactor winding and the iron core in the housing, is full of the insulating gas sulfur hexafluoride in the housing; Described housing inner bottom part laterally adds two and is the footpath flow fan of cylindrical shape, described two footpath flow fans are symmetricly set on the iron core both sides, between inner walls and coil, described two footpath flow fans and iron core axially parallel, described housing are that aluminum and inside are the ellipsoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720173005XU CN201130197Y (en) | 2007-09-07 | 2007-09-07 | Partial discharge test power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720173005XU CN201130197Y (en) | 2007-09-07 | 2007-09-07 | Partial discharge test power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130197Y true CN201130197Y (en) | 2008-10-08 |
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ID=40018059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720173005XU Expired - Lifetime CN201130197Y (en) | 2007-09-07 | 2007-09-07 | Partial discharge test power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130197Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162644B (en) * | 2007-09-07 | 2010-06-02 | 中国电力科学研究院 | Local discharge experiment power supply system |
-
2007
- 2007-09-07 CN CNU200720173005XU patent/CN201130197Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162644B (en) * | 2007-09-07 | 2010-06-02 | 中国电力科学研究院 | Local discharge experiment power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081008 Effective date of abandoning: 20070907 |