CN202712800U - Adjustable tuned filter direct-current ice-melting device - Google Patents
Adjustable tuned filter direct-current ice-melting device Download PDFInfo
- Publication number
- CN202712800U CN202712800U CN2012204532988U CN201220453298U CN202712800U CN 202712800 U CN202712800 U CN 202712800U CN 2012204532988 U CN2012204532988 U CN 2012204532988U CN 201220453298 U CN201220453298 U CN 201220453298U CN 202712800 U CN202712800 U CN 202712800U
- Authority
- CN
- China
- Prior art keywords
- adjustable tuning
- ice
- icing device
- filter
- filtering
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The utility model discloses an adjustable tuned filter direct-current ice-melting device. The direct-current ice-melting device comprises an ice-melting power module, a direct-current ice-melting device, also comprises an adjustable tuned filter device, wherein the direct current ice-melting device and the adjustable tuned filter device are respectively connected with the ice-melting power module; the adjustable tuned filter device is also provided with each high-order filter capacitor, each set of filter capacitors in parallel is connected with the ice-melting power module. One set of the vehicle-loaded adjustable alternative current filter device is added to effectively suppress high-order harmonic such as fifth, seventh, eleventh, and thirteen, and 10kV bus line incoming outage operation is not needed at the direct-current ice-melting way, and the power supply reliability is improved.
Description
Technical field
The utility model relates to a kind of deicing device for transformer station, particularly relates to a kind of adjustable tuning filtering DC de-icing device.
Background technology
In order to satisfy large power network line DC ice melting needs, high-capacity direct current de-icing device (fixed) generally is installed in area 110, the 220kV load-center substation, line ice-melting is the mode of stand-standing, and produces positive effect for the ice-melt of fixed line in practical operation.But for 35kV and following power network line, the circuit wire side is wider, the path is poorer more complicated, has greatly enforcement difficulty for installing and fixing the formula DC de-icing device.In addition, because in China ice damage on a large scale is comparatively rare, local ice damage occurs every year, and institute thinks the utilance of raising deicing device, and movably deicing device arises at the historic moment.And present removable deicing device is not installed the DC filtering device, can not limit the harmonic component that produces under the DC ice melting pattern, causes the busbar voltage Quality Down, the power supply user is impacted, even have a power failure.
The utility model content
For addressing the above problem, the utility model purpose is to provide a kind of adjustable tuning filtering DC de-icing device, the vehicle-mounted adjustable AC filter installation of a newly-increased cover, can effectively suppress 5 times, 7 times, 11 times, 13 inferior high order harmonic components, under the DC ice melting mode, do not need 10kV bus inlet wire power failure operation is improved power supply reliability.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of adjustable tuning filtering DC de-icing device comprises ice-melt power module, DC de-icing device, also comprises the adjustable tuning filter, and described DC de-icing device and adjustable tuning filter all are connected with the ice-melt power module; Described adjustable tuning filter also is provided with the filtering capacitor of each high order, and each group filtering capacitor is connected in parallel in the ice-melt power module.
Further, each is organized described filtering capacitor and comprises isolation switch, filter reactor and the filter branch that is formed by electric capacity and inductance in parallel, and isolation switch, filter reactor are connected with filter branch.Described filtering capacitor group comprises filtering capacitor No. 5,7,11,13 times, high order harmonic component numerical value during according to DC converter, each high order harmonic component capacitor group of automatic switching.The double inactive power compensation of doing of described electric capacity.
Further, described ice-melt power module comprises two 10kV outlet switch cabinets, and two 10kV outlet switch cabinets are connected with DC de-icing device, adjustable tuning filter respectively, and described 10kV outlet switch cabinet is connected in the 10kV of transformer station main transformer circuit.In order to reduce the insulation level of device, ensure again the needs that enough energy satisfy ice-melt simultaneously, take 10kV as the ice-melt power supply.
Further, described DC de-icing device comprises that described measuring ability module, converter, output switch control module connect successively for detection of the measuring ability module of input section electric current and voltage swing, for the converter that alternating voltage is changed into direct voltage, for the output switch control module of the direct voltage break-make of controlling output.Described measuring ability module is for detection of input section electric current and size, for unit protection provides the current parameters value.Be provided with simultaneously overcurrent, overvoltage, capacity unmbalance, quick-break, overload, the protection of valve element damage testing, control system abnormity of power supply, lose synchro source, lose pulse, trigger unusual, over-voltage breakdown, valve chamber overtemperature etc. kinds of protect measure, the support equipment safe operation; Described converter is transformed to alternating current by large capacity thyristor valve the constant direct current of direction of certain numerical value; Described output switch control module is regulated and break-make control the direct voltage of output, is connected with the icing load.
Further, also be provided with for the function of tonic chord control module of whole device being carried out control and protection, described function of tonic chord control module is connected with measuring ability module, converter, output switch control module.Described function of tonic chord control module receives the signal of self-checking function module, simultaneously converter and output switch is controlled.
Further, in also being respectively equipped with a plurality of lightning arresters on the output circuit both positive and negative polarity of described DC de-icing device He on the described adjustable tuning filter.
Further, described DC de-icing device and adjustable tuning filter are loaded on the drag slab trailer separately, realize the removable of deicing device, increase the utilance of device.
The beneficial effects of the utility model are: a kind of adjustable tuning filtering DC de-icing device that the utility model adopts, can suppress each higher harmonic voltage and harmonic current that converter produces at AC, so that under the DC ice melting mode, do not need 10kV bus inlet wire power failure operation is improved power supply reliability.In addition, this device is loaded on the drag slab trailer, can satisfy the ice-melt needs in the power transformation place of various complex environments, improves the utilance of deicing device.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is electrical schematic diagram of the present utility model.
Embodiment
See figures.1.and.2, a kind of adjustable tuning filtering DC de-icing device of the present utility model, comprise ice-melt power module 1, DC de-icing device 2, also comprise adjustable tuning filter 3, described DC de-icing device 2 and adjustable tuning filter 3 all are connected with ice-melt power module 1; Described adjustable tuning filter 3 also is provided with the filtering capacitor 31 of each high order, and each group filtering capacitor is connected in parallel in ice-melt power module 1.Described DC de-icing device 2 makes conductor overheating carry out ice-melt to transmission line by transmission line being applied direct voltage and carrying out short circuit at the transmission line end, thereby avoids circuit because freezing rod disconnection.Simultaneously harmonic content and the reactive loss when reducing work also installed the adjustable tuning filter at main transformer circuit AC.
Further, each group filtering capacitor comprises isolation switch 310, filter reactor 311 and the filter branch 314 that is formed in parallel by electric capacity 312 and inductance 313, and isolation switch 310, filter reactor 311 are connected with filter branch 314.The filtering capacitor group comprises filtering capacitor No. 5,7,11,13 times, high order harmonic component numerical value during according to DC converter, each high order harmonic component capacitor of automatic switching.The double inactive power compensation of doing of described electric capacity.
Further, described ice-melt power module 1 comprises two 10kV outlet switch cabinets 11,12, two 10kV outlet switch cabinets 11,12 are connected with DC de-icing device 2, adjustable tuning filter 3 respectively, and described two 10kV outlet switch cabinets 11,12 are connected in the 10kV of transformer station main transformer circuit.In order to reduce the insulation level of device, ensure again the needs that enough energy satisfy ice-melt simultaneously, take 10kV as the ice-melt power supply.
Further, described DC de-icing device 2 comprises that described measuring ability module 21, converter 22, output switch control module 23 connect successively for detection of the measuring ability module 21 of input section electric current and voltage swing, for the converter 22 that alternating voltage is changed into direct voltage, for the output switch control module 23 of the direct voltage break-make of controlling output.21 of described measuring ability moulds are for detection of input section electric current and size, for unit protection provides the current parameters value.Be provided with simultaneously overcurrent, overvoltage, capacity unmbalance, quick-break, overload, the protection of valve element damage testing, control system abnormity of power supply, lose synchro source, lose pulse, trigger unusual, over-voltage breakdown, valve chamber overtemperature etc. kinds of protect measure, the support equipment safe operation; Described converter 22 is transformed to alternating current by large capacity thyristor valve the constant direct current of direction of certain numerical value; The direct voltage of 23 pairs of outputs of described output switch control module is regulated and break-make control, is connected with the icing load.
Further, also be provided with for the function of tonic chord control module 4 of whole device being carried out control and protection, described function of tonic chord control module 4 is connected with measuring ability module 21, converter 22, output switch control module 23.Described function of tonic chord control module receives the signal of self-checking function module 21, simultaneously described converter 22 and described output switch control module 23 is controlled.
Further, in also being respectively equipped with a plurality of lightning arresters 24 on the output circuit both positive and negative polarity of described DC de-icing device 2 He on the described adjustable tuning filter 3.
Further, described DC de-icing device 2 and adjustable tuning filter 3 are loaded on the drag slab trailer separately, realize the removable of deicing device, increase the utilance of device.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (7)
1. adjustable tuning filtering DC de-icing device, comprise ice-melt power module (1), DC de-icing device (2), it is characterized in that: also comprise adjustable tuning filter (3), described DC de-icing device (2) and adjustable tuning filter (3) all are connected with ice-melt power module (1); Described adjustable tuning filter (3) also is provided with the filtering capacitor (31) of each high order, and each group filtering capacitor is connected in parallel in ice-melt power module (1).
2. a kind of adjustable tuning filtering DC de-icing device according to claim 1, it is characterized in that: each is organized described filtering capacitor and comprises isolation switch (310), filter reactor (311) and the filter branch (314) that is formed in parallel by electric capacity (312) and inductance (313), and isolation switch (310), filter reactor (311) are connected with filter branch (314).
3. a kind of adjustable tuning filtering DC de-icing device according to claim 1, it is characterized in that: described ice-melt power module (1) comprises two 10kV outlet switch cabinets (11,12), two 10kV outlet switch cabinets (11,12) are connected with DC de-icing device (2), adjustable tuning filter (3) respectively, and described 10kV outlet switch cabinet (11,12) is connected in the 10kV of transformer station main transformer circuit.
4. a kind of adjustable tuning filtering DC de-icing device according to claim 1, it is characterized in that: described DC de-icing device (2) comprises that described measuring ability module (21), converter (22), output switch control module (23) connect successively for detection of the measuring ability module (21) of input section electric current and voltage swing, for the converter (22) that alternating voltage is changed into direct voltage, for the output switch control module (23) of the direct voltage break-make of controlling output.
5. according to claim 1 or 4 described a kind of adjustable tuning filtering DC de-icing devices; it is characterized in that: also be provided with for the function of tonic chord control module (4) of whole device being carried out control and protection, described function of tonic chord control module (4) is connected with measuring ability module (21), converter (22), output switch control module (23).
6. a kind of adjustable tuning filtering DC de-icing device according to claim 1 is characterized in that: in also being respectively equipped with a plurality of lightning arresters (24) on the output circuit both positive and negative polarity of described DC de-icing device (2) He on the described adjustable tuning filter (3).
7. a kind of adjustable tuning filtering DC de-icing device according to claim 1, it is characterized in that: described DC de-icing device (2) and adjustable tuning filter (3) are loaded on the drag slab trailer separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204532988U CN202712800U (en) | 2012-09-06 | 2012-09-06 | Adjustable tuned filter direct-current ice-melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204532988U CN202712800U (en) | 2012-09-06 | 2012-09-06 | Adjustable tuned filter direct-current ice-melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712800U true CN202712800U (en) | 2013-01-30 |
Family
ID=47593065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204532988U Expired - Fee Related CN202712800U (en) | 2012-09-06 | 2012-09-06 | Adjustable tuned filter direct-current ice-melting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262001A (en) * | 2015-11-24 | 2016-01-20 | 国网四川省电力公司电力科学研究院 | Ice melting method for overhead ground wire of power transmission line |
| CN106374467A (en) * | 2015-07-22 | 2017-02-01 | 利思电气（上海）有限公司 | Mobile outdoor high-voltage active filtering apparatus |
| WO2022247100A1 (en) * | 2021-05-25 | 2022-12-01 | 南方电网科学研究院有限责任公司 | Voltage source type direct-current ice melting apparatus, flexible interconnection system and control method |
-
2012
- 2012-09-06 CN CN2012204532988U patent/CN202712800U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374467A (en) * | 2015-07-22 | 2017-02-01 | 利思电气（上海）有限公司 | Mobile outdoor high-voltage active filtering apparatus |
| CN105262001A (en) * | 2015-11-24 | 2016-01-20 | 国网四川省电力公司电力科学研究院 | Ice melting method for overhead ground wire of power transmission line |
| WO2022247100A1 (en) * | 2021-05-25 | 2022-12-01 | 南方电网科学研究院有限责任公司 | Voltage source type direct-current ice melting apparatus, flexible interconnection system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202856361U (en) | Dynamic harmonic wave resistant reactive compensator | |
| CN202712800U (en) | Adjustable tuned filter direct-current ice-melting device | |
| CN103560514B (en) | A kind of reactive power compensation and harmonic treatment system | |
| CN203014389U (en) | High-voltage reactive power automatic compensation device | |
| CN104158518A (en) | Self energy taking power supply device | |
| CN203261040U (en) | Low-voltage dynamic reactive power compensation device | |
| CN202405792U (en) | Mining high-voltage dynamic filter energy saving device | |
| CN201623436U (en) | Direct-current ice melting device capable of being multiplexed into TSC | |
| CN201829958U (en) | Capacitor bank for directly compensating 110kV bus | |
| CN203491701U (en) | Harmonic-resistant intelligent integrated power capacitor | |
| CN201523241U (en) | Voltage reactive comprehensive optimization compensating device | |
| CN203261042U (en) | Modularized low-voltage intelligent reactive-power compensation device | |
| CN204030286U (en) | Outdoor reactive power compensation comprehensive distribution box | |
| CN202798000U (en) | Static var generator (SVG) high voltage static reactive power compensation system | |
| CN203504192U (en) | High-voltage step voltage and capacitance regulating reactive compensation complete equipment | |
| CN102545223A (en) | High-voltage dynamic filtering power-saving device for mine | |
| CN201623495U (en) | Reactive power compensation complete equipment of SVC transformer substation | |
| CN203056584U (en) | Filter compensation energy-saving electric cabinet | |
| CN203377601U (en) | Standby transformer reactive power compensator capable of adjusting power factor | |
| CN202167856U (en) | Automatic high-voltage dynamic reactive compensation cabinet | |
| CN202856370U (en) | Three-unit cylinder type intelligent capacitor | |
| CN202103427U (en) | Static state filtering reactive compensation cabinet | |
| CN202206141U (en) | Submerged arc furnace secondary low pressure fixing and dynamic energy-saving compensation device | |
| CN202395456U (en) | High and low voltage dynamic energy-saving compensation complete equipment of ore furnace | |
| CN204316096U (en) | A kind of 10kV automatic switching reactive compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140906 |
|
| EXPY | Termination of patent right or utility model |