CN103337351B - High-voltage automatic electrified adjustable reactor - Google Patents
High-voltage automatic electrified adjustable reactor Download PDFInfo
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- CN103337351B CN103337351B CN201310205802.1A CN201310205802A CN103337351B CN 103337351 B CN103337351 B CN 103337351B CN 201310205802 A CN201310205802 A CN 201310205802A CN 103337351 B CN103337351 B CN 103337351B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 113
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 239000011438 cord wood Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000008520 organization Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000005284 excitation Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a high-voltage automatic electrified adjustable reactor which is characterized by comprising at least one group of reactors, wherein the groups of reactors are connected in series and arranged vertically in a building block manner, and comprise iron cores and high-voltage coils wound outside the iron cores; the iron cores comprise stationary iron cores and movable iron cores; the movable iron cores are directly connected with a movable iron core connecting device; the movable iron core connecting device is arranged on a slide rail; and a control mechanism controls the movable iron core connecting device to make linear motion along the slide rail. According to the reactor, automatic adjustment of inductance at high voltage is realized due to movement of the stationary iron cores and the movable iron cores.
Description
Technical field
The present invention relates to a kind of reactor of controllable impedance, is a part for high voltage test resonance booster, belongs to the technical field of high-voltage testing equipment.
Background technology
In recent years, along with the fast development of electrical network, GIS(high voltage totally-enclosed combined electrical apparatus) because of its safety and stability, the advantage such as integrated level is high, floor space is little, be applied to more and more widely in the transformer substation construction of electrical network and power plant.Because instrument transformer in GIS is electric energy metrical important component part, its accuracy plays an important role for the trade settlement sending out transmission of electricity and power supply department, therefore needs to carry out error checking.
In GIS during voltage transformer verification, can not be completely that voltage transformer is independent, the bus of certain space-number and certain length be brought, just have certain direct-to-ground capacitance.Due to the existence of GIS interval and bus, just there is capacitance current when boosting.And GIS air chamber line size specification is different, length differs and the unification not to the utmost of wiring arrangement, causes the uncertainty of GIS pipeline capacitance.But because pipeline capacitance is uncertain, the resonance frequency of 50Hz will be reached during field test, need repeatedly repeatedly to adjust reactance value, waste time and energy, inefficiency, bring new difficulty to mutual inductor on site error test, the reactor of this adjustment difficulty is also domesticly at present carry out the common problem that in GIS, electromagnetic potential transformer error test faces for impact and the inconvenience of resonance step-up.
Summary of the invention
To be solved by this invention is the problem of adjustment of inductance difficulty, needs the automatic charged Regulatable reactor of high pressure providing a kind of inductance value wide region adjustable.
In order to achieve the above object, the technical solution adopted for the present invention to solve the technical problems:
The automatic charged Regulatable reactor of a kind of high pressure, it is characterized in that: at least comprise one group of reactor, often organize reactor to be connected in series and cordwood system type is arranged up and down, often organize reactor to comprise iron core and be wrapped in the high-tension coil outside iron core, described iron core comprises fixed core and dynamic iron core, described dynamic iron core and dynamic iron core jockey direct-connectedly connect, dynamic iron core jockey is arranged on rail plate, and controlling organization controls dynamic iron core jockey along rail plate rectilinear motion.
The automatic charged Regulatable reactor of aforesaid high pressure, is characterized in that: described dynamic iron core and fixed core are U-shaped structure, and the U-shaped opening part of dynamic iron core and fixed core is oppositely arranged, and adjusting nut is arranged in fixed core, and screw mandrel is through adjusting nut and dynamic iron core.
The automatic charged Regulatable reactor of aforesaid high pressure, is characterized in that: described fixed core and dynamic iron core are formed by the silicon steel plate packing of different in width.
The automatic charged Regulatable reactor of aforesaid high pressure, is characterized in that: the silicon steel sheet periphery of described fixed core and dynamic iron core is respectively arranged with fixed core ring and dynamic iron core ring.
The automatic charged Regulatable reactor of aforesaid high pressure, is characterized in that: have fixed core cover in fixed core arranged outside, has iron core cover in dynamic iron core arranged outside.
The automatic charged Regulatable reactor of aforesaid high pressure, is characterized in that: fixed core and fixed core cover form an entirety by casting resin, and dynamic iron core and dynamic iron core cover also pour into an entirety.
The automatic charged Regulatable reactor of aforesaid high pressure, it is characterized in that: on two stem stems of U-shaped fixed core, dynamic iron core, place a high-tension coil respectively, high-tension coil is wound on lining (epoxy material), and the stem stem between fixed core, dynamic iron core passes lining respectively at both sides simultaneously.
The automatic charged Regulatable reactor of aforesaid high pressure, it is characterized in that: the both end sides of described high-tension coil is provided with supporting bracket one and supporting bracket two, insulating cylinder is arranged between supporting bracket one and supporting bracket two, and the outside of supporting bracket one and supporting bracket two is respectively arranged with back shroud and front shroud.
The beneficial effect that the present invention reaches: the present invention is by the movement of fixed core and dynamic iron core, achieve the automatic adjustment of inductance under high-pressure situations, solve domestic problem of carrying out the adjustment reactor difficulty that electromagnetic potential transformer error test in GIS faces at present.
Accompanying drawing explanation
Fig. 1 is profile and the block diagram of the automatic charged Regulatable reactor of high pressure of the present invention;
Fig. 2 is excitation transformer structural representation of the present invention;
Fig. 3 a is fixed core cross-sectional view;
Fig. 3 b is fixed core overall structure schematic diagram;
Fig. 4 a is iron core cross-sectional view;
Fig. 4 b is iron core overall structure schematic diagram;
Fig. 5 is the mounting structure schematic diagram of the automatic charged Regulatable reactor of high pressure of the present invention.
Mark in accompanying drawing is as follows:
1 fixed core cover, 2 fixed cores, 3 end cap one, 4 pan head screws, 5 adjusting nuts, 6 fixed core rings, 7 back shrouds, 8 supporting bracket one, 9 insulating cylinders, 10 high-tension coils, 11 sockets, 12 trip bolts, 13 nuts, 14 covers, 15 packing rings, 16 supporting bracket two, 17 front shrouds, 18 ring adjusting nuts, 19 dynamic iron core rings, 20 dynamic iron core covers, 21 end cap two, 22 screw mandrels, 23 dynamic iron cores, 24 locking nuts, 25 linings, 26 excitation transformers; 27 dynamic iron core jockeys; 28 controlling organizations; 29 rail plates; 31 excitations become shell; 32 standard GB iron cores; 33 line bags one; 34 line bags two; 35 line bag fixed mechanisms.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, in a specific embodiment of the present invention, single reactor comprises two high-tension coil series connection, each line bag on upper and lower stem stem in Fig. 5; Often organize reactor to be connected in series and cordwood system type is arranged up and down, often organize reactor to comprise iron core and be wrapped in the high-tension coil outside iron core, described iron core comprises fixed core 2 and dynamic iron core 23, described dynamic iron core and dynamic iron core jockey 27 direct-connectedly connect, dynamic iron core jockey is arranged on rail plate 29, and controlling organization 28 controls dynamic iron core jockey along rail plate rectilinear motion.Fixed core maintains static, dynamic iron core is connected by dynamic iron core jockey one, and be placed on rail plate, by electric control mechanism, iron core jockey is moved horizontally, thus the air gap changed between dynamic, fixed core, by changing air gap thus reaching the object of the inductance value changing Regulatable reactor.
Described dynamic iron core and fixed core are U-shaped structure, and the U-shaped opening part of dynamic iron core and fixed core is oppositely arranged, and adjusting nut 5 is arranged in fixed core 2, and screw mandrel 22 is through adjusting nut 5 and dynamic iron core 23.
Described fixed core and dynamic iron core are formed by the silicon steel plate packing of different in width.
The silicon steel sheet periphery of described fixed core and dynamic iron core is respectively arranged with fixed core ring 6 and dynamic iron core ring 19.
There is fixed core cover 1 in fixed core arranged outside, have iron core cover 20 in dynamic iron core arranged outside.Fixed core and fixed core cover form an entirety by casting resin, same dynamic iron core and dynamic iron core cover also pour into an entirety, fixed core and dynamic iron core to fold by certain width and sheet number with high performance silicon steel sheet to form, fixed core cover and dynamic iron core cover are by fixed core, move iron core by stationary device after casting resin, prevent fixed and moving iron core stressed loose.Fixed core cover and dynamic iron core cover are placed on fixed core and dynamic iron core respectively, are positioned at the both sides of reactor, do not have physical connection.
The stem stem of fixed core, dynamic iron core through the lining of coiling high-tension coil respectively at the both sides of high-tension coil, had both reached the object of iron core excitation, had also reached the insulating effect of iron core and high-tension coil.Excitation transformer is placed in the base bottom of Reactor banks, and it boosts and isolation primary voltage and input voltage to the excitation of reactor for external power source, effectively prevents high-tension counterattack from injuring operating power and testing crew.
Reactor section utilizes screw mandrel to be connected with dynamic iron core cover and drives dynamic iron core, the dynamic core portion of four reactors links together by iron core jockey, according to current resonance conditions analysis, electric control mechanism judges that the inductance value of reactor and test product resonance under power frequency are bigger than normal or less than normal, determine that the air gap of reactor increases or reduces, then electric structure is allowed to control to move the horizontal movement that iron core jockey does left and right on rail plate, thus reach the air gap interval that change reactor moves iron core and fixed core, change the object of reactor inductance amount.
The both end sides of described line bag is provided with supporting bracket 1 and supporting bracket 2 16, and insulating cylinder 9 is arranged between supporting bracket one and supporting bracket two, and the outside of supporting bracket one and supporting bracket two is respectively arranged with back shroud 7 and front shroud 17.
End cap 1 or end cap two are provided with three perforates, the plane of fixed core cover, dynamic iron core cover is also provided with three corresponding perforates, fixes end cap by pan head screw 4 and screw mandrel and dynamic iron core, fixed core (dynamic iron core, fixed core cover pour into entirety respectively with dynamic, fixed core) are fixed together.Socket 11, trip bolt 12, nut 13, cover 14 and packing ring 15 are a whole set of devices, are mainly used for the extraction of high-tension coil copper cash; Trip bolt is for compressing copper cash, and socket, nut are the terminals for external output, and cover and packing ring are sealing and insulation between socket and insulating cylinder.
Adjustable air gap wide ranges between dynamic iron core, fixed core, thus make the adjustable range of Regulatable reactor wide, and electric adjusting mechanism adopts step-by-step linear electric motor, the fineness of adjustment is little, air gap regulated quantity that is dynamic, fixed core is little, makes the adjustment of inductance of high-voltage adjustable reactor continuous.
As shown in Figure 2, excitation transformer is placed in the base portion of whole cordwood system type high-voltage adjustable reactor, and its effect is intermediate isolating, and plays the effect of middle boosting.Shown in 31 is the shell that excitation becomes, and shown in 32 is the iron core that excitation becomes; 33,34 is devices of the line bag that excitation becomes, the static line bag of 35.
Excitation change comprises two independently line bags, the CD shaped iron core of middle placement standard, each line handbag draws together a winding and winding secondary winding after insulation processing, first around a winding (namely inputting winding) on CD shaped iron core epoxy skeleton, wraps then around secondary winding around complete rear dielectric film; Windings in series of two line bags connects, and secondary winding is also connected in series, the voltage uniform that each like this line is responsible for assigning, and due to bag all wired on iron core and line bag thickness is little, the magnetic circuit energy maximal efficiency of iron core by line bag.
As shown in Fig. 3 a, Fig. 3 b, Fig. 4 a, Fig. 4 b, fixed core, dynamic iron core signal, adopt high performance Japanese import silicon steel sheet, consistency is good, the close curve linear of magnetic.Dynamic core length is greater than fixed core length, and fixed core partial-length is little, and dynamic core portion is longer, can ensure dynamic iron core wrap online in displacement, the more inductance value changing Regulatable reactor.Stem portion is made up of the silicon steel sheet stack of different in width after amplifying, and window area maximizes, and the design of closed magnetic circuit, leakage field is few, and efficiency is high.Windowing of core portion, is the screw mandrel placing secured core, iron core can be moved horizontally.
As shown in Figure 5, line bag is coiling on a lining, is placed in external insulation cylinder during assembling by line bag, is drawn by the line binding post of starting and finish up of line bag; Dynamic iron core, fixed core are placed on respectively in fixed core cover and dynamic iron core cover, pour into entirety after folding, and place in the lining of online bag; Together with screw mandrel connects into iron core by end cap, change distance that is dynamic, fixed core, change its air gap separation, reach the object changing inductance value.
The method that the automatic charged Regulatable reactor of high pressure of the present invention regulates is: this reactor adopts by consistent for multiple stage parameter, that structure is the same series adjustable reactor design together, reactor line bag and fixed core part adopt an insulating material fixed head to fix, be fixed on a fixing track, dynamic core portion also adopts an insulating material to fix, be fixed on one can do on the track of rectilinear motion, during adjustment, change the air gap between dynamic iron core and fixed core by the rectilinear motion of dynamic track unshakable in one's determination, thus reach the object changing reactor inductance amount.The slide rail of energy rectilinear motion needs automatically to control according to test by control device, the air gap of automatic change reactor regulates the inductance value of reactor automatically, reach expection needs, when be adjusted to need inductance value time, the slide rail of dynamic core portion is just firmly fixed, and reduces the vibration in use procedure.By this automatic regulative mode, ensure that the air gap amount of every platform reactor can uniform distribution, inductance value is all substantially equal, so the voltage in series connection uses, every platform reactor distributed is basically identical, can not causes because voltage distribution inequality causes certain reactor overvoltage and damage.
Feature of the present invention: adopt cordwood structure, an entirety is divided into again the reactor of four platform independent to be in series, and the capacity of every platform is little, and overall weight is also little, convenient placement and transport.The iron core of reactor is divided into fixed core and dynamic iron core, iron core close and, its adjustable range is wide, and in effective adjustable range, maximum induction amount and minimum inductance amount are more than 10 times.Different owing to cutting off number in GIS, bus length differ and distribution pattern various, the capacitance existed has larger difference, be generally thousands of pico farad to pico farad up to ten thousand not etc., so ensure determining the resonance under frequency (50Hz) for such capicitive sample, the adjustable range of inductance value must be wide, just can meet the demands.
Claims (3)
1. the automatic charged Regulatable reactor of high pressure, it is characterized in that: at least comprise one group of reactor, often organize reactor to be connected in series and cordwood system type is arranged up and down, the inductance value often organizing reactor is identical, often organize reactor to comprise iron core and be wrapped in the high-tension coil outside iron core, described iron core comprises fixed core and dynamic iron core, described dynamic iron core and dynamic iron core jockey is direct-connected connects, dynamic iron core jockey is arranged on rail plate, controlling organization controls dynamic iron core jockey along rail plate rectilinear motion, described dynamic iron core and fixed core are U-shaped structure, the U-shaped opening part of dynamic iron core and fixed core is oppositely arranged, adjusting nut is arranged in fixed core, screw mandrel is through adjusting nut and dynamic iron core, described fixed core and dynamic iron core are formed by the silicon steel plate packing of different in width, and dynamic core length is greater than fixed core length, the silicon steel sheet periphery of described fixed core and dynamic iron core is respectively arranged with fixed core ring and dynamic iron core ring, there is fixed core cover in fixed core arranged outside, have iron core cover in dynamic iron core arranged outside, fixed core and fixed core cover form an entirety by casting resin, and dynamic iron core and dynamic iron core cover also pour into an entirety.
2. the automatic charged Regulatable reactor of high pressure according to claim 1, it is characterized in that: on two stem stems of U-shaped fixed core, dynamic iron core, place a high-tension coil respectively, high-tension coil is wound on lining, and the stem stem between fixed core, dynamic iron core passes lining respectively at both sides simultaneously.
3. the automatic charged Regulatable reactor of high pressure according to claim 2, it is characterized in that: the both end sides of described high-tension coil is provided with supporting bracket one and supporting bracket two, insulating cylinder is arranged between supporting bracket one and supporting bracket two, and the outside of supporting bracket one and supporting bracket two is respectively arranged with back shroud and front shroud.
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| CN201310205802.1A CN103337351B (en) | 2013-05-29 | 2013-05-29 | High-voltage automatic electrified adjustable reactor |
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| CN201310205802.1A CN103337351B (en) | 2013-05-29 | 2013-05-29 | High-voltage automatic electrified adjustable reactor |
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| CN103337351A CN103337351A (en) | 2013-10-02 |
| CN103337351B true CN103337351B (en) | 2015-02-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105140008A (en) * | 2014-08-29 | 2015-12-09 | 扬州市鑫源电气有限公司 | Novel multi-gear tuning electric reactor |
| CN106971833A (en) * | 2017-05-12 | 2017-07-21 | 山东泰开互感器有限公司 | A kind of novel adjustable reactor |
| CN106992067B (en) * | 2017-05-12 | 2018-08-17 | 江苏恒炫电气有限公司 | A kind of powerstat |
| CN107424810B (en) * | 2017-07-27 | 2019-03-22 | 国网湖北省电力公司计量中心 | A kind of induction-regulated resonance reactor open core structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615482A (en) * | 2009-05-11 | 2009-12-30 | 天津电气传动设计研究所 | Continuous adjustable iron-core reactor |
| CN101615487A (en) * | 2009-05-11 | 2009-12-30 | 天津电气传动设计研究所 | Iron-core reactor |
| CN203338959U (en) * | 2013-05-29 | 2013-12-11 | 国家电网公司 | High-voltage automatic electrified adjustable reactor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203415U (en) * | 1985-08-09 | 1987-04-22 | 彭志平 | Adjustable inductive resisfance reactor |
| JPH08273948A (en) * | 1995-04-03 | 1996-10-18 | Nissin High Voltage Co Ltd | Movable core reactor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615482A (en) * | 2009-05-11 | 2009-12-30 | 天津电气传动设计研究所 | Continuous adjustable iron-core reactor |
| CN101615487A (en) * | 2009-05-11 | 2009-12-30 | 天津电气传动设计研究所 | Iron-core reactor |
| CN203338959U (en) * | 2013-05-29 | 2013-12-11 | 国家电网公司 | High-voltage automatic electrified adjustable reactor |
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Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: Jiangsu Electric Power Company Patentee after: State Grid Corporation of China Co-patentee after: Electric Power Research Institute of Jiangsu Electric Power Company Co-patentee after: Wuhan pan electric Polytron Technologies Inc Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: Jiangsu Electric Power Company Patentee before: State Grid Corporation of China Co-patentee before: Electric Power Research Institute of Jiangsu Electric Power Company Co-patentee before: Wuhan Pandian Technology Co., Ltd. |