CN103337351A - High-voltage automatic electrified adjustable reactor - Google Patents

High-voltage automatic electrified adjustable reactor Download PDF

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Publication number
CN103337351A
CN103337351A CN2013102058021A CN201310205802A CN103337351A CN 103337351 A CN103337351 A CN 103337351A CN 2013102058021 A CN2013102058021 A CN 2013102058021A CN 201310205802 A CN201310205802 A CN 201310205802A CN 103337351 A CN103337351 A CN 103337351A
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China
Prior art keywords
iron core
moving iron
core
reactor
fixed core
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CN2013102058021A
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CN103337351B (en
Inventor
杨志新
徐敏锐
黄奇峰
王忠东
卢树峰
杨世海
包玉树
孙军
胡利峰
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Wuhan Pan Electric Polytron Technologies Inc
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
WUHAN PANDIAN TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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Application filed by WUHAN PANDIAN TECHNOLOGY Co Ltd, State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd filed Critical WUHAN PANDIAN TECHNOLOGY Co Ltd
Priority to CN201310205802.1A priority Critical patent/CN103337351B/en
Publication of CN103337351A publication Critical patent/CN103337351A/en
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Publication of CN103337351B publication Critical patent/CN103337351B/en
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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

The automatic charged Regulatable reactor of a kind of high pressure
Technical field
The present invention relates to a kind of reactor of controllable impedance, is the part of high voltage test resonance step-up device, belongs to the Hi-pot test apparatus technology.
Background technology
In recent years, along with the fast development of electrical network, GIS(high voltage totally-enclosed combined electrical apparatus) because of advantage such as its safety and stability, integrated level height, floor space be little, in the transformer substation construction that is applied to electrical network and power plant more and more widely.Because instrument transformer is the electric energy metrical important component part in the GIS, its accuracy plays an important role for the trade settlement of sending out transmission of electricity and power supply department, therefore need carry out error checking.
In the GIS during voltage transformer verification, can not be independent voltage transformer fully, certain direct-to-ground capacitance just be arranged with the bus of going up certain space-number and certain length.Because just there is capacitance current in the existence of GIS interval and bus when boosting.And GIS air chamber line size specification difference, length differs and the wiring arrangement is unified not to the utmost, has caused the uncertainty of GIS pipeline capacitance.But because the pipeline capacitance is uncertain, to reach the resonance frequency of 50Hz during field test, need repeatedly to adjust repeatedly reactance value, waste time and energy, inefficiency, the mutual inductor on site error test has been brought new difficulty, and the reactor of this adjusting difficulty also is the common problem that the electromagnetic potential transformer error test faces among the present domestic GIS of carrying out for the influence of resonance step-up with inconvenience.
Summary of the invention
To be solved by this invention is the problem of adjustment of inductance difficulty, need provide the adjustable high pressure of a kind of inductance value wide region automatic charged Regulatable reactor.
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: comprise one group of reactor at least, every group of reactor is connected in series and cordwood system type is arranged up and down, every group of reactor comprises iron core and the high-tension coil that is wrapped in the iron core outside, described iron core comprises fixed core and moving iron core, described moving iron core and moving iron core jockey be direct-connected to be connect, moving iron core jockey is arranged on the rail plate, and the moving iron core jockey of controlling organization control is along the rail plate rectilinear motion.
The automatic charged Regulatable reactor of aforesaid high pressure is characterized in that: described moving iron core and fixed core are U-shaped structure, and the U-shaped opening part of moving iron core and fixed core is oppositely arranged, and adjusting nut is arranged in the fixed core, and screw mandrel passes adjusting nut and moving iron core.
The automatic charged Regulatable reactor of aforesaid high pressure is characterized in that: described fixed core and moving 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 moving iron core is respectively arranged with fixed core ring and moving iron core ring.
The automatic charged Regulatable reactor of aforesaid high pressure is characterized in that: in the fixed core arranged outside fixed core cover is arranged, in moving iron core arranged outside the iron core cover is arranged.
The automatic charged Regulatable reactor of aforesaid high pressure is characterized in that: fixed core and fixed core cover form an integral body by casting resin, and moving iron core and moving iron core cover also pour into an integral body.
The automatic charged Regulatable reactor of aforesaid high pressure, it is characterized in that: on two stem stems of U-shaped fixed core, moving iron core, place a high-tension coil respectively, high-tension coil is wound on the lining (epoxy material), and the stem stem between fixed core, moving iron core passes lining simultaneously respectively at both sides.
The automatic charged Regulatable reactor of aforesaid high pressure, it is characterized in that: the both end sides at described high-tension coil is provided with supporting bracket one and supporting bracket two, insulating cylinder is arranged between supporting bracket one and the 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 moving iron core, realize the automatic adjusting of inductance under high-pressure situations, solved the problem of the adjusting reactor difficulty that the electromagnetic potential transformer error test faces among the present domestic GIS of carrying out.
Description of drawings
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 the fixed core cross-sectional view;
Fig. 3 b is fixed core overall structure schematic diagram;
Fig. 4 a is the 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 the accompanying drawing is as follows:
1 fixed core cover, 2 fixed cores, 3 end caps, one, 4 pan head screw, 5 adjusting nuts, 6 fixed core rings, 7 back shrouds, 8 supporting brackets, one, 9 insulating cylinder, 10 high-tension coils, 11 sockets, 12 trip bolts, 13 nuts, 14 covers, 15 packing rings, 16 supporting brackets, two, 17 front shrouds, 18 ring adjusting nuts, 19 moving iron core rings, 20 moving iron core covers, 21 end caps, two, 22 screw mandrels, 23 moving iron cores, 24 locking nuts, 25 linings, 26 excitation transformers; 27 moving 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 the specific embodiment of the present invention, single reactor comprises the series connection of two high-tension coils, each line bag on the stem stem up and down among Fig. 5; Every group of reactor is connected in series and cordwood system type is arranged up and down, every group of reactor comprises iron core and the high-tension coil that is wrapped in the iron core outside, described iron core comprises fixed core 2 and moving iron core 23, described moving iron core and moving iron core jockey 27 be direct-connected to be connect, moving iron core jockey is arranged on the rail plate 29, and the moving iron core jockey of controlling organization 28 controls is along the rail plate rectilinear motion.Fixed core maintains static, moving iron core connects by moving iron core jockey one, and be placed on the rail plate, by electric control mechanism the iron core jockey is moved horizontally, thereby change the air gap between moving, fixed core, thereby by changing the purpose that air gap reaches the inductance value that changes Regulatable reactor.
Described moving iron core and fixed core are U-shaped structure, and the U-shaped opening part of moving iron core and fixed core is oppositely arranged, and adjusting nut 5 is arranged in the fixed core 2, and screw mandrel 22 passes adjusting nut 5 and moving iron core 23.
Described fixed core and moving iron core are formed by the silicon steel plate packing of different in width.
The silicon steel sheet periphery of described fixed core and moving iron core is respectively arranged with fixed core ring 6 and moving iron core ring 19.
In the fixed core arranged outside fixed core cover 1 is arranged, in moving iron core arranged outside iron core cover 20 is arranged.Fixed core and fixed core cover form an integral body by casting resin, same moving iron core and moving iron core cover also pour into an integral body, fixed core and moving iron core are to form by certain width and the folded system of sheet number with high performance silicon steel sheet, fixed core cover and moving iron core cover be with fixed core, moving iron core by stationary device behind the casting resin, anti-fastening, moving iron core are stressed loose.Fixed core cover and moving iron core cover place respectively on fixed core and the moving iron core, are positioned at the both sides of reactor, do not have physical connection.
The stem stem of fixed core, moving iron core passes the lining of coiling high-tension coil respectively at the both sides of high-tension coil, has both reached the purpose of iron core excitation, has also reached the insulating effect of iron core and high-tension coil.Excitation transformer places the base bottom of reactor group, and it boosts to the excitation of reactor for external power source and isolates primary voltage and input voltage, effectively prevents high-tension counterattack injury operating power and testing crew.
Reactor partly utilizes screw mandrel to link to each other with moving iron core cover and drives moving iron core, the iron core jockey partly links together the moving iron core of four reactors, electric control mechanism judges that according to current resonance situation analysis inductance value and test product resonance under power frequency of reactor are bigger than normal or less than normal, the air gap that determines reactor is increase or reduces, allow electric structure control move the horizontal movement of iron core jockey about rail plate is done then, thereby reach the air air gap separation that changes the moving iron core of reactor and fixed core, change the purpose of reactor inductance amount.
Both end sides at 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 the 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, also be provided with the perforate of three correspondences on the plane of fixed core cover, moving iron core cover, by pan head screw 4 fixedly end cap screw mandrel and moving iron core, fixed core (moving iron core, fixed core cover and move, fixed core poured into integral body respectively) are fixed together.Socket 11, trip bolt 12, nut 13, cover 14 and packing ring 15 are a whole set of devices, mainly are drawing for the high-tension coil copper cash; Trip bolt is used 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 moving iron core, fixed core, thereby make that the adjustable range of Regulatable reactor is wide, and motorized adjustment mechanism employing step-by-step linear electric motor, the fineness of adjusting is little, air gap regulated quantity moving, fixed core is little, makes that the adjustment of inductance of high pressure Regulatable reactor is continuous.
As shown in Figure 2, excitation transformer places the base portion of whole cordwood system type high pressure Regulatable reactor, and its effect is intermediate isolating, and the effect of boosting in the middle of playing.Shown in 31 is the shell that excitation becomes, and shown in 32 is the iron core that excitation becomes; 33, the 34th, the line bag that excitation becomes, the device of 35 static line bag.
The excitation change comprises two independently line bags, the CD sections core of middle placement standard, winding secondary winding after each line bag comprises a winding and passes through insulation processing earlier around a winding (namely importing winding), is wrapped then around secondary winding with dielectric film around intact back on the CD sections core epoxy skeleton; Windings in series of two line bags connects, and secondary winding also is connected in series, and the voltage that is responsible for assigning of each line is even like this, and because all wired bag and line bag thickness are little on the iron core, and the magnetic circuit of iron core can maximal efficiency passes through the line bag.
Shown in Fig. 3 a, Fig. 3 b, Fig. 4 a, Fig. 4 b, fixed core, moving iron core signal are adopted high performance Japanese import silicon steel sheet, high conformity, the close curve linear of magnetic.Moving core length is greater than fixed core length, and the fixed core partial-length is little, and moving iron core part is longer, can guarantee the displacement in the moving online bag of iron core, more changes the inductance value of Regulatable reactor.After stem stem partly amplifies, by the silicon steel plate packing one-tenth of different in width, the window area maximization, the design of closed magnetic circuit, leakage field is few, the efficient height.Windowing of iron core part is the screw mandrel of placing secured core, and iron core can be moved horizontally.
As shown in Figure 5, the line bag is coiling on a lining, during assembling the line bag is placed in the external insulation tube, and the line of starting and finish up of line bag is drawn with binding post; After moving iron core, fixed core are folded, be placed on respectively in fixed core cover and the moving iron core cover, pour into integral body, place in the lining of online bag; End cap connects into screw mandrel is in the same place with iron core, changes distance moving, fixed core, changes its air gap separation, reaches the purpose that changes inductance value.
The method that the automatic charged Regulatable reactor of high pressure of the present invention is regulated is: the series adjustable reactor that this reactor adopts will many parameter unanimities, structure is the same designs together, reactor line bag and fixed core partly adopt an insulating material fixed head to fix, be fixed on the fixing track, moving core portion also adopts an insulating material to fix, being fixed on one can do on the straight-line track, during adjusting, rectilinear motion by moving track unshakable in one's determination changes the air gap that moves between iron core and the fixed core, thereby reaches the purpose that changes the reactor inductance amount.Can control automatically according to the test needs by control device by straight-line slide rail, automatically the air gap that changes reactor is regulated the inductance value of reactor automatically, reaches the expection needs, when being adjusted to when needing inductance value, the slide rail of moving core portion is just firmly fixing, reduces the vibration in the use.By this automatic regulative mode, the air gap amount that has guaranteed every reactor can both uniform distribution, inductance value is all equal substantially, thus in series connection is used every voltage basically identical that reactor distributes, can not cause damaging because the voltage distribution inequality causes certain reactor overvoltage.
Characteristics of the present invention: adopt cordwood structure, the reactor that integral body is divided into four platform independent again is in series, and every capacity is little, and whole weight is also little, the convenient placement and transportation.The iron core of reactor is divided into fixed core and moving iron core, iron core close and, its adjustable range is wide, in effective adjustable range, maximum induction amount and minimum inductance amount are above 10 times.Among the GIS owing to cut off the number difference, bus length differ and distribution pattern various, the capacitance that exists has bigger difference, being generally thousands of pico farads does not wait to pico farads up to ten thousand, so guarantee at the resonance of deciding under the frequency (50Hz) for such capicitive sample, the adjustable range of inductance value must be wide, just can meet the demands.

Claims (8)

1. automatic charged Regulatable reactor of high pressure, it is characterized in that: comprise one group of reactor at least, every group of reactor is connected in series and cordwood system type is arranged up and down, every group of reactor comprises iron core and the high-tension coil that is wrapped in the iron core outside, described iron core comprises fixed core and moving iron core, described moving iron core and moving iron core jockey be direct-connected to be connect, moving iron core jockey is arranged on the rail plate, and the moving iron core jockey of controlling organization control is along the rail plate rectilinear motion.
2. the automatic charged Regulatable reactor of high pressure according to claim 1, it is characterized in that: described moving iron core and fixed core are U-shaped structure, the U-shaped opening part of moving iron core and fixed core is oppositely arranged, and adjusting nut is arranged in the fixed core, and screw mandrel passes adjusting nut and moving iron core.
3. the automatic charged Regulatable reactor of high pressure according to claim 2, it is characterized in that: described fixed core and moving iron core are formed by the silicon steel plate packing of different in width.
4. according to claim 2 or the automatic charged Regulatable reactor of 3 described high pressure, it is characterized in that: the silicon steel sheet periphery of described fixed core and moving iron core is respectively arranged with fixed core ring and moving iron core ring.
5. according to claim 2 or the automatic charged Regulatable reactor of 3 described high pressure, it is characterized in that: in the fixed core arranged outside fixed core cover is arranged, in moving iron core arranged outside the iron core cover is arranged.
6. according to claim 2 or the automatic charged Regulatable reactor of 3 described high pressure, it is characterized in that: fixed core and fixed core cover form an integral body by casting resin, and moving iron core and moving iron core cover also pour into an integral body.
7. according to claim 2 or the automatic charged Regulatable reactor of 3 described high pressure, it is characterized in that: on two stem stems of U-shaped fixed core, moving iron core, place a high-tension coil respectively, high-tension coil is wound on the lining, and the stem stem between fixed core, moving iron core passes lining simultaneously respectively at both sides.
8. the automatic charged Regulatable reactor of high pressure according to claim 7, it is characterized in that: the both end sides at described high-tension coil is provided with supporting bracket one and supporting bracket two, insulating cylinder is arranged between supporting bracket one and the supporting bracket two, and the outside of supporting bracket one and supporting bracket two is respectively arranged with back shroud and front shroud.
CN201310205802.1A 2013-05-29 2013-05-29 High-voltage automatic electrified adjustable reactor Active CN103337351B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106992067A (en) * 2017-05-12 2017-07-28 江苏恒炫电气有限公司 A kind of powerstat
CN107424810A (en) * 2017-07-27 2017-12-01 国网湖北省电力公司计量中心 A kind of induction-regulated resonance reactor open core structure

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106992067A (en) * 2017-05-12 2017-07-28 江苏恒炫电气有限公司 A kind of powerstat
CN107424810A (en) * 2017-07-27 2017-12-01 国网湖北省电力公司计量中心 A kind of induction-regulated resonance reactor open core structure
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

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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

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Co-patentee before: Wuhan Pandian Technology Co., Ltd.

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