CN204497043U - The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor - Google Patents
The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor Download PDFInfo
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- CN204497043U CN204497043U CN201520208630.8U CN201520208630U CN204497043U CN 204497043 U CN204497043 U CN 204497043U CN 201520208630 U CN201520208630 U CN 201520208630U CN 204497043 U CN204497043 U CN 204497043U
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- 238000004804 winding Methods 0.000 title claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The utility model relates to the full leakage field of magnetic shunt type and reclaims coaxial double winding controllable impedance reactor, reactor is three-phase three-column coaxial coil structure, also comprise magnetic shunt iron core, control coil, leakage field recover, rectifier circuit, three main iron core outsides are provided with control coil, magnetic shunt iron core, main power coil successively, are provided with leakage field recover between described yoke core and main power coil; Described reactor secondary side is connected with one group of three phase rectifier bridge circuit, and rectifier circuit DC side is connected with insulated gate bipolar transistor IGBT.Advantage is: provide superhigh pressure Large Copacity quick adjustable reactor in a kind of power network, make the impedance ratio of existing high impedance transformer type reactor from original 33%-70%, bring up to 1%-300%; Equipment loss reduces 50%, effectively saves energy and reduce the cost.Reduce magnetic leakage by leakage field recover, reduce volume, equipment investment reduces 20%.
Description
Technical field
The utility model relates to the full leakage field of a kind of magnetic shunt type and reclaims coaxial double winding controllable impedance reactor.
Background technology
Existing high-impedance transformer is a kind of special Regulatable reactor, and wherein leakage reactance Z can be taken between 33%-70%.During for high-voltage fence, high-impedance transformer generally adopts wye delta, to reduce insulating requirements; Then adopt the connection of triangle-opening star in Medial & Low Voltage Power Network, former limit adopts delta connection can eliminate 3 subharmonic, and separately, make every phase load and other two-phase independently, thus can control separately, phase-splitting regulates secondary neutral point.But it, owing to adopting the structural design of three-phase and five-pole march-past always, exists impedanoe ratio lower always, equipment volume is large, high cost shortcoming.These shortcomings cause it can not use in larger capacity occasion.And due to itself leakage field higher, loss is comparatively large, also constrains it and uses.In addition, it adopts secondary controllable silicon (thyristor) pressure regulation short circuit mode to control second short circuit electric current, produces larger harmonic wave, also have impact on response speed.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide the full leakage field of a kind of magnetic shunt type and reclaims coaxial double winding controllable impedance reactor, solves the impedanoe ratio caused due to structural principle lower, the problem that loss is large, reduce magnetic leakage, reduced volume, reduce cost of manufacture.
For achieving the above object, the utility model is achieved through the following technical solutions:
The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor, comprise main power coil, yoke core, main iron core, main iron core two ends are fixed by upper and lower yoke core, main iron core outside is provided with main power coil, reactor is three-phase three-column coaxial coil structure, also comprise magnetic shunt iron core, control coil, leakage field recover, rectifier circuit, three main iron core outsides are provided with control coil, magnetic shunt iron core, main power coil successively, are provided with leakage field recover between described yoke core and main power coil; Described reactor secondary side is connected with one group of three phase rectifier bridge circuit, and rectifier circuit DC side is connected with insulated gate bipolar transistor IGBT.
Described leakage field recover comprises magnetic conductive metal layer and insulating barrier, and magnetic conductive metal layer is closely formed by stacking by steel disc, and magnetic conductive metal layer outside is provided with insulating barrier.
Described magnetic shunt iron core is made up of some silicon steel magnetic layers, is provided with air gap between silicon steel magnetic layer, and every layer of silicon steel magnetic layer is formed by stacking by silicon steel sheet.
Compared with prior art, the beneficial effects of the utility model are:
Provide superhigh pressure Large Copacity quick adjustable reactor in a kind of power network, make the impedance ratio of existing high impedance transformer type reactor from original 33%-70%, bring up to 1%-300%; Equipment loss reduces 50%, effectively saves energy and reduce the cost.Reduce magnetic leakage by leakage field recover, reduce volume, equipment investment reduces 20%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control principle drawing.
In figure: 1-upper yoke core 2-leakage field recover 3-main iron core 4-control coil 5-magnetic shunt iron core 6-main power coil 7-lower yoke core.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but it should be noted that enforcement of the present utility model is not limited to following execution mode.
See Fig. 1, Fig. 2, the full leakage field of magnetic shunt 5 type reclaims coaxial double winding controllable impedance reactor, comprise main power coil 6, yoke core, main iron core 3, main iron core 3 two ends are fixed by upper and lower yoke core 1,7, main iron core 3 outside is provided with main power coil 6, reactor is three-phase three-column coaxial coil structure, also comprise magnetic shunt iron core 5, control coil 4, leakage field recover 2, rectifier circuit, three main iron core 3 outsides are provided with control coil 4, magnetic shunt iron core 5, main power coil 6 successively, are provided with leakage field recover 2 between described yoke core and main power coil 6; Described reactor secondary side is connected with one group of three phase rectifier bridge circuit, and rectifier circuit DC side is connected with insulated gate bipolar transistor IGBT.
Wherein, leakage field recover 2 comprises magnetic conductive metal layer and insulating barrier, and magnetic conductive metal layer is closely formed by stacking by steel disc, and magnetic conductive metal layer outside is provided with insulating barrier.Magnetic shunt iron core 5 is made up of some silicon steel magnetic layers, is provided with air gap between silicon steel magnetic layer, and every layer of silicon steel magnetic layer is formed by stacking by silicon steel sheet.
The full leakage field of magnetic shunt 5 type reclaims coaxial double winding controllable impedance reactor using method, when regulating, namely when control coil 4 does not work, the magnetic flux that power coil produces is passed through by main iron core 3, make it can produce very low no-load current, be equivalent to the no-load transformer that is connected to electrical network; When control coil 4 works, control coil 4 produces perceptual magnetic flux, and is circulated by the magnetic shunt iron core 5 with air gap, by the SCR Trigger Angle of rectifier circuit regulable control coil 4, can provide the inductance value that controlled.
By changing the air gap of magnetic shunt iron core 5, just can change reactor impedance ratio, reaching the object of design high impedance.
During control coil work, it can produce leakage flux comparatively in a small amount, and this leakage flux, by leakage field recover (independent iron core loop), drops to minimum to make its loss on equipment impact.
See Fig. 2, the secondary side of controlled reactor accesses one group of three-phase full-controlled rectifier bridge circuit, the DC side of rectifier circuit connects an insulated gate bipolar transistor IGBT, after whole circuit is access in electrical network, three-phase full-controlled rectifier bridge circuit utilizes the Trigger Angle of initial setting (full conducting or fine setting) to carry out rectification work, DC side produces fixing direct voltage, when insulated gate bipolar transistor IGBT turns off, rectifier DC side does not have direct current to flow through, reactor is in Light Condition, when insulated gate bipolar transistor IGBT conducting, rectifier DC side direct current flows through smoothly, reactor is in fully loaded year state, by controlling the make-and-break time of insulated gate bipolar transistor IGBT, the i.e. duty ratio of adjustable DC side output waveform, thus regulate the output capacity of reactor.
Claims (3)
1. the full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor, comprise main power coil, yoke core, main iron core, main iron core two ends are fixed by upper and lower yoke core, main iron core outside is provided with main power coil, it is characterized in that, reactor is three-phase three-column coaxial coil structure, also comprise magnetic shunt iron core, control coil, leakage field recover, rectifier circuit, three main iron core outsides are provided with control coil, magnetic shunt iron core, main power coil successively, are provided with leakage field recover between described yoke core and main power coil; Described reactor secondary side is connected with one group of three phase rectifier bridge circuit, and rectifier circuit DC side is connected with insulated gate bipolar transistor IGBT.
2. the full leakage field of magnetic shunt type according to claim 1 reclaims coaxial double winding controllable impedance reactor, it is characterized in that, described leakage field recover comprises magnetic conductive metal layer and insulating barrier, and magnetic conductive metal layer is closely formed by stacking by steel disc, and magnetic conductive metal layer outside is provided with insulating barrier.
3. the full leakage field of magnetic shunt type according to claim 1 reclaims coaxial double winding controllable impedance reactor, it is characterized in that, described magnetic shunt iron core is made up of some silicon steel magnetic layers, is provided with air gap between silicon steel magnetic layer, and every layer of silicon steel magnetic layer is formed by stacking by silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208630.8U CN204497043U (en) | 2015-04-08 | 2015-04-08 | The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208630.8U CN204497043U (en) | 2015-04-08 | 2015-04-08 | The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497043U true CN204497043U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208630.8U Withdrawn - After Issue CN204497043U (en) | 2015-04-08 | 2015-04-08 | The full leakage field of magnetic shunt type reclaims coaxial double winding controllable impedance reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835637A (en) * | 2015-04-08 | 2015-08-12 | 鞍山罗恩伏特科技有限公司 | Magnetic shunt type total magnetic flux leakage recycling coaxial duplex winding impedance-controllable electric reactor |
| CN107546015A (en) * | 2017-10-10 | 2018-01-05 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of circuit adjustable transformer with vector function |
| CN109391041A (en) * | 2018-12-06 | 2019-02-26 | 国网辽宁省电力有限公司鞍山供电公司 | Complete period alternation magnetic flux leakage reclaiming type power supply device applied to air reactor |
-
2015
- 2015-04-08 CN CN201520208630.8U patent/CN204497043U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835637A (en) * | 2015-04-08 | 2015-08-12 | 鞍山罗恩伏特科技有限公司 | Magnetic shunt type total magnetic flux leakage recycling coaxial duplex winding impedance-controllable electric reactor |
| CN107546015A (en) * | 2017-10-10 | 2018-01-05 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of circuit adjustable transformer with vector function |
| CN107546015B (en) * | 2017-10-10 | 2024-04-05 | 国网辽宁省电力有限公司鞍山供电公司 | Line voltage regulating transformer with vector conversion function |
| CN109391041A (en) * | 2018-12-06 | 2019-02-26 | 国网辽宁省电力有限公司鞍山供电公司 | Complete period alternation magnetic flux leakage reclaiming type power supply device applied to air reactor |
| CN109391041B (en) * | 2018-12-06 | 2023-10-20 | 国网辽宁省电力有限公司鞍山供电公司 | Full-cycle alternating leakage magnetic field recovery power supply device applied to air-core reactors |
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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: 20150722 Effective date of abandoning: 20170623 |
|
| AV01 | Patent right actively abandoned |