CN106571214B - A kind of current-limiting reactor of instantaneous regulative reactance - Google Patents
A kind of current-limiting reactor of instantaneous regulative reactance Download PDFInfo
- Publication number
- CN106571214B CN106571214B CN201610968775.7A CN201610968775A CN106571214B CN 106571214 B CN106571214 B CN 106571214B CN 201610968775 A CN201610968775 A CN 201610968775A CN 106571214 B CN106571214 B CN 106571214B
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- current
- wall
- shell
- limiting reactor
- instantaneous
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- -1 bottom plate (22) Chemical compound 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of current-limiting reactors of instantaneous regulative reactance of reactor technical field, including shell, the bottom of the shell is equipped with pedestal, the bottom of the housing cavity is equipped with control cabinet, motor is provided on the left of the control cabinet, the outer wall of the motor output shaft is socketed with driving wheel, the current-limiting reactor of the instantaneous regulative reactance, it is connected by the card slot of snap-gauge and housing exterior walls, it connects more stable, by the setting of gasket so that the current-limiting reactor insulating properties enhances, the setting of core is pasted by activity so that the reactance of the current-limiting reactor is adjustable and range increases, by the mutual cooperation of control cabinet and motor so that the rotation period of activity patch core is shorter, increase the safety in utilization of power equipment, reduce the damage to power equipment, when short circuit causes that electric current quickly increases in circuit, the current-limiting reactor Not only reach the requirement of electric system fault current limiting, but also preferably guarantee the stability of electric system.
Description
Technical field
The present invention relates to reactor technical field, specially a kind of current-limiting reactor of instantaneous regulative reactance.
Background technique
With the rapid development of electric system, single-machine capacity, station capacity, substation capacity, city and the center of industry
Load and the increase of load density, electric system between interconnection, cause the short circuit current size in electric system constantly to increase
Add.Currently, short circuit current it is excessive in addition it is exceeded oneself become restrict power network development an important factor for.Replacement switch is to solve short circuit electricity
One of the means of excessive problem are flowed, but the exceeded substation of short circuit current is generally load-center substation, the number of switches needed to change
It is numerous, and most of primary equipment and grounded screen etc. also need to change.Although replacement switch on the operation characteristic of power grid without influence,
But it is big, long in time limit using the investment of this means, so that power grid load-center substation is chronically at non-normal operation mode.Now, domestic
The method generallyd use outside is the growth of limiting short-circuit current, and the essence of current-limiting reactor is reduced by increasing system impedance
The tightness degree of power grid, to reduce the short circuit current of the certain branches of substation bus bar.Current-limiting reactor middle low-pressure system once
It is widely used, with the raising of switch manufacture level, the current-limiting reactor usage amount of middle-and-high voltage system is gradually decreased, and two
Kind adjustable series reactor solves the disadvantage that classical tandem reactor running wastage is big, induction reactance value is fixed in varying degrees,
And it is smaller to the stability influence of electric system.But the induction reactance adjustment of turn adjusting controllable reactor reaches the action time of predetermined value
It is shorter up to the adjustment time of several seconds, direct current magnetism-assisting tune magnetic permeability formula controlled reactor, but also reach 100ms or so, even more
It is long.At this point, the electric system of short circuit accident, especially direct current system occurs, it may occur that major accident, for this purpose, we mention
A kind of current-limiting reactor of instantaneous regulative reactance is gone out.
Summary of the invention
The purpose of the present invention is to provide a kind of current-limiting reactors of instantaneous regulative reactance, to solve in above-mentioned background technique
For the existing current-limiting reactor proposed mainly using the number of turns is adjusted, the reaction time is longer, the electric system of short circuit accident occurs, especially
It is direct current system, it may occur that the problem of major accident.
To achieve the above object, the invention provides the following technical scheme: a kind of current-limiting reactor of instantaneous regulative reactance, packet
Shell is included, the bottom of the shell is equipped with pedestal, and the bottom of the housing cavity is equipped with control cabinet, a left side for the control cabinet
Side is provided with motor, and the outer wall of the motor output shaft is socketed with driving wheel, is all provided at left and right sides of the inner walls
It is equipped with support frame, one end of support frame as described above is connected with insulated connecting piece, and one end of the insulated connecting piece is connected with fixture, and two
Connected by fixture cored between the group insulated connecting piece, the bottom of the iron core outer wall is connected with driven by pin shaft
Wheel, and driven wheel is connect by belt with driving wheel, and movable core, and a left side for movable core are provided on the right side of the driven wheel
End is connect with the outer wall of pin shaft, and winding coil is wrapped at the top of the iron core outer wall, two groups are equipped at the top of the shell
Binding post, the binding post include conducting rod, and the outer wall of the conducting rod is socketed with sealing ring, and sealing ring is connected to shell
Top, the bottom of the conducting rod is connected with wiring terminals, and conducting rod passes through one end of wiring terminals and winding coil
Connection, and the bottom of two groups of binding posts is connect with the left and right ends of winding coil respectively, the control cabinet respectively with motor, lead
Electric pole, terminals and winding coil are electrically connected.
Preferably, the pedestal includes bottom plate, and the top left and right ends of the bottom plate are provided with snap-gauge, the shell
Outer wall is provided with the card slot that connection is adapted to snap-gauge, and the bottom of the bottom plate is provided with gasket, and gasket passes through adhesive layer and bottom plate
Bonding.
Preferably, the fixture includes connecting column, and the outer wall of the connecting column is provided with external screw thread, the insulated connecting piece
Right end is provided with the threaded hole that connection is adapted to connecting column, and the top and bottom of the connecting column right side wall is respectively connected with clamping plate, institute
The right end for stating clamping plate is connected with fastening screw.
Compared with prior art, the beneficial effects of the present invention are: the current-limiting reactor of the instantaneous regulative reactance, passes through snap-gauge
It is connect with the card slot of housing exterior walls, connection is more stable, by the setting of gasket so that current-limiting reactor insulating properties enhancing, leads to
The setting of movable core is crossed so that the reactance of the current-limiting reactor is adjustable and range increases, passes through the mutual of control cabinet and motor
Cooperation increases the safety in utilization of power equipment so that the rotation period of movable core is shorter, reduces the damage to power equipment,
When short circuit causes that electric current quickly increases in circuit, which had both reached wanting for electric system fault current limiting
It asks, and preferably guarantees the stability of electric system.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic diagram of base structure of the present invention；
Fig. 3 is present clip structural schematic diagram；
Fig. 4 is binding post structure schematic diagram of the present invention.
In figure: 1 shell, 2 pedestals, 21 snap-gauges, 22 bottom plates, 23 gaskets, 3 control cabinets, 4 motor, 5 driving wheels, 6 supports
Frame, 7 insulated connecting pieces, 8 fixtures, 81 connecting columns, 82 clamping plates, 83 fastening screws, 9 iron cores, 10 driven wheels, 11 movable cores, 12
Winding coil, 13 binding posts, 131 conducting rods, 132 sealing rings, 133 terminals.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of current-limiting reactor of instantaneous regulative reactance, including
Shell 1, the bottom of the shell 1 are equipped with pedestal 2, and the bottom of 1 inner cavity of shell is equipped with control cabinet 3, the control cabinet 3
Left side be provided with motor 4, the outer wall of 4 output shaft of motor is socketed with driving wheel 5, the left and right of 1 inner wall of shell
Two sides are provided with support frame 6, and one end of support frame as described above 6 is connected with insulated connecting piece 7, one end of the insulated connecting piece 7
It is connected with fixture 8, passes through fixture 8 between insulated connecting piece 7 described in two groups and connects cored 9, the bottom of 9 outer wall of iron core is logical
It crosses pin shaft and is connected with driven wheel 10, and driven wheel 10 is connect by belt with driving wheel 5, the right side of the driven wheel 10 is provided with
Movable core 11, and the outer wall of the left end of movable core 11 and pin shaft connects, and is wrapped with winding wire at the top of 9 outer wall of iron core
Circle 12, the top of the shell 1 are equipped with two groups of binding posts 13, and the binding post 13 includes conducting rod 131, the conducting rod
131 outer wall is socketed with sealing ring 132, and sealing ring 132 is connected to the top of shell 1, the bottom connection of the conducting rod 131
There are wiring terminals 133, and conducting rod 131 is connect by wiring terminals 133 with one end of winding coil 12, and two groups of wiring
The bottom of column 13 is connect with the left and right ends of winding coil 12 respectively, the control cabinet 3 respectively with motor 4, conducting rod 131,
Terminals 133 and winding coil 12 are electrically connected.
Wherein, the pedestal 2 includes bottom plate 22, and bottom plate is played a supporting role, and the top left and right ends of the bottom plate 22 are equal
It is provided with snap-gauge 21, snap-gauge 21 is symmetrical arranged, and the outer wall of the shell 1 is provided with the card slot that connection is adapted to snap-gauge 21, passes through card
Plate 21 is connect with card slot so that the connection of shell 1 and pedestal 2 is more firm, and the bottom of the bottom plate 22 is provided with gasket 23, pad
Piece 23 plays insulating effect, and gasket 23 is Nian Jie with bottom plate 22 by adhesive layer, and the fixture 8 includes connecting column 81, connecting column
81 play a supporting role, and the outer wall of the connecting column 81 is provided with external screw thread, and the right end of the insulated connecting piece 7 is provided with and connecting column
The threaded hole of 81 adaptation connections, the top and bottom of 81 right side wall of connecting column are respectively connected with clamping plate 82, and two groups of clamping plates 82 press from both sides
In the outer wall of iron core 9, the right end of the clamping plate 82 is connected with fastening screw 83, and two groups of clamping plates 82 are connected by fastening screw 83.
Working principle: in circuit by two groups of series connection of binding post 13, pedestal 2 is placed in dry environment, in use, working as
Electric current is in that normal water is punctual in circuit, and the right end of movable core 11 and iron core 9 be in separated position, at this time current-limiting reactor work
For the use of common current-limiting reactor, when the failures such as short circuit occur in circuit, electric current is steeply risen in circuit, 3 moment of control cabinet
The current conditions in circuit are monitor, when electric current increases, control cabinet 3 controls motor 4 and works, and motor 4 passes through 5 band of driving wheel
Dynamic driven wheel 10 rotates, and movable core 11 is drawn close under the action of driven wheel 10 to rapid iron core 9, with movable core 11 and iron
The distance of core 9 is gradually reduced, and the reactance value of current-limiting reactor quickly increases, and achievees the effect that protect circuit.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. the bottom of a kind of current-limiting reactor of instantaneous regulative reactance, including shell (1), the shell (1) is equipped with pedestal
(2), it is characterised in that: the bottom of shell (1) inner cavity is equipped with control cabinet (3), is provided on the left of the control cabinet (3)
The outer wall of motor (4), motor (4) output shaft is socketed with driving wheel (5), the left and right sides of shell (1) inner wall
It is provided with support frame (6), one end of support frame as described above (6) is connected with insulated connecting piece (7), the insulated connecting piece (7)
One end is connected with fixture (8), connects cored (9) by fixture (8) between insulated connecting piece described in two groups (7), the iron core
(9) bottom of outer wall is connected with driven wheel (10) by pin shaft, and driven wheel (10) is connect by belt with driving wheel (5), institute
It states and is provided on the right side of driven wheel (10) movable core (11), and the outer wall of the left end of movable core (11) and pin shaft connects, institute
It states and is wrapped with winding coil (12) at the top of iron core (9) outer wall, two groups of binding posts (13) are installed at the top of the shell (1),
The binding post (13) includes conducting rod (131), and the outer wall of the conducting rod (131) is socketed with sealing ring (132), and sealing ring
(132) it is connected to the top of shell (1), the bottom of the conducting rod (131) is connected with terminals (133), and conducting rod (131)
Connect by terminals (133) with one end of winding coil (12), and the bottom of two groups of binding posts (13) respectively with winding coil
(12) left and right ends connection, the control cabinet (3) respectively with motor (4), conducting rod (131), terminals (133) and winding
Coil (12) is electrically connected.
2. a kind of current-limiting reactor of instantaneous regulative reactance according to claim 1, it is characterised in that: the pedestal (2)
Including bottom plate (22), the top left and right ends of the bottom plate (22) are provided with snap-gauge (21), and the outer wall of the shell (1) is provided with
The card slot of connection is adapted to snap-gauge (21), the bottom of the bottom plate (22) is provided with gasket (23), and gasket (23) passes through bonding
Layer is Nian Jie with bottom plate (22).
3. a kind of current-limiting reactor of instantaneous regulative reactance according to claim 1, it is characterised in that: the fixture (8)
Including connecting column (81), the outer wall of the connecting column (81) is provided with external screw thread, and the right end of the insulated connecting piece (7) is provided with and connects
The threaded hole of column (81) adaptation connection is connect, the top and bottom of connecting column (81) right side wall is respectively connected with clamping plate (82), institute
The right end for stating clamping plate (82) is connected with fastening screw (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610968775.7A CN106571214B (en) | 2016-10-27 | 2016-10-27 | A kind of current-limiting reactor of instantaneous regulative reactance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610968775.7A CN106571214B (en) | 2016-10-27 | 2016-10-27 | A kind of current-limiting reactor of instantaneous regulative reactance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571214A CN106571214A (en) | 2017-04-19 |
| CN106571214B true CN106571214B (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610968775.7A Expired - Fee Related CN106571214B (en) | 2016-10-27 | 2016-10-27 | A kind of current-limiting reactor of instantaneous regulative reactance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700949B (en) * | 2020-12-08 | 2022-01-11 | 山东泰开电力电子有限公司 | Current-limiting reactor structure for limiting overcurrent of power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360734B (en) * | 2011-09-19 | 2013-03-06 | 李景禄 | Intelligent wedged smoothly adjustable reactor |
| CN203397855U (en) * | 2013-09-05 | 2014-01-15 | 河海大学常州校区 | Moving iron core of rotary iron core type adjustable reactor |
| CN103824687A (en) * | 2013-10-30 | 2014-05-28 | 华北电力大学（保定） | Adjustable-inductance reactor with circular iron core |
| CN203690078U (en) * | 2013-11-01 | 2014-07-02 | 江苏南瑞帕威尔电气有限公司 | Rotary iron core type adjustable reactor |
| CN203910418U (en) * | 2014-05-13 | 2014-10-29 | 江苏省电力公司南京供电公司 | Adjustable-power type electric reactor |
| CN105679507A (en) * | 2016-03-30 | 2016-06-15 | 许继集团有限公司 | Instantaneous adjustable electric reactance current limiting reactor |
| CN105719819B (en) * | 2016-04-18 | 2018-04-06 | 上海电力学院 | Can on-line control capacity reactor |
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- 2016-10-27 CN CN201610968775.7A patent/CN106571214B/en not_active Expired - Fee Related
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| CN106571214A (en) | 2017-04-19 |
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Granted publication date: 20191015 Termination date: 20191027 |