CN110223866A - A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method - Google Patents
A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method Download PDFInfo
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- CN110223866A CN110223866A CN201810170133.1A CN201810170133A CN110223866A CN 110223866 A CN110223866 A CN 110223866A CN 201810170133 A CN201810170133 A CN 201810170133A CN 110223866 A CN110223866 A CN 110223866A
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- moving contact
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000033228 biological regulation Effects 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 49
- 230000003068 static effect Effects 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 11
- 230000001131 transforming effect Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0038—Tap change devices making use of vacuum switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
- H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention discloses a kind of miniaturization on-load voltage regulating switch and load voltage-regulating method, it is characterized in that, for the distribution transformer three-phase on-load voltage regulating switch that frequent progress voltage adjusts in on-load, including bottom plate, driving mechanism, selection switch block, switching switch block, transitioning component.Switch uses linear design, the driving of switching, selection is carried out using electromagnet and permanent magnet, eliminate the spring energy agency of complicated in mechanical structure, so that construction of switch is simple, small in size, improve operational reliability, production cost is reduced, and it is mounted on the volume and shape for not changing distribution transforming routine in distribution transformer, reduces the production cost of production on-load voltage regulation distribution transforming.Simultaneous Switching is switched over during pressure regulation using vacuum interrupter, it avoids because contact change-over arcing influences the performance of transformer insulation oil, reduce because of oil strain, change oil and give user's bring maintenance cost, realize non-maintaining in switch life period distribution transformer suitable for substantial amounts.
Description
Technical field
The present invention relates to distribution transformer on-load voltage regulation fields, in particular to a kind of miniaturization on-load voltage regulating switch
And load voltage-regulating method.
Background technique
With the continuous social and economic development and the continuous improvement of living standards of the people, power quality also proposed more
Carry out higher requirement, voltage is one of the main indicator for measuring power quality.The voltage stabilization of entire transmission and distribution network is by each
The on-load voltage regulation of grade transformer adjusts realization, and the on-load voltage regulation of distribution transformer is never expanded.Due to existing
On-load voltage regulating switch switched in electrification and can generate electric arc, the performance of the electric arc influence insulating oil of long term frequent,
Need periodically to be safeguarded, and existing its complicated in mechanical structure of the on-load voltage regulating switch using vacuum extinction, volume is larger, at
This height is not suitable for the distribution transformer of substantial amounts.
Beijing Pingkai Zhineng Electric Co., Ltd. has applied for the patent of invention of following application number: application number in China:
201610121960, denomination of invention: a kind of permanent magnet vacuum on-load voltage regulating switch, transformer and load voltage-regulating method, protection
Core is to simplify its structure, but be not set out its switch in its patent using two vacuum interrupters of permanent magnet mechanism and every phase
Each building block and its necessary connection features, from its Figure of description 4,5 and relative theory introduction it is found that its each building block not
It is to be fixed in same plate face, structure design is more complex, so that the length of switch can all increase, volume is still larger, relatively
In on-load voltage regulating switch in the prior art, although avoiding motor-driven structural complexity, its technical effect reached
The load tapchanging demand of distribution transformer of substantial amounts it is not able to satisfy still, being mounted in the regular distribution transformer of 100kVA needs
The volume for increasing distribution transforming could install switch, will increase the cost that user produces on-load voltage regulation distribution transforming.Secondly, using its explanation
Load voltage-regulating method in book has that voltage fluctuation is larger when carrying out pressure regulation transition.Because its transition circuit is solid
It is scheduled on same position, rather than follows the variation of pressure regulation gear and follows its variation, voltage when will lead to voltage adjustment transition
Fluctuation is big, influences quality of voltage.The pressure regulation side being configured in proportion using tap-changing windings is elaborated in its specification simultaneously
Method, and illustrate its advantage: relative to gear number demand it is more can save number of taps；But it is less for gear number for example
Pressure regulation gear (in the market more be 5 grades) between 3 to 7 grades, the tap changer of such pressure regulation method will increase and
It also will increase the workload and insulation costs when transformer winding coiling.
Summary of the invention
The present invention provides a kind of miniaturization on-load voltage regulating switch and load voltage-regulating method, so that transformer is in bringing onto load situation
Under carry out voltage adjustment without interruption, use vacuum extinction to solve maintenance issues, while its structure is simple, small in size, pacify
Do not change transformer conventional shape and volume in distribution transformer (to be mounted in the distribution transforming that capacity is 100kVA without changing
Become its conventional shape and volume), while improving reliability, the production cost of user's on-load voltage regulation change is reduced, is suitable for number
Measure huge distribution transformer.
In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is that:
A kind of miniaturization on-load voltage regulating switch, which is characterized in that frequent progress is electric in on-load for distribution transformer
Press the three-phase on-load voltage regulating switch of adjustment, including bottom plate, driving mechanism, selection switch block, switching switch block, transition group
All building blocks of part, switch are installed on the same face of the bottom plate；
The driving mechanism includes permanent magnet, electromagnet, linear guide A, linear guide B, metal supporting frames；
The selection switch block includes moving contact, static contact, moving contact insulating frame, static contact and insulation frame；
The switching switch block includes vacuum interrupter, static contact and insulation seat, moving contact insulating base；
The transitioning component includes transition element, transition insulating base；
The solenoid actuated linear guide B movement, the linear guide B drive the moving contact insulating base movement, and then band
The moving contact movement for moving the vacuum interrupter, is switched on or switched off the corresponding vacuum interrupter, complete pressure regulation major loop and
The switching in transition circuit；
The permanent magnet driving linear guide A movement, the linear guide A drives the movement of moving contact insulating frame, and then drives institute
The selection that the moving contact in selection switch block carries out the static contact is stated, the selection of corresponding pressure regulation gear is completed.
A preferred embodiment of the invention, the permanent magnet, the electromagnet pass through the metal and support
Frame is fixed on the bottom plate, and the drive rod of the permanent magnet is fixedly connected with the linear guide A, the driving of the electromagnet
Bar is fixedly connected with the linear guide B.
A preferred embodiment of the invention, the moving contact selected in switch block pass through described dynamic
Contact head insulated frame is fixed on the linear guide A, and the static contact is fixed on the bottom plate by the static contact and insulation frame
On, the static contact is located at the two sides of the moving contact.
A preferred embodiment of the invention, every phase include two vacuum interrupters, and two of every phase
The moving contact of the vacuum interrupter is fixed on the same moving contact insulating base, and the moving contact insulating base is fixed on institute
It states on linear guide B, the static contact of each vacuum interrupter passes through the static contact and insulation seat and is fixed on the bottom plate
On.
A preferred embodiment of the invention, two vacuum interrupters of every phase, one is connected to pressure regulation
In major loop, one is connected in pressure regulation transition circuit, the driving of two vacuum interrupters of every phase in the electromagnet
Under have being switched on or switched off for timing.
The vacuum interrupter of a preferred embodiment of the invention, three-phase is arranged in a linear.
A preferred embodiment of the invention, the transition element are fixed on described by the transition insulating base
On bottom plate.
A preferred embodiment of the invention, the lower section the linear guide A, the linear guide B are provided with
Bearing, bearing are fixed on the bottom plate.
A preferred embodiment of the invention, the moving contact and the stationary contact selected in switch block
The quantity and connection type of head are determined according to pressure regulation gear number and regulating circuit connection type.
A kind of load voltage-regulating method, which is characterized in that for transformer carries out voltage in bringing onto load without interruption
Adjustment, including major loop and transition circuit carry out the switching of pressure regulation gear using above-mentioned on-load voltage regulating switch；
When carrying out voltage adjustment, the miniaturized vacuum on-load voltage regulating switch connect its be connected to it is true in the transition circuit
Empty arc-chutes, the transition circuit conducting；It is then turned off its vacuum interrupter being connected in the major loop, it is corresponding to select
It selects switch to be selected in no current, be connect with corresponding pressure regulation tap；
After the completion of gear selection, the vacuum interrupter in the major loop is first connected, described true in the transition circuit
Empty arc-chutes disconnect again, and pressure regulation is completed.
Compared with the existing technology, the beneficial effects of the invention are as follows the adjustment of pressure regulation gear is carried out using electromagnet, permanent magnet, no
Only simplify pressure regulation process, and its structure is simple, small in size (be mounted in distribution transforming, do not change the volume and shape of conventional distribution transforming
Shape), the structure of on-load voltage regulating switch is greatly simplified, operational reliability is improved, reducing user has the production cost for carrying distribution transforming, simultaneously
It is switched over during pressure regulation using vacuum interrupter, is avoided because contact change-over arcing influences the property of transformer insulation oil
Can, reduce because of oil strain, change oil and give user's bring maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of miniaturization on-load voltage regulating switch structural schematic diagram of the present invention.
Fig. 2 is a kind of load voltage-regulating method schematic illustration of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Embodiment discussed below is only used for more clearly from
Illustrate technical solution of the present invention, be the selected embodiment of the present invention, rather than whole embodiments, cannot be limited with this
Protection scope of the present invention processed.Those skilled in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It is a kind of miniaturization on-load voltage regulating switch of the present invention, including bottom plate 1, driving mechanism 2, selection switching group referring to Fig. 1
Part 3, switching switch block 4, transitioning component 5.Driving mechanism 2, selection switch block 3, switching switch block 4, transitioning component 5 are equal
It is mounted on the same face of bottom plate 1.
Driving mechanism 2 includes permanent magnet 6, electromagnet 7, linear guide A8, linear guide B9, metal supporting frames 10；Permanent magnetism
Iron 6, electromagnet 7 are fixed on bottom plate 1 by metal supporting frames 10, and the drive rod of permanent magnet 6 is fixedly connected with linear guide A8,
The drive rod of electromagnet 7 is fixedly connected with linear guide B9；Bearing, axis are provided with below linear guide A8, linear guide B9
It holds and is fixed on bottom plate 1, be used to support and reduce the running friction of linear guide A8, linear guide B9.
Selecting switch block 3 includes moving contact 11, static contact 12, moving contact insulating frame 13, static contact and insulation frame 14；Dynamic touching
First 11 are fixed on linear guide A8 by moving contact insulating frame 13, and static contact 12 is fixed on bottom plate by static contact and insulation frame 14
On 1, the static contact 12 of every phase is respectively positioned on the two sides of moving contact 11.
Switching switch block 4 includes vacuum interrupter 15, static contact and insulation seat 16, moving contact insulating base 17；Every phase is wrapped
Two vacuum interrupters are included, the vacuum interrupter of three-phase is arranged in a linear, and the moving contact of two vacuum interrupters of every phase is fixed
On the same moving contact insulating base 17, moving contact insulating base 17 is fixed on linear guide B9, each vacuum interrupter it is quiet
Contact passes through static contact and insulation seat 16 and is fixed on bottom plate 1.
Transitioning component 5 includes transition element 18, transition insulating base 19, and transition element 18 is fixed on by transition insulating base 19
On bottom plate 1.
When needing pressure regulation, the drive rod of electromagnet 7 drives linear guide B9 linear motion, and linear guide B9 drives dynamic touching
Head insulating base 17 moves, and then drives the moving contact movement of vacuum interrupter 15, controls the connection of corresponding vacuum interrupter 15
Or it disconnects.
The drive rod of permanent magnet 6 drives linear guide A8 linear motion, and linear guide A8 drives moving contact insulating frame 13 to transport
It is dynamic, and then moving contact 11 is driven to move, carry out the selection of static contact 12.
It referring to fig. 2, is to disclose a kind of use so that pressure regulation gear is 5 grades, regulating circuit connection is using thickness tune mode as an example
The principle explanation of the load voltage-regulating method of Fig. 1 on-load voltage regulating switch；D1, D2 in every phase in Fig. 2 represents vacuum interrupter,
K1, K2, K3 represent the switch of the selection in major loop, and K4, K5 represent the switch of the selection in transition circuit, and K1, K2, K3, K4, K5 can
To carry out the selection of upper and lower contact, R represents transition resistance, and L1, L2, L3 represent transformer regulating winding, L3, L2, L1 winding turns
Number ratio=2:1:1, L3 is the coarse adjustment section of tap-changing windings, and L1, L2 are fine tuning sections.
K1, K2, K3 combination are connected in major loop, and vacuum interrupter D2 is connected in major loop, and K4, K5 combination are connected to
In transition circuit, transition resistance R and vacuum interrupter D1 are connected in transition circuit, and when normal operation, vacuum interrupter D2 is connect
Logical, i.e., major loop is connected, and it is that transition circuit disconnects that D1, which is disconnected,.When needing to carry out voltage adjustment, driving mechanism drive K4, K5 into
Row selection (transition circuit follows gear change to be adjusted), vacuum interrupter D1 is connected after the completion of selection, the conducting of transition circuit；
Then vacuum interrupter D2 is driven to disconnect again, major loop disconnects, and driving mechanism drives selection switch K1, K2, K3 to adjust as needed
Pressure instruction carries out selection adjustment；After the completion of selection, vacuum interrupter D2 is connected, and major loop conducting, vacuum interrupter D1 is disconnected, mistake
Circuit disconnection is crossed, primary voltage adjustment is completed.During voltage adjustment, select switch K1, K2, K3, K4, K5 in no current feelings
It is selected under condition.
The introduction of transition timing is carried out so that first grade of pressure regulation gear is transitioned into second gear as an example: when first grade of normal operation,
K1, K2, K3 are all connected with its respective lower contact, and in an ON state, D1 is in an off state vacuum interrupter D2；When need from
When one grade of progress voltage is adjusted to two grades, the selection switch K5 in transition circuit connects its lower contact, and vacuum interrupter D1 is connected,
The conducting of transition circuit；It is then turned off vacuum interrupter D2, major loop disconnects, and switch K3 selection is selected to be connected thereto contact, K1, K2
Still connect its lower contact；After the completion of selection, vacuum interrupter D2 is connected, major loop conducting；It is then turned off vacuum interrupter D1,
Transition circuit disconnects, and the pressure regulation from one grade to two grade is completed.
It selects switch K4, K5 also to can be omitted in transition circuit, makes in Fig. 2 connection transition resistance R, vacuum interrupter D2
Transition circuit removes the principal tapping gear or other selected pressure regulation shelves that selection switch K4, K5 are directly fixedly connected on tap-changing windings
Position, when carrying out gear adjustment, transition circuit no longer follows the variation of gear and changes therewith, but is fixedly connected on always same
One position；The voltage regulating mode for following gear change compared to transition circuit and changing, transition circuit is fixed on some selected
Tapping gear, when voltage adjusts transition, voltage fluctuation is larger；Transition circuit is preferably selected in area demanding for quality of voltage
The voltage regulating mode for following gear change and changing.
Fig. 2 is to have carried out voltage-regulation principle so that a kind of pressure regulation gear is the regulating circuit connection type of 5 grades of thickness tune as an example
Introduction, it is also linear adjust, the positive regulating circuit for the various ways such as demodulating can using on-load voltage regulating switch of the invention into
The adjustment of row voltage, different pressure regulation gear number (recommending 5 grades~17 grades of gear number, gear number is determined according to user demand) and difference
Regulating circuit connection type, needed for selection number of switches and connection combination it is different, but can use and above-mentioned have
Voltage adjustment of on-load structure and load voltage-regulating method are realized.
Summary, switch is whole to use linear design scheme, and driving mechanism linear drives select switch block and switching switch
The movement of component enormously simplifies the mechanical mechanism of switch, improves the reliability of switch；All building blocks of Simultaneous Switching
It is installed in the side of same bottom plate, is substantially reduced by combination arranged in a straight line so that the spatial position of each component is rationally compact
Volume of switch so that switch is mounted in distribution transformer, do not change distribution transforming routine volume and shape (capacity 100kVA's
Distribution transforming is without change conventional shape and volume), reduce the production cost of switch production cost and user's on-load voltage regulation distribution transforming.
Simultaneous Switching carries out the switching of gear using vacuum interrupter, avoids because contact change-over arcing influences the property of transformer insulation oil
Can, reduce because of oil strain, change oil and give user's bring maintenance cost, realize non-maintaining in the switch life period, is suitable for
The distribution transformer of substantial amounts.
The above is only a preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several changes and improvements can also be made, these changes and improvements are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of miniaturization on-load voltage regulating switch, which is characterized in that be used for distribution transformer frequent progress in on-load
The three-phase on-load voltage regulating switch of voltage adjustment, including bottom plate, driving mechanism, selection switch block, switching switch block, transition group
All building blocks of part, switch are installed on the same face of the bottom plate；
The driving mechanism includes permanent magnet, electromagnet, linear guide A, linear guide B, metal supporting frames；
The selection switch block includes moving contact, static contact, moving contact insulating frame, static contact and insulation frame；
The switching switch block includes vacuum interrupter, static contact and insulation seat, moving contact insulating base；
The transitioning component includes transition element, transition insulating base；
The solenoid actuated linear guide B movement, the linear guide B drive the moving contact insulating base movement, and then band
The moving contact movement for moving the vacuum interrupter, is switched on or switched off the corresponding vacuum interrupter, complete pressure regulation major loop and
The switching in transition circuit；
The permanent magnet driving linear guide A movement, the linear guide A drives the movement of moving contact insulating frame, and then drives institute
The selection that the moving contact in selection switch block carries out the static contact is stated, the selection of corresponding pressure regulation gear is completed.
2. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that the permanent magnet, the electricity
Magnet is fixed on the bottom plate by the metal supporting frames, and the drive rod of the permanent magnet and the linear guide A are solid
Fixed connection, the drive rod of the electromagnet are fixedly connected with the linear guide B.
3. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that in the selection switch block
The moving contact be fixed on the linear guide A by the moving contact insulating frame, the static contact pass through the stationary contact
Head insulating frame is fixed on the bottom plate, and the static contact is located at the two sides of the moving contact.
4. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that every phase includes described in two
Vacuum interrupter, the moving contact of two vacuum interrupters of every phase are fixed on the same moving contact insulating base, institute
It states moving contact insulating base to be fixed on the linear guide B, the static contact of each vacuum interrupter passes through the stationary contact
Head insulating base is fixed on the bottom plate.
5. a kind of miniaturization on-load voltage regulating switch according to claim 4, which is characterized in that two vacuum of every phase
Arc-chutes, one is connected in pressure regulation major loop, and one is connected in pressure regulation transition circuit, two vacuum extinctions of every phase
There is being switched on or switched off for timing in room under the driving of the electromagnet.
6. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that the vacuum extinction of three-phase
Room is arranged in a linear.
7. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that the transition element passes through institute
Transition insulating base is stated to be fixed on the bottom plate.
8. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that the linear guide A, described
It is provided with bearing below linear guide B, bearing is fixed on the bottom plate.
9. a kind of miniaturization on-load voltage regulating switch according to claim 1, which is characterized in that in the selection switch block
The moving contact and the quantity and connection type of the static contact determined according to pressure regulation gear number and regulating circuit connection type.
10. a kind of load voltage-regulating method, which is characterized in that for transformer carries out voltage tune in bringing onto load without interruption
It is whole, including major loop and transition circuit, the switching of pressure regulation gear is carried out using above-mentioned on-load voltage regulating switch；
When carrying out voltage adjustment, the miniaturized vacuum on-load voltage regulating switch connect its be connected to it is true in the transition circuit
Empty arc-chutes, the transition circuit conducting；It is then turned off its vacuum interrupter being connected in the major loop, it is corresponding to select
It selects switch to be selected in no current, be connect with corresponding pressure regulation tap；
After the completion of gear selection, the vacuum interrupter in the major loop is first connected, described true in the transition circuit
Empty arc-chutes disconnect again, and pressure regulation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170133.1A CN110223866A (en) | 2018-03-01 | 2018-03-01 | A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170133.1A CN110223866A (en) | 2018-03-01 | 2018-03-01 | A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110223866A true CN110223866A (en) | 2019-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810170133.1A Pending CN110223866A (en) | 2018-03-01 | 2018-03-01 | A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method |
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| CN (1) | CN110223866A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242532A (en) * | 2021-12-08 | 2022-03-25 | 深圳智电时代科技有限公司 | Electromagnetic switch module |
| CN115346781A (en) * | 2022-09-01 | 2022-11-15 | 北京博瑞莱智能科技周口有限公司 | Transformer on-load voltage regulation switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011109272A1 (en) * | 2011-08-03 | 2013-02-07 | Maschinenfabrik Reinhausen Gmbh | Linear drive for tap changer |
| CN105719817A (en) * | 2016-03-03 | 2016-06-29 | 北京平开智能电气有限公司 | Permanent magnetic vacuum on-load voltage regulation switch, transformer and on-load voltage regulation method |
| CN207852510U (en) * | 2018-03-01 | 2018-09-11 | 济南爱迪电气设备有限公司 | A kind of miniaturization on-load voltage regulating switch |
-
2018
- 2018-03-01 CN CN201810170133.1A patent/CN110223866A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011109272A1 (en) * | 2011-08-03 | 2013-02-07 | Maschinenfabrik Reinhausen Gmbh | Linear drive for tap changer |
| CN105719817A (en) * | 2016-03-03 | 2016-06-29 | 北京平开智能电气有限公司 | Permanent magnetic vacuum on-load voltage regulation switch, transformer and on-load voltage regulation method |
| CN207852510U (en) * | 2018-03-01 | 2018-09-11 | 济南爱迪电气设备有限公司 | A kind of miniaturization on-load voltage regulating switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242532A (en) * | 2021-12-08 | 2022-03-25 | 深圳智电时代科技有限公司 | Electromagnetic switch module |
| CN114242532B (en) * | 2021-12-08 | 2023-08-29 | 深圳智电时代科技有限公司 | Electromagnetic switch module |
| CN115346781A (en) * | 2022-09-01 | 2022-11-15 | 北京博瑞莱智能科技周口有限公司 | Transformer on-load voltage regulation switching device |
| CN115346781B (en) * | 2022-09-01 | 2024-06-18 | 北京博瑞莱智能科技周口有限公司 | On-load voltage regulating switch device of transformer |
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