CN110085459B - On-load capacity-regulating tapping switch - Google Patents
On-load capacity-regulating tapping switch Download PDFInfo
- Publication number
- CN110085459B CN110085459B CN201811520564.2A CN201811520564A CN110085459B CN 110085459 B CN110085459 B CN 110085459B CN 201811520564 A CN201811520564 A CN 201811520564A CN 110085459 B CN110085459 B CN 110085459B
- Authority
- CN
- China
- Prior art keywords
- capacity
- regulating
- voltage
- adjusting
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 12
- 230000007704 transition Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 101100426900 Caenorhabditis elegans trd-1 gene Proteins 0.000 description 3
- 101100243108 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PDI1 gene Proteins 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/56—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
-
- 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
- H01H9/0016—Contact arrangements for tap changers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a novel on-load capacity-regulating tapping switch which comprises a high-voltage capacity-regulating mechanism, a low-voltage capacity-regulating mechanism, a first permanent magnet mechanism and capacity-regulating rotating shafts, wherein the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism both comprise three groups of capacity-regulating modules, the capacity-regulating rotating shafts penetrate through the three groups of capacity-regulating modules, the first permanent magnet mechanism drives two capacity-regulating rotating shafts to synchronously move, each group of capacity-regulating modules comprises a plurality of first mounting plates, a plurality of first switching contact mechanisms and a vacuum tube, the first switching contact mechanisms and the vacuum tube are fixed on the first mounting plates, the capacity-regulating rotating shafts drive the vacuum tube to be closed or opened, and meanwhile, the capacity-regulating rotating shafts drive the plurality of first switching contact mechanisms to synchronously move. The novel on-load capacity-regulating tapping switch is in a modularized design, and is convenient to assemble, stable in structure and low in cost.
Description
Technical Field
The invention relates to a tapping switch, in particular to a novel on-load capacity-regulating tapping switch.
Background
At present, oil immersed on-load capacity-regulating tap changers are divided into two main types, namely a traditional capacity-regulating tap changer adopting copper-tungsten contacts and a vacuum capacity-regulating tap changer adopting vacuum arc extinction.
The capacity-adjusting tapping switch of the traditional copper-tungsten contact is directly subjected to arc extinction by means of insulating oil, so that the arc is seriously damaged on the insulating oil, and the maintenance and oil replacement are required to be carried out regularly to ensure the normal operation of the switch. This increases the workload and cost of the transformer for later maintenance and repair. Although the oil filtering device is additionally arranged on the switch to regularly filter oil, the maintenance period of the switch is prolonged, and maintenance-free operation is still impossible.
The vacuum on-load capacity-regulating tapping switch adopts the vacuum tube to extinguish the arc, the arc is always extinguished in the vacuum tube in the operation process of the switch, the insulating oil is not influenced, and the mechanical life and the electrical life of the vacuum tube far exceed the requirements of the tapping switch in the national standard, so the real maintenance-free operation can be realized in the service life period.
However, most existing vacuum on-load capacity-regulating tap-changer adopts a multi-vacuum transition circuit design due to the restriction of circuit principle. Multiple vacuum tubes are needed for each phase, so that the number of the vacuum tubes needed by the whole switch is excessive (up to 20 vacuum tubes), and the action procedure is complex. The switch has complex structure, high manufacturing precision and strict assembly process requirement. Manufacturing and assembly errors have great influence on the quality of the switch, and the stability and reliability of the switch cannot be guaranteed.
Because of the adoption of multiple vacuum transition circuits, the switch structure is complex, the existing vacuum on-load capacity-regulating switch is difficult to adopt a modularized design, and meanwhile, the miniaturization design of the switch is limited. The number of the vacuum tubes is excessive, the structure is complex, the cost of the switch is directly increased greatly, and the improvement of the economy of the vacuum on-load capacity-regulating tap switch is restricted.
With the development of the technology of the permanent magnet operating mechanism, the traditional spring energy storage type rapid mechanism is gradually replaced by the permanent magnet mechanism, and the newly developed on-load capacity-regulating tap switch basically adopts the permanent magnet rapid mechanism.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a novel on-load capacity-regulating tapping switch which is modularized, convenient to assemble, stable in structure and low in cost.
In order to achieve the above object, the present invention adopts the following technical scheme:
The utility model provides a novel on-load capacity-regulating tapping switch, includes high pressure capacity-regulating mechanism, low pressure capacity-regulating mechanism, first permanent magnetism mechanism and capacity-regulating pivot, high pressure capacity-regulating mechanism and low pressure capacity-regulating mechanism all include three group's capacity-regulating module, and capacity-regulating pivot runs through three group's capacity-regulating module, and first permanent magnetism mechanism drives two capacity-regulating pivot synchronous motion, and every group capacity-regulating module includes polylith first mounting panel, a plurality of first switching contact mechanism and a vacuum tube, and first switching contact mechanism and vacuum tube are fixed on first mounting panel, and capacity-regulating pivot drive vacuum tube's closure or disconnection, capacity-regulating pivot drive a plurality of first switching contact mechanism synchronous motion simultaneously.
As a preferable scheme: the first switching contact mechanism comprises a clamping type fixed contact component and a movable contact piece, the clamping type fixed contact components are fixed on one side of the first mounting plate in an arc shape, the movable contact piece is sleeved on the capacity-adjusting rotating shaft, the movable contact piece comprises a body part and a protruding part, the body part of the movable contact piece is always contacted with one of the clamping type fixed contact components, and the protruding part of the movable contact piece is switched among the other clamping type fixed contact components along with the movement of the capacity-adjusting rotating shaft.
As a preferable scheme: the volume-adjusting rotating shaft is provided with three cams, one side of each cam is also provided with a lever assembly, the lever assembly comprises a lever fixed on the mounting plate through a supporting shaft and a pull rod fixed at one end of the lever, the other end of the lever is in contact with the cams, and the cams drive the pull rod to move to open or close the first vacuum tube.
As a preferable scheme: the lever is L-shaped, and one end of the lever, which is contacted with the cam, is also provided with a roller.
As a preferable scheme: the first mounting plate is further provided with a pressure regulating right-angle support plate, and the pull rod penetrates through the pressure regulating right-angle support plate.
As a preferable scheme: each group of capacity adjusting modules of the low-voltage capacity adjusting mechanism comprises three first mounting plates and five first switching contact mechanisms, wherein one surface of one first mounting plate is fixed with a first vacuum tube, the other surface is fixed with a first switching contact mechanism, and the other four first switching contact mechanisms are respectively fixed on the four surfaces of the other two first mounting plates.
As a preferable scheme: each group of capacity adjusting modules of the high-voltage capacity adjusting mechanism comprises two first mounting plates and two first switching contact mechanisms, wherein a third vacuum tube is fixed on one surface of one first mounting plate, and two first switching contact mechanisms are respectively fixed on two surfaces of the other first mounting plate.
According to the invention, a single-resistance single-vacuum circuit is adopted, and each phase only adopts one vacuum tube (namely, each phase adopts 2 vacuum tubes and the whole switch adopts 6 vacuum tubes) for realizing full-vacuum arc extinction, so that the consumption of the vacuum tubes is greatly reduced, and the product economy is improved; the invention adopts a single-resistance single-vacuum switching circuit in the capacity-regulating switch for the first time, thereby greatly reducing the number of vacuum tubes required by the capacity-regulating switch.
The invention adopts a modularized design switch, and each phase is designed into a separate module. Meanwhile, the modularized manufacturing and assembling processes are adopted, so that the production and manufacturing cost of the switch is effectively reduced, and the economical efficiency is improved.
The capacity-adjusting module adopts an independent permanent magnet operating mechanism to control the capacity-adjusting switch to realize the mutual switching between high capacity and low capacity. And the first switching contact mechanism adopts novel clamping piece type design, reasonable design contact layout structure, miniaturized design and smaller contact volume with the same current carrying capacity.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a tap changer employing the capacity and voltage regulation of the present invention;
FIG. 2 is a schematic diagram of an exploded structure of a voltage regulator of a tap changer;
FIG. 3 is an exploded view of a voltage regulation module of a tap changer;
fig. 4 is a schematic structural diagram of a voltage regulating module of the capacity-regulating voltage-regulating tap changer;
fig. 5 is a schematic diagram of a front structure of a voltage regulation module of the capacitance-regulating voltage-regulating tap changer;
Fig. 6 is a schematic diagram of a top structure of a voltage regulation module of the capacitance-regulating voltage-regulating tap changer;
FIG. 7 is an exploded view of a capacity adjustment module of a low voltage capacity adjustment mechanism of a capacity adjustment voltage adjustment tap changer;
FIG. 8 is an exploded view of a capacity adjustment module of a high voltage capacity adjustment mechanism of a capacity adjustment voltage adjustment tap changer;
Fig. 9 is an end-face structure schematic diagram of a low-voltage capacity-regulating module of a capacity-regulating voltage-regulating tap changer;
FIG. 10 is a schematic side view of a low voltage capacity modulation module of a capacity and voltage modulation tap changer;
FIG. 11 is a schematic diagram of a low voltage capacity adjustment module of a capacity and voltage adjustment tap changer;
Fig. 12 is an end-face structure schematic diagram of a high-voltage capacity-regulating module of a capacity-regulating voltage-regulating tap changer;
fig. 13 is a schematic side view of a high-voltage capacity-regulating module of a capacity-regulating voltage-regulating tap changer;
fig. 14 is a schematic view of a contact arrangement of a low voltage capacity-regulating mechanism of a capacity-regulating voltage-regulating tap changer;
FIG. 15 is a diagram illustrating the operation of the circuit switching mechanism of the voltage regulating module of the capacitance and voltage regulating tap changer;
FIG. 16 is a timing diagram of a circuit switching mechanism of a voltage regulation module of a capacitance-and voltage-regulation tap changer;
FIG. 17 is a circuit diagram of a high voltage capacity regulating mechanism of a capacity regulating voltage regulating tap changer;
fig. 18 is a circuit diagram of a low voltage capacity adjusting mechanism of a capacity and voltage adjusting tap changer.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The novel on-load capacity-regulating tapping switch as shown in fig. 1 to 13 comprises a high-voltage capacity-regulating mechanism 21, a low-voltage capacity-regulating mechanism 22, a first permanent magnet mechanism 23 and a capacity-regulating rotating shaft 203, wherein the high-voltage capacity-regulating mechanism 21 and the low-voltage capacity-regulating mechanism 22 comprise three groups of capacity-regulating modules, the capacity-regulating rotating shaft 203 penetrates through the three groups of capacity-regulating modules, the first permanent magnet mechanism 23 drives two capacity-regulating rotating shafts 203 to synchronously move, each group of capacity-regulating modules comprises a plurality of first mounting plates 201, a plurality of first switching contact mechanisms and a vacuum tube, the first switching contact mechanisms and the vacuum tube are fixed on the first mounting plates 201, the capacity-regulating rotating shaft 203 drives the vacuum tube 205 to be closed or opened, and the capacity-regulating rotating shaft 203 drives the plurality of first switching contact mechanisms to synchronously move;
The first switching contact mechanism comprises a clamping type fixed contact component and a movable contact piece, the clamping type fixed contact components are fixed on one side of the first mounting plate 201 in an arc shape, and the movable contact piece is sleeved on the capacity adjusting rotating shaft 203.
The movable contact piece of the first switching contact mechanism, that is, the capacity-adjusting movable contact piece 208 includes a body portion and a protruding portion, the body portion of the movable contact piece is always contacted with one of the capacity-adjusting clip type fixed contact assemblies 206, and the protruding portion of the capacity-adjusting movable contact piece 208 moves along with the capacity-adjusting rotating shaft to be switched among the other plurality of capacity-adjusting clip type fixed contact assemblies 206.
The capacity-adjusting rotating shaft 203 is provided with three cams 202, one side of each cam 202 is also provided with a lever assembly, the lever assembly comprises a lever 204 fixed on the mounting plate through a supporting shaft and a pull rod 209 fixed at one end of the lever, the other end of the lever 204 is contacted with the cams 202, and the cams 202 drive the pull rod 209 to move to open or close the vacuum tube 205. The lever 204 is L-shaped, and the end of the lever 204 contacting the cam 22 is also provided with a roller.
Each group of capacity adjusting modules of the low-voltage capacity adjusting mechanism comprises three first mounting plates 201 and five first switching contact mechanisms, wherein one surface of one first mounting plate 201 is fixed with a vacuum tube 205, the other surface is fixed with the first switching contact mechanism, and the other four first switching contact mechanisms are respectively fixed on the four surfaces of the other two first mounting plates 201.
Each group of capacity adjusting modules of the high-voltage capacity adjusting mechanism comprises two first mounting plates 201 and two first switching contact mechanisms, wherein a third vacuum tube 2051 is fixed on one surface of one first mounting plate, and two first switching contact mechanisms are respectively fixed on two surfaces of the other first mounting plate 201.
The bistable permanent magnet mechanism is adopted for realizing vacuum operation in both high and low pressure volume adjustment, the structure is simple, and the vacuum tube is reliably opened and closed in place; the capacity regulating module is designed in such a way that the high-voltage capacity regulating mechanism and the low-voltage capacity regulating mechanism are arranged separately on the left side and the right side according to different insulation requirements of the high-voltage side and the low-voltage side. The capacity-regulating device is also provided with a first switching contact mechanism, the high-voltage capacity-regulating mechanism is provided with 2 first switching contact mechanisms, and the low-voltage capacity-regulating mechanism is provided with 5 first switching contact mechanisms.
When the low-voltage capacity-regulating mechanism is in high-capacity operation, the first vacuum tube is out of operation, and the parallel non-excitation switch bears the current-carrying task; in the low-voltage capacity-regulating process, the first vacuum tube only plays a role in instantaneously converting current; when the low-voltage capacity-regulating mechanism is in low-capacity operation, the first vacuum tube and the parallel bypass transfer switch share the current-carrying task. Therefore, the low-voltage capacity-regulating current-carrying capacity is high. The problems of low-voltage current contact temperature rise and short circuit resistance are solved.
Description of the Capacity adjustment operation according to the invention
When the controller sends out a capacity adjusting instruction, the first permanent magnet mechanism of the capacity adjusting device starts to act, the connecting plate 232 on the first permanent magnet mechanism drives the capacity adjusting racks 231 to move, the capacity adjusting racks 231 respectively drive the gears on the two capacity adjusting rotating shafts to rotate, and the capacity adjusting rotating shafts are respectively provided with cams to rotate, so that the high-low-voltage first vacuum tube is synchronously opened and closed. Meanwhile, a first switching contact mechanism arranged on the capacity-adjusting rotating shaft finishes equipotential no-load conversion according to a preset contact conversion program until the conversion of the high-low voltage side size and capacity is finally finished.
Description of operation of capacity-adjusting device
As shown in fig. 14 to 18, the first permanent magnetic mechanism component drives the capacity-adjusting shafts of the high-voltage capacity-adjusting mechanism and the low-voltage capacity-adjusting mechanism to act, and the capacity-adjusting shafts of the high-voltage capacity-adjusting mechanism and the low-voltage capacity-adjusting mechanism synchronously act according to the capacity-adjusting action conversion program diagram, and the steps are as follows: (high capacity-low capacity)
The two first switching contact mechanisms of the high-voltage capacity-regulating mechanism are respectively a TRG1 contact and a TRG2 contact, and the five first switching contact mechanisms of the low-voltage capacity-regulating mechanism are respectively a TRD1 contact, a TRD2 contact, a TRD3 contact, a TRD4 contact and a TRD5 contact.
1. The cam of the low-voltage capacity-regulating mechanism controls the first vacuum tube of the low-voltage capacity-regulating mechanism to be switched from an open state to a closed state, so that preparation is made for the action of the TRD3 contact.
2. After the first vacuum tube of the low-voltage capacity-regulating mechanism is closed and conducted, the TRD3 contact is switched from the closed state to the open state, and the open state is maintained all the time.
3. After the TRD3 contact is completely opened, the cam of the low-voltage capacity-regulating mechanism controls the first vacuum tube of the low-voltage capacity-regulating mechanism to be changed from a closed state to an open state.
4. After the first vacuum tube of the low-voltage capacity-regulating mechanism is completely disconnected, the TRD5 contact is switched from a closed state to an open state.
5. After the TRD5 contact is completely opened, the TRD4 contact is switched from a right closed state to a right opened state, and after the TRD5 contact is completely opened, the TRD4 contact is switched to a left closed state.
6. After the TRD4 contact is switched, the cams of the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism control the first vacuum tubes of the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism to synchronously change from an open state to a closed state. The high-voltage capacity-regulating transition resistor and the low-voltage capacity-regulating transition resistor are connected into the circuit at the same time.
7. After the first vacuum tubes of the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism are closed and conducted, the TRG1 contact and the TRD1 contact are switched from an upper closed state to a lower closed state in a bridging mode.
8. After the TRG1 contact and the TRD1 contact are switched, the cam control high-voltage capacity-regulating mechanism of the high-voltage capacity-regulating mechanism and the cam control high-voltage capacity-regulating mechanism of the low-voltage capacity-regulating mechanism are synchronously switched from a closed state to an open state.
9. After the first vacuum tubes of the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism are opened, the TRG2 contact and the TRD2 contact are switched from an upper closing state to a lower closing state.
10. After the TRG2 contact and the TRD2 contact are switched, the cam control high-voltage capacity-regulating mechanism of the high-voltage capacity-regulating mechanism and the cam control high-voltage capacity-regulating mechanism of the low-voltage capacity-regulating mechanism are synchronously switched from an open state to a closed state.
11. After the first vacuum tubes of the high-voltage capacity-regulating mechanism and the low-voltage capacity-regulating mechanism are closed and conducted, the high-voltage capacity-regulating transition resistor and the low-voltage capacity-regulating transition resistor are separated from the circuit at the same time. The TRD5 contacts are switched from an open state to a closed state.
12. So far, the capacity regulating module completes one-time action, and the switch is switched from a high capacity state to a low capacity state. (switching from the low-volume state to the high-volume state can be achieved only by reverse operation.)
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (5)
1. An on-load capacity-regulating tapping switch, which is characterized in that: the capacity-adjusting mechanism comprises three groups of capacity-adjusting modules, the capacity-adjusting rotating shafts penetrate through the three groups of capacity-adjusting modules, the first permanent magnet mechanism drives the two capacity-adjusting rotating shafts to synchronously move, each group of capacity-adjusting modules comprises a plurality of first mounting plates, a plurality of first switching contact mechanisms and a vacuum tube, the first switching contact mechanisms and the vacuum tube are fixed on the first mounting plates, the capacity-adjusting rotating shafts drive the vacuum tubes to be closed or opened, and meanwhile, the capacity-adjusting rotating shafts drive the first switching contact mechanisms to synchronously move;
The first switching contact mechanism comprises clamping type fixed contact assemblies and movable contact pieces, the clamping type fixed contact assemblies are fixed on one side of the first mounting plate in an arc shape, the movable contact pieces are sleeved on the capacity-adjusting rotating shaft, the movable contact pieces comprise body parts and protruding parts, the body parts of the movable contact pieces are always contacted with one of the clamping type fixed contact assemblies, and the protruding parts of the movable contact pieces move along with the capacity-adjusting rotating shaft to be switched among the other clamping type fixed contact assemblies;
Each group of capacity adjusting modules of the high-voltage capacity adjusting mechanism comprises two first mounting plates and two first switching contact mechanisms, wherein a third vacuum tube is fixed on one surface of one first mounting plate, and two first switching contact mechanisms are respectively fixed on two surfaces of the other first mounting plate.
2. The on-load capacitance-regulating tap changer of claim 1, wherein: the volume-adjusting rotating shaft is provided with three cams, one side of each cam is also provided with a lever assembly, the lever assembly comprises a lever fixed on the mounting plate through a supporting shaft and a pull rod fixed at one end of the lever, the other end of the lever is in contact with the cams, and the cams drive the pull rod to move to open or close the first vacuum tube.
3. An on-load capacitance-regulating tap changer as claimed in claim 2, wherein: the lever is L-shaped, and one end of the lever, which is contacted with the cam, is also provided with a roller.
4. An on-load capacitance-regulating tap changer as claimed in claim 2, wherein: the first mounting plate is further provided with a pressure regulating right-angle support plate, and the pull rod penetrates through the pressure regulating right-angle support plate.
5. The on-load capacitance-regulating tap changer of claim 1, wherein: each group of capacity adjusting modules of the low-voltage capacity adjusting mechanism comprises three first mounting plates and five first switching contact mechanisms, wherein one surface of one first mounting plate is fixed with a first vacuum tube, the other surface is fixed with a first switching contact mechanism, and the other four first switching contact mechanisms are respectively fixed on the four surfaces of the other two first mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520564.2A CN110085459B (en) | 2018-12-12 | 2018-12-12 | On-load capacity-regulating tapping switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520564.2A CN110085459B (en) | 2018-12-12 | 2018-12-12 | On-load capacity-regulating tapping switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110085459A CN110085459A (en) | 2019-08-02 |
| CN110085459B true CN110085459B (en) | 2024-08-06 |
Family
ID=67412951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520564.2A Active CN110085459B (en) | 2018-12-12 | 2018-12-12 | On-load capacity-regulating tapping switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110085459B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504115B (en) * | 2019-08-28 | 2024-06-28 | 浙江腾龙电器有限公司 | Double-vacuum single-resistor on-load capacity-regulating tap switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321744A (en) * | 2015-10-26 | 2016-02-10 | 浙江宝威电气有限公司 | On-load capacity-regulating switch for transformer |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
| CN209418347U (en) * | 2018-12-12 | 2019-09-20 | 浙江腾龙电器有限公司 | A kind of novel loaded capacity-regulated tap switch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254713B (en) * | 2011-08-08 | 2013-08-21 | 辽宁金立电力电器有限公司 | On-load capacity-regulating switch with single fracture |
| JP6282547B2 (en) * | 2014-07-15 | 2018-02-21 | 株式会社東芝 | Load tap changer |
| JP2016033959A (en) * | 2014-07-31 | 2016-03-10 | 株式会社東芝 | On-load tap switcher, and changeover switch for on-load tap switcher |
| CN206460884U (en) * | 2016-12-19 | 2017-09-01 | 山东泰开电力设备有限公司 | Load ratio bridging switch based on vacuum tube |
-
2018
- 2018-12-12 CN CN201811520564.2A patent/CN110085459B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321744A (en) * | 2015-10-26 | 2016-02-10 | 浙江宝威电气有限公司 | On-load capacity-regulating switch for transformer |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
| CN209418347U (en) * | 2018-12-12 | 2019-09-20 | 浙江腾龙电器有限公司 | A kind of novel loaded capacity-regulated tap switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110085459A (en) | 2019-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109411255B (en) | Single-resistor single-vacuum on-load capacity-regulating voltage-regulating tap switch | |
| CN101651029B (en) | Vacuum vessel switching core used by on-load tap-changer | |
| CN110060891B (en) | A miniaturized on-load voltage regulating switch | |
| CN109411254B (en) | Novel on-load voltage-regulating tapping switch | |
| CN104616918A (en) | Automatic PC-level dual-power changeover switch | |
| CN105321744A (en) | On-load capacity-regulating switch for transformer | |
| CN110085459B (en) | On-load capacity-regulating tapping switch | |
| CN111463038B (en) | On-load voltage regulating switch for distribution transformer and on-load voltage regulating distribution transformer | |
| CN209418349U (en) | A kind of list resistance list vacuum loaded capacity regulating voltage regulating tap switch | |
| CN208970424U (en) | A kind of dedicated on-load voltage regulating switch of distribution transformer and load tap changing distribution transformer | |
| CN110223866A (en) | A kind of miniaturization on-load voltage regulating switch and load voltage-regulating method | |
| CN104205273A (en) | On-load tap changer having at least two vacuum interrupters, and drive for a load changeover switch having at least two vacuum interrupters | |
| CN107968002A (en) | A kind of permanent magnet vacuum on-load tap changer | |
| CN208111306U (en) | A kind of novel voltage-regulating structure of load ratio bridging switch | |
| CN104113317A (en) | Bypass auxiliary on-load tap-changer and method thereof | |
| CN209418347U (en) | A kind of novel loaded capacity-regulated tap switch | |
| CN113345732B (en) | A miniaturized on-load voltage-regulating and capacity-regulating switch and on-load voltage-regulating and capacity-regulating transformer | |
| CN110098081B (en) | On-load voltage regulating switch | |
| CN215896191U (en) | A miniaturized on-load voltage regulating switch and on-load voltage regulating distribution transformer | |
| CN209418348U (en) | A kind of novel on-load tap changer | |
| CN107293423B (en) | Linear vacuum on-load double-gear change-over switch | |
| CN208240516U (en) | A kind of permanent magnet vacuum on-load tap changer | |
| CN209981027U (en) | Novel voltage regulating module | |
| CN212322900U (en) | Lever type synchronous linkage quick switch | |
| CN205140791U (en) | Transformer has to carry transfers appearance switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |