CN207676783U - A kind of on-load voltage regulating switch using commutator - Google Patents
A kind of on-load voltage regulating switch using commutator Download PDFInfo
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- CN207676783U CN207676783U CN201721680735.9U CN201721680735U CN207676783U CN 207676783 U CN207676783 U CN 207676783U CN 201721680735 U CN201721680735 U CN 201721680735U CN 207676783 U CN207676783 U CN 207676783U
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Abstract
The utility model discloses a kind of on-load voltage regulating switch using commutator, so that transformer carries out voltage adjustment without interruption in bringing onto load, commutator mode is selected to carry out the selection of pressure regulation gear, it is simple in structure, reliability is high, it is small, it is at low cost, it solves traditional each tap-changing windings tap and is both needed to the complicated of corresponding one group of pressure regulation sets of contacts realization pressure regulation, bulky problem, its pressure regulation process is switched over using vacuum interrupter simultaneously, avoid the influence to transformer insulation oil in handoff procedure, it eliminates due to oil strain is safeguarded to the increased cost of labor of user and maintenance cost, it is suitable for the distribution transformer of substantial amounts using the on-load voltage regulating switch of commutator.
Description
Technical field
The present invention relates to a kind of on-load voltage regulating switch using commutator.
Background technology
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 leading indicator for weighing 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 distribution transformer has load to adjust without on-load voltage regulation due to transformer
It compressing switch and continues to use the on-load voltage regulating switch of main transformer of transformer substation always, each tap changer needs corresponding one group of dynamic and static contact,
So that the distribution transformer of on-load voltage regulating switch is complicated, volume is big, the cost is relatively high the not applicable substantial amounts of production.
Beijing Pingkai Zhineng Electric Co., Ltd. has applied for following patent of invention at home：Application number：
201610121960.2 entitled：" a kind of permanent magnet vacuum on-load voltage regulating switch, transformer and load voltage-regulating method " it is special
Profit, the core of protection are to use permanent magnet mechanism and vacuum interrupter, so that its simple in structure, reduction is safeguarded, are explained in specification
State which employs the on-load voltage regulation principles that tap-changing windings are configured in proportion, and illustrate its advantage --- it is needed relative to gear number
Number of taps can be saved by asking more.But it is for the pressure regulation gear between less such as 3 to 7 grades of gear number（It uses in the market
It is more be 5 grades）, the work when tap changer of such voltage-regulation principle can increase and can also increase transformer winding coiling
Amount and insulation costs.When carrying out pressure regulation transition using the on-load voltage regulating switch in its specification, it is larger that there is also voltage fluctuations
The problem of.Because it is the main winding of transformer that its transition is loop-coupled, when to be located at transformer regulating winding minimum for pressure regulation position
When tap position, that is, tap-changing windings are all connected in circuit, when needing pressure regulation transition at this time, due to the link position in transition circuit
It is equal to the position that maximum tap position i.e. tap-changing windings are not connected in circuit, will appear voltage when transition at this time by a relatively large margin
Raising and lowering, the fluctuation of voltage can be caused big, influence quality of voltage.
The on-load voltage regulating switch and voltage regulating mode of foregoing invention patent, which cannot meet different stalls number demand, can make its knot
The problem that structure simplifies can increase transformer coil especially for 5 grades of more pressure regulation of demand currently on the market using its method
Coiling cost and workload；When carrying out pressure regulation transition using its voltage-regulation principle simultaneously, it will appear voltage in corresponding gear transition
Fluctuation by a relatively large margin, voltage are unstable, in some instances it may even be possible to influence quality of voltage.
Invention content
The present invention provides a kind of on-load voltage regulating switch using commutator so that transformer in the case that bringing onto load continuously
Voltage adjustment is carried out disconnectedly, commutator mode is selected to carry out the selection of pressure regulation gear, and structure is simpler, reliability is high, volume
It is small, at low cost, while selecting principal tapping gear in its pressure regulation transition or output is made to be the tap changer position of main tapping voltage
Carry out transition so that the fluctuation of voltage is smaller, is suitable for the distribution transformer of substantial amounts.
In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is：
A kind of on-load voltage regulating switch using commutator, which is characterized in that for transformer is in bringing onto load nothing
Discontinuously carry out voltage adjustment, including major loop and transition circuit；
The major loop includes mainly vacuum interrupter, several commutators, the quantity of the commutator and combination
Mode is determined according to on-load voltage regulation gear number and pressure-control circuit；
The vacuum interrupter in the major loop is connect with the moved end of commutator described in one of them, several institutes
It states commutator and connection is combined according to different voltage regulating modes, the corresponding non-moving end of several described commutators and transformation
The tap changer of device tap-changing windings is correspondingly connected with；
The transition circuit includes mainly vacuum interrupter, transition resistance or reactance, and the transition circuit is high with transformer
It presses the principal tapping of lateral coil winding or the tapping that output is main tapping voltage is made to connect；
The vacuum interrupter in the transition circuit is connect with the transition resistance or reactance, the transition resistance or
Reactance is connect with the principal tapping gear of the transformer regulating winding；
When normal operation, the major loop is conducting state, and the vacuum interrupter in the major loop is to turn on shape
State, the transition circuit is off-state, and the vacuum interrupter in the transition circuit is off-state；
When carrying out voltage adjustment, the vacuum interrupter in the transition circuit is first closed, and the transition circuit is led
It is logical；Vacuum interrupter in the major loop disconnects again, and the corresponding commutator connects it accordingly in no current
Non-moving end, connect with corresponding pressure regulation gear；Gear selection is completed, and the vacuum interrupter in the major loop is first connected,
The vacuum interrupter in the transition circuit disconnects again, and pressure regulation is completed.
A preferred embodiment of the invention, the transformer regulating are described around component coarse adjustment section and fine tuning section
The main winding of coarse adjustment section and transformer connects, and coil turn is equal with the coil turn of fine tuning section, the fine tuning section root
Pressure regulation gear number is provided with several tap changers, coil turn is equal between the adjacent tap changer；One in the major loop
Two non-moving ends of a commutator are connect with two end tap changers of the coarse adjustment section of the tap-changing windings respectively,
Moved end is connect with the fine tuning section of the tap-changing windings, other described commutator quantity and combination connecting mode are according to pressure regulation gear
The combination of the several and described transformer regulating winding is determined, and corresponding non-moving end is thin with the transformer regulating winding
Adjust the tap changer connection of section.
A preferred embodiment of the invention, if the transformer regulating winding is provided with according to pressure regulation gear number
Dry tap changer, coil turn is equal between the adjacent tap changer；Two of a commutator in the major loop
A non-moving end is connect with two tap changers of the transformer regulating winding overhang respectively so that the transformer regulating winding
It is just connecing or reversal connection is in the main winding of transformer, moved end is connect with the positions transformer main winding voltage 10kV tap；Described in other
The quantity and combination connecting mode of commutator are according to pressure regulation gear number and the connection type of the aforementioned transformer regulating winding
It is determined, corresponding non-moving end is connected to the corresponding tap changer of the transformer regulating winding.
A preferred embodiment of the invention, the transformer regulating winding are divided into several in different ratios
Section, there are two independent tap changer, every section of tap-changing windings correspond to a commutator for every section of tap-changing windings end,
Two non-moving ends of the commutator are connected with the tap changer of corresponding tap-changing windings, the moved end connection of the commutator
One tap of corresponding other section of tap-changing windings or the vacuum interrupter in the major loop.
A preferred embodiment of the invention, the transformer regulating winding carry out pressure regulation according to pressure regulation gear number
The setting of tap, coil turn is equal between the adjacent tap changer；The quantity of the commutator and connection are according to pressure regulation shelves
Digit is determining and combines connection, the tap changer connection corresponding to tap-changing windings of corresponding non-moving end.
It compared with the existing technology, not only can letter the beneficial effects of the invention are as follows voltage adjustment is carried out using commutator
Change pressure regulation process, and its structure is simpler, volume smaller, the structure of on-load voltage regulating switch can also be greatly simplified, improves fortune
Row reliability reduces production cost, while it is switched over during pressure regulation using vacuum interrupter, is avoided because contact is cut
Changing arcing influences the performance of transformer insulation oil, reduces because of oil strain, the maintenance cost brought to user of changing oil, is opened using double-throw
The on-load voltage regulating switch of pass can be promoted the use of in distribution transformer.
Description of the drawings
Fig. 1 is that the present invention uses a kind of pressure regulation gear of commutator on-load voltage regulating switch to have load to adjust for 5 grades of thickness tune
Press the schematic diagram of principle；
Fig. 2 is that the present invention uses a kind of pressure regulation gear of commutator on-load voltage regulating switch for 5 grades of positive anti-tune on-load voltage regulation
The schematic diagram of principle；
Fig. 3 is that the present invention uses a kind of pressure regulation gear of commutator on-load voltage regulating switch for 5 grades of linear tune on-load voltage regulation
The schematic diagram of principle；
Fig. 4 is that the present invention uses a kind of pressure regulation gear of commutator on-load voltage regulating switch for 8 grades of ratio tune on-load voltage regulation
The schematic diagram of principle.
Specific implementation mode
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 scheme 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 on-load voltage regulation principle of the 5 grades of thickness tune formed using commutator of the present invention referring to Fig. 1, in Fig. 1
A, B, C indicate commutator, and 1 and 2 be the non-moving end of commutator, and L1, L2, L3 are transformer regulating windings, L3 be pressure regulation around
The coarse adjustment section of group, L1, L2 are the fine tuning section of tap-changing windings, coil turn and fine tuning section L1 and L2 the coil total number of turns of coarse adjustment section L3
Equal, the coil turn of L1 and L2 are equal, and n1, n2, n3, n4, n5 are the tap changers of tap-changing windings, and D1, D2 are two vacuum
Arc-chutes, R are transition resistance or reactance.
In Fig. 1, major loop includes tap-changing windings L1, L2, L3, commutator A, B, C, vacuum interrupter D1, commutator A
Non-moving end 1,2 connect respectively with two ends tap changer n4, n5 of the coarse adjustment section L3 of tap-changing windings, the moved end of A and pressure regulation
The tap n3 connections of winding fine tuning section, the non-moving end 1,2 of commutator B and the non-moving end 2 of commutator C respectively with tap-changing windings
Three tap changers n3, n2, n1 of fine tuning section are separately connected, and the moved end of commutator B is connect with the non-moving end 1 of commutator C,
The moved end of commutator C is connect with vacuum interrupter D1.Transition circuit includes transition resistance or reactance R and vacuum interrupter D2,
Transition resistance or reactance R are connected with vacuum interrupter D2, are connect with tap-changing windings coarse adjustment section tap n4, tap changer n4 is transformation
Device tap-changing windings principal tapping position, that is, 10kV voltage locations.
It is using the voltage-regulation principle of 5 grades of thickness tune of commutator composition shown in Fig. 1, five gears are double in major loop
The combined running state of throw switch is as follows：
1 grade：A2+C2（Winding L3, L2, L1 are connected in major loop）
2 grades：A2+B2+C1（Winding L3, L2 are connected in major loop）
3 grades：A2+B1+C1（Winding L3 is connected in major loop）
4 grades：A1+B2+C1（Winding L2 is connected in major loop）
5 grades：A1+B1+C1（Winding L3, L2, L1 are not connected in major loop）
Note：A1 indicates that commutator A connects its non-moving end 1, and A2 indicates to connect non-moving end 2, and commutator B, C are similarly.
Voltage-regulation principle：When normal operation, vacuum interrupter D1 is to turn on state, and D2 is off-state, and commutator passes through
The connection conducting of one tap changer of combination of the above state and tap-changing windings；When needing pressure regulation, vacuum interrupter D2 is first closed,
Transition circuit is connected, and vacuum interrupter D1 is disconnected, and commutator A, B, C select corresponding non-moving end to be attached and be adjusted to need
Pressure regulation gear, vacuum interrupter D1 connects, and vacuum interrupter D2 is disconnected, and pressure regulation is completed.
It is a kind of on-load voltage regulation principle just demodulated using 5 grades that commutator forms of the present invention referring to Fig. 2, in Fig. 2
A, B, C indicate commutator, and 1 and 2 be the non-moving end of commutator, and L1, L2 are tap-changing windings, the coil turn phase of L1 and L2
Deng n1, n2, n3 are the tap changers of tap-changing windings, and X1 is transformer main winding 10kV voltage taps position, and D1, D2 are two
Vacuum interrupter, R are transition resistance or reactance, and the positions tap-changing windings n3 and main winding location A are Same Name of Ends.
In Fig. 2, major loop include tap-changing windings L2, L1, commutator A, B, C, vacuum interrupter D1, commutator A's
Non-moving end 1,2 is connect with two tap changers n1, n3 of tap-changing windings end respectively, moved end and transformer main winding tap X1
Connection, commutator A control selections tap-changing windings L2, L1 are just connecing or reversal connection is in transformer main winding；The non-moving end of commutator B
1, the non-moving end 2 of 2 and commutator C is separately connected with three tap changers n3, n2, n1 of tap-changing windings respectively, commutator B
Moved end connect with the non-moving end 1 of commutator C, the moved end of commutator C is connect with vacuum interrupter D1.Transition circuit includes
Transition resistance or reactance R and vacuum interrupter D2, transition resistance or reactance R are connected with vacuum interrupter D2, transition circuit in Fig. 2
It is the positions transformer winding voltage 10kV to connect transformer main winding tap X1, main winding tap X1.
It is using the voltage-regulation principle of 5 grades of positive-negative voltage-regulations of commutator composition shown in Fig. 2, five gears are in major loop
The assembled state of commutator is as follows：
1 grade：A1+C2（Winding L2, L1 are just being connected in major loop）
2 grades：A1+B2+C1（Winding L2 is just connected in major loop）
3 grades：A1+B1+C1（Winding L2, L1 are not connected in major loop）
4 grades：A2+B2+C1（Winding L1 reversal connections are in major loop）
5 grades：A2+B1+C1（The equal reversal connection of winding L1, L2 is in major loop）
Note：A1 indicates that commutator A connects its non-moving end 1, and A2 indicates to connect non-moving end 2, and commutator B, C are similarly.
Voltage-regulation principle：When normal operation, vacuum interrupter D1 is to turn on state, and D2 is off-state, and commutator passes through
The connection conducting of one tap changer of combination of the above state and tap-changing windings；When needing pressure regulation, vacuum interrupter D2 is first closed,
Transition circuit is connected, and vacuum interrupter D1 is disconnected, and commutator A, B, C select corresponding non-moving end to be attached and be adjusted to need
Pressure regulation gear, vacuum interrupter D1 connects, and vacuum interrupter D2 is disconnected, and pressure regulation is completed.
It is a kind of on-load voltage regulation principle linearly adjusted using 5 grades that commutator forms of the present invention referring to Fig. 3, in Fig. 1
A, A ', B, C indicate that commutator, wherein commutator A and A ' they are linkages, and 1 and 2 be the non-moving end of commutator, L1, L2,
L3, L4 are tap-changing windings, and every group of tap-changing windings coil turn is equal, and n1, n2, n3, n4, n5 are that the pressure regulation of tap-changing windings is taken out
Head, D1, D2 are two vacuum interrupters, and R is transition resistance or reactance.
In Fig. 3, major loop includes tap-changing windings L1, L2, L3, L4, commutator A, A ', B, C, vacuum interrupter D1 is double
Throw switch A, A ' four non-moving ends 1,2 connect respectively with tap-changing windings tap n5, n4, n3, n2, two moved end is opened with double-throw
Two non-moving ends 1,2 for closing B are separately connected, and the moved end of commutator B is connect with the non-moving end 1 of commutator C, commutator C
Non-moving end 2 connect with the tap n1 of tap-changing windings, the moved end of commutator C is connect with vacuum interrupter D1.It wraps in transition circuit
Containing transition resistance or reactance R and vacuum interrupter D2, transition resistance or reactance R are connected with vacuum interrupter D2, and circuit connection is adjusted
Tapping n3 is pressed, tap changer n3 is the principal tapping position of transformer regulating winding.
It is the double-throw in five gear major loops using the voltage-regulation principle of 5 grades of thickness tune of commutator composition shown in Fig. 3
The assembled state of switch is as follows：
1 grade：C2（Winding L1, L2, L3, L4 are connected in major loop）
2 grades：A1A’2+B2+C1（Winding L2, L3, L4 are connected in major loop）
3 grades：A2A’1+B2+C1（Winding L3, L4 are connected in major loop）
4 grades：A2 A’1+B1+C1（Winding L4 is connected in major loop）
5 grades：A1 A’2+B1+C1（Winding L1, L2, L3, L4 are not connected in major loop）
Note：A1 indicates that commutator A connects its non-moving end 1, and A2 indicates to connect non-moving end 2, and commutator B, C are similarly.
Voltage-regulation principle：When normal operation, vacuum interrupter D1 is to turn on state, and D2 is off-state, and commutator passes through
The connection conducting of one tap changer of combination of the above state and tap-changing windings；When needing pressure regulation, vacuum interrupter D2 is first closed,
Transition circuit is connected, and vacuum interrupter D1 is disconnected, and commutator A, B, C select corresponding non-moving end to be attached and be adjusted to needs
Pressure regulation gear, vacuum interrupter D1 are connected, and vacuum interrupter D2 is disconnected, and pressure regulation is completed.
It is a kind of on-load voltage regulation principle of the 8 grades of ratio tune formed using commutator of the present invention referring to Fig. 4, in Fig. 4
A, B, C indicate commutator, and 1 and 2 be the non-moving end of commutator, and L1, L2, L3 are tap-changing windings, tap-changing windings L3 in upper figure,
The coil ratio of L2, L1 are 4:2:1, every group of tap-changing windings, which are independent i.e. every group of tap-changing windings, independent two pumpings
Head, n1, n2, n3, n4, n5, n6 are the taps of tap-changing windings, and D1, D2 are two vacuum interrupters, and R is transition resistance or reactance.
In Fig. 4, major loop includes commutator A, B, C, the non-moving end 1,2 of vacuum interrupter D1, commutator A respectively with
Tap-changing windings tap n6, n5 connects, and the moved end of A connect with tap-changing windings tap n4, the non-moving end 1,2 of commutator B respectively with
Tap-changing windings tap n4, n3 connects, and the non-moving end of B is connect with tap-changing windings tap n2, and the non-moving end 1,2 of commutator C is distinguished
It is connect with tap-changing windings tap n2, n1, the moved end of C is connect with vacuum interrupter D1.Transition circuit includes transition resistance or reactance R
With vacuum interrupter D2, transition resistance or reactance R are connected with vacuum interrupter D2, and circuit connects tap-changing windings tap n5, pressure regulation
Tap n5 is the positions transformer winding voltage 10kV.
It is the double-throw in eight gear major loops using the voltage-regulation principle of 8 grades of ratio tune of commutator composition shown in Fig. 4
The assembled state of switch is as follows：
1 grade：A2+B2+C2（Winding L1, L2, L3 are connected in major loop）
2 grades：A2+B2+C1（Winding L2, L3 are connected in major loop）
3 grades：A2+B1+C2（Winding L1, L3 are connected in major loop）
4 grades：A2+B1+C1（Winding L1 is connected in major loop）
5 grades：A1+B2+C2（Winding L1, L2 are connected in major loop）
6 grades：A1+B2+C1（Winding L2 is connected in major loop）
7 grades：A1+B1+C2（Winding L1 is connected in major loop）
8 grades：A1+B1+C1（Winding L1, L2, L3 are not connected in major loop）
If the method for ratio tune is used for 5 grades of pressure regulation, the coil ratio of tap-changing windings L3, L2, L1 may be configured as 2:1:1,7
The coil ratio of L3, L2, L1 may be configured as 3 when shelves:2:1, figure 8 above shelves also can be directly used for 5 grades of pressure regulation, but can cause
Remaining 3 grades of waste.
Note：A1 indicates that commutator A connects its non-moving end 1, and A2 indicates to connect non-moving end 2, and commutator B, C are similarly.
Voltage-regulation principle：When normal operation, vacuum interrupter D1 is to turn on state, and D2 is off-state, and commutator passes through
The connection conducting of one tap changer of combination of the above state and tap-changing windings；When needing pressure regulation, vacuum interrupter D2 is first closed,
Transition circuit is connected, and vacuum interrupter D1 is disconnected, and commutator A, B, C select corresponding non-moving end to be attached and be adjusted to needs
Pressure regulation gear, vacuum interrupter D1 are connected, and vacuum interrupter D2 is disconnected, and pressure regulation is completed.
On-load voltage regulating switch principle shown in Fig. 1 to Fig. 4 is a kind of gear number of each currently preferred tap changer
Voltage-regulation principle signal, by increasing or decreasing the coil turn of tap-changing windings, the quantity and group of tap changer and commutator
Conjunction mode can realize the pressure regulation of arbitrary gear number, and it is 3 grades that on-load voltage regulating switch illustrated above, which is recommended in pressure regulation gear number,
In on-load voltage regulation between to 15 grades, can be selected from above-mentioned voltage-regulation principle according to actual-gear demand tap changer it is minimum,
The most simplified optimal on-load voltage regulating switch of commutator minimum number, structure is implemented.Voltage-regulation principle shown in Fig. 1 to Fig. 4
In, transition circuit connect the i.e. positions 10kV connection with the principal tapping gear of transformer winding, and preferred embodiment can also root
According to the size that transition resistance or reactance resistance value are chosen, it is alternatively coupled to that its output is made to be the tap changer position of main tapping voltage.
Both the above transition connection type is the optimal selection in on-load voltage regulation principle described above, is connected to other tap changers
Can be with, but its voltage fluctuation generated in corresponding gear can be larger, may influence quality of voltage.
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 (5)
1. a kind of on-load voltage regulating switch using commutator, which is characterized in that for transformer in the case that bringing onto load continuously
Voltage adjustment, including major loop and transition circuit are carried out disconnectedly；
The major loop includes mainly vacuum interrupter, several commutators, the quantity and combination of the commutator
It is determined according to on-load voltage regulation gear number and pressure-control circuit；
The vacuum interrupter in the major loop is connect with the moved end of commutator described in one of them, several are described double
Throw switch is combined connection according to different voltage regulating modes, several described corresponding non-moving ends of commutator and transformer tune
The tap changer of pressure winding is correspondingly connected with；
The transition circuit includes mainly vacuum interrupter, transition resistance or reactance, the transition circuit and high voltage side of transformer
The principal tapping of coil windings makes the tapping that output is main tapping voltage connect；
The vacuum interrupter in the transition circuit is connect with the transition resistance or reactance, the transition resistance or reactance
It is connect with the principal tapping gear of the transformer regulating winding；
When normal operation, the major loop is conducting state, and the vacuum interrupter in the major loop is to turn on state, institute
It is off-state to state transition circuit, and the vacuum interrupter in the transition circuit is off-state；
When carrying out voltage adjustment, the vacuum interrupter in the transition circuit is first closed, the transition circuit conducting；Institute
The vacuum interrupter stated in major loop disconnects again, and it is corresponding motionless that the corresponding commutator in no current connects it
End, connect with corresponding pressure regulation gear；Gear selection is completed, and the vacuum interrupter in the major loop is first connected, the mistake
The vacuum interrupter crossed in circuit disconnects again, and pressure regulation is completed.
2. a kind of on-load voltage regulating switch using commutator according to claim 1, which is characterized in that the transformer
Tap-changing windings divide coarse adjustment section and fine tuning section, the main winding connection of the coarse adjustment section and transformer, coil turn and the fine tuning
The coil turn of section is equal, and the fine tuning section is provided with several tap changers, the adjacent tap changer according to pressure regulation gear number
Between coil turn it is equal；Two non-moving ends of a commutator are thick with the tap-changing windings respectively in the major loop
Two end tap changer connections of section, moved end are adjusted to be connect with the fine tuning section of the tap-changing windings, other described commutators
Quantity and combination connecting mode are determined according to the combination of pressure regulation gear number and the transformer regulating winding, accordingly
Non-moving end is connect with the tap changer of the fine tuning section of the transformer regulating winding.
3. a kind of on-load voltage regulating switch using commutator according to claim 1, which is characterized in that the transformer
Tap-changing windings are provided with several tap changers according to pressure regulation gear number, and coil turn is equal between the adjacent tap changer；It is described
Two non-moving ends of a commutator in major loop respectively with two pressure regulation of the transformer regulating winding overhang
Tap connects so that the transformer regulating winding is just connecing or reversal connection is in the main winding of transformer, moved end and transformer master around
The tap connection of the positions group voltage 10kV；The quantity of other commutators and combination connecting mode are according to pressure regulation gear number and preceding
The connection type for stating the transformer regulating winding is determined, and corresponding non-moving end is corresponding to the transformer regulating winding
Tap changer connects.
4. a kind of on-load voltage regulating switch using commutator according to claim 1, which is characterized in that the transformer
Tap-changing windings are divided into several sections in different ratios, and there are two independent tap changer, every section of tune for every section of tap-changing windings end
Winding is pressed to correspond to a commutator, two non-moving ends of the commutator are taken out with the pressure regulation of corresponding tap-changing windings
Head connection, a tap of corresponding other section of tap-changing windings of moved end connection of the commutator or the institute in the major loop
State vacuum interrupter.
5. a kind of on-load voltage regulating switch using commutator according to claim 1, which is characterized in that the transformer
Tap-changing windings carry out the setting of tap changer according to pressure regulation gear number, and coil turn is equal between the adjacent tap changer；It is described
The quantity of commutator and connection according to the determination of pressure regulation gear number and combine connection, and corresponding non-moving end is corresponding to tap-changing windings
Tap changer connects.
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| CN201721680735.9U CN207676783U (en) | 2017-12-06 | 2017-12-06 | A kind of on-load voltage regulating switch using commutator |
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| CN201721680735.9U CN207676783U (en) | 2017-12-06 | 2017-12-06 | A kind of on-load voltage regulating switch using commutator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887732A (en) * | 2017-12-06 | 2019-06-14 | 济南爱迪电气设备有限公司 | A kind of load voltage-regulating method using commutator |
| CN110198149A (en) * | 2019-07-15 | 2019-09-03 | 浙江宝威电气有限公司 | A kind of staggered-parallel-type multi gear transformer on-load voltage regulating circuit |
| CN113744981A (en) * | 2021-08-05 | 2021-12-03 | 广东云舜综合能源科技有限公司 | Trip gear voltage regulating transformer |
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2017
- 2017-12-06 CN CN201721680735.9U patent/CN207676783U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887732A (en) * | 2017-12-06 | 2019-06-14 | 济南爱迪电气设备有限公司 | A kind of load voltage-regulating method using commutator |
| CN109887732B (en) * | 2017-12-06 | 2024-06-11 | 济南爱迪电气设备有限公司 | On-load voltage regulating method adopting double-throw switch |
| CN110198149A (en) * | 2019-07-15 | 2019-09-03 | 浙江宝威电气有限公司 | A kind of staggered-parallel-type multi gear transformer on-load voltage regulating circuit |
| CN113744981A (en) * | 2021-08-05 | 2021-12-03 | 广东云舜综合能源科技有限公司 | Trip gear voltage regulating transformer |
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