CN201222418Y - Sectional type adjustable reactor - Google Patents
Sectional type adjustable reactor Download PDFInfo
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- CN201222418Y CN201222418Y CNU2008201115731U CN200820111573U CN201222418Y CN 201222418 Y CN201222418 Y CN 201222418Y CN U2008201115731 U CNU2008201115731 U CN U2008201115731U CN 200820111573 U CN200820111573 U CN 200820111573U CN 201222418 Y CN201222418 Y CN 201222418Y
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Abstract
The utility model discloses a segmented adjustable reactor, which is formed by connecting three segmented adjustable single-phase reactors in a star shape, and the three segmented adjustable single-phase reactors are respectively provided with coils, and each coil is respectively formed by a public coil and a tapping coil which are connected in series, each tapping coil is provided 3-25 taps, and is additionally provided with a three-phase tapping switch, and the three-phase tapping switch is formed by three tapping switches, and each tapping switch is provided with 3-25 switch contactors and a center connecting-out point, the number of the contactors of the single-phase tapping switch is equal to the number of the taps of the corresponding tapping coils, and the contactors and the taps are correspondingly connected. Dynamic contacts are arranged between the contactors and the center connecting-out point, and a tapping switch controller and a microcomputer controller are provided between the contactors and the center connecting-out point, and the other ends of the public coils of the three single-phase reactors are connected together, and the other ends of the tapping coils of the three single-phase reactors can be connected together. The segmented adjustable reactor is suitable for electrified wire netting and power stations to adjust reactive power output and stable voltage, which has the advantages of flexible control, low production cost and obvious effect.
Description
Technical field
The utility model belongs to the auxiliary equipment in electrical network power station, and concrete is that a kind of shunt reactor that can be used as uses, and realizes the adjusting that perception is idle, systems stabilisation voltage; Again can with the use in parallel of fixed compensation capacitor device group, realize changing the capacity of capacitive reactive power output, improve grid voltage quality, improve power factor, voltage difference is big round the clock to be particularly useful for solving electrical network, a kind of modified model reactor of the problem that seasonal voltage difference is big.
Background technology
Along with rapid growth of economy, power load constantly increases, and usually causes the electric load breach, and serious day by day, and quality of voltage constantly worsens.Electric power system need be adopted various measures, and systems stabilisation voltage improves power factor, reduces line loss, increases power supply capacity under the prerequisite that does not increase the power-supply device construction, improves the quality of power supply.And in the stabilizing equipment of the adjusting of electric network reactive-load and system voltage, usually need to use a kind of reactor.At present, the kind of reactor is a lot, and they mostly have use value preferably.But adjustable few of reactance value wherein, and mostly structure is comparatively complicated, perhaps structure is comparatively simple, but uses not too conveniently, and therefore the control underaction need make improvements.
The utility model content
The purpose of this utility model is in order to solve the problems of the technologies described above, to propose a kind of sectioned adjustable reactor.This reactor is regulated flexibly, and is easy to use, can realize control automatically, the accuracy height, and also simple in structure, cost is low.
The purpose of this utility model is achieved through the following technical solutions: the sectioned adjustable reactor, be provided with coil and shunting switch, it is characterized in that: form by three single-phase reactor Y-connections of sectioned adjustable, three single-phase reactors of sectioned adjustable are respectively equipped with loop A, B, C, each coil is respectively by common winding a1, b1, c1 and tap coil a2, b2, the c2 composition that is connected in series, each tap coil is provided with 3-25 tap, the tap position of tap coil requires to determine according to every grade output capacity, be provided with a tap changer for three phases in addition, this tap changer for three phases is made up of three single-phase switchs, each single-phase switch is provided with 3-25 make and break contact and a center picks out a little, and the number of make and break contact is identical with the tap number of tap coil; The contact of single-phase shunting switch and the corresponding connection of the tap of corresponding tap coil, the contact of shunting switch and center are provided with moving contact between picking out a little, and the break-make of moving contact and each contact is controlled by the shunting switch controller; This shunting switch controller is controlled by microcomputerized controller, this microcomputerized controller is by the work of treatment program of inner setting, analyze and judge according to the requirement of the voltage of reactive requirement amount and setting and power factor, and then send instruction and give the shunting switch controller, by the position of the moving contact of shunting switch controller control shunting switch, i.e. gear conversion.
Other end S1, the S2 of the common winding of described three single-phase reactors of sectioned adjustable, S3 link together, and this connected mode is the end voltage regulating mode.
Other end T1, T2, the T3 of the tap coil of described three single-phase reactors of sectioned adjustable link together, and this connected mode is the neutral point voltage regulating mode.
Sectioned adjustable reactor of the present utility model (6) is during with fixed compensation capacitor device group (5) use in parallel, be connected in parallel on the low-voltage bus bar (2) with fixed compensation capacitor device group, the detection signal output of voltage transformer (4), current transformer (3) is connected with the input of microcomputerized controller (8) respectively, the signal output part of microcomputerized controller is connected with the input of shunting switch controller (7), and the output of shunting switch controller is connected with shunting switch on the sectioned adjustable reactor.By the adjusting of shunting switch, change the inductance value of reactor, according to formula Q=U
2The principle of/2 π FL changes the output capacity of reactor, drops into and fixed compensation capacitor device group is fixing, and the capacitive reactive power output capacity is constant, reaches the purpose of change compensation capacity by the capacity regulating of sectioned adjustable reactor.
Sectioned adjustable reactor of the present utility model also can be used as shunt reactor and uses, and is connected on the low-voltage bus bar, realizes the adjusting that perception is idle, systems stabilisation voltage.
The utlity model has following advantage:
When (1) using this reactor with the use in parallel of fixed compensation capacitor device group, the capacitor group one-time fixes input, does not have frequent switching, has prolonged the useful life of capacitor group.
(2) use this reactor, the variation of idle output capacity is to realize by the shunting switch of regulating on the sectioned adjustable shunt reactor, in the operating process no overvoltage with shove, make system safer, prolong its useful life
(3) transformation of the existing fixed compensation of very suitable transformer station, original fixed compensation capacitor device group partly need not to change, and only needs a sectioned adjustable shunt reactor of increase and an idle control flow can realize Reactive Power Automatic Regulating.
(4) with the use in parallel of fixed compensation capacitor device group, be that than the advantage of traditional SVC mode self does not produce harmonic wave, floor space is little, cost is low, need not to increase the capacity of original fixed capacitor group, saves the improvement project cost, can reduce line loss significantly, the conservation of power energy.
(5) this reactor adopts the mode of segmentation, and reactor and shunting switch are used, and when each tap position, the input voltage that is added on the reactor equates, is system voltage, changes the inductance value of access point by the tap conversion of shunting switch.
Description of drawings
Fig. 1 is the syndeton schematic diagram that the utility model uses in electrical network, and 6 is structured flowchart of the present utility model among the figure;
Fig. 2 is the coil and the shunting switch syndeton schematic diagram of the utility model (embodiment 1);
Fig. 3 is the coil and the shunting switch syndeton schematic diagram of the utility model (embodiment 2).
Embodiment
Below in conjunction with drawings and Examples the utility model is described further: embodiment 1: with reference to accompanying drawing 2, the sectioned adjustable reactor, form by three single-phase reactor Y-connections of sectioned adjustable, three single-phase reactors of sectioned adjustable are respectively equipped with loop A, B, C, each coil is respectively by common winding a1, b1, c1 and tap coil a2, b2, the c2 composition that is connected in series, each tap coil is provided with 9 taps 1.1, the tap position of tap coil requires to determine according to every grade output capacity, be provided with a tap changer for three phases in addition, this tap changer for three phases is made up of three single-phase switchs 9, each single-phase switch is provided with 9 make and break contacts 9.1 and center and picks out a little 9.2, and the number of switch is identical with the tap number of tap coil; The contact of single-phase shunting switch and the corresponding connection of the tap of corresponding tap coil are provided with moving contact 9.3 between the contact of shunting switch and center pick out a little, and the break-make of moving contact and each contact is controlled by shunting switch controller 7; This shunting switch controller is by microcomputerized controller 8 controls, this microcomputerized controller is by the work of treatment program of inner setting, analyze and judge according to the requirement of the voltage of reactive requirement amount and setting and power factor, and then send instruction and give the shunting switch controller, by the position of the moving contact of shunting switch controller control shunting switch, i.e. gear conversion.Other end S1, the S2 of the common winding of three single-phase reactors of sectioned adjustable, S3 link together, and this connected mode is the end voltage regulating mode.
Embodiment 2: referring to accompanying drawing 3, and the sectioned adjustable reactor, other end T1, T2, the T3 of the tap coil of three single-phase reactors of sectioned adjustable link together, and this connected mode is the neutral point voltage regulating mode.Being connected of the tap of described tap coil and shunting switch, microcomputerized controller is with on-off controller and be connected identical with embodiment 1.
The foregoing description is through on probation, and effect is very good, and systems stabilisation voltage has effectively improved the quality of line voltage greatly, and is stable, can be used for the transformation in existing power station, and cost is low, and loss is little, be convenient to promote.
Claims (3)
1, a kind of sectioned adjustable reactor, be provided with coil, shunting switch, it is characterized in that: form by three single-phase reactor Y-connections of sectioned adjustable, three single-phase reactors of sectioned adjustable are respectively equipped with loop A, B, C, each coil is respectively by common winding a1, b1, c1 and tap coil a2, b2, the c2 composition that is connected in series, each tap coil is provided with 3-25 tap (1.1), the tap position of tap coil requires to determine according to every grade output capacity, be provided with a tap changer for three phases in addition, this tap changer for three phases is made up of three single-phase switchs (9), each single-phase switch is provided with 3-25 make and break contact (9.1) and a center picks out point (9.2), and the number of make and break contact is identical with the tap number of tap coil; The contact of single-phase shunting switch and the corresponding connection of the tap of corresponding tap coil are provided with moving contact (9.3) between the contact of shunting switch and center pick out a little, the break-make of moving contact and each contact is controlled by shunting switch controller (7); This shunting switch controller is controlled by microcomputerized controller (8), this microcomputerized controller is by the work of treatment program of inner setting, analyze and judge according to the requirement of the voltage of reactive requirement amount and setting and power factor, and then send instruction and give the shunting switch controller, by the position of the moving contact of shunting switch controller control shunting switch, i.e. gear conversion.
2, sectioned adjustable reactor according to claim 1, it is characterized in that: other end S1, the S2 of the common winding of three single-phase reactors of sectioned adjustable, S3 link together, and this connected mode is the end voltage regulating mode.
3, sectioned adjustable reactor according to claim 1 is characterized in that: other end T1, T2, the T3 of the tap coil of three single-phase reactors of sectioned adjustable link together, and this connected mode is the neutral point voltage regulating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201115731U CN201222418Y (en) | 2008-05-14 | 2008-05-14 | Sectional type adjustable reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201115731U CN201222418Y (en) | 2008-05-14 | 2008-05-14 | Sectional type adjustable reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222418Y true CN201222418Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201115731U Expired - Fee Related CN201222418Y (en) | 2008-05-14 | 2008-05-14 | Sectional type adjustable reactor |
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| Country | Link |
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| CN (1) | CN201222418Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244388A (en) * | 2011-07-12 | 2011-11-16 | 上海华艾软件有限公司 | Reactive power compensation and filtering device with automatically adjustable inductance ratio |
| CN105140008A (en) * | 2014-08-29 | 2015-12-09 | 扬州市鑫源电气有限公司 | Novel multi-gear tuning electric reactor |
| CN111463802A (en) * | 2020-03-27 | 2020-07-28 | 国网浙江省电力有限公司嘉兴供电公司 | Segmented controllable series reactor device and distribution line voltage control method thereof |
| CN112951576A (en) * | 2021-03-22 | 2021-06-11 | 保定天威保变电气股份有限公司 | Wiring method of switch connection type tapping winding for adjustable reactor |
| CN112992511A (en) * | 2021-03-22 | 2021-06-18 | 保定天威保变电气股份有限公司 | Three-phase adjustable parallel reactor wiring structure adopting fixed connection type tapping windings |
| WO2022088402A1 (en) * | 2020-10-29 | 2022-05-05 | 合肥科威尔电源系统股份有限公司 | Adjustable reactor and equal-step adjustment method therefor |
-
2008
- 2008-05-14 CN CNU2008201115731U patent/CN201222418Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244388A (en) * | 2011-07-12 | 2011-11-16 | 上海华艾软件有限公司 | Reactive power compensation and filtering device with automatically adjustable inductance ratio |
| CN105140008A (en) * | 2014-08-29 | 2015-12-09 | 扬州市鑫源电气有限公司 | Novel multi-gear tuning electric reactor |
| CN111463802A (en) * | 2020-03-27 | 2020-07-28 | 国网浙江省电力有限公司嘉兴供电公司 | Segmented controllable series reactor device and distribution line voltage control method thereof |
| WO2022088402A1 (en) * | 2020-10-29 | 2022-05-05 | 合肥科威尔电源系统股份有限公司 | Adjustable reactor and equal-step adjustment method therefor |
| CN112951576A (en) * | 2021-03-22 | 2021-06-11 | 保定天威保变电气股份有限公司 | Wiring method of switch connection type tapping winding for adjustable reactor |
| CN112992511A (en) * | 2021-03-22 | 2021-06-18 | 保定天威保变电气股份有限公司 | Three-phase adjustable parallel reactor wiring structure adopting fixed connection type tapping windings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING SNTA ENERGY-SAVING ELECTRIC CO., LTD Free format text: FORMER NAME: BEIJING SNTA ELECTRIC POWER TECHNOLOGY CO., LTD |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100085, A, building 9, Ka Wah building, 901 3rd Street, Beijing, Haidian District Patentee after: Beijing Snta Energy-Saving Electrical Co., Ltd. Address before: 100085, A, building 9, Ka Wah building, 901 3rd Street, Beijing, Haidian District Patentee before: Beijing Snta Electric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20160514 |