CN204794094U - Low pressure circuit voltage reactive compensation controlling means - Google Patents
Low pressure circuit voltage reactive compensation controlling means Download PDFInfo
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- CN204794094U CN204794094U CN201520574293.4U CN201520574293U CN204794094U CN 204794094 U CN204794094 U CN 204794094U CN 201520574293 U CN201520574293 U CN 201520574293U CN 204794094 U CN204794094 U CN 204794094U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The utility model provides a low pressure circuit voltage reactive compensation controlling means, includes the shell with installing support fixed connection, places the inside low pressure circuit phase separating automatic voltage regulation device of shell in, low pressure circuit phase separating automatic voltage regulation device is including installing in the compensation of the A looks pressure regulating between A phase line and zero line module, installing in the compensation module of the B looks pressure regulating between B phase line and the zero line and install the C looks pressure regulating compensation module between C phase line and zero line, a looks pressure regulating compensation module, B looks pressure regulating compensation module and C looks pressure regulating compensation module are controlled by the controller, the controller includes GPRS communication module, the controller passes through GPRS communication module and accepts remote controller control. It can effectually solve the problem that the electric current is big, automatic control switch is difficult to the matching, can realize load balancing.
Description
Technical field
The utility model relates to reactive power compensator, particularly relates to a kind of low-voltage circuit voltage and reactive power compensation control device.
Background technology
The comparatively large or low voltage of 10kV long supply line end distribution transformer high side voltage fluctuation and low-voltage supply line long, low-voltage circuit terminal voltage all can be caused to fluctuate comparatively large, voltage fluctuation exceedes national regulation allowed band.The power load distributing of low-voltage circuit end and electricity consumption period again can be extremely uneven, can cause three-phase imbalance: each phase voltage deviation is large, power factor is low and uneven, in the urgent need to voltage with idlely carry out phase-splitting Based Intelligent Control.
Low-voltage circuit voltage power-less intelligent controlling device has the difficult point of 2 aspects to need to solve:
1, large, the automatic control switch of electric current is difficult to coupling.The standard voltage value of low-voltage circuit is triple line 400V, single-phase voltage 231V, determines bus current thus larger.For three-phase 30kVA: its low-pressure side output-current rating is 43.3A.When limit by the institute such as power consumption, volume, installation site, environment for use and need frequent movement, under conditions present, a suitable switch of very difficult selection goes to support the use.
2, load unbalanced, need phase-splitting regulation voltage, idle.The power load distributing of low-voltage distributing line is uneven, the electricity consumption period concentrates and uneven, all removes to realize phase-splitting Intelligent adjustment voltage, idle in the urgent need to a kind of effective and means being suitable for large scale application.
Utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of low-voltage circuit voltage and reactive power compensation control device, it can effectively solve, and electric current be large, automatic control switch is difficult to the problem of mating, can realize meeting balance.
To achieve these goals, the technical solution of the utility model is:
A kind of low-voltage circuit voltage and reactive power compensation control device, comprises the shell be fixedly connected with mounting bracket, is placed in the low-voltage circuit phase-splitting automatic pressure regulating device of enclosure; Described low-voltage circuit phase-splitting automatic pressure regulating device comprises and is arranged on A phase regulating compensation module between A phase line with zero line, is arranged on the B phase regulating compensation module between B phase line and zero line and is arranged on the C phase regulating compensation module between C phase line and zero line, described A phase regulating compensation module, B phase regulating compensation module and C phase regulating compensation module control by controller, described controller comprises GPRS communication module, and described controller accepts remote controller by GPRS communication module and controls.
The circuit structure of described A phase regulating compensation module comprises, A phase winding, described A phase winding and K switch 13 are connected in series between A phase line output terminal and zero line, described A phase winding is made up of with A phase common winding the A connected the successively winding that is in series, described A phase common winding is by the A phase common winding I section be sequentially connected in series, A phase common winding II section and A phase common winding III section composition, the input of A phase line is connected to the node that A is in series between winding with A phase common winding I section, node between described A phase common winding I section with A phase common winding II section is by K switch 11 connecting to neutral line, node between described A phase common winding II section with A phase common winding III section is by K switch 12 connecting to neutral line, connecting valve K13 between described A phase common winding III section and zero line, the output of A phase line is connected zero line by the electric capacity C11 be connected in series with K switch C11, the output of A phase line is connected zero line by the electric capacity C12 be connected in series with K switch C12.
The circuit structure of described B phase regulating compensation module comprises, B phase winding, described B phase winding and K switch 23 are connected in series between B phase line output terminal and zero line, described B phase winding is made up of with B phase common winding the B connected the successively winding that is in series, described B phase common winding is by the B phase common winding I section be sequentially connected in series, B phase common winding II section and B phase common winding III section composition, the input of B phase line is connected to the node that B is in series between winding with B phase common winding I section, node between described B phase common winding I section with B phase common winding II section is by K switch 21 connecting to neutral line, node between described B phase common winding II section with B phase common winding III section is by K switch 22 connecting to neutral line, connecting valve K23 between described B phase common winding III section and zero line, the output of B phase line is connected zero line by the electric capacity C21 be connected in series with K switch C21, the output of B phase line is connected zero line by the electric capacity C22 be connected in series with K switch C22.
The circuit structure of described C phase regulating compensation module comprises, C phase winding, described C phase winding and K switch 33 are connected in series between C phase line output terminal and zero line, described C phase winding is made up of with C phase common winding the C connected the successively winding that is in series, described C phase common winding is by the C phase common winding I section be sequentially connected in series, C phase common winding II section and C phase common winding III section composition, the input of C phase line is connected to the node that C is in series between winding with C phase common winding I section, node between described C phase common winding I section with C phase common winding II section is by K switch 31 connecting to neutral line, node between described C phase common winding II section with C phase common winding III section is by K switch 32 connecting to neutral line, connecting valve K33 between described C phase common winding III section and zero line, the output of C phase line is connected zero line by the electric capacity C31 be connected in series with K switch C31, the output of C phase line is connected zero line by the electric capacity C32 be connected in series with K switch C32.
Described K switch 11, K12, K13, KC11 and KC12 are combination switch or thyristor switch.
Described K switch 21, K22, K23, KC21 and KC22 are combination switch or thyristor switch.
Described K switch 31, K32, K33, KC31 and KC32 are combination switch or thyristor switch.
The compensation capacity of described electric capacity C11, C12, C21, C22, C31 and C32 is 6kvar.
The beneficial effects of the utility model are: can individual-phase control voltage and idle adjustment, keep voltage, power factor in acceptability limit; Press system requirements by GPRS communication system and realize " remote measurement, remote signalling, remote control, remote regulating " function.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
Fig. 2 low-voltage circuit phase-splitting automatic pressure regulating device schematic diagram;
Fig. 3 a is A phase regulating compensation module; Fig. 3 b is B phase regulating compensation module; Fig. 3 c is C phase regulating compensation module.
Wherein, 1 shell; 2 mounting brackets; 3 entrance holes; 4 two entrance holes.
Embodiment
In order to better understand the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of low-voltage circuit voltage and reactive power compensation control device, comprises the shell 1 be fixed on mounting bracket 2, and the upper side of shell 1 is provided with an entrance hole 3 and secondary entrance hole 4, and the inside of shell 1 is provided with low-voltage circuit phase-splitting automatic pressure regulating device.
As shown in Figure 2, low-voltage circuit phase-splitting automatic pressure regulating device comprises: three single-phase voltage regulating compensating modules, and single-phase voltage regulating compensating module is arranged in A phase line, B phase line and C phase line respectively, and single-phase voltage regulating module is connecting to neutral line also.Be arranged between A phase line with zero line for A phase regulating compensation module; Be arranged between B phase line with zero line for B phase regulating compensation module; Be arranged between C phase line with zero line for C phase regulating compensation module.A phase regulating compensation module, B phase regulating compensation module and C phase regulating compensation module control by controller.Controller comprises GPRS communication module, and controller can be controlled by remote controller by GPRS communication module.
As shown in Figure 3 a, the circuit structure of A phase regulating compensation module comprises, A phase winding, A phase winding and K switch 13 are connected in series between A phase line output terminal and zero line, A phase winding is made up of with A phase common winding the A connected the successively winding that is in series, A phase common winding is by the A phase common winding I section be sequentially connected in series, A phase common winding II section and A phase common winding III section composition, the input of A phase line is connected to the node that A is in series between winding with A phase common winding I section, node between A phase common winding I section with A phase common winding II section is by K switch 11 connecting to neutral line, node between A phase common winding II section with A phase common winding III section is by K switch 12 connecting to neutral line, connecting valve K13 between A phase common winding III section and zero line, the output of A phase line is connected zero line by the electric capacity C11 be connected in series with K switch C11, the output of A phase line is connected zero line by the electric capacity C12 be connected in series with K switch C12.In figure, a end is A phase line output terminal, and A is A phase line input, and N, n are zero phase line node.K11, K12, K13, KC11 and KC12 are electronic type combination switch or thyristor, during use, intelligent controlling device detects low-voltage bus bar user side voltage, idle change automatically, and by control K11, K12 and K13 closed or cut-off and control output voltage, control logic is as table 1:
Table 1A phase regulating compensation module control logic table
As shown in Figure 3 b, the circuit structure of B phase regulating compensation module comprises, B phase winding, B phase winding and K switch 23 are connected in series between B phase line output terminal and zero line, B phase winding is made up of with B phase common winding the B connected the successively winding that is in series, B phase common winding is by the B phase common winding I section be sequentially connected in series, B phase common winding II section and B phase common winding III section composition, the input of B phase line is connected to the node that B is in series between winding with B phase common winding I section, node between B phase common winding I section with B phase common winding II section is by K switch 21 connecting to neutral line, node between B phase common winding II section with B phase common winding III section is by K switch 22 connecting to neutral line, connecting valve K23 between B phase common winding III section and zero line, the output of B phase line is connected zero line by the electric capacity C21 be connected in series with K switch C21, the output of B phase line is connected zero line by the electric capacity C22 be connected in series with K switch C22.In figure, b end is B phase line output terminal, and B is B phase line input, and N, n are zero phase line node.K21, K22, K23, KC21 and KC22 are electronic type combination switch or thyristor, during use, intelligent controlling device detects low-voltage bus bar user side voltage, idle change automatically, and by control K21, K22 and K23 closed or cut-off and control output voltage, control logic is as table 2:
Table 2B phase regulating compensation module control logic table
As shown in Figure 3 c, the circuit structure of C phase regulating compensation module comprises, C phase winding, C phase winding and K switch 33 are connected in series between C phase line output terminal and zero line, C phase winding is made up of with C phase common winding the C connected the successively winding that is in series, C phase common winding is by the C phase common winding I section be sequentially connected in series, C phase common winding II section and C phase common winding III section composition, the input of C phase line is connected to the node that C is in series between winding with C phase common winding I section, node between C phase common winding I section with C phase common winding II section is by K switch 31 connecting to neutral line, node between C phase common winding II section with C phase common winding III section is by K switch 32 connecting to neutral line, connecting valve K33 between C phase common winding III section and zero line, the output of C phase line is connected zero line by the electric capacity C31 be connected in series with K switch C31, the output of C phase line is connected zero line by the electric capacity C32 be connected in series with K switch C32.In figure, c end is C phase line output terminal, and C is C phase line input, and N, n are zero phase line node.K31, K32, K33, KC31 and KC32 are electronic type combination switch or thyristor, during use, intelligent controlling device detects low-voltage bus bar user side voltage, idle change automatically, and by control K31, K32 and K33 closed or cut-off and control output voltage, control logic is as table 3:
Table 3C phase regulating compensation module control logic table
All switches in Fig. 3 a, Fig. 3 b and Fig. 3 c control by same control device.The compensation capacity of electric capacity C11, C12, C21, C22, C31 and C32 is 6kvar.
As can be seen from table 1, table 2 and table 3, the utility model designs three-phase 400V, a 30kVA, maximum 10% (point 2.5%, 5%, 10% third gear) of boosting amplitude, compensation capacity 12kvar (are divided into 2 groups, often organize 6kvar), voltage and idle phase-splitting adjustment can be realized, be more suitable for the unbalanced place of threephase load.
This device course of work is as follows:
1, reactive compensation controlling device, start working after device powers on, by to user side voltage, idle monitoring, determine voltage circuit voltage, idle instantaneous value, with setting standard value comparison and integrated voltage, idle working region, as needed action, namely send instruction, can individual-phase control voltage and idle adjustment, keep voltage, power factor in acceptability limit;
2, reactive power compensation is pressed system requirements by GPRS communication system and is realized " remote measurement, remote signalling, remote control, remote regulating " function.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.
Claims (8)
1. a low-voltage circuit voltage and reactive power compensation control device, is characterized in that, comprises the shell be fixedly connected with mounting bracket, is placed in the low-voltage circuit phase-splitting automatic pressure regulating device of enclosure; Described low-voltage circuit phase-splitting automatic pressure regulating device comprises and is arranged on A phase regulating compensation module between A phase line with zero line, is arranged on the B phase regulating compensation module between B phase line and zero line and is arranged on the C phase regulating compensation module between C phase line and zero line, described A phase regulating compensation module, B phase regulating compensation module and C phase regulating compensation module control by controller, described controller comprises GPRS communication module, and described controller accepts remote controller by GPRS communication module and controls.
2. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 1, it is characterized in that, the circuit structure of described A phase regulating compensation module comprises, A phase winding, described A phase winding and K switch 13 are connected in series between A phase line output terminal and zero line, described A phase winding is made up of with A phase common winding the A connected the successively winding that is in series, described A phase common winding is by the A phase common winding I section be sequentially connected in series, A phase common winding II section and A phase common winding III section composition, the input of A phase line is connected to the node that A is in series between winding with A phase common winding I section, node between described A phase common winding I section with A phase common winding II section is by K switch 11 connecting to neutral line, node between described A phase common winding II section with A phase common winding III section is by K switch 12 connecting to neutral line, connecting valve K13 between described A phase common winding III section and zero line, the output of A phase line is connected zero line by the electric capacity C11 be connected in series with K switch C11, the output of A phase line is connected zero line by the electric capacity C12 be connected in series with K switch C12.
3. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 1, it is characterized in that, the circuit structure of described B phase regulating compensation module comprises, B phase winding, described B phase winding and K switch 23 are connected in series between B phase line output terminal and zero line, described B phase winding is made up of with B phase common winding the B connected the successively winding that is in series, described B phase common winding is by the B phase common winding I section be sequentially connected in series, B phase common winding II section and B phase common winding III section composition, the input of B phase line is connected to the node that B is in series between winding with B phase common winding I section, node between described B phase common winding I section with B phase common winding II section is by K switch 21 connecting to neutral line, node between described B phase common winding II section with B phase common winding III section is by K switch 22 connecting to neutral line, connecting valve K23 between described B phase common winding III section and zero line, the output of B phase line is connected zero line by the electric capacity C21 be connected in series with K switch C21, the output of B phase line is connected zero line by the electric capacity C22 be connected in series with K switch C22.
4. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 1, it is characterized in that, the circuit structure of described C phase regulating compensation module comprises, C phase winding, described C phase winding and K switch 33 are connected in series between C phase line output terminal and zero line, described C phase winding is made up of with C phase common winding the C connected the successively winding that is in series, described C phase common winding is by the C phase common winding I section be sequentially connected in series, C phase common winding II section and C phase common winding III section composition, the input of C phase line is connected to the node that C is in series between winding with C phase common winding I section, node between described C phase common winding I section with C phase common winding II section is by K switch 31 connecting to neutral line, node between described C phase common winding II section with C phase common winding III section is by K switch 32 connecting to neutral line, connecting valve K33 between described C phase common winding III section and zero line, the output of C phase line is connected zero line by the electric capacity C31 be connected in series with K switch C31, the output of C phase line is connected zero line by the electric capacity C32 be connected in series with K switch C32.
5. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 2, is characterized in that, described K switch 11, K12, K13, KC11 and KC12 are combination switch or thyristor switch.
6. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 5, is characterized in that, described K switch 21, K22, K23, KC21 and KC22 are combination switch or thyristor switch.
7. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 6, is characterized in that, described K switch 31, K32, K33, KC31 and KC32 are combination switch or thyristor switch.
8. a kind of low-voltage circuit voltage and reactive power compensation control device according to claim 7, is characterized in that, the compensation capacity of described electric capacity C11, C12, C21, C22, C31 and C32 is 6kvar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574293.4U CN204794094U (en) | 2015-07-31 | 2015-07-31 | Low pressure circuit voltage reactive compensation controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574293.4U CN204794094U (en) | 2015-07-31 | 2015-07-31 | Low pressure circuit voltage reactive compensation controlling means |
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| Publication Number | Publication Date |
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| CN204794094U true CN204794094U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574293.4U Expired - Fee Related CN204794094U (en) | 2015-07-31 | 2015-07-31 | Low pressure circuit voltage reactive compensation controlling means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993492A (en) * | 2015-07-31 | 2015-10-21 | 赵庆春 | Low-voltage line voltage reactive power compensation control device |
-
2015
- 2015-07-31 CN CN201520574293.4U patent/CN204794094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993492A (en) * | 2015-07-31 | 2015-10-21 | 赵庆春 | Low-voltage line voltage reactive power compensation control device |
| CN104993492B (en) * | 2015-07-31 | 2018-02-27 | 浙江百固电气科技股份有限公司 | A kind of low-voltage circuit voltage and reactive power compensation control device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20170731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |