CN201893560U - Self-adaptive synchronous switch controller of 10kV capacitor - Google Patents
Self-adaptive synchronous switch controller of 10kV capacitor Download PDFInfo
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- CN201893560U CN201893560U CN2010206159080U CN201020615908U CN201893560U CN 201893560 U CN201893560 U CN 201893560U CN 2010206159080 U CN2010206159080 U CN 2010206159080U CN 201020615908 U CN201020615908 U CN 201020615908U CN 201893560 U CN201893560 U CN 201893560U
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- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a self-adaptive synchronous switch controller of a 10kV capacitor. The self-adaptive synchronous switch controller of the 10kV capacitor is characterized by comprising a switch controller main body which comprises a signal acquisition module, a center processing module and an execution module, wherein the center processing module is connected to the signal acquisition module and the execution module through a line; the signal acquisition module is connected to a three-phase power grid; and the execution module is connected with a three-phase synchronous module. The controller has a self-adaptive function; the time for switching on or off can be measured and corrected; and the high-precision synchronous switching can be maintained without being influenced by the outside.
Description
Technical field
The utility model relates to the synchronous switching technical field of 10kV capacitor group, especially a kind of 10kV capacitor self adaptation synchro switch controller.
Background technology
In the capacitor making process, can produce high frequency and shove, electric power system and capacitor device are produced impact.The method that realizes the no-flashy-flow input adopts synchronous input exactly, and the control closing time drops into when the capacitance voltage zero passage.
10kV capacitor group adopts star to connect isolated neutral system, and synchroswitching adopts following strategy: the phase switch that closes a floodgate at any time earlier, at this moment there is not the loop, and do not produce and shove; When second phase voltage is equal with first phase voltage, drop into the second phase electric capacity, the third phase electric capacity are dropped in 90 degree backs.Guarantee that three phase capacitance all drops into the generation of not shoving at zero point.
In actual use, the closing time of switch is subjected to external condition (as: power-supply fluctuation, humiture change), service time factor affecting such as (contact wearing and tearing), especially after using certain hour, some indexs can change, and will influence the switching precision like this.
Summary of the invention
The utility model purpose: the utility model provides a kind of 10kV capacitor group self adaptation synchro switch controller, its objective is the problem that is subjected to ectocine easily in the solution switch making process in the past and then influences actual switching precision.
Technical scheme: the utility model is achieved through the following technical solutions:
10kV capacitor group self adaptation synchro switch controller, it is characterized in that: described 10kV capacitor self adaptation synchro switch controller comprises an on-off controller main body, and described on-off controller main body comprises: signal acquisition module, central processing module and Executive Module; Described central processing module is connected to signal acquisition module and Executive Module by circuit; Described signal acquisition module is connected to three phase network, and Executive Module is connected to the three-phase synchro switch.
Described signal acquisition module comprises the actual feed motion waveform acquisition of the capacitor unit that is used for gathering the grid voltage waveform collecting unit of three phase network voltage waveform and is used to gather the actual feed motion waveform of three phase network capacitor;
Described central processing module comprises memory cell that reads grid voltage waveform and actual feed motion time waveform and the reclosing command control unit that sends reclosing command to Executive Module;
Described memory cell is connected to grid voltage waveform collecting unit and the actual feed motion waveform acquisition of capacitor unit by circuit respectively; The grid voltage waveform collecting unit is connected to three phase network, and the actual feed motion waveform acquisition of capacitor unit is connected to capacitor in the three phase network by circuit; Described Executive Module is connected to the reclosing command control unit.
Described line voltage collecting unit comprises electrical network a phase voltage waveform collecting unit, electrical network b phase voltage waveform collecting unit and electrical network c phase voltage waveform collecting unit; The actual feed motion waveform acquisition of capacitor unit comprises a phase waveform collecting unit, b phase waveform collecting unit and c phase waveform collecting unit;
Memory cell comprises a phase waveform memory cell of storing three phase network voltage waveform and the actual feed motion waveform of capacitor respectively, b phase waveform memory cell and c phase waveform memory cell; The reclosing command control unit comprises respectively a that sends reclosing command to Executive Module close a floodgate mutually instruction control unit, b synchronised reclosing command control unit and c synchronised reclosing command control unit;
Executive Module comprises respectively a that the three-phase synchro switch in the three phase network is carried out closing operation motor unit, b motor unit and the c motor unit that closes a floodgate mutually that closes a floodgate mutually that closes a floodgate mutually;
Described a phase waveform memory cell, b phase waveform memory cell and c phase waveform memory cell are corresponding respectively is connected to a grid voltage waveform collecting unit, b phase grid voltage waveform collecting unit and c grid voltage waveform collecting unit mutually mutually; A phase grid voltage waveform collecting unit, b phase grid voltage waveform collecting unit and c be the corresponding respectively three phase terminals that is connected to three phase network of grid voltage waveform collecting unit mutually; Described a phase waveform memory cell, b phase waveform memory cell and c phase waveform memory cell are also corresponding respectively is connected to a phase waveform collecting unit, b phase waveform collecting unit and c phase waveform collecting unit; The three phase terminals that is connected to capacitor in the three phase network that a phase waveform collecting unit, b phase waveform collecting unit and c phase waveform collecting unit are corresponding respectively;
Described a close a floodgate mutually instruction control unit, b synchronised reclosing command control unit and c synchronised reclosing command control unit corresponding respectively be connected to a motor unit, b motor unit and the c motor unit that closes a floodgate mutually that closes a floodgate mutually that closes a floodgate mutually; A close a floodgate mutually motor unit, b close a floodgate mutually motor unit and c close a floodgate mutually motor unit corresponding respectively be connected to threephase switch in the three phase network.
Advantage and effect: the utility model provides a kind of 10kV capacitor group self adaptation synchro switch controller, it is characterized in that: described 10kV capacitor self adaptation synchro switch controller comprises an on-off controller main body; Described on-off controller main body comprises: signal acquisition module, central processing module and Executive Module; Described central processing module is connected to signal acquisition module and Executive Module by circuit; Described signal acquisition module is connected to three phase network and Executive Module is connected to the three-phase synchro switch.
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of have voluntarily detect and debugging functions, be applied in the synchronous switching controller of self adaptation of 10kV capacitor group switching, can drop into three-phase condenser bank respectively, realize that three groups of electric capacity no-flashy-flows close a floodgate.Have adaptation function, revise automatically because the deviation that factors such as external condition and service time cause realizes the high-precise synchronization switching.
Description of drawings:
Fig. 1 is a circuit principle structure block diagram of the present utility model;
Embodiment:Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1,10kV capacitor group self adaptation synchro switch controller, described 10kV capacitor self adaptation synchro switch controller comprises an on-off controller main body; Described on-off controller main body comprises: signal acquisition module 1, central processing module 2 and Executive Module 3; Described central processing module 2 is connected to signal acquisition module 1 and Executive Module 3 by circuit; Described signal acquisition module 1 is connected to three phase network a, b, c and Executive Module 3 and is connected to three-phase synchro switch a, b, c.Signal acquisition module 1 is used to gather mains voltage signal and the actual feed motion signal of capacitor, and central processing module 2 is used to analyze line voltage, external condition and actual feed motion time, and Executive Module 3 is carried out reclosing command and realized the synchroswitching action.
Described signal acquisition module 1 comprise be used for gathering number in the figure be a, b and c the three phase network voltage waveform grid voltage waveform collecting unit 11 and be used to gather the actual feed motion waveform acquisition of the capacitor unit 12 of the actual feed motion waveform of three phase network capacitor;
Described central processing module 2 comprises memory cell 21 that reads and store grid voltage waveform and actual feed motion time waveform and the reclosing command control unit 22 that sends reclosing command to Executive Module; The effect that is to say memory cell 21 is the memory cell that is used to store line voltage and actual feed motion waveform, and can to store label respectively be a, b, the actual feed motion waveform of the three phase network voltage waveform of c and capacitor.Described central processing module can be analyzed the mutually actual feed motion waveform of a, in view of the above current external condition (voltage fluctuation, humiture) is made correction; According to current grid voltage waveform and last time actual feed motion waveform, the deviation that switch is produced service time is made correction, accurately calculate b, c is this closing time mutually, guarantees a, b, the c three-phase closed a floodgate at zero point, can reduce the making process transient process like this, reduced impact and harm to system and load, further improve the life-span of power equipment and the stability of system, improve power supply quality.
Described memory cell 21 is connected to grid voltage waveform collecting unit 11 and the actual feed motion waveform acquisition of capacitor unit 12 by circuit respectively; Grid voltage waveform collecting unit 11 is connected to three phase network a, b, c, and the actual feed motion waveform acquisition of capacitor unit 12 is connected to three-phase capacitor a, b, c in the three phase network; Described Executive Module 3 is connected to reclosing command control unit 22.
Described line voltage collecting unit 11 comprises three a, b, and c three phase network voltage waveform collecting unit is respectively a phase grid voltage waveform collecting unit 111, b phase grid voltage waveform collecting unit 112 an and c grid voltage waveform collecting unit 113 mutually; The actual feed motion waveform acquisition of capacitor unit 12 also comprises three a, b, and the actual feed motion waveform acquisition of c capacitor unit is respectively a phase waveform collecting unit 121, b phase waveform collecting unit 122 and c phase waveform collecting unit 123;
Reclosing command control unit 22 comprises three respectively to a, b, c three-phase Executive Module sends the reclosing command control unit of reclosing command, is respectively: a close a floodgate mutually instruction control unit 221, b synchronised reclosing command control unit 222 and c synchronised reclosing command control unit 223; Wherein b instruction control unit 222 and the c reclosing command that instruction control unit 223 sends that closes a floodgate mutually that closes a floodgate mutually is the synchroswitching instruction.
Connected mode as shown in fig. 1, described a phase grid voltage waveform memory cell 211, b phase grid voltage waveform memory cell 212 and c mutually grid voltage waveform memory cell 213 corresponding respectively be connected to a phase grid voltage waveform collecting unit 111, b phase grid voltage waveform collecting unit 112 and c grid voltage waveform collecting unit 113 mutually; A phase grid voltage waveform collecting unit 111, b phase grid voltage waveform collecting unit 112 and c be the corresponding respectively three phase terminals that is connected to three phase network a, b, c of grid voltage waveform collecting unit 113 mutually; Described a phase grid voltage waveform memory cell 211, b phase grid voltage waveform memory cell 212 and c mutually grid voltage waveform memory cell 213 also corresponding respectively be connected to a phase waveform collecting unit 121, b phase waveform collecting unit 122 and c phase waveform collecting unit 123; The three phase terminals that is connected to three-phase capacitor a, b, c in the three phase network that a phase waveform collecting unit 121, b phase waveform collecting unit 122 and c phase waveform collecting unit 123 are corresponding respectively;
Described a close a floodgate mutually instruction control unit 221, b close a floodgate mutually instruction control unit 222 and c close a floodgate mutually instruction control unit 223 corresponding respectively be connected to a motor unit 31, b motor unit 32 and the c motor unit 33 that closes a floodgate mutually that closes a floodgate mutually that closes a floodgate mutually; A close a floodgate mutually motor unit 31, b close a floodgate mutually motor unit 32 and c close a floodgate mutually motor unit 33 corresponding respectively be connected to threephase switch among three phase network a, b, the c.
The utility model when in use, as shown in Figure 1, after central processing module 2 is received reclosing command, by a close a floodgate mutually instruction control unit promptly first close a floodgate mutually instruction control unit 221 to a close a floodgate mutually motor unit promptly first motor unit 31 that closes a floodgate mutually send the feed motions instruction, a phase switch is closed a floodgate.The actual feed motion waveform acquisition of a phase capacitor unit is the memory cell 21 that the first phase waveform collecting unit 121 is delivered to the actual feed motion waveform of a phase capacitor that collects the actual feed motion waveform of central processing module 2, central processing module 2 draws the correction factor of this combined floodgate external condition by this combined floodgate waveform of a phase is contrasted with the representative function curve; And in conjunction with by b phase grid voltage waveform collecting unit 112 and the c current grid voltage waveform that records of grid voltage waveform collecting unit 113 and b last time mutually, the mutually actual feed motion waveform of c accurately calculates this b, the c phase switch feed motion time.B synchronised reclosing command control unit 222 and c synchronised reclosing command control unit 223 send the synchroswitching instruction to b motor unit 32 and the c motor unit 33 that closes a floodgate mutually that closes a floodgate mutually, b motor unit 32 and the c motor unit 33 that closes a floodgate mutually that closes a floodgate is mutually finished b, c phase switch synchroswitching.
This b is gathered in the actual feed motion waveform acquisition of capacitor unit 12, and the actual feed motion waveform of c phase electric capacity also is delivered to actual feed motion waveform memory cell 21, as the reference of next closing operation.
This utility model is rational in infrastructure, and is practical, is beneficial to and applies.
Claims (3)
1.10kV capacitor group self adaptation synchro switch controller, it is characterized in that: described 10kV capacitor self adaptation synchro switch controller comprises an on-off controller main body, and described on-off controller main body comprises: signal acquisition module (1), central processing module (2) and Executive Module (3); Described central processing module (2) is connected to signal acquisition module (1) and Executive Module (3) by circuit; Described signal acquisition module (1) is connected to three phase network (a, b, c), and Executive Module (3) is connected to three-phase synchro switch (a, b, c).
2. 10kV capacitor group self adaptation synchro switch controller according to claim 1, it is characterized in that: described signal acquisition module (1) comprises the actual feed motion waveform acquisition of the capacitor unit (12) that is used for gathering the grid voltage waveform collecting unit (11) of three phase network voltage waveform and is used to gather the actual feed motion waveform of three phase network capacitor;
Described central processing module (2) comprises memory cell (21) that reads grid voltage waveform and actual feed motion time waveform and the reclosing command control unit (22) that sends reclosing command to Executive Module;
Described memory cell (21) is connected to grid voltage waveform collecting unit (11) and the actual feed motion waveform acquisition of capacitor unit (12) by circuit respectively; Grid voltage waveform collecting unit (11) is connected to three phase network (a, b, c), and the actual feed motion waveform acquisition of capacitor unit (12) is connected to capacitor in the three phase network by circuit; Described Executive Module (3) is connected to reclosing command control unit (22).
3. 10kV capacitor group self adaptation synchro switch controller according to claim 2, it is characterized in that: described line voltage collecting unit (11) comprises electrical network a phase voltage waveform collecting unit (111), electrical network b phase voltage waveform collecting unit (112) and electrical network c phase voltage waveform collecting unit (113); The actual feed motion waveform acquisition of capacitor unit (12) comprises a phase waveform collecting unit (121), b phase waveform collecting unit (122) and c phase waveform collecting unit (123);
Memory cell (21) comprises a phase waveform memory cell (211) of storing three phase network voltage waveform and the actual feed motion waveform of capacitor respectively, b phase waveform memory cell (212) and c phase waveform memory cell (213); Reclosing command control unit (22) comprises respectively a that sends reclosing command to Executive Module close a floodgate mutually instruction control unit (221), b synchronised reclosing command control unit (222) and c synchronised reclosing command control unit (223);
Executive Module (3) comprises respectively a that the three-phase synchro switch in the three phase network is carried out closing operation motor unit (31), b motor unit (32) and the c motor unit (33) that closes a floodgate mutually that closes a floodgate mutually that closes a floodgate mutually;
Described a phase waveform memory cell (211), b phase waveform memory cell (212) and c phase waveform memory cell (213) are corresponding respectively is connected to a grid voltage waveform collecting unit (111), b phase grid voltage waveform collecting unit (112) and c grid voltage waveform collecting unit (113) mutually mutually; A phase grid voltage waveform collecting unit (111), b phase grid voltage waveform collecting unit (112) and c be the corresponding respectively three phase terminals that is connected to three phase network (a, b, c) of grid voltage waveform collecting unit (113) mutually; Described a phase waveform memory cell (211), b phase waveform memory cell (212) and c phase waveform memory cell (213) are also corresponding respectively is connected to a phase waveform collecting unit (121), b phase waveform collecting unit (122) and c phase waveform collecting unit (123); The three phase terminals that is connected to capacitor in the three phase network (a, b, c) that a phase waveform collecting unit (121), b phase waveform collecting unit (122) and c phase waveform collecting unit (123) are corresponding respectively;
Described a close a floodgate mutually instruction control unit (221), b synchronised reclosing command control unit (222) and c synchronised reclosing command control unit (223) corresponding respectively be connected to a motor unit (31), b motor unit (32) and the c motor unit (33) that closes a floodgate mutually that closes a floodgate mutually that closes a floodgate mutually; A close a floodgate mutually motor unit (31), b close a floodgate mutually motor unit (32) and c close a floodgate mutually motor unit (33) corresponding respectively be connected to threephase switch in the three phase network (a, b, c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206159080U CN201893560U (en) | 2010-11-21 | 2010-11-21 | Self-adaptive synchronous switch controller of 10kV capacitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206159080U CN201893560U (en) | 2010-11-21 | 2010-11-21 | Self-adaptive synchronous switch controller of 10kV capacitor |
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| CN201893560U true CN201893560U (en) | 2011-07-06 |
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| CN2010206159080U Expired - Fee Related CN201893560U (en) | 2010-11-21 | 2010-11-21 | Self-adaptive synchronous switch controller of 10kV capacitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311938A (en) * | 2013-06-25 | 2013-09-18 | 浙江清电科技有限公司 | Control method for synchronous casting and cutting of three-phase capacitive load in three-phase circuit |
| CN105656058A (en) * | 2016-03-14 | 2016-06-08 | 重庆明斯克电气有限责任公司 | Dynamic switching circuit of electromechanical synchronous switch of capacitor and control method of dynamic switching circuit |
| CN106329706A (en) * | 2016-10-11 | 2017-01-11 | 江苏金智科技股份有限公司 | Intelligent power supply switching device for providing intelligent correction function of circuit breaker closing time |
-
2010
- 2010-11-21 CN CN2010206159080U patent/CN201893560U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311938A (en) * | 2013-06-25 | 2013-09-18 | 浙江清电科技有限公司 | Control method for synchronous casting and cutting of three-phase capacitive load in three-phase circuit |
| CN105656058A (en) * | 2016-03-14 | 2016-06-08 | 重庆明斯克电气有限责任公司 | Dynamic switching circuit of electromechanical synchronous switch of capacitor and control method of dynamic switching circuit |
| CN106329706A (en) * | 2016-10-11 | 2017-01-11 | 江苏金智科技股份有限公司 | Intelligent power supply switching device for providing intelligent correction function of circuit breaker closing time |
| CN106329706B (en) * | 2016-10-11 | 2020-04-10 | 江苏金智科技股份有限公司 | Factory power supply fast switching device with intelligent circuit breaker opening and closing time correcting function |
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Granted publication date: 20110706 Termination date: 20131121 |