CN204858572U - Reactive compensation controlling means based on OMAP - Google Patents
Reactive compensation controlling means based on OMAP Download PDFInfo
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- CN204858572U CN204858572U CN201520519955.8U CN201520519955U CN204858572U CN 204858572 U CN204858572 U CN 204858572U CN 201520519955 U CN201520519955 U CN 201520519955U CN 204858572 U CN204858572 U CN 204858572U
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- omap
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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
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Abstract
The utility model discloses a reactive compensation controlling means based on OMAP, include: machine case, the LCD who sets up in quick -witted case front side, input button and pilot lamp to and board and DC power strip are left in the AC NULL of quick -witted incasement portion board, CPU board, division income to the setting, the AC NULL board, open to leave board and DC power strip and input button with the input of CPU board is connected, LCD and pilot lamp and the output of CPU board is connected. The utility model discloses can satisfy circuit dispersion compensation and transformer substation and concentrate the compensation dual mode, controlled object can freely switch in fixed subdivided capacitor and voltage -controlled accent appearance transformer. According to the operation target of setting for, the switching of the fixed subdivided capacitor of automatically regulated or voltage -controlled accent hold the lift shelves of transformer, make the circuit operation at optimum state.
Description
Technical field
The utility model relates to electric energy quality optimizing, be specifically related to the reactive compensation controlling device of a kind of OMAP, in reactive compensation control system, can the idle and change in voltage of Real-Time Monitoring circuit, control capacitor switching or voltage-controlled capacitance-adjustable transformer lifting shelves, keep idle and balance that is voltage as far as possible, improve the quality of power supply.
Background technology
Along with the develop rapidly of modern industry, more and more higher to the requirement of the quality of power supply, for Medial & Low Voltage Power Network, appropriate reactive power compensator is installed to be very important, the reactive loss of low-voltage distributing line itself and the idle needs of part of users' power consumption equipment can be compensated like this, make idlely to reach balance as far as possible on the spot, to reduction line loss, improve quality of voltage and improve power supply capacity very favourable.
At present, existing reactive compensation controlling device only can realize a kind of mode in circuit dispersion compensation or transformer station's centralized compensation, and control object must be determined, therefore control model is dumb, inconvenient unified management.
Utility model content
The utility model is dumb for current existing reactive power compensator compensation way, and the situation that control object is single proposes a kind of reactive compensation controlling device based on OMAP.
The technical solution adopted in the utility model is: a kind of reactive compensation controlling device based on OMAP, it is characterized in that, comprise: cabinet, be arranged on the liquid crystal display on front side of cabinet, input key and indicator light, and the AC being arranged on cabinet inside exchanges tablet, CPU board, input and output plate and DC power panel, described AC exchanges tablet, input and output plate is connected with the input of input key with described CPU board with DC power panel, described liquid crystal display is connected with the output of indicator light with described CPU board, described CPU board comprises: OMAP processor, ADC sample circuit module, FPGA module, NANDFLASH and DDR2 outer memory module, power module and communication interface modules, described ADC sample circuit module installation is on compensated line to be detected, the output of described ADC sample circuit module connects the input of OMAP processor, the output of described OMAP processor connects FPGA module, described NANDFLASH, DDR2 outer memory module and communication interface modules are connected with the input/output terminal of described OMAP processor, the output of described FPGA module connects relay and indicator light, described power module is that described OMAP processor is powered.
Further, described ADC sample circuit comprises AC and exchanges tablet and DC power panel, and described AC exchanges tablet and connection to be compensated, and the output that described AC exchanges tablet connects DC power panel, and the output of described DC power panel connects OMAP processor.
Further, described communication interface modules comprises 3 road Ethernet interfaces, 2 road RS-485 serial interfaces, 2 road RS-232 printing interface and optical fiber interfaces, and wherein 3 road Ethernet interfaces connect prudential sub-station, local monitoring system and remote monitoring system; Described 2 road RS-485 serial interfaces are for interface when data standard interface and GPS couple, and described 2 tunnel RS-232 interface are printer interface and debugging interface.
Further, described OMAP processor adopts the OMAP-L138 chip with the low-power consumption of DSP+ARM double-core of TexasInstruments company.
Further, described cabinet is of a size of 154mm × 267mm × 230mm, and described LCDs is of a size of 128mm × 64mm.
The beneficial effects of the utility model are: the utility model can meet circuit dispersion compensation and transformer station's centralized compensation two kinds of modes, and control object freely can switch in fixing subdivided capacitor and voltage-controlled capacitance-adjustable transformer.According to the operational objective of setting, automatically regulate the fixing switching of subdivided capacitor or the lifting shelves of voltage-controlled capacitance-adjustable transformer, make circuit operate in optimum state.Simultaneously, accept the order of prudential sub-station and supervisory control system at different levels, switching is forced to fix subdivided capacitor or control the lifting shelves of voltage-controlled capacitance-adjustable transformer, when occurring that reactive requirement is uneven in territory of standing, by optimization and the scheduling of substation, realize the system optimization target within the scope of territory, station, to reduce outside territory, station idle as far as possible imports into.
Accompanying drawing explanation
Fig. 1 is a kind of reactive compensation controlling device cabinet front view based on OMAP that the utility model proposes;
Fig. 2 is a kind of reactive compensation controlling device cabinet rearview based on OMAP that the utility model proposes;
Fig. 3 is the described CPU board circuit structure diagram that the utility model proposes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further detailed.
See Fig. 1 and Fig. 2, wherein Fig. 1 is a kind of reactive compensation controlling device front view based on OMAP that the utility model proposes, and Fig. 2 is a kind of reactive compensation controlling device front view based on OMAP that the utility model proposes.
As depicted in figs. 1 and 2, a kind of reactive compensation controlling device based on OMAP, comprise: cabinet, be arranged on liquid crystal display, input key, indicator light on front side of cabinet, and the AC being arranged on cabinet inside exchanges tablet, CPU board, input and output plate and DC power panel, described AC exchanges tablet, input and output plate is connected with the input of input key with described CPU board with DC power panel, and described liquid crystal display is connected with the output of indicator light with described CPU board.
See Fig. 3, it is the described CPU board circuit structure diagram that the utility model proposes.
As shown in Figure 3, described CPU board comprises: OMAP processor, ADC sample circuit module, FPGA module, NANDFLASH and DDR2 outer memory module, power module and communication interface modules, described ADC sample circuit module installation is on compensated line to be detected, the output of described ADC sample circuit module connects the input of OMAP processor, the output of described OMAP processor connects FPGA module, described NANDFLASH, DDR2 outer memory module and communication interface modules are connected with the input/output terminal of described OMAP processor, the output of described FPGA module connects relay and indicator light, described power module is that described OMAP processor is powered.
Further, described ADC sample circuit comprises AC and exchanges tablet and DC power panel, and described AC exchanges tablet and connection to be compensated, and the output that described AC exchanges tablet connects DC power panel, and the output of described DC power panel connects OMAP processor.
In the utility model embodiment, the major function of DC power panel is for device provides working power, and provides the On-off signal on 16 tunnels and 2 groups of remote signalling amounts to export, and device is that single 5V powers, and the 5V of power panel exports and is 4A to the maximum, i.e. the maximum 20W of 5V power output.The major function that AC exchanges tablet is responsible for voltage, the magnitude of current to be converted to low-voltage analog signal, and for CPU board sampling, the input of 14 road of acs supported by this plate, comprises 8 road voltages and 6 road electric currents.
In the utility model embodiment, input and output plate is mainly used in the switching value of Gather and input auto levelizer and the output of switching value, device adopts 2 blocks of identical input and output plates, 2 blocks of input and output plates control one section of bus-bar collocation cabinet respectively, only can configure one block of input and output plate only needing the occasion of one section of compensating cabinet.
Further, described communication interface modules comprises 3 road Ethernet interfaces, 2 road RS-485 serial interfaces, 2 road RS-232 printing interface and optical fiber interfaces, and wherein 3 road Ethernet interfaces connect prudential sub-station, local monitoring system and remote monitoring system; Described 2 road RS-485 serial interfaces are for interface when data standard interface and GPS couple, and described 2 tunnel RS-232 interface are printer interface and debugging interface.
In the utility model embodiment; ARM core runs the real time operating system Vxworks of high stability; the human-machine interface functions such as primary responsibility liquid crystal display and input through keyboard; and communicate with prudential sub-station, local monitoring system, remote monitoring system by IEC61850 agreement; DSP core then mainly completes the control of ADC sample circuit, protection algorism, control strategy and Logic judgment, and controls the function such as all kinds of input and output and indicator light display by FPGA module.
Further, described OMAP processor adopts the OMAP-L138 chip with the low-power consumption of DSP+ARM double-core of TexasInstruments company.
In the utility model embodiment, the OMAP-L138 of what described OMAP adopted is TexasInstruments company, has 32 risc processors of the low-power consumption of DSP+ARM double-core, the operational capability of maximum 2400MIPS.
Further, described cabinet is of a size of 154mm × 267mm × 230mm, and described LCDs is of a size of 128mm × 64mm.
In the utility model embodiment; by gathering 2 sections of bus data; according to the state of relevant intake; automatic discrimination goes out operational mode; according to the difference of operational mode, in conjunction with voltage & var control strategy, control 8 groups flexibly and fix the switching of subdivided capacitor or the lifting shelves of 2 voltage-controlled capacitance-adjustable transformers; the function such as when there is measurement, protection, control, alarm, event, display, GPS couple in addition, also by IEC61850 agreement to background communication.
The utility model is by adopting Target-oriented thought design, to ensure fail safe, the reusability of application, control by carrying out management to LCDs, button and communication interface, the information of sample circuit collection is processed, obtain the electrical quantitys such as active power, reactive power and frequency, the operation of electrical quantity to device according to obtaining controls, and according to turnaround of unit, this locality/distant place, automatic/hand open into state, the current operational mode of decision maker, according to plant running mode, run corresponding logic control.
In the utility model embodiment, the inspecting state of device and Non-follow control two kinds of control modes are comparatively simple, without the need to the logic control of complexity.Under the state of a control of a distant place control object choose and corresponding operating is all accept the order that a distant place sends to determine.Under automatic control state, by control strategy computing, provide control object and corresponding operating.
The utility model can meet circuit dispersion compensation and transformer station's centralized compensation two kinds of modes, and control object freely can switch in fixing subdivided capacitor and voltage-controlled capacitance-adjustable transformer.According to the operational objective of setting, automatically regulate the fixing switching of subdivided capacitor or the lifting shelves of voltage-controlled capacitance-adjustable transformer, make circuit operate in optimum state.Simultaneously, accept the order of prudential sub-station and supervisory control system at different levels, switching is forced to fix subdivided capacitor or control the lifting shelves of voltage-controlled capacitance-adjustable transformer, when occurring that reactive requirement is uneven in territory of standing, by optimization and the scheduling of substation, realize the system optimization target within the scope of territory, station, to reduce outside territory, station idle as far as possible imports into.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (5)
1. the reactive compensation controlling device based on OMAP, it is characterized in that, comprise: cabinet, be arranged on the liquid crystal display on front side of cabinet, input key and indicator light, and the AC being arranged on cabinet inside exchanges tablet, CPU board, input and output plate and DC power panel, described AC exchanges tablet, input and output plate is connected with the input of input key with described CPU board with DC power panel, described liquid crystal display is connected with the output of indicator light with described CPU board, described CPU board comprises: OMAP processor, ADC sample circuit module, FPGA module, NANDFLASH and DDR2 outer memory module, power module and communication interface modules, described ADC sample circuit module installation is on compensated line to be detected, the output of described ADC sample circuit module connects the input of OMAP processor, the output of described OMAP processor connects FPGA module, described NANDFLASH, DDR2 outer memory module and communication interface modules are connected with the input/output terminal of described OMAP processor, the output of described FPGA module connects relay and indicator light, described power module is that described OMAP processor is powered.
2. a kind of reactive compensation controlling device based on OMAP according to claim 1, it is characterized in that, described ADC sample circuit comprises AC and exchanges tablet and DC power panel, described AC exchanges tablet and connection to be compensated, the output that described AC exchanges tablet connects DC power panel, and the output of described DC power panel connects OMAP processor.
3. a kind of reactive compensation controlling device based on OMAP according to claim 1, it is characterized in that, described communication interface modules comprises 3 road Ethernet interfaces, 2 road RS-485 serial interfaces, 2 road RS-232 printing interface and optical fiber interfaces, and wherein 3 road Ethernet interfaces connect prudential sub-station, local monitoring system and remote monitoring system; Described 2 road RS-485 serial interfaces are for interface when data standard interface and GPS couple, and described 2 tunnel RS-232 interface are printer interface and debugging interface.
4. a kind of reactive compensation controlling device based on OMAP according to claim 1, is characterized in that, described OMAP processor adopts the OMAP-L138 chip with the low-power consumption of DSP+ARM double-core of TexasInstruments company.
5. a kind of reactive compensation controlling device based on OMAP according to claim 1, it is characterized in that, described cabinet is of a size of 154mm × 267mm × 230mm, and described LCDs is of a size of 128mm × 64mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519955.8U CN204858572U (en) | 2015-07-17 | 2015-07-17 | Reactive compensation controlling means based on OMAP |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519955.8U CN204858572U (en) | 2015-07-17 | 2015-07-17 | Reactive compensation controlling means based on OMAP |
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| CN204858572U true CN204858572U (en) | 2015-12-09 |
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| CN201520519955.8U Active CN204858572U (en) | 2015-07-17 | 2015-07-17 | Reactive compensation controlling means based on OMAP |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655211A (en) * | 2016-12-19 | 2017-05-10 | 中电普瑞科技有限公司 | Coordination control interface device for transformer substation reactive-load compensation equipment |
-
2015
- 2015-07-17 CN CN201520519955.8U patent/CN204858572U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655211A (en) * | 2016-12-19 | 2017-05-10 | 中电普瑞科技有限公司 | Coordination control interface device for transformer substation reactive-load compensation equipment |
| CN106655211B (en) * | 2016-12-19 | 2023-05-26 | 中电普瑞科技有限公司 | Coordination control interface device of reactive compensation equipment of transformer substation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230088 science and technology zone, Hefei, Anhui, No. 90 Patentee after: ANHUI NARI JIYUAN POWER GRID TECHNOLOGY CO., LTD. Address before: 230088 science and technology zone, Hefei, Anhui, No. 90 Patentee before: Anhui Jiyuan Power System Technology Co., Ltd. |