CN206834756U - A kind of reactive power compensation system control device based on AT91SAM9X25 processors - Google Patents
A kind of reactive power compensation system control device based on AT91SAM9X25 processors Download PDFInfo
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- CN206834756U CN206834756U CN201720719391.1U CN201720719391U CN206834756U CN 206834756 U CN206834756 U CN 206834756U CN 201720719391 U CN201720719391 U CN 201720719391U CN 206834756 U CN206834756 U CN 206834756U
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- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 14
- 230000004224 protection Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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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 kind of reactive power compensation system control device based on AT91SAM9X25 processors, the housing being made up of front panel and rear shell, the rear shell is cavity structure, its internal setting CPU master control borad；Display screen, load button and indicator lamp are set on the front panel；The side of the housing is provided for the binding post being connected with CPU master control borads；Master controller is set on the CPU master control borads, and be connected with master controller outer memory module, encrypting module, display and input module, open into and output control module, ADC sample circuits module, power module and interface module；The display and input module are connected with display screen and load button, and the input and output control module is with setting input and output control panel to be on the line connected, and the front panel also sets up communication interface, and the communication interface is connected with interface module.The utility model can control the switching of multiple unit capacitor simultaneously and it is protected, and improve power supply quality, reduce line loss.
Description
Technical field
It the utility model is related to high-tension distributing line technical field, and in particular to one kind is based on AT91SAM9X25 processors
Reactive power compensation system control device, specifically to 10kV circuit electric energy quality optimizings, monitored in real time in 10kV distribution lines
The reactive power and voltage change of circuit.
Background technology
With the rapid development of modern industry, the requirement more and more higher to the quality of power supply, appropriate for the installation of 10kV circuits
Reactive power compensator is very important, and can so compensate 10kV distribution lines reactive loss in itself and users' electricity consumption
The idle needs in part of equipment, make it is idle reach balance on the spot as far as possible, to reduce line loss, improve quality of voltage and improve power
Ability is highly beneficial.
At present, existing line reactive compensation controlling device is most use fixed compensation mode, without automatic switching device,
It can be designed with circuit minimum reactive requirement amount, reactive power support can not be effectively provided in load boom period.Current reactive-load compensation
Control technology uses power factor compensation technology more, and part producer uses Reactive Power Control technology, using power factor as foundation
The reactive compensation controlling device compensated, although cheap, power factor error is larger to cause compensation effect universal
It is very poor, belong to superseded row.
Utility model content
The utility model is according to above-mentioned problems of the prior art, there is provided one kind is based on AT91SAM9X25 processors
Reactive power compensation system control device.Specifically to 10kV circuit electric energy quality optimizings, monitored in real time in 10kV distribution lines
The reactive power and voltage change of circuit, the switching of multiple unit capacitor can be controlled simultaneously and it is protected, keep nothing as far as possible
The balance of work(power and voltage, power supply quality is improved, reduce line loss.
To solve the above problems, the technical solution adopted in the utility model is：
A kind of reactive power compensation system control device based on AT91SAM9X25 processors, including：By front panel and rear shell
The housing of composition, the rear shell are cavity structure, its internal setting CPU master control borad；Display screen, input are set on the front panel
Button and indicator lamp；The side of the housing is provided for the binding post being connected with CPU master control borads；On the CPU master control borads
Set master controller, and be connected with master controller outer memory module, encrypting module, display and input module, open into and
Output control module, ADC sample circuits module, power module and interface module；The display and input module and display screen and
Load button is connected, and the input and output control module is connected with setting input and output control panel on the line, it is described before
Plate also sets up communication interface, and the communication interface is connected with interface module.
Further, the master controller uses AT91SAM9X25 processors.
Further, the interface module includes：Ethernet interface for the communication of local and remote monitoring system；Branch
Hold the RS485 standard interfaces during GPRS module pair of RS485 level；Connect for connecting the RS232 printings that printer is printed
Mouthful；Debugging RS232 interface for system debug；The USB interface downloaded for support program, before wherein USB interface is arranged on
On panel.
Further, the RS485 modules and GPRS module by encryption chip by data encryption with the IEC104 of standard
Stipulations and backstage interaction data.
Further, the outer memory module includes NAND FLASH and DDR2 outer memory modules.
Further, the power module is the module that supplies power with double circuit, and duplex feeding power supply is exported by electric pressure converter, its
In all the way power supply be master board, communication module, ADC sample circuits module and display screen power supply, another way is opens into opening
Go out module for power supply.
The beneficial effects of the utility model：
The utility model is mainly used in the switching value and switching value that collection is input to device by input and output control panel
Output, for being detected to its intake, and controls it to output, that is, line bus data is gathered, according to the circuit collected
Electrical parameter, with reference to voltage ＆ var control strategy, flexibly control the switching of multigroup fixed subdivided capacitor.In addition sampled by ADC
Circuit module, display module etc. also have the function such as measurement, protection, control, alarm, event, display, by encrypting module with
IEC104 agreements are to background communication.
The utility model can meet circuit grading compensation, and reactive power compensation system control device can control three group capacitors in real time
Automatic switching and and provide that overvoltage, under-voltage, voltage harmonic transfinite, current harmonics transfinites and 3 segmentation overcurrent protections.According to
The operational objective of setting, the switching of fixed subdivided capacitor is automatically adjusted, circuit is operated in optimum state.Meanwhile receive guarantor
Believe the order of substation and monitoring system at different levels, force switching to fix subdivided capacitor, it is uneven when occurring reactive requirement in region
When, by the optimization and scheduling of substation, the system optimization target in regional extent is realized, reduces the idle biography outside region as far as possible
Enter.
In the reactive power and voltage change of monitoring circuit in real time in 10kV distribution lines, multigroup electric capacity can be controlled simultaneously
The switching of device is simultaneously protected to it, keeps reactive power and the balance of voltage as far as possible, improves power supply quality, reduces circuit damage
Consumption.
Brief description of the drawings
Fig. 1 is a kind of reactive power compensation system control device based on AT91SAM9X25 processors provided by the utility model
Structure chart；
Fig. 2 is the binding post layout structure figure provided by the utility model；
Fig. 3 is the CPU master control borads circuit structure diagram provided by the utility model；
Fig. 4 is specific embodiment application circuit provided by the utility model.
Embodiment
The utility model is further detailed below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 3, wherein Fig. 1 is a kind of circuit based on AT91SAM9X25 processors provided by the utility model
Reactive compensation controlling device structure chart；Fig. 2 is the binding post layout structure figure provided by the utility model；Fig. 3 is this reality
With the CPU master control borads circuit structure diagram of new offer；
As shown in Figure 1 to Figure 3, a kind of reactive power compensation system control device based on AT91SAM9X25 processors, including：
The housing being made up of front panel 1 and rear shell 2, the rear shell 2 are cavity structure, its internal setting CPU master control borad 3；Before described
Display screen 11, load button 12 and indicator lamp 13 are set on plate 1；The side of the housing is provided for being connected with CPU master control borads 3
Binding post 4；Master controller is set on the CPU master control borads 3, and be connected with master controller outer memory module, plus
Close module, display and input module, open into and output control module, ADC sample circuits module, power module and interface module；
The display and input module are connected with display screen 11 and load button 12, and the input and output control module is with being arranged on circuit
On the connection of input and output control panel, the front panel 1 also sets up communication interface 14, and the communication interface 14 connects with interface module
Connect.
The utility model can meet circuit grading compensation, and reactive power compensation system control device can control three group capacitors in real time
Automatic switching and and provide that overvoltage, under-voltage, voltage harmonic transfinite, current harmonics transfinites and 3 segmentation overcurrent protections.According to
The operational objective of setting, the switching of fixed subdivided capacitor is automatically adjusted, circuit is operated in optimum state.Meanwhile receive guarantor
Believe the order of substation and monitoring system at different levels, force switching to fix subdivided capacitor, it is uneven when occurring reactive requirement in region
When, by the optimization and scheduling of substation, the system optimization target in regional extent is realized, reduces the idle biography outside region as far as possible
Enter.
Further, the master controller uses AT91SAM9X25 processors.
Further, the RS485 modules and GPRS module by encryption chip by data encryption with the IEC104 of standard
Stipulations and backstage interaction data.
Further, the outer memory module includes NAND FLASH and DDR2 outer memory modules.
Further, the power module is the module that supplies power with double circuit, and duplex feeding power supply is exported by electric pressure converter, its
In all the way power supply be master board, communication module, ADC sample circuits module and display screen power supply, another way is opens into opening
Go out module for power supply.
Further, the input and output control panel is multiple to be connected respectively from different sections of bus-bar collocation cabinets, to different mothers
Line compensating cabinet is acquired and controlled.
A kind of reactive power compensation system control device volume based on AT91SAM9X25 processors provided by the utility model
Small, precision is high, and anti-interference is high, and reliability is high, safe, simple easily practical, have in circuit the control of reactive power compensating field compared with
Good application prospect.Suitable for the distributing control and protection observing and controlling of the line reactive power compensation equipment of below 10kV voltage class, tool
There are the functions such as measurement, protection, control, alarm, event, display.By RS485 modules inside device and GPRS module with standard
IEC104 stipulations and backstage interaction data, can upload all survey calculation data and logout in real time and receive remote control.
AT91SAM9X25 processors are using the low-power consumption with ARM926EJ kernels of Atmel companies
AT91SAM9X25 chips, the MHz of maximum operational speed 400；Processor is responsible for controlling ADC sample circuits at AT91SAM9X25, adopts
Collect the electrical quantity such as voltage, the electric current of circuit, carry out Fourier calculating, obtain the virtual value of voltage, electric current and line voltage, and calculate
The electric parameters such as active power, reactive power, power factor, frequency.AT91SAM9X25 processors, ANAND FLASH and DDR2
Outer memory module is designed on CPU board.CPU board is the core board of device.
AT91SAM9X25 processors run the real time operating system Linux of high stability, mainly responsible liquid crystal display and key
Disk input, the control of ADC sample circuits, protection algorism, control strategy and logic judgment and by control module control it is all kinds of open into
Output and the function such as show with indicator lamp, and can be communicated by IEC104 agreements with remote monitoring system；
The utility model can meet circuit grading compensation, and reactive power compensation system control device can control three group capacitors in real time
Automatic switching and and provide that overvoltage, under-voltage, voltage harmonic transfinite, current harmonics transfinites and 3 segmentation overcurrent protections.According to
The operational objective of setting, the switching of fixed subdivided capacitor is automatically adjusted, circuit is operated in optimum state.Meanwhile receive guarantor
Believe the order of substation and monitoring system at different levels, force switching to fix subdivided capacitor, it is uneven when occurring reactive requirement in region
When, by the optimization and scheduling of substation, the system optimization target in regional extent is realized, reduces the idle biography outside region as far as possible
Enter.
The housing that the utility model uses sets for state's net private casing that 180mm is wide, 290mm is long, 95mm is high on the housing
It is equipped with the liquid crystal displays of 160 × 160 resolution ratio, 6 user key-press, 6 signal lamps, RS232 debugging interfaces, USB journeys
Sequence updates and file download interface, remote communication module and control module.Include main terminal 41 and auxiliary end for binding post
Son 42, wherein the definition for binding post is shown in Figure 2, including be connected with main control module control interface, 7 tunnel remote signalling
Interface Terminal, the Interface Terminal of two-way 485, three tunnel output control interfaces, alarm interface and spare interface composition, by setting interface
Terminal facilitates circuit connection, and is easy to safeguard.
The interface module includes：Ethernet interface for the communication of local and remote monitoring system；Support RS-485
RS-485 standard interfaces at GPS pairs of level；The RS-232 printing interfaces printed for connecting printer；For system
The debugging RS-232 interface of debugging；The USB interface downloaded for support program, wherein USB interface are drawn in the front side of device.
In the utility model embodiment, 1 road Ethernet interface, the communication for local and remote monitoring system are supported；Branch
2 road RS-485 standard interfaces are held, when supporting GPS pairs of RS-485 level；Support 1 road RS-232 printing interfaces；1 tunnel is supported to debug
RS-232 interface；1 road USB download program mouth is supported, the USB port is drawn in the front panel of device.
The major function of complete machine power module is to provide working power for device, and device 5V, 12V supply power with double circuit, power supply
The 5V outputs of plate are up to 2A, are mainly responsible for CPU board, communication module, sampling module, liquid crystal display power supply；12V is exported
It is up to 0.5A, is mainly responsible for powering to input/output module.
The major function of ADC sampling modules is responsible for voltage, the magnitude of current being converted to low-voltage analog signal, and changes numeral
Signal is supplied to CPU board to do calculating analysis, and the module supports the input of 5 road of acs, including 1 road voltage and 4 road electric currents.
As shown in figure 4, by taking 3 groups of switching capacitances as an example, 10KV circuits pass through the system circuit diagram of the utility model application
Fuse switch is electric with three tunnels respectively respectively at three road capacitor switching circuit connections, three groups of identical input and output control panels
Container switching circuit connects, and input and output control panel is mainly used in the output that collection is input to the switching value and switching value of device,
For being detected to its intake, and control it to output, that is, gather line bus data, joined according to the line electricity collected
Number, with reference to the switching of voltage ＆ var control strategy, flexibly 3 groups of fixation subdivided capacitors of control.In addition ADC sample circuit moulds are passed through
Block, display module etc. also have the functions such as measurement, protection, control, alarm, event, display, are assisted by encrypting module with IEC104
View is to background communication.
The utility model ensures the security of application, reusability, and specific implementation process is：System initialization completes Linux
Operating system is loaded, and the initialization of each functional module is completed according to configuration；CPU master control borads carry out output display to display screen, obtained
The input signal of external key is taken, and realizes the communication with external equipment；Sampled and transmitted by ADC sample circuit modules
Analyzed and processed to obtain the electrical parameters such as active power, reactive power, frequency to CPU master control borads；The operation set according to device
Definite value, electrical parameter, the action object that comprehensive descision demand performs are obtained with reference to sampling and calculation；According to the output knot of control strategy
Fruit, logic control corresponding to operation；Each of which time processing data is stored and recorded in processing procedure, is the later stage
Safeguard that inquiry provides foundation.
The utility model preferred embodiment is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Made a variety of changes on the premise of objective.Many other changes can be made and change by not departing from spirit and scope of the present utility model
Type.It should be appreciated that the utility model is not limited to specific embodiment, the scope of the utility model is limited by appended claims
It is fixed.
Claims (6)
- A kind of 1. reactive power compensation system control device based on AT91SAM9X25 processors, it is characterised in that：Including：By above The housing that plate and rear shell are formed, the rear shell is cavity structure, its internal setting CPU master control borad；Set on the front panel aobvious Display screen, load button and indicator lamp；The side of the housing is provided for the binding post being connected with CPU master control borads；The CPU Master controller is set on master control borad, and outer memory module, encrypting module, display and the input mould being connected with master controller Block, open into and output control module, ADC sample circuits module, power module and interface module；It is described display and input module with Display screen is connected with load button, and input and output control panel of the input and output control module with setting on the line is connected, The front panel also sets up communication interface, and the communication interface is connected with interface module.
- 2. a kind of reactive power compensation system control device based on AT91SAM9X25 processors according to claim 1, it is special Sign is that the master controller uses AT91SAM9X25 processors.
- 3. a kind of reactive power compensation system control device based on AT91SAM9X25 processors according to claim 1, it is special Sign is that the interface module includes：Ethernet interface for the communication of local and remote monitoring system；Support RS485 electricity RS485 standard interfaces during flat GPRS module pair；The RS232 printing interfaces printed for connecting printer；For being The debugging RS232 interface of system debugging；The USB interface downloaded for support program, wherein USB interface are arranged on front panel.
- 4. a kind of reactive power compensation system control device based on AT91SAM9X25 processors according to claim 3, it is special Sign is that the RS485 modules and GPRS module are by encryption chip by data encryption with the IEC104 stipulations of standard and backstage Interaction data.
- 5. a kind of reactive power compensation system control device based on AT91SAM9X25 processors according to claim 1, it is special Sign is that the outer memory module includes NAND FLASH and DDR2 outer memory modules.
- 6. a kind of reactive power compensation system control device based on AT91SAM9X25 processors according to claim 1, it is special Sign is that the power module is the module that supplies power with double circuit, and duplex feeding power supply is exported by electric pressure converter, wherein powering all the way Power supply is master board, communication module, ADC sample circuits module and display screen power supply, and another way is input and output module for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719391.1U CN206834756U (en) | 2017-06-20 | 2017-06-20 | A kind of reactive power compensation system control device based on AT91SAM9X25 processors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719391.1U CN206834756U (en) | 2017-06-20 | 2017-06-20 | A kind of reactive power compensation system control device based on AT91SAM9X25 processors |
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| Publication Number | Publication Date |
|---|---|
| CN206834756U true CN206834756U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720719391.1U Expired - Fee Related CN206834756U (en) | 2017-06-20 | 2017-06-20 | A kind of reactive power compensation system control device based on AT91SAM9X25 processors |
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| Country | Link |
|---|---|
| CN (1) | CN206834756U (en) |
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2017
- 2017-06-20 CN CN201720719391.1U patent/CN206834756U/en not_active Expired - Fee Related
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| 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: 20180102 |