CN104104095A - Network reactive compensation system and power grid compensation method - Google Patents
Network reactive compensation system and power grid compensation method Download PDFInfo
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- CN104104095A CN104104095A CN201410351759.4A CN201410351759A CN104104095A CN 104104095 A CN104104095 A CN 104104095A CN 201410351759 A CN201410351759 A CN 201410351759A CN 104104095 A CN104104095 A CN 104104095A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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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- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention is suitable for the field of electrical power system reactive compensation, and provides a network reactive compensation system and a power grid compensation method. The system comprises a reactive compensation device, a data processor, a network controller, access-in equipment and access equipment which are sequentially connected, preferably, the system further comprises a dual-port memory arranged between the data processor and the network controller. The reactive compensation device is provided with a network interface, supports the TCP/IP communication protocol, and is capable of being connected to a computer, a router or a switch through a network cable, and the access equipment located in the same local area network with the device is capable of accessing the device through an IP address by using the own browser, thus simplifying the operation process. The access equipment does not define a specific operation system, does not need to install specific client software, and is capable of simply and rapidly realizing device access and control only through the browser.
Description
Technical field
The invention belongs to power system reactive power compensation field, relate in particular to a kind of reactive compensation of network system and power network compensation method.
Background technology
The measurement index of line voltage generally includes stability, symmetry, sine etc.Along with the expansion of electrical network scale and increasing of number of users, the requirement of the quality of power supply is also being improved constantly.The kind of many modern electronic equipments and function become and become increasingly complex, and quantity is also more and more, and these have all caused and had a strong impact on the quality of electric energy.Wherein the extensive application of various electronic power switch devices and the frequent fluctuation of load are topmost interference sources, have caused a series of harmful effects.In transmission system, problem comprises: the imbalance of voltage and current; Bad stability; Voltage fluctuation easily causes flickering etc.In distribution system, problem comprises: the voltage fluctuation that reactive power imbalance causes; Power factor is lower etc.
Address this problem at present, the method generally adopting is to access Static Type Dynamic Reactive Compensation Device in load place simultaneously, comprises saturable reactor (SR), thyristor-controlled reactor (TCR), thyristor switchable capacitor (TSC), the high reactance transformer of thyristor control (TCT) etc.In these devices, TCR reactive power compensator is due to its response characteristic and being widely used in the industrial electric power system such as iron and steel, metallurgy fast.But traditional TCR reactive power compensator only provides uniset other operating function, be not easy to centralization, the information system management of equipment.The a lot of novel TCR reactive power compensator of exploitation possessed telemonitoring, remote control function in recent years, but special software all need to be installed on remote control computer, and special-purpose software can only move under specific hardware platform and software platform, as special-purpose software can only move under x86 hardware platform and Windows software platform, use and inconvenience.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of reactive compensation of network system and power network compensation method, be intended to solve existing reactive power compensation Managed Solution and use inconvenience, the limited technical problem of environment for use.
On the one hand, described reactive compensation of network system comprises
The reactive power compensator, data processor, network controller, access device and the access means that connect in turn, wherein,
Described access means connects for setting up with it network according to the IP address of access reactive power compensator, and the required operational order of generating run personnel;
Described network controller is for realizing the function of Web server, and on it, operation has network operating system, is built-in with application program corresponding to action required;
Described access device is used for providing local area network (LAN) to connect, and access means is connected to described network controller by described access device;
Described data processor is for gathering the running state information of reactive power compensator and according to the command information receiving, exporting corresponding control command to reactive power compensator;
Described reactive power compensator is for carrying out corresponding reactive power compensation operation according to the control command receiving.
On the other hand, described kind of power network compensation method comprises the steps:
Obtain the IP address of input, and connect by access device, network controller, data processor and reactive power compensator according to described IP address;
Click action according to operating personnel on browser generates corresponding operational order, and described operational order is sent to network controller by described access device;
Network controller is resolved described operational order and is started corresponding application program, and sends command adapted thereto information to described data processor;
Data processor reads described command information and exports corresponding control command to reactive power compensator;
Reactive power compensator is carried out associative operation.
The invention has the beneficial effects as follows: in system of the present invention, reactive power compensator has network interface, by network controller and data processor are set, on the browser of access means that is connected to local area network (LAN), input the IP address of reactive power compensator, can connect with reactive power compensator, in access means, can facilitate to such an extent that carry out relevant control operation, access means does not limit specific operating system, without specific client software is installed, only get final product implement device access and control simple and fast by browser.
Brief description of the drawings
Fig. 1 is the structure chart of the reactive compensation of network system that provides of first embodiment of the invention;
Fig. 2 is the structure chart of the reactive compensation of network system that provides of second embodiment of the invention;
Fig. 3 is a kind of flow chart of the power network compensation method that provides of third embodiment of the invention;
Fig. 4 is the another kind of flow chart of the power network compensation method that provides of third embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
For technical solutions according to the invention are described, describe below by specific embodiment.
embodiment mono-:
Fig. 1 shows the structure of the reactive compensation of network system that the embodiment of the present invention provides, and only shows for convenience of explanation the part relevant to the embodiment of the present invention.
The reactive compensation of network system that the present embodiment provides comprises the reactive power compensator 1, data processor 2, network controller 4, access device 5 and the access means 6 that connect in turn, wherein,
Described access means 6 connects for setting up with it network according to the IP address of access reactive power compensator, and the required operational order of generating run personnel;
Described network controller 4 is for realizing the function of Web server, and on it, operation has network operating system, is built-in with application program corresponding to action required;
Described access device 5 is for providing local area network (LAN) to connect, and access means is connected to described network controller by described access device;
Described data processor 2 is for gathering the running state information of reactive power compensator and according to the command information receiving, exporting corresponding control command to reactive power compensator;
Described reactive power compensator 1 is for carrying out corresponding reactive power compensation operation according to the control command receiving.
In native system, described reactive power compensator is preferably TCR reactive power compensator, and TCR reactive power compensator is due to its response characteristic and being widely used in the industrial electric power system such as iron and steel, metallurgy fast.Concrete, described reactive power compensator comprises the assemblies such as main circuit SCR valve group, reactor, circuit breaker.
Described network controller 4 is realized by ARM chip, mainly realizes Web server function, and HTTP service is provided.On ARM chip, operation has an Embedded network operating system, such as Linux or WindowsCE.There is a JavaWeb environment in operating system deploy, the JavaWeb application program corresponding according to the function weaving of required realization, and move and issue under JavaWeb environment.By the Web server on ARM, the program of the browser that long-range access means only need to be used self on just can long-range operational network controller, when accessing like this reactive power compensator and controlling, be similar to accessed web page, by control link corresponding in click browser, easy to use.
The present embodiment does not limit concrete access means, and browser is installed, and can be computer, mobile phone, panel computer etc.Concrete, by being set, access device sets up local area network (LAN), and described access device can be switch or router, all addressable reactive power compensators of the Lawful access equipment in local area network (LAN).Described reactive power compensator has network interface, supports TCP/IP communications protocol, can is connected to and on computer, router or switch, be realized network and connect by netting twine.Described data processor is realized by DSP, can gather on the one hand the running state information of reactive power compensator, on the other hand, reception comes from the command information of network controller, and export corresponding control command to reactive power compensator accordingly, reactive power compensator is carried out corresponding reactive power compensation operation.
In the time of work, operating personnel open browser at access means end, and input needs the IP address of the reactive power compensator of access, interconnection network connects, then in browser, click hyperlink corresponding to action required and enter related pages, then generate corresponding operational order according to action required, then respectively by network controller, data processor, the final control reactive power compensator of realizing carries out corresponding compensating movement, or obtain the relevant apparatus information that data processor collects, such as work state information etc.
Concrete, described operational order comprises that state checks that instruction, device control command, parameter modification instruction, running log check instruction, waveform recording instruction.
Check instruction for state, enter " unit state " menu by the hyperlink of clicking access means browser page, can check that close/gate-dividing state of device circuit breaker, device open/stop state, the information such as busbar voltage, device electric current, bus current, power factor, thyristor state.
For device control command, enter " device is controlled " menu by clicking the hyperlink of access means browser page, start and stop that can remote control, the operational mode of switching device shifter, as open loop mode, voltage close loop pattern, power factor pattern etc.
For parameter modification instruction, enter " device parameter " menu by the hyperlink of clicking access means browser page, configuration parameter that can modifier, such as IP address, mutual inductor ratio, access authorization license method, protection action parameter etc.
Check instruction for running log, enter " log recording " menu by the hyperlink of clicking access means browser page, can check the log information of device, every log information is made up of daily record time and log event information, and event information can be plant failure code, device start and stop event, external device access event etc.Due to the restriction of memory space, the journal entries number that log recording can retain is limited, and according to the principle of first in first out, when memory space is with after full, the journal entries occurring is the earliest by deleted.
For waveform recording instruction, enter " waveform recording " menu by the hyperlink of clicking access means browser page, the operation information of a period of time equipment can be saved to access means with wave file form.On the page, the variable that need to be recorded is chosen in operation, as busbar voltage, bus current etc., then set the storing path that trigger equipment moves the condition of waveform recording and selects wave file, after completing, press START button, device is waited for after trigger recording condition meets the record variable of choosing is filled to device region of memory, after internal memory is recorded completely, device is packed record data and is sent under the file store path of specifying in access means and preserves, wave file directly with raw data format and adopt txt file form preserve, can use various software instrument to check wave file.
embodiment bis-:
Fig. 2 shows the structure of the reactive compensation of network system that the embodiment of the present invention provides, and only shows for convenience of explanation the part relevant to the embodiment of the present invention.
The reactive compensation of network system that the present embodiment provides comprises reactive power compensator 1, data processor 2, network controller 4, access device 5 and the access means 6 described in embodiment mono-, also comprise the dual-ported memory 3 being arranged between data processor and network controller, described dual-ported memory is mutual for data and signal between data processor and network controller, comprise first area and second area, described first area network controller read-only data processor is only write, and it is read-only that described second area network controller is only write data processor.In order to accelerate read or write speed, described dual-ported memory is two-port RAM.
In order to make the module design of system, between data processor and network controller, function is independent mutually, contact between the two only relies on a two-port RAM to realize, in logic RAM is divided into first area and second area, data processor according to certain frequency by device state information, as busbar voltage effective value, device current effective value, plant failure state etc. is sent to first area, network controller regularly reads this area data, and as required these data are used for showing, log recording or waveform recording, do not allow network controller to carry out write operation to this region, network controller also will install control command and device parameter according to certain frequency, as open/stop order, mutual inductor ratio, protection action parameter etc. and be sent to second area, data processor regularly reads this area data, and regulates the running status of reactive power compensator according to instruction.Do not allow equally data processor to carry out write operation to this region.This design makes the exploitation of data processor and network controller relatively independent, and exploitation is simple, safeguards more convenient.
In addition, in actual applications, because reactive power compensator is generally that on high-voltage fence in parallel, its safe operation is most important.If any equipment can be accessed it by browser page and even manipulated and configure it in network, will bring grave danger to the safety of equipment and electrical network so, therefore must limit access means by authorization mechanism.Therefore as a kind of preferred implementation, described network controller also comprises authority checking module, for the legitimacy of authentication-access equipment, only has in the time that access means is legitimate device, just addressable reactive power compensator.
Here not limiting concrete authorization mode, can be password authorization, MAC Address binding mandate, digital certificate mandate or the combination in any between them.Password authorization refers to could obtain access permission mandate after access means is submitted to the correct username and password of network controller, and network controller carries out username and password checking; The MAC Address that refers to the access means comprising in access request data bag that the webserver need to check that access means sends is authorized in MAC Address binding, and only having could gain access through the equipment of the MAC Address of license; Digital certificate mandate refers to that the access means that this device digital certificate is only installed just can obtain mandate, and digital certificate is provided by the manager of reactive power compensator.Should be the combination of above three kinds of modes in order to improve the access authorization mode of level of security optimum, the holder of username and password be have MAC Address license and be provided with could this reactive power compensator of remote control in the access means of digital certificate.
embodiment tri-:
Fig. 3 shows the flow process of the power network compensation method that the embodiment of the present invention provides, and only shows for convenience of explanation the part relevant to the embodiment of the present invention.
The reactive compensation of network system that the present embodiment method provides based on embodiment mono-and embodiment bis-, described method comprises the steps:
Step S301, obtain the IP address of input, and connect by access device, network controller, data processor and reactive power compensator according to described IP address.
In the IP address of access means end input reactive power compensator, and can set up network with reactive power compensator according to described IP address and be connected.
Step S302, click action according to operating personnel on browser generate corresponding operational order, and described operational order is sent to network controller by described access device.
On the browser interface of access means, have and multiplely operate corresponding operation hyperlink about reactive power compensator, certain hyperlink that operating personnel click wherein enters corresponding control interface, then generate corresponding operational order according to action required, described operational order is sent to network controller, concrete operational order is existing narration in implementing one, repeats no more here.
Step S303, network controller are resolved described operational order and are started corresponding application program, and send command adapted thereto information to described data processor.
Network controller is used for providing Web service function, resolves the operational order receiving and starts corresponding application program according to command protocols, then sends command adapted thereto information to data processor.
Step S304, data processor read described command information and export corresponding control command to reactive power compensator.
Step S305, reactive power compensator are carried out associative operation.
Data processor is exported corresponding control command according to described command information to reactive power compensator, so that reactive power compensator is carried out associative operation, such as switch reactive power compensator operational mode, amendment reactive power compensator parameter, return to wave file, return to the log recording etc. of reactive power compensator.
Check instruction if control command is state, as shown in Figure 4, above-mentioned steps S304, S305 are replaceable is so following step:
Step S306, data processor gather the state information of reactive power compensator according to described command information, and by described status information feedback to network controller;
Step S307, network controller convert described state information corresponding the Internet protocol data to and are back to access means;
Step S308, in access means, demonstrate corresponding information.
In above-mentioned each step, as a kind of preferred implementation, between described data processor and network controller, pass through dual-ported memory interaction data/signal, described dual-ported memory is divided into first area and second area, described first area network controller read-only data processor is only write, and it is read-only that described second area network controller is only write data processor; Described data processor is sent to first area by certain frequency by data/signal, and described network controller regularly reads the data/signal in first area, and carries out corresponding operating; Described network controller is sent to second area according to certain frequency by data/signal, and described data processor regularly reads the data/signal in second area, and carries out corresponding operating.
Last preferred, in order to ensure system safety operation, described step S301 specifically comprises the steps:
Obtain IP address and the device security information of input, and be sent to network controller by access device;
Network controller verifies that whether described device security information is effective;
When effective, connect according to described IP address and reactive power compensator;
Described device security information at least comprises one of password authorization information, MAC Address binding authorization message, digital certificate authorization message.
In this optimal way, network controller need to be verified device security information, comprises password authorization checking, MAC Address binding authority checking, digital certificate authority checking or the combination in any between them.Optimum way is the combination of above three kinds of modes, and the holder of username and password is have MAC Address license and be provided with could this device of remote control on the equipment of digital certificate.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a reactive compensation of network system, is characterized in that, described system comprises the reactive power compensator, data processor, network controller, access device and the access means that connect in turn, wherein,
Described access means connects for setting up with it network according to the IP address of access reactive power compensator, and the required operational order of generating run personnel;
Described network controller is for realizing the function of Web server, and on it, operation has network operating system, is built-in with application program corresponding to action required;
Described access device is used for providing local area network (LAN) to connect, and access means is connected to described network controller by described access device;
Described data processor is for gathering the running state information of reactive power compensator and according to the command information receiving, exporting corresponding control command to reactive power compensator;
Described reactive power compensator is for carrying out corresponding reactive power compensation operation according to the control command receiving.
2. reactive compensation of network system as claimed in claim 1, it is characterized in that, described system also comprises the dual-ported memory of being located between data processor and network controller, described dual-ported memory is mutual for data and signal between data processor and network controller, comprise first area and second area, described first area network controller read-only data processor is only write, and it is read-only that described second area network controller is only write data processor.
3. reactive compensation of network system as claimed in claim 2, is characterized in that, described network controller also comprises authority checking module, for the legitimacy of authentication-access equipment, only has in the time that access means is legitimate device, just addressable reactive power compensator.
4. reactive compensation of network system as claimed in claim 3, is characterized in that, described dual-ported memory is double-port random reference to storage RAM.
5. reactive compensation of network system as described in claim 1-4 any one, is characterized in that, its feature is comprising that with, described operational order state checks that instruction, device control command, parameter modification instruction, running log check instruction, waveform recording instruction.
6. reactive compensation of network system as claimed in claim 5, is characterized in that, described reactive power compensator is thyristor-controlled reactor TCR reactive power compensator.
7. a power network compensation method, is characterized in that, described method comprises:
Obtain the IP address of input, and connect by access device, network controller, data processor and reactive power compensator according to described IP address;
Click action according to operating personnel on browser generates corresponding operational order, and described operational order is sent to network controller by described access device;
Network controller is resolved described operational order and is started corresponding application program, and sends command adapted thereto information to described data processor;
Data processor reads described command information and exports corresponding control command to reactive power compensator;
Reactive power compensator is carried out associative operation.
8. power network compensation method as claimed in claim 7, is characterized in that, described method also comprises:
Data processor gathers the state information of reactive power compensator according to described command information, and by described status information feedback to network controller;
Network controller converts described state information corresponding the Internet protocol data to and is back to access means;
In access means, demonstrate corresponding information.
9. power network compensation method as described in claim 7 or 8, it is characterized in that, between data processor and network controller, pass through dual-ported memory interaction data/signal, described dual-ported memory is divided into first area and second area, described first area network controller read-only data processor is only write, and it is read-only that described second area network controller is only write data processor; Described data processor is sent to first area by certain frequency by data/signal, and described network controller regularly reads the data/signal in first area, and carries out corresponding operating; Described network controller is sent to second area according to certain frequency by data/signal, and described data processor regularly reads the data/signal in second area, and carries out corresponding operating.
10. power network compensation method as claimed in claim 9, is characterized in that, described in obtain the IP address of input, and according to described IP address by access device, network controller, data processor and the reactive power compensator step that connects, specifically comprise:
Obtain IP address and the device security information of input, and be sent to network controller by access device;
Network controller verifies that whether described device security information is effective;
When effective, connect according to described IP address and reactive power compensator;
Described device security information at least comprises one of password authorization information, MAC Address binding authorization message, digital certificate authorization message.
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