CN109921433A - A kind of high-voltage intelligent reactive compensation system and its compensation method - Google Patents
A kind of high-voltage intelligent reactive compensation system and its compensation method Download PDFInfo
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- CN109921433A CN109921433A CN201910127999.9A CN201910127999A CN109921433A CN 109921433 A CN109921433 A CN 109921433A CN 201910127999 A CN201910127999 A CN 201910127999A CN 109921433 A CN109921433 A CN 109921433A
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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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The present invention relates to a kind of electric system device more particularly to a kind of high-voltage intelligent reactive compensation system and its compensation methodes;It further include background server, communication unit and at least one intelligent controlling device including compensating branch;Background server is connect with intelligent controlling device by wireless communication unit, and background server obtains the measurement data of intelligent controlling device transmission and controls intelligent controlling device;The technical program, by increasing Internet of Things, provides GPRS communication, realizes the technical effect of Strategy Auto optimization and real-time compensation effect monitoring in the case where the function of existing idle compensating control is constant.
Description
Technical field
The present invention relates to a kind of electric system device more particularly to a kind of high-voltage intelligent reactive compensation system and its compensation sides
Method.
Background technique
Electricity needs is continued to increase in the development of society, more stringent requirements are proposed to electric power enterprise for power consumer,
On the one hand to guarantee the safety and reliability of power grid itself, and reduce reactive loss as far as possible, improve operation of power networks economy;
On the other hand, meet requirement of the user to electric energy high quality.It is this that contradictory there are inevitable requirements to introduce new technology to improve
Power quality improves the intelligent level of power grid itself.Reactive power optimization of power system is to guarantee security of system, stability, warp
Ji property, the important measures for reducing network active loss, improving power quality.
But it is directed to the transformer and civilian unloaded underloading transformer of production intermittent duty, there is unloaded and underloading fortune
Row section, in this section, running current is small, and active and reactive power is all small, and the single channel compensation capacity of reactive compensation cabinet is greater than
The idle amount of network system, compensating cabinet will not be put into.
And since transformer itself can also generate idle, in addition system is idle, idle amount is opposite in high pressure measurement
More larger than regular meeting in active amount, power factor also can be lower, and penalty of power co-efficient is relatively just very big.This problem is generally existing, still
It is difficult thoroughly to solve, many enterprise's residential electricity consumption system long-term existence penalty of power co-efficient cause waste of energy and extra charge branch
Out.
Summary of the invention
For the technical problem more than solving, the present invention provides a kind of high-voltage intelligent reactive compensation system and its compensation sides
Method.
The present invention is implemented as follows:
A kind of high-voltage intelligent reactive compensation system, including compensation branch, further include background server, communication unit and at least
One intelligent controlling device;Background server is connect with intelligent controlling device by wireless communication unit, and background server obtains
The measurement data of intelligent controlling device transmission simultaneously controls intelligent controlling device.
Further, background server include data processing unit, Data Management Unit, report generation and administrative unit and
Data file management and playback unit;Data processing unit is used for for handling measurement data, Data Management Unit by the survey
Amount data are saved in database and operate to the data in database, and report generation and administrative unit are by measurement data
Processing result is generated as report, data file management and pays a return visit unit the processing result of measurement data is generated as normative document.
Further, intelligent controlling device includes processing unit, data acquisition module and relay module;Data acquisition module
Block is for acquiring electric network information data, and processing unit is for handling the data of acquisition and controlling the defeated of relay module
Out.
Further, information acquisition module includes measuring unit.
Further, measuring unit includes an at least gain amplifier, at least two delta sigma analog-digital converters and power meter
Calculate module;Gain amplifier obtains measured electric network information data by register mode, and electric network information data are transmitted
Analog-to-digital conversion is carried out to delta sigma analog-digital converter, then sends data to power computation module and is handled.
Further, wireless communication unit includes GPRS communication unit.
A kind of high-voltage intelligent reactive-load compensation method, method are that background server receives and processes intelligent controlling device measurement
Electric network information data, and send a command to intelligent controlling device, intelligent controlling device is carried out according to order by compensation branch
Reactive compensation output.
Further, background server receives electric network information data by wireless communication module and issues name.
Further, the method that background server handles the electric network information data are as follows: database management unit will count
According to saving into database, data processing module analyzes the data in database, passes through report generation and administrative unit
Analysis result is generated into table, data file management and return visit unit will analyze result and generate normative document.
Further, the method for the reception and order of electric network data issued is that data or order are transmitted to net by base station
Supporting node is closed, gateway support node handles data or order.
Above scheme the utility model has the advantages that
The technical program, by increasing Internet of Things, is provided in the case where the function of existing idle compensating control is constant
GPRS communication realizes the technical effect of Strategy Auto optimization and real-time compensation effect monitoring.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is inventive method flow logic schematic diagram.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
A kind of high-voltage intelligent reactive compensation system is present embodiments provided, it further includes that backstage takes that system, which includes compensation branch,
Business device, communication unit and at least one intelligent controlling device.Wherein background server passes through wireless communication unit and intelligent control
Device is attached, and the measurement data for obtaining intelligent controlling device transmission, and is controlled intelligent controlling device.
In the present embodiment, intelligent controlling device includes processing unit, data acquisition module and relay module;In this reality
It applies processing unit in example and uses digital signal processor, information acquisition module uses measuring unit, that is, signal pickup assembly.
Digital signal processor uses dsp chip, and communication mode is to pass through Modbus-RTU agreement based on RS-485 module
Data register and control register are written and read, realize that data upload and instruction issues.
In the present embodiment, signal pickup assembly includes voltage transformer, current transformer, precision resistance and measurement core
Piece, wherein measurement chip is to be integrated with the chip of at least one gain amplifier and at least two delta sigma analog-digital converters.Voltage
Mutual inductor is for measuring information of voltage, and for current transformer for measuring current information, voltage transformer and current transformer are common
Effect is after being transported to collected voltage and current signals and being transported to level lifting circuit after signal amplifier amplifies
It is input to filter circuit and carries out signal filtering, be finally-transmitted at measurement chip.
In the present embodiment, measurement chip can obtain measured instantaneous voltage, voltage and current by register mode
Virtual value has for electric energy, reactive energy, mean power factor.
Background server includes data processing unit, Data Management Unit, report generation and administrative unit in the present embodiment
With data file management and return visit unit.
Data processing unit: measurement data is analyzed and processed.Analysis in the present embodiment is main are as follows: such as sample frequency
It is 1 hour, then can carries out automatic look-up table calculating according to nearest one hour mean power and the on-site parameters of setting, obtaining should
The capacitance of investment, that is, corresponding capacitor lines, and generate switching instruction.
Database management unit: apply SQL and database linking techniques, realize data link, and realize data preservation,
The operations such as display, modification and deletion.
Report generation and administrative unit: generate EXCEL report, realize report generation data sheet generate, and to its into
Row management operation.
Data file management and return visit unit: the various data of acquisition and failure wave-recording are saved, electric power is converted into
System standard document, and be managed.
Wireless communication unit in the present embodiment includes GPRS communication unit, and background server utilizes " GPRS wireless telecommunications
Network " calls the information data of intelligent controlling device measurement, can be realized completion by GPRS wireless communication networks and is monitored
And control, realize unattended technical effect.
The transmitting-receiving of GPRS wireless network data packet in the technical program passes through serial mode street intelligence based on terminal device
It can control on device and communicated with the base station GSM, GPRS data grouping is to be sent to SGSN node, SGSN and gateway from base station
Supporting node GGSN is communicated, and GGSN performs corresponding processing packet data, re-sends to purpose network.
Embodiment two
The present invention also provides a kind of a kind of compensation method based on high-voltage intelligent reactive compensation system, methods are as follows:
Background server receives and processes the electric network information data of intelligent control module measurement by GPRS module;
Control command is sent to intelligent control module by GPRS module according to electric network information data by background server;
Intelligent control module is based on equipment situation according to control command and carries out reactive compensation output.
Wherein, the method for the electric network information data of background server processing intelligent controlling device measurement are as follows:
Database management unit application SQL and database link method realize data link, the information data that will be received
It is saved in database, and the data in database is operated;
Data processing module needs that database is called to carry out processing analysis according to user;
Result after Data Management Analysis is generated Excel data sheet by report generation and administrative unit;
Data file management and return visit unit use node technology, and the result after the data of acquisition and processing analysis is generated
Normative document.
Refering to 1, intelligent apparatus control method provided in this embodiment is as follows:
By sending instructions under server, the numerical value of active energy and reactive energy is read, intelligent controlling device replys service
The instruction of device, content is corresponding numerical information, and calculates power factor by formula, and formula is as follows:
Wherein P is active energy, Q is reactive energy, and Pf is power factor.
Total value and analysis are carried out based on field device capacity and capacitance and the power factor data of acquisition, is mended
Repay demand.
Such as: 7:00-8:00 period, the active energy variable quantity obtained by measurement chip with register mode and idle
Power change amount, it is 0.8 that power factor, which is calculated,.
Separately by control field device, totally 4 road capacitor, capacity are respectively 1kVar, 2kVar, 4kVar, 8kVar.
In the present embodiment, it according to the parameter set in system, transformer capacity 200kVar and power factor 0.8, obtains
Need to put into 10kVar capacitor.Put into 2 tunnels, this two-way capacitor of 4 roads.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high-voltage intelligent reactive compensation system, including compensation branch, which is characterized in that further include background server, communication
Unit and at least one intelligent controlling device;The background server is connect with intelligent controlling device by wireless communication unit,
Background server obtains the measurement data of intelligent controlling device transmission and controls intelligent controlling device.
2. high-voltage intelligent reactive compensation system according to claim 1, which is characterized in that the background server includes number
According to processing unit, Data Management Unit, report generation and administrative unit and data file management and pay a return visit unit;At the data
Reason unit is for handling measurement data, and the measurement data for being saved in database and to institute by the Data Management Unit
The data stated in database are operated, and the processing result of the measurement data is generated as by the report generation and administrative unit
The processing result of the measurement data is generated as normative document by report, the data file management and return visit unit.
3. high-voltage intelligent reactive compensation system according to claim 1, which is characterized in that the intelligent controlling device includes
Processing unit, information acquisition module and relay module;The data acquisition module is for acquiring electric network information data, the place
Reason unit is used to handle the data of the acquisition and control the output of relay module.
4. high-voltage intelligent reactive compensation system according to claim 3, which is characterized in that the information acquisition module includes
Measuring unit.
5. high-voltage intelligent reactive compensation system according to claim 4, which is characterized in that the measuring unit includes at least
One gain amplifier, at least two delta sigma analog-digital converters and power computation module;The gain amplifier passes through register side
Formula obtains measured electric network information data, and electric network information data are transferred to delta sigma analog-digital converter and carry out analog-to-digital conversion,
The power computation module is sent data to again to be handled.
6. high-voltage intelligent reactive compensation system according to claim 1, which is characterized in that the wireless communication unit includes
GPRS communication unit.
7. a kind of high-voltage intelligent reactive-load compensation method, which is characterized in that based on backstage described in any one of claim 1~6
Server receives and processes the electric network information data of the intelligent controlling device measurement, and sends a command to intelligent controlling device,
The intelligent controlling device carries out reactive compensation output by compensation branch according to order.
8. high-voltage intelligent reactive-load compensation method according to claim 7, which is characterized in that the background server passes through nothing
Line communication module receives electric network information data and issues name.
9. high-voltage intelligent reactive-load compensation method according to claim 7, which is characterized in that the background server handles institute
The method for stating electric network information data are as follows: the database management unit saves data into database, the data processing
Module analyzes the data in the database, will analyze result by report generation and administrative unit and generate table, institute
Result generation normative document will be analyzed by stating data file management and paying a return visit unit.
10. high-voltage intelligent reactive-load compensation method according to claim 8, which is characterized in that the reception of the electric network data and
The method of order issued is that data or order are transmitted to gateway support node by base station, and gateway support node is to data or life
Order is handled.
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Citations (1)
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CN103124071A (en) * | 2011-11-18 | 2013-05-29 | 北京赤那思电气技术有限公司 | On-line monitoring allowable intelligent high voltage reactive power compensation device |
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CN103124071A (en) * | 2011-11-18 | 2013-05-29 | 北京赤那思电气技术有限公司 | On-line monitoring allowable intelligent high voltage reactive power compensation device |
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