CN106026095A - System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor - Google Patents

System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor Download PDF

Info

Publication number
CN106026095A
CN106026095A CN201610310641.6A CN201610310641A CN106026095A CN 106026095 A CN106026095 A CN 106026095A CN 201610310641 A CN201610310641 A CN 201610310641A CN 106026095 A CN106026095 A CN 106026095A
Authority
CN
China
Prior art keywords
harmonic
data
terminal
things
suppression
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610310641.6A
Other languages
Chinese (zh)
Inventor
毛书凡
王勇
滕明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610310641.6A priority Critical patent/CN106026095A/en
Publication of CN106026095A publication Critical patent/CN106026095A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for AC mains or AC distribution networks
    • H02J3/01Arrangements for reducing harmonics or ripples
    • H02J13/0013
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for AC mains or AC distribution networks
    • H02J3/18Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1864Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/22Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/128Systems 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 involving the use of Internet protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to a system and method for realizing terminal compensation and harmonic suppression by using a dynamic capacitor in a power grid. Harmonic detection and suppression are carried out on a voltage transformer and a current transformer in a terminal; analog signals of all phases of voltages and currents are collected from electrical equipment; a management center carries out processing and calculation on the analog signals to convert the analog signals into digital signals and then carries out separation of all subharmonic component data in a grid, and transmits the voltages, currents, and harmonic data to an internet-of-things gateway and a server center by the internet of things to carry out data interaction; the management center controls a harmonic suppression module based on analysis result to suppress odd harmonics from the third times to the seventeenth times; and an intelligent dynamic capacitor can carry out reactive compensation automatically according to a reactive power change of electrical equipment. According to the system for realizing terminal compensation and harmonic suppression by using a dynamic capacitor, grid harmonic detection and suppression as well as reactive power compensation in a factory distribution system are realized based on the internet of things in a certain electrical area, and the great economic benefits and research value can be created.

Description

Dynamic capacity is utilized to realize the system and method for terminal compensation and harmonics restraint
Technical field
The present invention relates to the system and method utilizing dynamic capacity to realize terminal compensation and harmonics restraint in electrical network, be one Plant Harmonic Detection based on Internet of Things and suppression system, be mainly used in electrical network the harmonics restraint local to electrical equipment With reactive-load compensation.
Background technology
Along with the development of science and technology, commercial production levels and the raising of living standards of the people, non-linear electrical equipment exists Electrical network uses in a large number, causes the proportion that the harmonic component of electrical network accounts for increasing.It not only increases the power supply of electrical network and damages Consumption, and disturb the protection device of electrical network and the properly functioning of automation equipment, cause malfunction and the tripping of these devices, directly Threaten electric power netting safe running.Harmonic pollution electrical network, even if in the case of causing three-phase load in a basic balance, still suffers from bigger neutrality Line current, make the power supply end quality of power supply of power distribution network decline, electrical equipment heating increase, grid line loss increase, user's power transformation The transformator heating stood is serious, shortens service life of equipment.Therefore, for the power quality of three-phase balancing load, due to symmetry Relation even-order harmonic is eliminated, and only odd harmonic exists, the odd harmonic to 3~17 times that non-linear electrical equipment produces Must administer, therefore only 3~17 odd harmonics of suppression, make harmonic component be less than national standard.
The method of present stage harmonic carcellation has:
1, rectifier transformer is set up.2, Transformer Winding uses Y/ △ or △/Y connection.3, the rectification of High Power Factor is selected Device.
These methods are all to concentrate the harmonic wave eliminated in electrical network, and equipment is heavier, safeguard inconvenience, and produce harmonic wave The elimination effect of the Radix Rehmanniae is inconspicuous.At root, do not solve harmonic problem.
Summary of the invention
The purpose of the present invention is exactly to solve Harmonic Detection and suppression problem at terminal electrical equipment, provides for this A kind of system and method utilizing dynamic capacity to realize terminal compensation and harmonics restraint.Collection harmonic detecting, harmonics restraint are one Body, and by Internet of Things, the voltage data of collection, current signal and harmonic data are sent on Internet Server, can Carry out data analysis on the server, determine harmonic wave equipment occurred frequently and generation time and operation of power networks situation at that time, and The odd harmonic suppression controlling harmonic detecting and suppress terminal to carry out 3~17 times, harmonic detecting can also be automatic with suppression terminal Carry out harmonics restraint, while suppression harmonic wave, also carry out reactive-load compensation.
Intelligent vibrating capacitor can be according to the power factor of electrical equipment, and auto linear regulation monomer capacitance is real The technology of existing auto-reactive compensation.Harmonic suppression technique, adjusts inducer and intelligence automatically according to the size of harmonic wave idle component The parameter of type vibrating capacitor is mated, and produces the electric current contrary with harmonic current components vector, thus reaches to suppress this strange The purpose of subharmonic.If the harmonic wave having different odd produces simultaneously, then the corresponding intelligent vibrating capacitor installing equal parts, real Now each odd harmonic of 3~17 times is suppressed.Harmonic wave suppresses to use separately or concurrently to different orders 3~17 times strange Subharmonic detects and suppresses, and relies on intelligent vibrating capacitor to carry out reactive power without compensation differential, smooth.
The present invention for achieving the above object, by the following technical solutions: utilize dynamic capacity to realize terminal compensation harmonious The system of ripple suppression, it is characterised in that: include that harmonic detecting is with suppression terminal, things-internet gateway, server-centric and client eventually End, is added multiple stage harmonic detecting and suppression terminal in electrical network, is joined with server-centric by neighbouring things-internet gateway respectively System, and use technology of Internet of things to gather the big data of electrical network on internet platform, calculate the preferred harmonic suppression parameter of system, control Making each harmonics restraint terminal, client is interacted with server-centric by web browser, when terminal unit is reported to the police, Server-centric can be alarm information pushing to client;
Described harmonic detecting includes with suppression terminal: voltage transformer, current transformer, signaling conversion circuit, administrative center, thing Networking signals input/output module, intelligent dynamic capacity and harmonic rejection module, described administrative center changes with signal respectively Circuit, Internet of Things signal input/output module, intelligent dynamic capacity and harmonic rejection module connect, described voltage transformer, Current transformer is connected with signaling conversion circuit respectively;
Harmonic detecting is mainly responsible for voltage signal and the collection of current signal with suppression terminal and uploads, server complete wink Time reactive power current component calculate so that analyze each harmonic, by gather voltage and current data and the harmonic wave of analysis Data pass to things-internet gateway, carry out the odd harmonic suppression of 3~17 times voluntarily according to analysis result, it is possible to according in server The order that the heart sends carries out harmonics restraint optimal control;
Described things-internet gateway includes: core processor, Internet of Things signal input/output module and internet interface, described core Processor is connected with Internet of Things signal input/output module, internet interface respectively;
Things-internet gateway is mainly responsible for carrying out data communication with harmonic detecting with suppression terminal and server-centric, plays harmonic wave inspection Survey and suppression terminal and the function served as bridge of server centre data exchange;
Server-centric includes: data storage server, user's application server, the webserver and management terminal, data are deposited Storage server mainly stores and receives the electric network data that sent of things-internet gateway and the data result of customer analysis and user sets Putting, the electric network data sent according to terminal electrical equipment is analyzed and controls frequency analysis entering mains by harmonics with suppression emphasis Row suppression.
Utilize the method that dynamic capacity realizes terminal compensation and harmonics restraint, it is characterised in that: step is as follows, harmonic detecting Voltage transformer summation current transformer with suppression terminal, gathers and quality of power supply phase respectively from power network line electrical equipment Close, each phase voltage and the analogue signal of current signal, be converted into the discernible simulation of administrative center by signaling conversion circuit Signal, the analog signal processing of the voltage signal received and current signal is calculated by administrative center again, by analog-signal transitions Become digital signal and be analyzed, analyzing each harmonic component data in electrical network, by Internet of Things signal input/output module Voltage, electric current and harmonic data are transferred to things-internet gateway, and with server-centric data interaction, administrative center is according to dividing simultaneously The odd harmonic of 3~17 times is suppressed by analysis output control harmonic rejection module, the instruction that also can send according to administrative center Odd harmonic is carried out harmonics restraint, when harmonic wave suppresses scope beyond equipment, and administrative center can be to server alert So that related personnel checks, the most intelligent dynamic capacity can carry out idle according to the reactive power change of electrical equipment automatically Compensate;
Server-centric is substantially carried out data storage, data analysis, draws form, reports to the police and produce various data sheet, and leads to Cross analysis harmonic data and operation of power networks state, propose and assign the harmonics restraint parameter of optimization, provide what regional power grid ran Optimisation strategy, thus effectively promote power grid quality and operational energy efficiency, improve the safety of load equipment, and hand over user Mutually, the content of user's inquiry being passed to client terminal by network, client terminal is that the electronics of any integrated web browser sets Standby, mainly carry out data interaction with server-centric, including the information of checking, add information, delete information, revise information.
The present invention has the advantage that compared with existing product technology the harmonic analysis method that product uses is the instantaneous of advanced person Reactive power electric current is theoretical, and no matter in electrical network, whether voltage has distortion all can analyze the harmonic wave of electrical network accurately.
Harmonic detecting is intelligent vibrating capacitor with the core parts of suppression terminal, and it is connected to by things-internet gateway With server-centric communication on the Internet, the suppression that harmonic detecting can be flexible, intelligent with suppression terminal is from grid side or negative The voltage of lotus side generation, current distortion, carry out real-time, dynamic, intelligent, the smooth idle benefit of continuous print to terminal electrical equipment Repay.
Utilize the primary operating parameter of sensor acquisition electric power networks, the transient state reactive power of system-computed collection and harmonic wave Electric current, carries out data analysis to mains by harmonics, and server-centric assigns instruction to harmonic detecting with suppression terminal, adjusts its work Parameter and then optimize the harmonics restraint of system and reactive power compensation planning.Server-centric is responsible for data and is stored, shows, reports to the police and divide Analysis function, and by analyzing harmonic data and operation of power networks state, propose and assign the harmonics restraint parameter of optimization, provide region The optimisation strategy of operation of power networks, thus effectively promote power grid quality and operational energy efficiency, improve the safety of load equipment.
It is also an advantage of the present invention that the method using electrical equipment terminal to measure, more can measure electricity consumption accurately and set The standby harmonic data produced, thus preferably carry out local harmonics restraint and process.And end product volume is little easy for installation, just In maintenance.
It is also an advantage of the present invention that all of frequency analysis and compensate mode and the Internet of Things net of terminal employing Internet of Things Pass carries out networking.So considerably increase the quantity of terminal node in whole network, the networking of single terminal can do arbitrarily adjustment, Change.The smaller and more exquisite power input that can arbitrarily be installed in parallel any one electrical equipment of equipment.
In addition it is also an advantage of the present invention that server-centric uses B/S frame structure, as long as there being web browser merit Can electronic product all can interact with server-centric, user can not by special equipment just can at any time, Place is set up with server and is communicated, and carries out data query, data analysis and the duty of control terminal unit.
In a word, if in certain electricity consumption region, dynamic capacity is utilized to realize the system of terminal compensation and harmonics restraint, based on Internet of Things realizes in factory's distribution system Harmonic Detection and suppression and reactive power compensation, can produce the highest economy Benefit and researching value.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the present invention;
Fig. 2 is that harmonic detecting is connected block diagram with the circuit of suppression terminal;
Fig. 3 is that the circuit of things-internet gateway connects block diagram;
Fig. 4 is the frame diagram of server-centric management software.
Detailed description of the invention
With example, this patent is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 1, utilize dynamic capacity to realize the system of terminal compensation and harmonics restraint, including harmonic detecting with press down Terminal processed, things-internet gateway, server-centric and client terminal, add multiple stage harmonic detecting and suppression terminal in electrical network, point Do not contacted with server-centric by neighbouring things-internet gateway, and use technology of Internet of things to gather electrical network on internet platform Big data, calculate the preferred harmonic suppression parameter of system, control each harmonics restraint terminal, client by web browser with Server-centric interacts, and when terminal unit is reported to the police, server-centric can be alarm information pushing to client.
User can install harmonic detecting and suppression terminal in any one electrical equipment end of incoming cables, and uses many in networking Individual things-internet gateway, uses technology of Internet of things to carry out being grouped networking and connects, and things-internet gateway is transferred to data by the Internet Server-centric.
Harmonic detecting and suppression terminal use distributed arrangement, and every harmonic detecting is only responsible for corresponding with suppression terminal Electrical equipment, follow the tracks of the power quality of equipment at any time.
As in figure 2 it is shown, harmonic detecting includes with suppression terminal: voltage transformer, current transformer, signaling conversion circuit, Administrative center, Internet of Things signal input/output module, intelligent dynamic capacity and harmonic rejection module.
Administrative center respectively with signaling conversion circuit, Internet of Things signal input/output module, intelligent dynamic capacity and humorous Ripple suppression module connects, and described voltage transformer, current transformer are connected with signaling conversion circuit respectively.
Harmonic detecting to suppression terminal mainly the analogue signal relevant with the quality of power supply collected from electrical equipment Being converted into the discernible analogue signal of administrative center by signaling conversion circuit, the analogue signal received is turned by administrative center again Become digital signal to be analyzed, after analyzing electrical network each harmonic component, carry out loopback.Control harmonic rejection module pair simultaneously The odd harmonic of 3~17 times suppresses, and also according to the instruction that administrative center sends, odd harmonic can be carried out harmonics restraint.When Harmonic wave suppresses scope beyond equipment, and administrative center can be to server alert so that related personnel checks, intelligence simultaneously Type dynamic capacity can change according to the reactive power of electrical equipment and automatically carry out reactive-load compensation.
As it is shown on figure 3, things-internet gateway includes: core processor, Internet of Things signal input/output module and the Internet connect Mouthful.
Core processor is connected with Internet of Things signal input/output module, internet interface respectively.
Core processor is responsible for processed material networking gateway data, and Internet of Things signal input/output module is responsible for and harmonic detecting With suppression terminal communication, internet interface is by the Internet and server-centric communication, and internet interface includes wifi and RJ45 Two kinds of communication modes of network interface.
Things-internet gateway is mainly responsible for carrying out data communication with harmonic detecting with suppression terminal and server-centric, plays humorous Ripple detection and suppression terminal and the function served as bridge of server centre data exchange.
Server-centric includes data storage server, user's application server, the webserver and management terminal.
Data storage server mainly stores and receives electric network data and the data of customer analysis that things-internet gateway is sent Result and user setup, the electric network data sent according to terminal electrical equipment is analyzed and controls frequency analysis and suppression weight Mains by harmonics is suppressed by point.
As shown in Fig. 4, server-centric management software block diagram includes: presentation layer 15, Business Logic 16, data cube computation Layer 17 and data base 18 etc..
Presentation layer 15 major function is mutual with user, and releasing inquiry request and display Query Result, specifically refinement can for it It is divided into 3 parts: user operation, interface display and back-stage management.The result returned according to Business Logic 16, carries out every curve Drafting, such as cake chart, Columnar Section Drawing and the generation of various data sheet.And send with suppression terminal according to frequency analysis Warning message make corresponding alarm indicator.
Business Logic 16 major function is to process user to ask, to datalink layer connection request data, to return to presentation layer and look into Ask data.
Datalink layer connection 17 is mainly according to the request of Business Logic, according to conditional search data base, to service logic Layer returns inquiry data.
Data base 18 mainly stores electric network data, customer analysis result and user setup.
Utilizing the method that dynamic capacity realizes terminal compensation and harmonics restraint, step is as follows:
At the power input of each electrical equipment, it is installed in parallel intelligent vibrating capacitor and harmonic detecting and suppression terminal, Harmonic wave during electrical network is analyzed in detection in real time, carries out auto-reactive compensation and harmonics restraint in real time to electrical equipment.
Harmonic detecting and the voltage transformer summation current transformer in suppression terminal, respectively from power network line electrical equipment The each phase voltage relevant to the quality of power supply collected and the analogue signal of current signal, be converted into pipe by signaling conversion circuit The discernible analogue signal in reason center, administrative center is again by the analog signal processing meter of the voltage signal received and current signal Calculate, analog-signal transitions become digital signal and is analyzed, analyzing each harmonic component data in electrical network, pass through Internet of Things Voltage, electric current and harmonic data are transferred to things-internet gateway by signal input/output module, and the data interaction of server-centric, The odd harmonic of 3~17 times is suppressed by administrative center according to analysis result control harmonic rejection module simultaneously, also can basis The instruction that administrative center sends carries out harmonics restraint to subharmonic, when harmonic wave suppresses scope beyond equipment, and administrative center can be to clothes Business device alert is so that related personnel checks, the most intelligent vibrating capacitor can be according to the idle merit of electrical equipment Rate change carries out reactive-load compensation automatically.
Server-centric is substantially carried out data storage, data analysis, draws form, reports to the police and produce various data sheet, And by analyzing harmonic data and operation of power networks state, propose and assign the harmonics restraint parameter of optimization, provide regional power grid fortune The optimisation strategy of row, thus effectively promote power grid quality and operational energy efficiency, improve the safety of load equipment, and enter with user Row is mutual, and the content of user's inquiry is passed to client terminal by network, and client terminal is the electronics of any integrated web browser Equipment, mainly carries out data interaction with server-centric, including the information of checking, adds information, deletes information, revises information.
User can utilize Servers for data analysis to generate data sheet, by the analysis to terminal data, Yong Huke To understand the relevant information such as electric terminal and harmonic wave producing cause.Can find out those device ends produce under what duty Which type of harmonic wave interference raw, can accurately carry out harmonics restraint according to the result analyzed.Warning message according to terminal has pin To property electrical equipment is processed.The trouble that the personnel of eliminating make regular check on, has filled up intelligent grid to local area network The blank of power quality detection, for the Data Detection that the region offer terminal unit that device properties is complicated is real-time.

Claims (2)

1. utilize dynamic capacity to realize the system of terminal compensation and harmonics restraint, it is characterised in that: include harmonic detecting and suppression Terminal, things-internet gateway, server-centric and client terminal, add multiple stage harmonic detecting and suppression terminal, respectively in electrical network Contacted with server-centric by neighbouring things-internet gateway, and it is big to use technology of Internet of things to gather electrical network on internet platform Data, calculate the preferred harmonic suppression parameter of system, control each harmonics restraint terminal, and client passes through web browser and clothes Wu Qi center interacts, and when terminal unit is reported to the police, server-centric can be alarm information pushing to client;
Described harmonic detecting includes with suppression terminal: voltage transformer, current transformer, signaling conversion circuit, administrative center, thing Networking signals input/output module, intelligent dynamic capacity and harmonic rejection module, described administrative center changes with signal respectively Circuit, Internet of Things signal input/output module, intelligent dynamic capacity and harmonic rejection module connect, described voltage transformer, Current transformer is connected with signaling conversion circuit respectively;
Harmonic detecting is mainly responsible for voltage signal and the collection of current signal with suppression terminal and uploads, server complete wink Time reactive power current component calculate so that analyze each harmonic, by gather voltage and current data and the harmonic wave of analysis Data pass to things-internet gateway, carry out the odd harmonic suppression of 3~17 times voluntarily according to analysis result, it is possible to according in server The order that the heart sends carries out harmonics restraint optimal control;
Described things-internet gateway includes: core processor, Internet of Things signal input/output module and internet interface, described core Processor is connected with Internet of Things signal input/output module, internet interface respectively;
Things-internet gateway is mainly responsible for carrying out data communication with harmonic detecting with suppression terminal and server-centric, plays harmonic wave inspection Survey and suppression terminal and the function served as bridge of server centre data exchange;
Server-centric includes: data storage server, user's application server, the webserver and management terminal, data are deposited Storage server mainly stores and receives the electric network data that sent of things-internet gateway and the data result of customer analysis and user sets Putting, the electric network data sent according to terminal electrical equipment is analyzed and controls frequency analysis entering mains by harmonics with suppression emphasis Row suppression.
2. use the method utilizing dynamic capacity to realize terminal compensation and harmonics restraint described in claim 1, it is characterised in that: Step is as follows, and harmonic detecting and the voltage transformer summation current transformer in suppression terminal, respectively from power network line electrical equipment Middle collection is relevant to the quality of power supply, each phase voltage and the analogue signal of current signal, is converted into pipe by signaling conversion circuit The discernible analogue signal in reason center, administrative center is again by the analog signal processing meter of the voltage signal received and current signal Calculate, analog-signal transitions become digital signal and is analyzed, analyzing each harmonic component data in electrical network, pass through Internet of Things Voltage, electric current and harmonic data are transferred to things-internet gateway by signal input/output module, and server-centric data interaction, with Time administrative center control harmonic rejection module according to analysis result the odd harmonic of 3~17 times suppressed, also can be according to pipe The instruction that reason center sends carries out harmonics restraint to odd harmonic, when harmonic wave suppresses scope beyond equipment, and administrative center can be to clothes Business device alert is so that related personnel checks, the most intelligent dynamic capacity can be according to the reactive power of electrical equipment Change carries out reactive-load compensation automatically;
Server-centric is substantially carried out data storage, data analysis, draws form, reports to the police and produce various data sheet, and leads to Cross analysis harmonic data and operation of power networks state, propose and assign the harmonics restraint parameter of optimization, provide what regional power grid ran Optimisation strategy, thus effectively promote power grid quality and operational energy efficiency, improve the safety of load equipment, and hand over user Mutually, the content of user's inquiry being passed to client terminal by network, client terminal is that the electronics of any integrated web browser sets Standby, mainly carry out data interaction with server-centric, including the information of checking, add information, delete information, revise information.
CN201610310641.6A 2016-05-12 2016-05-12 System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor Pending CN106026095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610310641.6A CN106026095A (en) 2016-05-12 2016-05-12 System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610310641.6A CN106026095A (en) 2016-05-12 2016-05-12 System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor

Publications (1)

Publication Number Publication Date
CN106026095A true CN106026095A (en) 2016-10-12

Family

ID=57100579

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610310641.6A Pending CN106026095A (en) 2016-05-12 2016-05-12 System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor

Country Status (1)

Country Link
CN (1) CN106026095A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107015118A (en) * 2017-05-05 2017-08-04 广东正力通用电气有限公司 A kind of supply lines break monitoring system and method
CN107064716A (en) * 2017-05-05 2017-08-18 广东正力通用电气有限公司 A kind of power transmission line break monitoring system and method
CN109524885A (en) * 2019-01-23 2019-03-26 贵州电网有限责任公司 A kind of intelligent low-pressure comprehensive distribution box based on Internet of Things chip wireless communication module
CN109861391A (en) * 2019-01-23 2019-06-07 贵州电网有限责任公司 A kind of intelligent low-pressure comprehensive distribution box management system based on Internet of Things
CN110809034A (en) * 2019-10-23 2020-02-18 南京耐百特智能电气有限公司 Internet of things sensing module of electric power Internet of things system
CN110943539A (en) * 2019-12-11 2020-03-31 厦门理工学院 Electric energy quality monitoring and compensating system based on UPIoT
CN115149530A (en) * 2022-06-08 2022-10-04 国网浙江省电力有限公司嘉兴供电公司 Energy access method for reactive compensation
CN115441452A (en) * 2022-09-22 2022-12-06 费莱(浙江)科技有限公司 Dynamic compensation method and system based on harmonic separation detection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2930052Y (en) * 2006-07-27 2007-08-01 南宁微控技术有限公司 Dynamic reactive power compensator
CN101916093A (en) * 2010-07-26 2010-12-15 秦毅 Energy efficiency management terminal and intelligent electricity consumption and energy efficiency management system consisting of same
CN201754509U (en) * 2010-07-14 2011-03-02 深圳市双合电气股份有限公司 Intelligent low-voltage reactive compensation device
CN102331525A (en) * 2011-06-01 2012-01-25 山东建筑大学 Distributed type on-line harmonic detecting system based on Internet of construction equipment
CN203942332U (en) * 2013-12-30 2014-11-12 武汉理工大学 Distributed electrical energy quality Intellisense and Optimal Management System based on ZigBee networking
CN204361792U (en) * 2015-02-05 2015-05-27 南京大全自动化科技有限公司 Transformers for Rural Networks intelligent terminal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2930052Y (en) * 2006-07-27 2007-08-01 南宁微控技术有限公司 Dynamic reactive power compensator
CN201754509U (en) * 2010-07-14 2011-03-02 深圳市双合电气股份有限公司 Intelligent low-voltage reactive compensation device
CN101916093A (en) * 2010-07-26 2010-12-15 秦毅 Energy efficiency management terminal and intelligent electricity consumption and energy efficiency management system consisting of same
CN102331525A (en) * 2011-06-01 2012-01-25 山东建筑大学 Distributed type on-line harmonic detecting system based on Internet of construction equipment
CN203942332U (en) * 2013-12-30 2014-11-12 武汉理工大学 Distributed electrical energy quality Intellisense and Optimal Management System based on ZigBee networking
CN204361792U (en) * 2015-02-05 2015-05-27 南京大全自动化科技有限公司 Transformers for Rural Networks intelligent terminal

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107015118A (en) * 2017-05-05 2017-08-04 广东正力通用电气有限公司 A kind of supply lines break monitoring system and method
CN107064716A (en) * 2017-05-05 2017-08-18 广东正力通用电气有限公司 A kind of power transmission line break monitoring system and method
CN109524885A (en) * 2019-01-23 2019-03-26 贵州电网有限责任公司 A kind of intelligent low-pressure comprehensive distribution box based on Internet of Things chip wireless communication module
CN109861391A (en) * 2019-01-23 2019-06-07 贵州电网有限责任公司 A kind of intelligent low-pressure comprehensive distribution box management system based on Internet of Things
CN110809034A (en) * 2019-10-23 2020-02-18 南京耐百特智能电气有限公司 Internet of things sensing module of electric power Internet of things system
CN110943539A (en) * 2019-12-11 2020-03-31 厦门理工学院 Electric energy quality monitoring and compensating system based on UPIoT
CN115149530A (en) * 2022-06-08 2022-10-04 国网浙江省电力有限公司嘉兴供电公司 Energy access method for reactive compensation
CN115441452A (en) * 2022-09-22 2022-12-06 费莱(浙江)科技有限公司 Dynamic compensation method and system based on harmonic separation detection

Similar Documents

Publication Publication Date Title
CN106026095A (en) System and method for realizing terminal compensation and harmonic suppression by using dynamic capacitor
CN101750561B (en) Electrical energy quality monitoring and evaluating system
CN105024397B (en) Dynamic simulator system of the offshore wind farm through VSC MTDC transmission of electricity grid-connected systems
CN206144772U (en) Monitoring of long -range efficiency of pump and trouble early warning system
Yildirim et al. FPGA-based online power quality monitoring system for electrical distribution network
CN103400205B (en) A kind of power distribution network energy efficiency management system and method for coordinating control based on idle work optimization
CN204376538U (en) A kind of intelligent distribution transforming runs real-time monitoring system
CN106325252A (en) Multi-level large-span large data oriented power equipment state monitoring and evaluating system
CN103632223A (en) Regional power grid intelligent scheduling early warning system
CN102545212A (en) Electrical energy quality centralized monitoring and auxiliary management decision support system
CN102722851A (en) Multi-data interface comprehensive line loss management system based on intelligent power grid technology
CN102707156A (en) Method for finely and accurately comparing line losses based on smart-grid technology
CN103944265A (en) Interactive and smart electric energy distribution and consumption monitoring device and method
CN109038678A (en) Garden distributed energy intelligence managing and control system based on big data
CN103904780A (en) Node information processor based on low-voltage distribution network
CN206132878U (en) Commercial power electric energy quality remote monitoring device
CN110927447A (en) Multi-core-modularization-based station area six-branch loss monitoring device and monitoring method
CN203366104U (en) Visible monitor and management cabinet for distribution network of company
CN102338835A (en) Power quality dynamic monitoring system
CN103023138A (en) District-county integrated automatic voltage control system
Yenginer et al. A review of energy management systems for smart grids
CN207518272U (en) A kind of low-voltage intelligent idle compensating control
Sun et al. Research on IoT architecture and application scheme for smart grid
CN105262144B (en) A kind of distributed power source optimal dispatch control method of multigroup net form state
CN110649712A (en) Urban power grid operation visual monitoring system based on electricity consumption information acquisition system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161012