CN110086204A - A kind of electric power energy router interface plug and play implementation method - Google Patents
A kind of electric power energy router interface plug and play implementation method Download PDFInfo
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- CN110086204A CN110086204A CN201910458226.9A CN201910458226A CN110086204A CN 110086204 A CN110086204 A CN 110086204A CN 201910458226 A CN201910458226 A CN 201910458226A CN 110086204 A CN110086204 A CN 110086204A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H02J3/383—
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- H02J3/386—
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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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
-
- 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
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
-
- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of electric power energy router interface plug and play implementation method, be related to electric power energy router uses field.In order to guarantee that reliable access and stable energy exchange, the hard access of reduction power equipment of power equipment are impacted to energy route system bring.Power equipment is realized by electrical energy transformer and 360V DC bus and is connected, bridges a signal coupler at the both ends of electrical energy transformer；It acquires the information of power equipment and establishes the load characteristic library of power equipment；It identifies the power equipment type being currently accessed and obtains the current running state information of power equipment；Power equipment model is extracted from load characteristic library, judges whether power equipment is in malfunction and predicts the running state information of power equipment subsequent time；When non-faulting state, the port parameter of electrical energy transformer is adjusted, so that electrical energy transformer power equipment connected to it realizes indifference linking；When being in malfunction, control electrical energy transformer stops energy transmission.
Description
Technical field
The invention belongs to the uses of the communications field more particularly to electric power energy router.
Background technique
With the development of social economy and the change of energy resource structure, renewable energy, energy storage, electric car etc. are raw in people
Application in work increases rapidly.For the development for adapting to electric system, there has been proposed electric power energy router (the hereinafter referred to as energy
Router) concept, come solve the problems, such as renewable energy and novel load access electric system bring.Energy source router is one
The system of the fusion of a opening, needs support the access of various types power equipment and exits, thus can source router needs be
All kinds of power equipments provide flexile interface.Technology at present in relation to energy source router has the following problems:
(1) mode of traditional load access electric system be energy transmission and and asemantic exchange, cause to connect
Lack necessary information exchange between the equipment and system entered.
(2) access of power equipment and exit and be not able to achieve soft switching, access moment voltage current impact to system
Stability has an impact.
(3) power equipment access procedure need to can source router carry out preparatory configuration work, operation and maintenance at
This height.
Summary of the invention
The present invention is the reliable access and stable energy exchange in order to guarantee power equipment, and also to reduce electric power
The hard access of equipment is impacted to energy route system bring, and it is real now to provide a kind of electric power energy router interface plug and play
Existing method.
A kind of electric power energy router interface plug and play implementation method, comprising the following steps:
Electric power energy router construction step: power equipment is realized by electrical energy transformer and 360V DC bus and is connected
It connects, constitutes the power leg of energy flow, bridge a signal coupler at the both ends of electrical energy transformer, configuration information flowing
Communication leg；
Port Load-Aware step: acquiring the information of power equipment and establishes the load characteristic library of power equipment；
State recognition step: it identifies the power equipment type that electric power energy router is currently accessed and obtains power equipment
Current running state information；
Electric device maintenance and prediction steps: extracting the power equipment model being currently accessed from load characteristic library, will be electric
The information of power equipment is compared with power equipment model, judges whether power equipment is in malfunction and predicts that electric power is set
The running state information of standby subsequent time；
Parameter tuning step:
When power equipment is in non-faulting state, set according to the running state information of power equipment subsequent time and electric power
The port parameter of standby type adjustment electrical energy transformer, so that electrical energy transformer power equipment connected to it realizes indifference linking；
When power equipment is in malfunction, controls the electrical energy transformer connecting with power equipment and stop energy transmission.
In above-mentioned port Load-Aware step the information of power equipment include: voltage, electric current, active power, power factor,
Frequency and accumulative power consumption, extract the load characteristic of each power equipment information, and then establish the load characteristic library of power equipment.
The current running state information of above-mentioned power equipment includes: voltage, electric current, frequency and the power of equipment.
It is above-mentioned when power equipment be distributed generation resource when, adjust the port voltage and maximum power of electrical energy transformer.
Distributed generation resource described above is photovoltaic or blower, when distributed generation resource is photovoltaic, transformation of electrical energy connected to it
Device is unidirectional DC/DC converter, and when distributed generation resource is blower, electrical energy transformer connected to it is unidirectional AC/DC converter.
It is above-mentioned when power equipment be load when, adjust the port power of electrical energy transformer.
Load described above is DC load or AC load, when loading as DC load, transformation of electrical energy connected to it
Device is unidirectional DC/DC converter, and when loading as AC load, electrical energy transformer connected to it is unidirectional DC/AC converter.
Above-mentioned power equipment is energy storage device, and the energy storage device is electric car, battery or super capacitor, and energy storage is set
When for being electric car, electrical energy transformer connected to it is two-way DC/DC converter, and energy storage device is battery or super electricity
Rong Shi, electrical energy transformer connected to it are three port DC/DC converters.
Above-mentioned power equipment is power grid, and electrical energy transformer connected to it is two-way AC/DC converter.
Compared to traditional power equipment access way, a kind of electric power energy router interface proposed in the present invention is inserted
Show at following 4 points with implementation method outstanding advantage:
(1) energy source router device constitutes communication network using power-line carrier communication, eliminates by energy source router
The problem of the complexity of communication line caused by the distributivity of each interface realizes energy transmission integrated with information, safely may be used
It leans on, convenient for extension.
(2) energy router port load Intellisense algorithm and plug and play interface are utilized, may be implemented to access energy
The access of Weigh sensor, positioning, monitoring and the management of the power equipment of source router system, power equipment is not necessarily to many and diverse object
Reason configuration and prior notice, while also can be avoided the link manually configured, reduce the human input of O&M.
(3) energy source router plug and play interface realizes the soft switching of power equipment, on the one hand reduces power equipment
With energy source router Hard link voltage current impact caused by energy route system and power equipment, the steady of system is improved
It is qualitative；On the other hand energy route system and power equipment can be also protected, slows down the aging speed in relation to power electronic devices
Degree, improves the normal use time of equipment.
(4) can source router use the interface of plug and play, greatly facilitate the extension of energy route system with more
The access of more equipment, so that system has stronger scalability, self-healing property and adaptivity.
The present invention realizes the Weigh sensor to power equipment, positioning, monitoring and management, realizes the soft throwing of equipment
It cuts, whole system being made to have with plug and play technique, easy to operate, high-efficient, acquisition data are reliable, dynamic configuration side
Just the advantages that.By plug and play method, the random access of micro battery and load may be implemented and exit, is allowed to both be able to satisfy negative
The demand of lotus can be reduced its influence to micro-capacitance sensor and bulk power grid again, there is important value and wide in energy router applications
Prospect.
Detailed description of the invention
Fig. 1 is the topology diagram of electric power energy router described in specific embodiment one；
Fig. 2 is load Intellisense work flow diagram；
Fig. 3 is a kind of flow chart of electric power energy router interface plug and play implementation method.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of electric power described in present embodiment referring to figs. 1 to 3
Energy router interface plug and play implementation method, comprising the following steps:
Electric power energy router construction step: power equipment is realized by electrical energy transformer and 360V DC bus and is connected
It connects, constitutes the power leg of energy flow, bridge a signal coupler at the both ends of electrical energy transformer, configuration information flowing
Communication leg；
In electric power energy router, power equipment includes distributed generation resource, load, energy storage device and AC network, this
A little power equipments are connected to 360V DC bus by all kinds of electrical energy transformers, collectively form the power network of energy flow；Often
A electrical energy transformer both ends bridge a signal coupler, provide the branch of information flow, as shown in Figure 1.
The interface of electric power energy router mainly includes following 4 class:
(1) distributed electrical source interface
The common distributed generation resource of family includes photovoltaic and blower, and wherein photo-voltaic power supply is connected by unidirectional DC/DC converter
It is connected to DC bus, fan power is linked into DC bus by unidirectional AC/DC converter.
(2 loading interfaces
Electric power energy router needs the load for the common various different powered types of family to provide corresponding interface, main
It to include alternating current 220V loading interfaces and direct current 48V loading interfaces, when loading as DC load, electrical energy transformer connected to it
For unidirectional DC/DC converter, when loading as AC load, electrical energy transformer connected to it is unidirectional DC/AC converter.
(3) energy storage device interface
Energy-storage system plays the function of regulation and the DC bus-bar voltage support of energy flow in electric power energy router
Can, specifically include that electric car, battery and super capacitor；Battery and super capacitor are connect by three port DC/DC converters
Enter DC bus, set function is completed using the characteristic of respective energy storage；Electric car both can be used as load and inhale from system
Receiving energy can energize as power supply to system again, be connect by two-way DC/DC converter with DC bus.
(4) AC network interface
AC electric power systems interface is can such a small energy flow of source router and management system and bulk power grid company
On the one hand the bridge connect, AC network play the role of supporting DC bus-bar voltage, on the other hand realizing can source router and big
Energy exchange between power grid, electrical energy transformer connected to it are two-way AC/DC converter.
After router foundation, start to follow the steps below:
Port Load-Aware step: acquiring the information of power equipment, the information include: voltage, electric current, active power,
Power factor, frequency and accumulative power consumption, then extract the load characteristic of each power equipment information, and then establish power equipment
Load characteristic library.Specifically, can be by selecting each type load most identification and characteristic quantity relatively easy, that error rate is low
Establish the load characteristic library of power equipment.It has established after load characteristic library, when power equipment accesses electric power energy router,
Can the load of acquisition access in real time the information such as voltage, electric current, active power, power factor, frequency and accumulative power consumption, using negative
Lotus intelligent recognition algorithm compares the various characteristic quantities of the load in load and load characteristic to be measured library, additionally it is possible to identify access
The type of load.
State recognition step: the power equipment type that is currently accessed of identification electrical energy transformer and to obtain power equipment current
Running state information, the running state information includes the current voltage of equipment, electric current, frequency and power.
Electric device maintenance and prediction steps: extracting the power equipment model being currently accessed from load characteristic library, will be electric
The information of power equipment is compared with the data in power equipment model, judges whether power equipment is in malfunction and pre-
The running state information of power equipment subsequent time is surveyed, the running state information of the subsequent time includes the change of voltage, electric current
Change trend and variation size, the flow direction of power and size, the variation etc. of power factor.
Parameter tuning step:
When power equipment is in non-faulting state, set according to the running state information of power equipment subsequent time and electric power
The port parameter of standby type adjustment electrical energy transformer, so that electrical energy transformer power equipment connected to it realizes indifference linking.
Make the port parameter (voltage, electric current, frequency, power) of electrical energy transformer with access power equipment subsequent time
Running state information changes automatically, realizes that the indifference of the two is connected by dynamically adjusting.Simultaneously, additionally it is possible to all by integration
The information of port is made dynamic to the strategy of the energy distributing and flowing of entire electric power energy router and is adjusted, runs system
In optimal state.
Specifically, it is current to obtain these power supplys by Intellisense algorithm when photovoltaic, blower distributed plant-grid connection
Electric energy contribute situation, thus adjust electrical energy transformer realize port voltage adjust and MPPT maximum power point tracking.When load accesses
When, the information such as voltage class, watt level and power factor for being loaded by Intellisense algorithm, and then control electric energy and become
The electrical power that parallel operation output and loading demand match.When energy storage device access, current energy storage is perceived by intelligent algorithm
Equipment dump energy, control centre determine to extract energy from energy-storage system according to the energy production and Expenditure Levels of current system
Or to energy-storage system storage energy and energy number.In this way, all kinds of power equipments are in access, in operation and when exiting
The smooth transition that each state is realized by Intellisense algorithm, realizes plug and play.
And when power equipment is in malfunction (or exiting electric power energy router from outside disconnection), load generates
Variation, it will be able to the electrical energy transformer of the power equipment interface connection of failure is adjusted rapidly, stops the transmission of energy,
And entirely energy source router also makes the adjustment of control strategy.
Present embodiment realizes the letter of the power equipment to access energy router by port load Intellisense algorithm
Breath acquisition and automatic identification, judge automatically its whether be successfully accessed, whether failure and real-time operating conditions etc..Based on perceiving
Facility information, control module control electrical energy transformer be access equipment provide suitable electrical energy form (direct current or exchange,
Different voltages grade) and form of energy (absorb energy or energy is provided), so that the equipment be made smoothly to access or exit the energy
Route system realizes plug and play.
Claims (9)
1. a kind of electric power energy router interface plug and play implementation method, which comprises the following steps:
Electric power energy router construction step: power equipment being realized by electrical energy transformer and 360V DC bus and is connected, structure
At the power leg of energy flow, a signal coupler, the communication of configuration information flowing are bridged at the both ends of electrical energy transformer
Branch；
Port Load-Aware step: acquiring the information of power equipment and establishes the load characteristic library of power equipment；
State recognition step: it identifies the power equipment type that electrical energy transformer is currently accessed and obtains the current fortune of power equipment
Row status information；
Electric device maintenance and prediction steps: the power equipment model being currently accessed is extracted from load characteristic library, electric power is set
Standby information is compared with power equipment model, judges whether power equipment is in malfunction and predicts under power equipment
The running state information at one moment；
Parameter tuning step:
When power equipment is in non-faulting state, according to the running state information of power equipment subsequent time and power equipment class
Type adjusts the port parameter of electrical energy transformer, so that electrical energy transformer power equipment connected to it realizes indifference linking；
When power equipment is in malfunction, controls the electrical energy transformer connecting with power equipment and stop energy transmission.
2. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that end
The information of power equipment includes: voltage, electric current, active power, power factor, frequency and accumulative power consumption in mouth Load-Aware step
Amount, extracts the load characteristic of each power equipment information, and then establish the load characteristic library of power equipment.
3. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that electricity
The current running state information of power equipment includes: voltage, electric current, frequency and the power of equipment.
4. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that when
When power equipment is distributed generation resource, the port voltage and maximum power of electrical energy transformer are adjusted.
5. a kind of electric power energy router interface plug and play implementation method according to claim 4, which is characterized in that institute
State distributed generation resource be photovoltaic or blower,
When distributed generation resource is photovoltaic, electrical energy transformer connected to it is unidirectional DC/DC converter,
When distributed generation resource is blower, electrical energy transformer connected to it is unidirectional AC/DC converter.
6. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that when
When power equipment is load, the port power of electrical energy transformer is adjusted.
7. a kind of electric power energy router interface plug and play implementation method according to claim 6, which is characterized in that institute
State load be DC load or AC load,
When load is DC load, electrical energy transformer connected to it is unidirectional DC/DC converter,
When load is AC load, electrical energy transformer connected to it is unidirectional DC/AC converter.
8. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that electricity
Power equipment be energy storage device, the energy storage device be electric car, battery or super capacitor,
When energy storage device is electric car, electrical energy transformer connected to it is two-way DC/DC converter,
When energy storage device is battery or super capacitor, electrical energy transformer connected to it is three port DC/DC converters.
9. a kind of electric power energy router interface plug and play implementation method according to claim 1, which is characterized in that electricity
Power equipment is power grid, and electrical energy transformer connected to it is two-way AC/DC converter.
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| CN110658761A (en) * | 2019-09-27 | 2020-01-07 | 北京四达时代软件技术股份有限公司 | Solar power supply control method and device |
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