CN206099356U - Smart power grids power control unit and system - Google Patents
Smart power grids power control unit and system Download PDFInfo
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- CN206099356U CN206099356U CN201620679164.6U CN201620679164U CN206099356U CN 206099356 U CN206099356 U CN 206099356U CN 201620679164 U CN201620679164 U CN 201620679164U CN 206099356 U CN206099356 U CN 206099356U
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- 238000004146 energy storage Methods 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 3
- 230000001953 sensory effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
-
- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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Abstract
The utility model discloses a smart power grids power control unit and system. The device is including the integrative unit of power control element, high -speed synchronizing data bus and a plurality of sensory control, power control element all realizes data interconnection through high -speed synchronizing data bus with the integrative unit of a plurality of sensory control. The utility model relates to an install in the sense integrative general unit of accuse and the high -speed synchronous data acquisition and the technological little electric wire netting real -time power controller of communication bus at scene based on the distributing type, the energy management of the little electric wire netting of mainly used through frequency control and the control to distributing type electricity generation (like the photovoltaic), energy storage and load, realizes little electric wire netting energy balance. When little electric wire netting is incorporated into the power networks with main electric wire netting, the utility model discloses but wide application in various smart power grids power control systems.
Description
Technical field
This utility model is related to electrical network and supplies electrical domain, more particularly to a kind of grid power control device and system.
Background technology
In intelligent grid process of construction, intelligent micro-grid is the inexorable trend of development, since particularly new electricity changes, for
The demand of intelligent micro-grid is increasing.One of key technology of intelligent micro-grid is exactly the work(under stabilization of power grids constraints
Control stable equilibrium of rate, the real-time of this control is the key in key.Existing microgrid power control technology is relied on
Be distributed data acquisition and serial communication obtains the data after calculating is processed, by generating electricity prediction and load power is predicted not
It is disconnected that micro-grid system power is adjusted, due to distributed data acquisition, the time that is required for for processing and communicating is calculated, it is this
The real-time of adjustment is poor, can not meet sale of electricity to power curve flatness demand, also can not meet user steady to micro-capacitance sensor
Qualitatively require.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide that a kind of real-time is good, be conducive to electrical network work(
The control device and system of rate stable regulation.
The technical scheme adopted by this utility model is：
A kind of intelligent grid output control device, including power control unit, high-speed synchronous data bus and multiple biographies
Sensing control integrated unit, the power control unit pass through high-speed synchronous data bus reality with multiple sensing control integrated units
Existing data interconnection.
Preferably, the high-speed synchronous data bus is the Ethernet data bus being made up of fiber optic network.
Preferably, the sensing control integrated unit includes measuring subelement and control subelement, the measurement subelement
For gathering power data, the control subelement is used to realize input or output according to from power control unit control instruction
Power Control.
Preferably, the measurement subelement includes current transformer and voltage transformer.
Preferably, the sensing control integrated unit is connected with energy storage PCS, the sensing control integrated unit and energy storage
PCS constitutes energy storage power control unit.The sensing control integrated unit is connected with photovoltaic DC-to-AC converter, the sensing control one
Unit constitutes generated output control unit with photovoltaic DC-to-AC converter.The sensing control integrated unit is connected with converter, the biography
Sensing control integrated unit constitutes load power control unit with converter.
Preferably, the power control unit also include correspondence with foreign country subelement, the correspondence with foreign country subelement for
External device communication connects.
A kind of intelligent grid power control system, including intelligent grid output control device and external equipment, the intelligence
Grid power control device is connected with external device communication by correspondence with foreign country subelement.
Preferably, the external equipment is host computer and/or generating prognoses system.
The beneficial effects of the utility model are：
The present invention is a kind of based on the distributed sensing control one GU Generic Unit and high-speed synchronous data acquiring for being installed on scene
With the micro-capacitance sensor realtime power controller of communication bus technologies, it is mainly used in the energy hole of micro-capacitance sensor, by distributed
Electricity（Such as photovoltaic）, energy storage and load power adjustments and control, realize that microgrid energy is balanced.It is grid-connected with main electrical network in micro-capacitance sensor
During operation, power controller realizes the realtime power control of micro-capacitance sensor with the interactive power for giving；When micro-capacitance sensor off-grid runs,
Power controller realizes the balance control of power under voltage and frequency stable constraint.
This utility model can be widely applied to various intelligent grid power control systems.
Description of the drawings
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further：
Fig. 1 is a kind of networking structure schematic diagram of embodiment of this utility model；
Fig. 2 is a kind of enforcement structural representation of embodiment of this utility model.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.
As shown in figure 1, a kind of intelligent grid output control device, including power control unit, high-speed synchronous data bus
And multiple sensing control integrated units, the power control unit is with multiple sensing control integrated units by high-speed synchronous
Data/address bus realizes data interconnection.
A kind of intelligent grid power control system, including intelligent grid output control device and external equipment, the intelligence
Grid power control device is connected with external device communication by correspondence with foreign country subelement.The external equipment is host computer
And/or generating prognoses system.
1 composition and working principle of power control unit in the embodiment is explained in detail below.
Power control unit 1 is connected with High Speed Synchronous Bus 3, and 2 Measurement portion of take-up unit point is published to the electric current in bus 3
Voltage synchronous are just sampled value information；
Power control unit 1 is connected with High Speed Synchronous Bus 3, issues control instruction information to particular address by bus 3
Unit 2, power adjustments control is realized by its control unit and associated adjustment equipment communication；
The power control unit 1 also includes correspondence with foreign country subelement, and the correspondence with foreign country subelement is for setting with outside
Standby communication connection.
Power control unit 1 is obtained micro-capacitance sensor with host computer communication connection and performance number scheduling letter is interacted with main electrical network
Breath；
Power control unit 1 is communicated with coupling with generating prognoses system and obtains distributed power source power prediction information；
Power control unit 1 is made such as making policy decision and control according to information above：
When micro-capacitance sensor is incorporated into the power networks with main electrical network, the interactive power given with host computer realizes the realtime power of micro-capacitance sensor
Control；
P = ∑Pl-∑Pdg-∑Pse；
Wherein,
P interacts power with main electrical network for micro-capacitance sensor；
PlFor load power；
PdgFor distributed power generation power；
PseFor distributed energy storage power, it is stipulated that output is for just, absorbed power is negative；
When micro-capacitance sensor off-grid runs, under voltage and frequency stable constraint, the balance control of power is realized.
∑Pdg = ∑Pl -∑Pse；
Preferably, the sensing control integrated unit includes measuring subelement and control subelement, the measurement subelement
For gathering power data, the control subelement is used to realize input or output according to from power control unit control instruction
Power Control.
Preferably, the measurement subelement includes current transformer and voltage transformer.
Preferably, the sensing control integrated unit is connected with energy storage PCS, the sensing control integrated unit and energy storage
PCS constitutes energy storage power control unit.The sensing control integrated unit is connected with photovoltaic DC-to-AC converter, the sensing control one
Unit constitutes generated output control unit with photovoltaic DC-to-AC converter.The sensing control integrated unit is connected with converter, the biography
Sensing control integrated unit constitutes load power control unit with converter.
The composition and working principle of the sensing control integrated unit 2 in the embodiment is explained in detail below.
Sensing control integrated unit 2 includes that the current transformer and voltage transformer at scene is connected, and is measurement subelement, real
Existing data high-speed collection, per cycle（20ms）Sample 32 points to 256 points it is adjustable, sampled data is transferred directly to high-speed synchronous data
Bus 3；
Sensing control integrated unit 2 and adjacent cells（Power control unit or sensing control integrated unit）By same at a high speed
Step data bus 3 carries out sample-synchronous communication, and sample-synchronous precision is better than 20 microseconds；
Sensing control integrated unit 2 and field apparatus（Relay, converter, the two-way PCS of energy storage or photovoltaic DC-to-AC converter etc.）
It is connected, to its real-time data collection, it is also possible to cancel the sample circuit of the equipment；
Sensing control integrated unit 2 can directly perform the control instruction that high-speed synchronous data bus 3 sends and perform control
System adjusts power, and control object can be relay, converter, the two-way PCS of energy storage or photovoltaic DC-to-AC converter.
3 composition and working principle of high-speed synchronous data bus in the embodiment is explained in detail below.
The high-speed synchronous data bus is the Ethernet data bus being made up of fiber optic network, and its characteristic is ring network
Network, with high-speed transfer, data lossless, LINK RECONFIGURATION spontaneous recovery feature, it and all power control units and sensing control are integrally
Unit is joined directly together, and is mainly used in the transmission of sample values and control instruction data.
As shown in Fig. 2 in this example, sensing control integrated unit 2 is communicated with energy storage PCS, constitutes energy storage Power Control
Unit, energy storage PCS are connected with energy-storage battery, and energy storage PCS can be according to sampled value sensing control integrated unit 2 at common node
Sample values, carry out power calculation, and carry out Power Control, output or absorption according to the instruction of power control unit 1
Power, output or the watt level for absorbing can change in real time.
Sensing control integrated unit 2 is communicated with photovoltaic DC-to-AC converter, constitutes generated output control unit, photovoltaic DC-to-AC converter connection
There is photovoltaic module, photovoltaic DC-to-AC converter can be carried out according to the sample values of sensing control integrated unit 2 of sampling at common node
Power calculation, and generated output control is carried out according to the instruction of power control unit 1, its output power is little can be as needed
Adjust and change.
Sensing control integrated unit 2 is communicated with converter, constitutes load power control unit, and converter is connected with electronic
Machine, converter can carry out power calculation according to the sample values of sensing control integrated unit 2 of sampling at common node, and
Load power regulation is carried out according to the instruction of power control unit 1, its size is fitted under the restriction of process conditions or ambient parameter
Work as change.Obviously, sensing control integrated unit 2 can also be that other load equipment ancylostomes meet power control unit.
The present invention is a kind of based on the distributed sensing control one GU Generic Unit and high-speed synchronous data acquiring for being installed on scene
With the micro-capacitance sensor realtime power controller of communication bus technologies, it is mainly used in the energy hole of micro-capacitance sensor, by distributed
Electricity（Such as photovoltaic）, energy storage and load power adjustments and control, realize that microgrid energy is balanced.It is grid-connected with main electrical network in micro-capacitance sensor
During operation, power controller realizes the realtime power control of micro-capacitance sensor with the interactive power for giving；When micro-capacitance sensor off-grid runs,
Power controller realizes the balance control of power under voltage and frequency stable constraint.
This utility model can be widely applied to various intelligent grid power control systems.
It is more than that preferable enforcement of the present utility model is illustrated, but the invention is not limited to the reality
Example is applied, those of ordinary skill in the art on the premise of without prejudice to this utility model spirit can also make a variety of equivalents and become
Shape or replacement, the deformation or replacement of these equivalents are all contained in the application claim limited range.
Claims (10)
1. a kind of intelligent grid output control device, it is characterised in that including power control unit, high-speed synchronous data bus with
And multiple sensing control integrated units, the power control unit is with multiple sensing control integrated units by high-speed synchronous number
Data interconnection is realized according to bus.
2. intelligent grid output control device according to claim 1, it is characterised in that the high-speed synchronous data bus
It is the Ethernet data bus being made up of fiber optic network.
3. intelligent grid output control device according to claim 1 and 2, it is characterised in that the sensing control one
Unit includes measuring subelement and control subelement, and the measurement subelement is used to gather power data, the control subelement
Input or output power are realized from power control unit control instruction for basis.
4. intelligent grid output control device according to claim 3, it is characterised in that the measurement subelement includes electricity
Current transformer and voltage transformer.
5. intelligent grid output control device according to claim 4, it is characterised in that the sensing control integrated unit
Energy storage PCS is connected with, the sensing control integrated unit constitutes energy storage power control unit with energy storage PCS.
6. intelligent grid output control device according to claim 4, it is characterised in that the sensing control integrated unit
Photovoltaic DC-to-AC converter is connected with, the sensing control integrated unit constitutes generated output control unit with photovoltaic DC-to-AC converter.
7. intelligent grid output control device according to claim 4, it is characterised in that the sensing control integrated unit
Converter is connected with, the sensing control integrated unit constitutes load power control unit with converter.
8. the intelligent grid output control device according to claim 1,2,4,5,6 or 7, it is characterised in that the power
Control unit also includes correspondence with foreign country subelement, and the correspondence with foreign country subelement is for being connected with external device communication.
9. a kind of intelligent grid power control system, it is characterised in that including intelligent grid power control as claimed in claim 8
Device processed and external equipment, the intelligent grid output control device are connected with external device communication by correspondence with foreign country subelement
Connect.
10. intelligent grid output control device according to claim 9, it is characterised in that the external equipment is upper
Computer and/or generating prognoses system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679164.6U CN206099356U (en) | 2016-06-30 | 2016-06-30 | Smart power grids power control unit and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679164.6U CN206099356U (en) | 2016-06-30 | 2016-06-30 | Smart power grids power control unit and system |
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| Publication Number | Publication Date |
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| CN206099356U true CN206099356U (en) | 2017-04-12 |
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ID=58464838
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| CN201620679164.6U Active CN206099356U (en) | 2016-06-30 | 2016-06-30 | Smart power grids power control unit and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994307A (en) * | 2017-11-17 | 2018-05-04 | 合肥本源量子计算科技有限责任公司 | A kind of quantum chip and method using adjustable quantal data bus coupling muliti-qubit |
| WO2019148689A1 (en) * | 2018-02-01 | 2019-08-08 | 大全集团有限公司 | Grid-connected tie-line power control system of micro-grid and method thereof |
-
2016
- 2016-06-30 CN CN201620679164.6U patent/CN206099356U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994307A (en) * | 2017-11-17 | 2018-05-04 | 合肥本源量子计算科技有限责任公司 | A kind of quantum chip and method using adjustable quantal data bus coupling muliti-qubit |
| CN107994307B (en) * | 2017-11-17 | 2019-11-08 | 合肥本源量子计算科技有限责任公司 | A kind of quantum chip and method using adjustable quantal data bus coupling muliti-qubit |
| WO2019148689A1 (en) * | 2018-02-01 | 2019-08-08 | 大全集团有限公司 | Grid-connected tie-line power control system of micro-grid and method thereof |
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