CN207782409U - A kind of micro-grid load side Energy Management System based on wireless network - Google Patents

A kind of micro-grid load side Energy Management System based on wireless network Download PDF

Info

Publication number
CN207782409U
CN207782409U CN201721554538.2U CN201721554538U CN207782409U CN 207782409 U CN207782409 U CN 207782409U CN 201721554538 U CN201721554538 U CN 201721554538U CN 207782409 U CN207782409 U CN 207782409U
Authority
CN
China
Prior art keywords
resistance
operational amplifier
load side
micro
communication module
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.)
Expired - Fee Related
Application number
CN201721554538.2U
Other languages
Chinese (zh)
Inventor
房凯龙
周玲玲
张新强
侯立军
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.)
Renergy Electric Tianjin Ltd
Original Assignee
Renergy Electric Tianjin Ltd
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 Renergy Electric Tianjin Ltd filed Critical Renergy Electric Tianjin Ltd
Priority to CN201721554538.2U priority Critical patent/CN207782409U/en
Application granted granted Critical
Publication of CN207782409U publication Critical patent/CN207782409U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The micro-grid load side Energy Management System based on wireless network that the utility model discloses a kind of, including data processing centre, load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load side control module, wireless communication module is connected to child node execution module;Child node execution module is connected in load supplying circuit;The micro-grid load side Energy Management System based on wireless network can be under load lateral spacing power situation, realize the Reasonable Regulation And Control to load side energy and distribution, in the case where not influencing user's life as far as possible, selectively cut-out is corresponding electrical, further decreases the influence to user under micro-grid load lateral spacing power situation.

Description

A kind of micro-grid load side Energy Management System based on wireless network
Technical field
The utility model is related to power grid technical field of energy management, more particularly to a kind of micro-capacitance sensor based on wireless network is negative Lotus side Energy Management System.
Background technology
With the development of society, new energy is widely used, but the unstability of new energy, not confirmability, And the influence that weather is brought will cause generated energy fluctuation apparent, influence the use balance of entire power grid, therefore extensive construction Generation of electricity by new energy factory is restricted, and in this case, distributed power generation, intelligent micro-grid compensates for disadvantage mentioned above.So-called intelligence Energy micro-capacitance sensor, i.e., by electricity generation system, energy-storage system loads minor scale power net, the micro-capacitance sensor of composition, and there is high speed to adjust the equilibrium of supply and demand, The features such as grid-connected, off-network is switched fast;Can only micro-capacitance sensor electricity generation system with wind power generating set, based on photovoltaic generation;Energy storage System is with battery, based on super capacitor;Load, which is made a living, applies flexibly electrical equipment, equipment of industrial product etc..
Since there are isolated network independent operation modes for micro-capacitance sensor, that is to say, that power supply and load inside micro-capacitance sensor reach one The state of the equilibrium of supply and demand carries out the adjustment of corresponding means, at present the mainstream in industry in the case that power supply or load have fluctuation Way is made up by energy storage, and when energy storage can not provide corresponding energy, and mains side is contributed in the case of reducing, The load of user can only be cut off, reduce micro-capacitance sensor internal load, reach balance again, but violence to load progress Excision, can influence the power demand of many users, very poor for the experience of client, then how to rationalize to load Distribution, and arrange, and the excision that can intelligently talk about is certain electrical, the development of micro-grid load side will be brought very far-reaching Meaning.
Utility model content
The purpose of this utility model is to provide a kind of micro-grid load side Energy Management System based on wireless network.
For this purpose, technical solutions of the utility model are as follows:
A kind of micro-grid load side Energy Management System based on wireless network, including data processing centre, load side control Molding block, wireless communication module and several child node execution modules;Data processing centre pass sequentially through load side control module, Wireless communication module is connected to child node execution module;Child node execution module is connected in load supplying circuit;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will The data of acquisition are sent to controller after modulate circuit arranges and are packaged, and the data after packing are passed through load by controller Side wireless communication module is sent to management-side wireless communication module.
Further, the modulate circuit includes sampling resistor, voltage follower and Distoriton compensating circuit;
One termination current sensor of sampling resistor, the positive input of another termination voltage follower, voltage follower Output terminate Distoriton compensating circuit.
Further, the Distoriton compensating circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity Hinder R7, resistance R8, resistance R9, resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance C6, diode D1, diode D2;The input signal of voltage follower connects the anti-phase input of operational amplifier U2 by resistance R2 End;The in-phase input end of operational amplifier U2 is grounded by resistance R3;Capacitance C5 is connected on the input signal and ground of voltage follower Between;The anode of diode D1 connects the output end of operational amplifier U2, and the cathode of diode D1 connects the reverse phase of operational amplifier U2 Input terminal;The anode of diode D2 connects the inverting input of operational amplifier U3 by resistance R6.The cathode of diode D2 connects fortune Calculate the output end of amplifier U2;Resistance R4 mono- terminates the inverting input of operational amplifier U2, and another terminating diode D2 is just Pole;Resistance R7 is connected between the remote inverting input and output end for calculating amplifier U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Fortune The in-phase input end for calculating amplifier U3 is grounded by resistance R8;The output end of operational amplifier U3 connects operation amplifier by resistance R9 The in-phase input end of device U4;Resistance R10 be connected on the in-phase input end of operational amplifier U4 and operational amplifier U4 output end it Between.
Further, the controller is ARM controller.
Compared with prior art, being somebody's turn to do the micro-grid load side Energy Management System based on wireless network can be in load lateral spacing Under power situation processed, the Reasonable Regulation And Control to load-side energy and distribution are realized, in the case where not influencing user's life as far as possible, Selectively cut-out is corresponding electrical, further decreases the influence to user under micro-grid load lateral spacing power situation.
Description of the drawings
Fig. 1 is the structural representation of the micro-grid load side Energy Management System provided by the utility model based on wireless network Figure.
Fig. 2 is the structural schematic diagram of child node execution module.
Fig. 3 is the circuit diagram of modulate circuit.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model, but following embodiments are right absolutely not The utility model has any restrictions.
As shown in Figures 1 to 3, the micro-grid load side Energy Management System based on wireless network, including Data processing are somebody's turn to do The heart, load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load Side control module, wireless communication module are connected to child node execution module;Child node execution module is connected on load supplying circuit It is interior;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will The data of acquisition are sent to controller after modulate circuit arranges and are packaged, and the data after packing are passed through load by controller Side wireless communication module is sent to management-side wireless communication module.
The modulate circuit includes sampling resistor, voltage follower and Distoriton compensating circuit;
One termination current sensor of sampling resistor, the positive input of another termination voltage follower, voltage follower Output terminate Distoriton compensating circuit.
The Distoriton compensating circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance C6, diode D1, diode D2;The input signal of voltage follower connects the inverting input of operational amplifier U2 by resistance R2;Operation amplifier The in-phase input end of device U2 is grounded by resistance R3;Capacitance C5 is connected between the input signal of voltage follower and ground;Diode The anode of D1 connects the output end of operational amplifier U2, and the cathode of diode D1 connects the inverting input of operational amplifier U2;Two poles The anode of pipe D2 connects the inverting input of operational amplifier U3 by resistance R6.The cathode of diode D2 connects operational amplifier U2's Output end;Resistance R4 mono- terminates the inverting input of operational amplifier U2, the anode of another terminating diode D2;Resistance R7 is connected on Between the remote inverting input and output end for calculating amplifier U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Operational amplifier U3's In-phase input end is grounded by resistance R8;The output end of operational amplifier U3 connects the same mutually defeated of operational amplifier U4 by resistance R9 Enter end;Resistance R10 is connected between the in-phase input end of operational amplifier U4 and the output end of operational amplifier U4.
The controller is ARM controller.
The course of work of micro-grid load side Energy Management System provided by the utility model based on wireless network is as follows:
Current sensor in child node execution module acquires current signal in load equipment circuit, the electricity of acquisition in real time Stream signal is converted into voltage signal after sampling resistor, and modulate circuit improves the voltage signal, and simultaneously to distortion Signal compensates, and obtains stable voltage signal, and controller is sent to after A/D is converted and carries out data compression packing, control Device will compress packed data and be sent to energy management side wireless communication module by load-side wireless communication module, can source capsule Reason side wireless communication module will compress packed data and is sent to data processing centre's progress by load side control module again Analyzing processing, if whether data processing centre's judgement load-side power is more than rated power, if it is determined that result is "Yes", then load Module sends out the control instruction for disconnecting a certain load circuit to side control module by radio communication according to a pre-set procedure, should After child node execution module in load circuit receives the instruction of load side control module transmission, the switch being attached thereto is controlled Relay disconnects, and to disconnect the load circuit, the power of proof load side is in setting range.

Claims (4)

1. a kind of micro-grid load side Energy Management System based on wireless network, which is characterized in that including data processing centre, Load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load side Control module, wireless communication module are connected to child node execution module;Child node execution module is connected in load supplying circuit;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will acquire Data be sent to controller after modulate circuit arranges and be packaged, controller by the data after packing by load-side without Line communication module is sent to management-side wireless communication module.
2. the micro-grid load side Energy Management System according to claim 1 based on wireless network, which is characterized in that institute The modulate circuit stated includes sampling resistor, voltage follower and Distoriton compensating circuit;
Sampling resistor one termination current sensor, it is another termination voltage follower positive input, voltage follower it is defeated Go out to terminate Distoriton compensating circuit.
3. the micro-grid load side Energy Management System according to claim 2 based on wireless network, which is characterized in that institute The Distoriton compensating circuit stated include resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, Resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance C6, diode D1, diode D2;The input signal of voltage follower connects the inverting input of operational amplifier U2 by resistance R2;Operational amplifier U2's is same Phase input terminal is grounded by resistance R3;Capacitance C5 is connected between the input signal of voltage follower and ground;The anode of diode D1 The output end of operational amplifier U2 is connect, the cathode of diode D1 connects the inverting input of operational amplifier U2;Diode D2 is just Pole connects the inverting input of operational amplifier U3 by resistance R6;The cathode of diode D2 connects the output end of operational amplifier U2; Resistance R4 mono- terminates the inverting input of operational amplifier U2, the anode of another terminating diode D2;Resistance R7, which is connected on, far to be put Between the inverting input and output end of big device U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Operational amplifier U3's is same mutually defeated Enter end to be grounded by resistance R8;The output end of operational amplifier U3 connects the in-phase input end of operational amplifier U4 by resistance R9; Resistance R10 is connected between the in-phase input end of operational amplifier U4 and the output end of operational amplifier U4.
4. the micro-grid load side Energy Management System according to claim 3 based on wireless network, which is characterized in that institute The controller stated is ARM controller.
CN201721554538.2U 2017-11-20 2017-11-20 A kind of micro-grid load side Energy Management System based on wireless network Expired - Fee Related CN207782409U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721554538.2U CN207782409U (en) 2017-11-20 2017-11-20 A kind of micro-grid load side Energy Management System based on wireless network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721554538.2U CN207782409U (en) 2017-11-20 2017-11-20 A kind of micro-grid load side Energy Management System based on wireless network

Publications (1)

Publication Number Publication Date
CN207782409U true CN207782409U (en) 2018-08-28

Family

ID=63233566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721554538.2U Expired - Fee Related CN207782409U (en) 2017-11-20 2017-11-20 A kind of micro-grid load side Energy Management System based on wireless network

Country Status (1)

Country Link
CN (1) CN207782409U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732908A (en) * 2017-11-20 2018-02-23 天津瑞能电气有限公司 A kind of micro-grid load side EMS based on wireless network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732908A (en) * 2017-11-20 2018-02-23 天津瑞能电气有限公司 A kind of micro-grid load side EMS based on wireless network

Similar Documents

Publication Publication Date Title
CN102916481A (en) Direct-current microgrid system and energy management method thereof
CN107026470A (en) Automatic voltage for photovoltaic system is adjusted
CN105977996B (en) Control System for SVG based on DSP and control method
KR101777821B1 (en) Solar power generation systim having ess and method for operating the same
CN109449999A (en) Low pressure micro-capacitance sensor distributed control method and system based on adaptive virtual impedance
CN103246283A (en) Closed loop testing method of power plant side automatic voltage control system
Ustun et al. IEC 61850 Modeling of UPFC and XMPP communication for power management in microgrids
CN207782409U (en) A kind of micro-grid load side Energy Management System based on wireless network
CN106712103A (en) Micro grid voltage stability control system and micro grid voltage stability control method
CN103647345A (en) Micro source controller and method for realizing grid-connected and off-grid control
CN107732908A (en) A kind of micro-grid load side EMS based on wireless network
CN105977992A (en) Distribution system adjusting reactive power output intelligently based on load change
CN115498767A (en) Distributed power supply power grid cooperative control method based on 5G communication technology
Jaloudi et al. General communication strategy for control of distributed energy resources in smart grids via international standards
CN113067342B (en) Grid-connected point voltage fluctuation suppression method and new energy power station
CN211046487U (en) Reactive compensation feedback correction device for new energy power generation system
CN212784782U (en) Three-phase unbalanced load automatic regulating apparatus
CN207764330U (en) It is a kind of that the fully loaded test system of frequency converter is realized using SVG
CN106786754A (en) The Collaborative Control apparatus and system of distributed energy
CN208423810U (en) It is a kind of with practical and teaching and scientific research function micro-capacitance sensor platform
CN103513122A (en) Power quality monitoring method and device
CN203466629U (en) City power distribution area autonomous control optimized power supply system and monitoring system thereof
CN207835070U (en) Phase-change switch type three-phase load self-checking device
CN207053195U (en) A kind of new energy micro-capacitance sensor that electric power is limited based on PCC grid entry points
CN209046268U (en) Micro-capacitance sensor control circuit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180828