CN204131125U - A kind of use for laboratory smart micro-grid system based on multiple distributed power source - Google Patents

A kind of use for laboratory smart micro-grid system based on multiple distributed power source Download PDF

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CN204131125U
CN204131125U CN201420103450.9U CN201420103450U CN204131125U CN 204131125 U CN204131125 U CN 204131125U CN 201420103450 U CN201420103450 U CN 201420103450U CN 204131125 U CN204131125 U CN 204131125U
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photovoltaic
micro
energy
wind
load
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赵卓立
杨苹
许志荣
郑群儒
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SHENZHEN HORIZON ENERGY TECHNOLOGY CO., LTD.
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South China University of Technology SCUT
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • 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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The utility model is a kind of use for laboratory smart micro-grid system based on multiple distributed power source.This system comprises primary system and electrical secondary system, and primary system comprises photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment; Photovoltaic generating system is made up of photovoltaic battery panel, photovoltaic DC distribution box and photovoltaic DC-to-AC converter; Energy-storage system is made up of lithium battery group and energy storage two way convertor; Wind power system is made up of vertical axis aerogenerator, horizontal axis wind-driven generator, vertical axis aerogenerator controller, horizontal axis wind-driven generator controller and wind power system distribution box; Load equipment comprises bulb group, load box, motor and electronic load.Electrical secondary system is the control system of intelligent micro-grid.The utility model structure is simple, and build conveniently, cost is low, is easy to realize, and to carrying out micro-grid system energy management optimization, the research of security and stability control strategy has important engineer applied and be worth.

Description

A kind of use for laboratory smart micro-grid system based on multiple distributed power source
Technical field
The utility model belongs to intelligent power grid technology field, is specifically related to a kind of use for laboratory smart micro-grid system based on multiple distributed power source.
Background technology
In order to make up the deficiency of extensive centralized power generation, transmission of electricity, the distributed power source generating of rising in recent years and micro power network system more and more come into one's own.Electricity generation system, energy-storage system, load combine by micro-grid system, by the cooperation between relative control apparatus, can provide electric energy and heat energy simultaneously, and effectively can support bulk power grid in good time to user.It not only solves the extensive access problem of distributed power source electricity generation system, has given full play to every advantage of distributed generation system, also for user brings other many-sided benefits.
The research of current China in micro-grid system and field operation experiences less, along with new forms of energy continually develop utilize and distributed power source generate electricity enter Rapid development stage, be necessary to develop a kind of intelligent micro-grid being applicable to generation of electricity by new energy, to carry out micro-capacitance sensor key technology research.
Find by prior art documents, Chinese Patent Application No. is: 201220002686.4, and name is called: a kind of micro-grid system of use for laboratory, and the micro-grid system in this application comprises wind generator system, solar power system.Energy-storage system of accumulator, generator system, load system, power quality controlling system and analog bus, but this system only includes primary system, do not relate to electrical secondary system design, micro-grid system does not possess perfect function, is not suitable for the research of energy management optimization and security and stability control strategy.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art part, provides a kind of to carrying out the significant a kind of use for laboratory smart micro-grid system based on multiple distributed power source of micro-grid system monitoring, communication and the research of control aspect.
For realizing above-mentioned utility model object, the utility model by the following technical solutions:
Based on a use for laboratory smart micro-grid system for multiple distributed power source, it comprises primary system and electrical secondary system;
Described primary system comprises: photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment, and photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment are all connected with micro-capacitance sensor bus with contactor by circuit breaker; Micro-capacitance sensor bus is connected with circuit breaker 380V electrical network by contactor;
Described electrical secondary system is the control system that master control hardware adopts the intelligent micro-grid of programmable logic controller (PLC) PLC, comprises central processor CPU module and connected communication module, digital quantity input DI module, digital output DO module, analog input AI module, analog output AO module and thermal module.
Described photovoltaic generating system is made up of photovoltaic battery panel, photovoltaic DC distribution box and photovoltaic DC-to-AC converter; Described energy-storage system is made up of lithium battery group and energy storage two way convertor; Described wind power system is made up of vertical axis aerogenerator, horizontal axis wind-driven generator, vertical axis aerogenerator controller, horizontal axis wind-driven generator controller and wind power system distribution box; Described load equipment comprises bulb group, load box, motor and electronic load;
In described photovoltaic generating system, photovoltaic battery panel is connected with photovoltaic DC distribution box, and photovoltaic DC distribution box is connected with photovoltaic DC-to-AC converter;
Lithium battery group in described energy-storage system after series connection is connected with energy storage two way convertor;
In described wind power system, vertical axis aerogenerator is connected with vertical axis aerogenerator controller, and horizontal axis wind-driven generator is connected with horizontal axis wind-driven generator controller; Vertical axis aerogenerator controller is all connected with wind power system distribution box with horizontal axis wind-driven generator controller;
In described load equipment, bulb group, load box, motor and electronic load are all connected with micro-capacitance sensor bus with a contactor each via a circuit breaker.
Described communication module is used for from photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment end image data and assigns Control on Communication instruction; Described digital quantity input DI module is for gathering all circuit-breaker status; Described digital output DO module is used for output relay control signal; Described analog input AI module is for gathering wind speed, wind direction, intensity of illumination coherent signal; Described analog output AO module is output for subsequent use; Described thermal module is for gathering ambient temperature data.
Described central processor CPU module adopts model to be the PLC of PC3486; Described communication module adopts model to be the communication module of IF1030; Described digital quantity input DI module adopts model to be the digital quantity input module of DI9371; Described digital output DO module employing model is the digital output module of DO9322; Described analog input AI module adopts model to be the Analog input mModule of AI4622; Described analog output AO module adopts model to be the analog output module of AO4622; Described thermal module adopts model to be the thermal module of AT4222.
Compared with prior art, the utility model tool has the following advantages and remarkable result: the utility model sets up the use for laboratory smart micro-grid system based on multiple distributed power source, there is structure simple, constructions cost is low, the real-time running state of each distributed power source of micro-capacitance sensor and load can being monitored in real time, having important engineer applied to be worth to carrying out the energy-optimised management of micro-grid system; Meanwhile, the control system of intelligent micro-grid, by the working condition of image data quick criterion determination micro-capacitance sensor key node, can realize the urgent voltage regulation and frequency modulation decision-making of micro-grid system, can fast verification micro-capacitance sensor security and stability control strategy validity.
Accompanying drawing explanation
Fig. 1 is the use for laboratory smart micro-grid system structure chart based on multiple distributed power source.
Fig. 2 is intelligent micro-grid electrical secondary system framework.
Embodiment
Below with reference to drawings and the specific embodiments describe in detail the technical solution of the utility model so as clearer, understand the utility model essence intuitively.
Fig. 1 is the use for laboratory smart micro-grid system structural representation based on multiple distributed power source.
Based on a use for laboratory smart micro-grid system for multiple distributed power source, it comprises primary system and electrical secondary system;
Described primary system comprises: photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment.Photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment are all connected with micro-capacitance sensor bus with contactor by circuit breaker; Micro-capacitance sensor bus is connected with circuit breaker 380V electrical network by contactor.Described electrical secondary system is the control system that master control hardware adopts the intelligent micro-grid of programmable logic controller (PLC) PLC, comprises CPU module, communication module, digital quantity input DI module, digital output DO module, analog input AI module, analog output AO module and thermal module.
Described photovoltaic generating system is made up of photovoltaic battery panel, photovoltaic DC distribution box and photovoltaic DC-to-AC converter; Described energy-storage system is made up of lithium battery group and energy storage two way convertor; Described wind power system is made up of vertical axis aerogenerator, horizontal axis wind-driven generator, vertical axis aerogenerator controller 1, horizontal axis wind-driven generator controller 2 and wind power system distribution box; Described load equipment comprises: bulb group, load box, motor and electronic load.
In described photovoltaic generating system, photovoltaic battery panel is connected with photovoltaic DC distribution box, and photovoltaic DC distribution box is connected with photovoltaic DC-to-AC converter; Lithium battery group in described energy-storage system after series connection is connected with energy storage two way convertor; In described wind power system, vertical axis aerogenerator is connected with vertical axis aerogenerator controller 1, and horizontal axis wind-driven generator is connected with horizontal axis wind-driven generator controller 2; Vertical axis aerogenerator controller 1 is connected with wind power system distribution box with horizontal axis wind-driven generator controller 2; In described load equipment, bulb group, load box, motor and electronic load are in parallel, are directly connected with contactor by circuit breaker with micro-capacitance sensor bus;
Only preferably, the relevant configuration for this micro-grid system is as follows:
Central processor CPU module: PLC type number is PC3486: containing serial communication RS232 interface, application configuration Modbus RTU(application layer message asynchronous serial transmission pattern) slave station, transfer data to comprehensively monitoring and EMS;
Communication module: model IF1030, serial communication RS485 interface, application configuration Modbus RTU(application layer message asynchronous serial transmission pattern) main website, assign Control on Communication instruction from photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment end image data;
The input of digital quantity input DI module 2: model DI9371,12 railway digital, 24Vdc, gathers all circuit-breaker status;
Digital output DO module 2: model DO9322,12 railway digital export, 24Vdc 0.5A, output relay control signal;
Analog input AI module: model AI4622,4 tunnel analog inputs, can customize as ± 10V or 0-20mA, gather wind speed, wind direction, intensity of illumination coherent signal;
Analog output AO module: model AO4622,4 road modulating output, can customize as ± 10V or 0-20mA, output for subsequent use;
Thermal module: model AT4222,4 tunnel temperature inputs, gather ambient temperature data.
System Working Principle is as follows:
The control system of intelligent micro-grid, by each burning natural gas distributed power apparatus service data of communication module Real-time Collection, carries out real time monitoring to the real-time traffic information of each distributed power source, warning message; And photovoltaic generating system, energy-storage system, wind power system, diesel generating system are analyzed; , micro-grid load equipment is monitored meanwhile, if desired micro-capacitance sensor low-frequency low-voltage load shedding or high-frequency cutting machine, realize microgrid power Real-time Balancing control.Comprehensively monitoring and EMS unification monitor that micro-capacitance sensor runs integrated information, comprise frequency, voltage and dominant eigenvalues, and real-time statistics energy-storage system state-of-charge, the total generated output of micro-capacitance sensor, the total burden with power of micro-capacitance sensor, total load or burden without work, sensitive load always meritorious, controllable burden always meritorious, completely load curtailment always gain merit, and monitor the inner each circuit breaker switch state of micro-capacitance sensor, each branch road has the real time information such as reactive power, micro-capacitance sensor running status, realizes the Real-Time Monitoring of whole micro-capacitance sensor, control and statistical management.
The control system of intelligent micro-grid is the urgent pressure regulation of micro-grid system, frequency modulation decision center, its accesses current/voltage, the circuit breaker switch state of micro-capacitance sensor CCP and other are in order to distinguish the signal of system core equipment running status, take the working condition of quick criterion determination micro-capacitance sensor key node, determine the mode of operation of energy storage two way convertor PCS.And also completed by the control system of intelligent micro-grid from the switching of net pattern.Possess following basic function: (1) and comprehensively monitoring and EMS communication, accept comprehensively monitoring and EMS superior instructions, and superior feedback control results; (2) regulation and control of micro-capacitance sensor duty parameter: the Secondary Control of micro-capacitance sensor frequency, voltage, the direct adjustment of photovoltaic generating system, energy-storage system, wind power system, diesel generating system power; (3) stability contorting UFLS: low-voltage load sheding, cut in high week mechanical, electrical current transformer TA break differentiation, voltage transformer TV broken string, emergency control wheel, control loop abnormality alarming, self-checking function; (4) the automatic black starting-up of micro-capacitance sensor;
Compared with prior art, the utility model tool has the following advantages and remarkable result: the utility model sets up the use for laboratory smart micro-grid system based on multiple distributed power source, and structure is simple, and build conveniently, cost is low.The real-time running state of each distributed power source of micro-capacitance sensor and load can being monitored in real time, having important engineer applied to be worth to carrying out the energy-optimised management of micro-grid system; Meanwhile, the control system of intelligent micro-grid, by the working condition of image data quick criterion determination micro-capacitance sensor key node, can realize the urgent voltage regulation and frequency modulation decision-making of micro-grid system, can fast verification micro-capacitance sensor security and stability control strategy validity.
The foregoing is only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every equivalent transformation utilizing the utility model specification and accompanying drawing content to do; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.

Claims (1)

1., based on a use for laboratory smart micro-grid system for multiple distributed power source, comprise primary system and electrical secondary system; It is characterized in that,
Described primary system comprises: photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment, and photovoltaic generating system, energy-storage system, wind power system, diesel generating system and load equipment are all connected with micro-capacitance sensor bus with contactor by circuit breaker; Micro-capacitance sensor bus is connected with circuit breaker 380V electrical network by contactor;
Described photovoltaic generating system is made up of photovoltaic battery panel, photovoltaic DC distribution box and photovoltaic DC-to-AC converter; Described energy-storage system is made up of lithium battery group and energy storage two way convertor; Described wind power system is made up of vertical axis aerogenerator, horizontal axis wind-driven generator, vertical axis aerogenerator controller, horizontal axis wind-driven generator controller and wind power system distribution box; Described load equipment comprises bulb group, load box, motor and electronic load;
In described photovoltaic generating system, photovoltaic battery panel is connected with photovoltaic DC distribution box, and photovoltaic DC distribution box is connected with photovoltaic DC-to-AC converter;
Lithium battery group in described energy-storage system after series connection is connected with energy storage two way convertor;
In described wind power system, vertical axis aerogenerator is connected with vertical axis aerogenerator controller, and horizontal axis wind-driven generator is connected with horizontal axis wind-driven generator controller; Vertical axis aerogenerator controller is all connected with wind power system distribution box with horizontal axis wind-driven generator controller;
In described load equipment, bulb group, load box, motor and electronic load are all connected with micro-capacitance sensor bus with a contactor each via a circuit breaker.
CN201420103450.9U 2014-03-07 2014-03-07 A kind of use for laboratory smart micro-grid system based on multiple distributed power source Active CN204131125U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967214A (en) * 2015-06-04 2015-10-07 南京理工大学 Micro-grid system based on VACON industrial inverters
CN105845005A (en) * 2016-05-24 2016-08-10 河北工业大学 Intelligent microgrid experiment system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967214A (en) * 2015-06-04 2015-10-07 南京理工大学 Micro-grid system based on VACON industrial inverters
CN104967214B (en) * 2015-06-04 2017-06-27 南京理工大学 A kind of micro-grid system based on VACON industrial frequency transformers
CN105845005A (en) * 2016-05-24 2016-08-10 河北工业大学 Intelligent microgrid experiment system
CN105845005B (en) * 2016-05-24 2018-08-17 河北工业大学 Intelligent micro-grid experimental system

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Effective date of registration: 20160523

Address after: Longhua District Guanlan Street sightseeing road 518110 Guangdong city of Shenzhen province high tech Industrial Park No. 1301 Silver Star Silver Star Technology Building 9 floor A901

Patentee after: SHENZHEN HORIZON ENERGY TECHNOLOGY CO., LTD.

Address before: Nansha District Avenue South Ring of 511400 cities in Guangdong province Guangzhou City, No. 25 Hua Da Guangzhou production and Research Institute

Patentee before: South China University of Technology