CN105576692A - Photovoltaic power generating and supplying intelligent system for building - Google Patents
Photovoltaic power generating and supplying intelligent system for building Download PDFInfo
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- CN105576692A CN105576692A CN201410538040.1A CN201410538040A CN105576692A CN 105576692 A CN105576692 A CN 105576692A CN 201410538040 A CN201410538040 A CN 201410538040A CN 105576692 A CN105576692 A CN 105576692A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention relates to a photovoltaic power generating and supplying intelligent system for a building. The photovoltaic power generating and supplying intelligent system comprises a photovoltaic array module, an inverter module, a control module, a monitoring module and a local power grid. DC power which is generated by the photovoltaic array module is input into the inverter module and is converted to AC power through the inverter module. The control module is connected with the inverter module and controls the inverter module. The monitoring module is used for monitoring and measuring the voltage of the inverter module. The local power grid is connected with the inverter module. The photovoltaic power generating and supplying intelligent system realizes solar photovoltaic building integration and furthermore has advantages of high electric energy conversion rate, concise system design, easy mounting and maintenance, high operation reliability and long service life. The photovoltaic power generating and supplying intelligent system has advantages of high application value, novel design, high integration degree, effective capability of satisfying the actual requirement of an environment, high efficiency and high operation reliability.
Description
Technical field
The present invention relates to a kind of building photovoltaic generation supply intelligent system.
Background technology
The world today; the energy has become the necessity that human lives produces; also be the basis of sustainable development; for protection of the environment; air conservation, petrochemical industry class A fuel A produces a large amount of polluters, and using can be fewer and feweri; clean energy resource is the photovoltaic energy especially, occupies certain critical role with the stability of its uniqueness.Make full use of the roof of existing structure, photovoltaic array is set, adopt state-of-the-art intelligent inversion system, direct current is become alternating current be connected with public electric wire net and local power net be connected, AC energy is become to serve electrical network solar energy photovoltaic direct current electric energy conversion, comprising building grid type roof photovoltaic power generation system (BIPV, BUILDINGINTEGRATEDPHOTOVOLTAIC), is the main trend of world today's solar energy power generating development.Solar energy power generating, it is reusable edible clean energy resource, it is the important component part in clean energy resource, substitute the generating of petrochemical industry class A fuel A, reduce CO2 emission, can haze be reduced, reduce environmental pollution, huge economic benefit and social benefit can be produced, the direction of Ye Shi world today clean energy resource development.
Adopting modularization intelligent to become more meticulous integrated system, particularly photovoltaic electric power intellectualized module integrated system, for building provide independent current source, be popular research topic in the world, and market prospects is boundless.
Summary of the invention
The object of the invention is to solve solar photovoltaic building integration (BuildingIntegratedPhotovoltaicforshortBIPV) problem.
To achieve these goals, the invention provides a kind of building photovoltaic generation supply intelligent system, comprise photovoltaic array module, inversion module, control module, monitoring modular, local power net; Wherein: the direct current that described photovoltaic array module produces is input in described inversion module, becomes alternating current by inversion module; Described control module connects inversion module, controls inversion module; Described monitoring modular is used for the voltage of control measurement inversion module; Described local power net is connected with inversion module.
Further, described photovoltaic array module comprises photovoltaic cell plate array and photovoltaic cell board mount.
Further, described photovoltaic cell plate array is made up of monocrystalline silicon photovoltaic battery panel.
Further, described inversion module comprises inversion unit, the circuit connecting local power net and AC power protective circuit.
Further, the circuit of described connection local power net is made up of multiple contactor and air switch.
Further, described AC power protective circuit is made up of overvoltage overcurrent circuit.
Further, described monitoring modular comprises voltage detection unit and measurement module.
Further, also comprise automatic control switch, described automatic control switch controlled by control module, according to the instruction unpack or closed of control unit.
Further, also comprise display unit, described display unit is preferably industrial control computer display, is connected with control module.
Further, also comprise wireless remote-control device, described wireless remote-control device is wirelessly connected with control module.
The present invention is by adopting intellectualized module integrated system, seamless link is carried out to each unit, realize Dynamic controlling, omnibearing test is carried out according to the voltage of local power net, frequency, then optimal control system synchronous with it, solve the key technical problem in photovoltaic power generation grid-connecting, achieve solar photovoltaic building integration (BuildingIntegratedPhotovoltaicforshortBIPV), and electric energy conversion rate is high, system is succinct, be easy to installation and maintenance, reliable, life cycle is long.The present invention has very actual using value, and novel in design, highly integrated, the actual demand that can conform, efficiency is high, reliable.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present invention.
Fig. 2 is device configuration topological diagram of the present invention.
Fig. 3 is photovoltaic array schematic diagram of the present invention.
Fig. 4 is measuring instrument system schematic of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Building photovoltaic generation supply intelligent systematic schematic diagram as shown in Figure 1.In the present embodiment, design power is the solar photovoltaic generation system inverter of 8.8kw, the direct current that solar-energy photo-voltaic cell produces is directly changed into the power frequency sinusoidal ac exchanging 380V/50HZ and exports.Within the system, photovoltaic cell plate array (SolarPanel) is primarily of solar photovoltaic cell panel composition best matrix, often row 11 pieces, and 2 behavior one group, totally 4 row, are divided into A group, B group, output dc voltage 600V, electric current 16A; DC circuit breaker QF1, for carrying out overload protection to DC circuit; D.C. contactor KM1 side connects DC circuit breaker QF1, opposite side connects inversion unit (Inverter), be positioned at the front end of inversion unit (Inverter) and the direct current source of main circuit, it is the gate of DC power supply and AC power, for closing and opening direct current main circuit, directly control the connection of inversion unit (Inverter) and DC power supply; Direct current input inversion unit (Inverter) that photovoltaic cell plate array (SolarPanel) is sent out, alternating current is become by inversion unit (Inverter), realize the transformation of direct current to alternating current, direct current is input as 600DC, becomes three-phase alternating voltage 380V, 50HZ, phase difference is the alternating current of 120 degree; Inversion unit (Inverter) carries out sinusoidal wave filtering to alternating current, alternating current is become the 50HZ of standard, and offset of sinusoidal waveform comprises amplitude processes, and promotes AC power quality; Circuit breaker Q F2, connects the output of inversion unit, the alternating current that inversion unit exports three-phase alternating voltage 380V, 50HZ, phase difference is 120 degree; Contactor KM2, in alternating current main circuit, connects inversion unit (Inverter) and network transformer, plays the effect of control switch; The main task of local power net (LocalVoltage) (or network transformer (GridTransformer)) network transformer functional module is connected to the grid at photovoltaic inversion generating (the 380V50HZ sine wave alternating currents of 3 phase 4 lines) transmission; Load (Loads), comprises office equipment (as printer, computer, blueprint machine, various testing equipment, motor etc.) and household electrical appliances (as TV, washing machine, microwave oven etc.); Control module (Controller) is the core component in control circuit, connects inversion unit (Inverter), and controls inversion unit (Inverter); Voltage detection unit V1 (exchanging AC power supplies side), in interchange AC main circuit, connects the input side of inversion unit (Inverter) outlet side and network transformer, plays detection effect; Voltage detection unit V2 (electrical network GRID or AC load side), in interchange AC main circuit, connects the outlet side of network transformer, plays detection effect; Measurement module (Meter), detects electric current, voltage, frequency, power (reactive power, active power, apparent power), electric energy etc.
Building photovoltaic generation supply intelligent system equipment configuration topological diagram as shown in Figure 2, wherein, the input of direct current input inversion unit (Inverter) that photovoltaic cell plate array (SolarPanel) sends, alternating current is become by inversion unit (Inverter), realize the transformation of direct current to alternating current, direct current is input as 600DC, become three-phase alternating voltage 380V, 50HZ, phase difference is the alternating current of 120 degree, alternating current is become the alternating current of the sinusoidal waveform (comprising amplitude, frequency) of standard, connecting valve is used for inversion unit (Inverter) to be connected with local power net (LocalVoltage), local power net (LocalVoltage), the main task of 10KV/380V (local power net or network transformer (GridTransformer)) network transformer functional module is connected to the grid at photovoltaic inversion generating (the 380V50HZ sine wave alternating currents of 3 phase 4 lines) transmission, load (Loads), comprises office equipment (as printer, computer, blueprint machine, various testing equipment, motor etc.) and household electrical appliances (as TV, washing machine, microwave oven etc.), control module (Controller) is for controlling various equipment to meet automation demand, by microprocessor, input and output circuit, high-speed motion control I/O and analog input are combined in a powerful controller compact to design, CPU is by the logic needed for the equipment in monitoring application, CPU inputs according to user program logic monitors and changes output, user program comprises Boolean logic, counting, regularly, the communication of complex mathematical computing and other smart machine, number connect test, analog input and output, thermocouple and the input of thermal resistance simulation amount, analog output etc., there is powerful processing capacity, its with store, data communication, the composition such as PROFINET interface far distance controlled, there is flexible extendible function, play a part very important in the present system, it is core component, it connects inversion unit (Inverter) and measurement module (Meter) industrial configuration, it is the key foundation of intelligentized control method, voltage detection unit V1 (exchanging AC power supplies side), in interchange AC main circuit, connects the input side of liftering module outlet side and network transformer, plays detection effect, voltage detection unit V2 (electrical network GRID or AC load side), in interchange AC main circuit, connects the outlet side of local power net or transformer, plays Signal transmissions and detection effect, measurement module (Meter) can read various technical parameter, as voltage, electric current, power, KWH, HZ, crest voltage etc., can also be transferred on other Displaying Meter by PLC.
The photovoltaic array figure of building photovoltaic generation supply intelligent system as shown in Figure 3, wherein, photovoltaic array forms best matrix primarily of solar photovoltaic cell panel, by 2 groups (matrix A and matrix B) totally 4 row rectangular matrixs rearrange, the capable arrangement of U, often row 10 pieces, 2 behaviors one group, totally 4 row, double loop is adopted to be one group of best matrix, form matrix A and matrix B, matrix A is by photovoltaic battery panel A001 ... A020 forms, matrix B is by B001 ... B020 forms, certain distance is had to reduce windage between each photovoltaic battery panel, the shortest wire is used to connect, obtain maximum power, use the photovoltaic board mount (not shown) of the adjustable-angle of up-to-date manufacture, obtain maximum solar radiation energy, the usefulness of about 15% can be improved, the angleonly tracking sunlight of photovoltaic battery panel adjustable photovoltaic board mount, photovoltaic array also comprises sunlight tracking system (not shown), mainly be divided into manually (succinct easy to operate reliable without electric flux consumption) and automatic (complex structure, precision high, all the period of time, have power consumption) tracking system, native system adopt according to varying environment can use angle according to season (emphasis be the sun elevation angle change) manual adjustable photovoltaic bracket, be arranged on the bottom of solar photovoltaic cell panel, meeting the luffing angle of sunlight line for adjusting photovoltaic battery panel, realizing the maximum using of solar energy power generating amount.The arrangement of solar photovoltaic cell panel composition best matrix, photovoltaic battery panel used is 200 watts of monocrystalline silicon photovoltaic battery panels, often row 10 pieces, often organize 20 pieces, every block 200 watts, rated voltage is 24 volts, and rated current is 8.33 amperes, often organize total series voltage and be about 600V, often organizing series current is 8.33 amperes; 2 groups of direct current DC, 600V, 16 amperes of outputs.Matrix A is connected with circuit breaker Q F-A, matrix B is connected with circuit breaker Q F-B, circuit breaker Q F-A is connected by circuit breaker Q F-AB line with circuit breaker Q F-B, by circuit breaker Q F-A, circuit breaker Q F-B and circuit breaker Q F-AB, the electric current that matrix A and matrix B produce is accumulated a road.
The measuring instrument system schematic of building photovoltaic generation supply intelligent system as shown in Figure 4, wherein, measurement module (Meter) is connected with load end with local power net at outlet side, each technical parameter of output of main measurement AC energy, as output voltage (comprises line voltage, phase voltage), output current (comprises line current, phase current), power (comprises active power, reactive power, apparent power etc.), electric energy (kilowatt-hour), crest voltage, the DATA REASONING displays such as peak current, its mode of connection is 3 phase 4 line unbalanced loads, voltage 500V, instrument transformer not with voltage, be with 3 current transformers.
In addition, building photovoltaic generation supply intelligent system of the present invention, also comprise automatic control switch, it is connected with local power net, controlled by control module, is the part of most critical in Systematical control, control module is outputed signal to by voltage monitoring two ends, the instruction unpack or closed that automatic control switch sends according to control module, the alternating current connecting inversion unit output is very consistent with local power net alternating current, and voltage, phase angle, frequency etc. are completely the same.
Building photovoltaic generation supply intelligent system of the present invention, also comprise display unit, be preferably industrial control computer display, it is connected with control module, in conjunction with control module, can on display pannel direct display system flow process, voltage, electric current, power, frequency, electricity and device diagnostic information, and be connected by data wire, reach and control and monitor whole system normally to run, and diagnose hardware in addition without the need to adding, and energy fast finding mistake, assist to improve equipment availability.
Building photovoltaic generation supply intelligent system of the present invention, also comprise wireless remote-control device, as IPAD, IPHONE, computer etc., remote display detection control, be connected with INTERNET, and the equipment such as safety system enters Industrial Ethernet, INDUSTRYPROFINET controls Programmable Logic Controller, detection HMI can be closed by licence, Industrial Ethernet, realize human-computer dialogue, for the remote detection control of industrial configuration device intelligenceization.
The invention solves the key technical problem in photovoltaic power generation grid-connecting, achieve BIPV (BIPV), and electric energy conversion rate is high, system is succinct, and be easy to installation and maintenance, reliable, life cycle is long.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a building photovoltaic generation supply intelligent system, is characterized in that, comprises photovoltaic array module, inversion module, control module, monitoring modular, local power net; Wherein: the direct current that described photovoltaic array module produces is input in described inversion module, becomes alternating current by inversion module; Described control module connects inversion module, controls inversion module; Described monitoring modular is used for the voltage of control measurement inversion module; Described local power net is connected with inversion module.
2. building photovoltaic generation supply intelligent system as claimed in claim 1, it is characterized in that, described photovoltaic array module comprises photovoltaic cell plate array and photovoltaic cell board mount.
3. building photovoltaic generation supply intelligent system as claimed in claim 2, it is characterized in that, described photovoltaic cell plate array is made up of monocrystalline silicon photovoltaic battery panel.
4. building photovoltaic generation supply intelligent system as claimed in claim 1, is characterized in that, described inversion module comprises inversion unit, the circuit connecting local power net and AC power protective circuit.
5. building photovoltaic generation supply intelligent system as claimed in claim 4, it is characterized in that, the circuit of described connection local power net is made up of multiple contactor and air switch.
6. building photovoltaic generation supply intelligent system as claimed in claim 4, it is characterized in that, described AC power protective circuit is made up of overvoltage overcurrent circuit.
7. building photovoltaic generation supply intelligent system as claimed in claim 1, it is characterized in that, described monitoring modular comprises voltage detection unit and measurement module.
8. building photovoltaic generation supply intelligent system as claimed in claim 1, it is characterized in that, also comprise automatic control switch, described automatic control switch controlled by control module, according to the instruction unpack or closed of control unit.
9. building photovoltaic generation supply intelligent system as claimed in claim 1, it is characterized in that, also comprise display unit, described display unit is preferably industrial control computer display, is connected with control module.
10. building photovoltaic generation supply intelligent system as claimed in claim 1, it is characterized in that, also comprise wireless remote-control device, described wireless remote-control device is wirelessly connected with control module.
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| CN201410538040.1A CN105576692A (en) | 2014-10-13 | 2014-10-13 | Photovoltaic power generating and supplying intelligent system for building |
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| CN201410538040.1A CN105576692A (en) | 2014-10-13 | 2014-10-13 | Photovoltaic power generating and supplying intelligent system for building |
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| KR101436015B1 (en) * | 2014-03-17 | 2014-09-01 | 주식회사 한남유니티 | Method for controlling photovoltaic power generating system with dual inverters |
| CN204190402U (en) * | 2014-10-13 | 2015-03-04 | 唐山京兆科技开发有限公司 | Building photovoltaic generation supply intelligent system |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102576218A (en) * | 2009-09-17 | 2012-07-11 | 安奕极电源系统有限责任公司 | Circuit assembly having a converter part comprising a central control unit |
| CN202443306U (en) * | 2012-01-12 | 2012-09-19 | 温州电力局 | Intelligent energy efficiency integrated monitoring and management system for building |
| CN202548620U (en) * | 2012-03-23 | 2012-11-21 | 青岛新比特电子科技有限公司 | Intelligent energy-saving building networked control system |
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Application publication date: 20160511 |
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