CN105099362A - Solar photovoltaic electric power intelligent system - Google Patents
Solar photovoltaic electric power intelligent system Download PDFInfo
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- CN105099362A CN105099362A CN201410635012.1A CN201410635012A CN105099362A CN 105099362 A CN105099362 A CN 105099362A CN 201410635012 A CN201410635012 A CN 201410635012A CN 105099362 A CN105099362 A CN 105099362A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention relates to a solar photovoltaic electric power intelligent system. The solar photovoltaic electric power intelligent system comprises a photovoltaic cell panel array module, a photovoltaic inversion unit module, a filtering unit, a local power grid, a control unit, an input end voltage detection module, an output end voltage detection module, a load, a programmable controller, a PAC instrument module, a man-machine conversation module, a communication switch and an industrial computer. According to the invention, an intelligent module integrated system is adopted, all units are connected in a seamless manner through an industrial Ethernet PROFINET, dynamic random control is performed, an intelligent, omnibearing and optimum control system is formed, and intelligent control in photovoltaic power generation is realized, so that the photovoltaic building integrated process is high in electric energy efficiency conversion rate, high in operation reliability and high in system intelligentization; in addition, the solar photovoltaic electric power intelligent system has the advantages that the investment cost is lowered, the installation is easy, the maintenance is easy, the operation is easy, the efficiency is high, the operation is reliable, and the service lifetime is long.
Description
Technical field
The present invention relates to a kind of solar photovoltaic electric power intellectualizing system.
Background technology
Germany proposes the concept of industry 4.0 on Hannover Messe, traditional industry is produced and engages with modern information technologies, realize the intellectualization of factories, to improve resource utilization, produces flexibly, promotes industrial commercial value.Prerequisite is on industrial automation basis, realizes the slitless connection from machine sensor to Internet communication, the production automation by autodiagnosis, self-recision and function maximize program more intelligently underworker complete production.
Steam engine (representing the first time industrial revolution), electrified (second industrial revolution), automation (the third time industrial revolution), intellectualization of factories FactorySmart are also industry 4.0 (fourth industrial revolution).
Clean energy resource is the only way which must be passed of sustainable development, one of wherein the most promising main energy sources is solar energy power generating, photovoltaic energy last layer is that the intelligent energy (photovoltaic electric power+intelligentized control method) forms photovoltaic electric power intellectualizing system, no matter be new theory, new ideas, or current state-of-the-art science and technology field, be all state-of-the-art technology, it represents a kind of scientific development trend and trend.Conventional industries make the transition to new industry, and industry 4.0 is the certainty of world today's scientific technological advance.Research application intellectualizing system is integrated, it is current important key link in photovoltaic industry, the research of key modules in system, as distant signal transmission, photovoltaic generating module, counnter attack switching circuit module, inversion module, filtration module, measurement module, control module, the unit such as rectification storage module form best intellectualizing system, particularly photovoltaic electric power intellectualized module integrated system, for building (single family house) minimized office system provides independent current source, this is also the research topic be in a leading position in the world, research and development space is very large, and market prospects are boundless.
Summary of the invention
The object of the invention is emphasis and solve solar photovoltaic building integration (BIPV) problem, propose a kind of solar photovoltaic electric power intellectualizing system.
Solar photovoltaic electric power intellectualizing system, comprising: photovoltaic battery panel array module, photovoltaic inversion unit module, filter unit, local power net, control unit, input terminal voltage detection module, output end voltage detection module, load, Programmable Logic Controller, PAC instrumentation module, human-computer dialogue module, communication switcher and industrial computer; Wherein: the direct current that described photovoltaic battery panel array module sends enters photovoltaic inversion unit module; Described filter unit is connected with photovoltaic inversion unit module, carries out filtering to the alternating current that photovoltaic inversion unit module exports; Be connected through the alternating current of filtered alternating current with described local power net; Described control unit is connected with photovoltaic inversion unit module, for realizing Energy control; Described input terminal voltage detection module connects filter unit; Described output end voltage detection module connects local power net; Described load connects local power net; Described human-computer dialogue module is connected with Programmable Logic Controller; Described communication switcher is connected with PAC instrumentation module with control unit, Programmable Logic Controller, human-computer dialogue module respectively; Described industrial computer is connected with Programmable Logic Controller.
Further, described photovoltaic battery panel array module comprises photovoltaic battery panel, photovoltaic cell board mount, air circuit, precharge loop and anti-reverse charging diode circuit, the first circuit breaker, the first fuse and the first D.C. contactor.
Further, described Programmable Logic Controller contains PROFINET, high-speed motion control I/O and analog input output.
Further, described photovoltaic inversion unit module and control unit realize seamless link by PROFINET.
Further, described photovoltaic inversion unit module is connected with input terminal voltage detection module and output end voltage detection module respectively by PROFINET, and containing the second circuit breaker.
Further, the 3rd circuit breaker, the second fuse and the second D.C. contactor is contained in described filter unit.
Further, described control unit is CPU control module.
Further, described input terminal voltage detection module detects the signal from inverter module, and containing the 4th circuit breaker.
Further, described output end voltage detection module detects the signal from local power net, is connected with inverter module, and containing the 5th circuit breaker.
Solar energy power generating supply intelligent modular system provided by the invention, adopt intellectualized module integrated system, by Industrial Ethernet PROFINET, seamless link is carried out to each unit, carry out dynamic random and control, form intelligent, comprehensive, optimal control system.Key technology is innovated, design, the system integration, test, analyze and research, have found photovoltaic power generation technology development characteristic, development trend and key problem in technology, and for the research direction of photovoltaic generating system and development ability, carry out basic research and engineering research, select the state-of-the-art electric components in the world, integrated optimizer system, through amendment many times to design, actual composition system test, it is integrated modules to be carried out the best, complication system and single system are combined, through lab scale, the on-the-spot actual test of pilot scale, the actual demand that can conform, solves intelligentized control method (SMARTCONTROLLER) problem in photovoltaic generation, makes BIPV process reach electric energy efficiency high conversion, run high reliability, system high-intelligentization, and input cost reduces, be easy to install, be easy to safeguard, be easy to run, there is efficiency high, reliable, the advantages such as life cycle is long, can reduce CO2 emission, reusable edible clean energy resource simultaneously.The technology of solar photovoltaic electric power intellectualizing system of the present invention is in the forward position of international photovoltaic technology development, leads the developing direction in this field.
Accompanying drawing explanation
Figure 1 shows that solar photovoltaic electric power intellectualizing system schematic diagram of the present invention.
Figure 2 shows that the photovoltaic array schematic diagram of solar photovoltaic electric power intellectualizing system of the present invention.
Figure 3 shows that the PLC PLC technology cellular system topological diagram of solar photovoltaic electric power intellectualizing system 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.
Be illustrated in figure 1 solar photovoltaic electric power intellectualizing system schematic diagram of the present invention, wherein: photovoltaic cell plate array, it can connect maximum photovoltaic battery panels with the minimum wire of beeline, best matrix arrangement is adopted to be combined by multiple photovoltaic battery panel, to reduce line loss consumption, intellectualized module combination (according to load dynamic random modular combination), photovoltaic cell board mount (not shown) comprises sunlight tracking system, mainly be divided into manually (succinctly easy to operate, reliable, without electric flux consumption) and automatically (complex structure, precision high, all the period of time, have power consumption) tracking system, native system employing be the photovoltaic cell board mount that can carry out manual adjustments use angle according to varying environment, seasonal variations (emphasis is that the sun elevation angle changes), photovoltaic cell board mount (not shown) also comprises base and is arranged on the bracing frame on base, according to the change in season, 12 months corresponding 12 angles, base there are 12 gears, be respectively 1 grade, 2 grades ... 11 grades, 12 grades, corresponding January respectively, February ... November, December, best angle of radiation is formed for the irradiation of adjustment photovoltaic battery panel and sunlight in every month, according to sun rotational angle, regulate photovoltaic panel and sun best angle system, random transition control model, photovoltaic battery panel is made to be in angle that the is best and sun all the time, thus acquisition ceiling capacity, generating efficiency more than 30% can be improved.
Air circuit QF1 controls switching on and off of DC power supply main circuit.Contactor and fuse composition switch protecting circuit, mainly connect opening and closing, simultaneously in direct current main circuit, in case of the special circumstances such as short circuit, overload are protected of the DC power supply that photovoltaic array sends.Precharge loop and anti-reverse charging diode circuit, a large amount of direct currents that daytime, photovoltaic panel sent directly directly enter inverter input module by contactor contact; Be in non-power generating state, foreign current reverse impact due to photovoltaic cell capable of generating power system in the evening, easily causes the damage of photovoltaic element, so install diode additional, utilize the one-way of diode, prevent current reflux, thus reduce line loss and protect photovoltaic device to circulate successively; Anti-reverse charging switching circuit, input is connected with photovoltaic array, output connects with inversion module, for solar energy luminous energy is transformed into direct current, and by anti-reverse current control circuit module, connect DC to AC, the current/voltage preventing photovoltaic panel from producing at night is lower than the electric current and voltage of supply load; Circuit breaker Q F2 is used for preventing DC side main circuit current from transshipping; Fuse FU1 is used for preventing main circuit current from transshipping; D.C. contactor KM1 is used for the input of switch DC side supply photovoltaic inversion unit modules A LM, and install resistance R0 (120 Europe, 50W) additional, composition buffer circuit, makes the condenser network in photovoltaic inversion unit modules A LM be cushioned; Fuse FU1 is connected with 2 phase miniature circuit breaker QFL01, and the 2 phase miniature circuit breaker QFL01 other ends are connected with resistance R0.The direct current that photovoltaic battery panel array module is sent out is input, by photovoltaic inversion unit modules A LM, (ALM is ACTIVELINEMODULE, the abbreviation of active power module) become alternating current, direct current is input as 600V, the voltage of the three-phase alternating current be reverse into is 380V, frequency is 50HZ, and phase difference is 120 °; Circuit breaker Q F2 is used for preventing DC side main circuit current from transshipping.Side circuit is connected with anti-reverse charging switching circuit respectively, for the converting direct-current power into alternating-current power that photovoltaic battery panel is sent, and by the tracking to maximum power point MPPT, generating voltage, the electric current of real-time detection solar photovoltaic cell panel, follow the trail of ceiling voltage current value, make solar photovoltaic cell panel with maximum power output; Adopt VVVF (VariableVoltage & VariableFrequency, variable voltage & variable frequency) change voltage, frequency, three-phase bridge type converter output lays respectively at the mid point of three groups of switches, the potential difference of getting between any two obtains three phase voltages, three groups of six switching sequences, inversion can obtain that amplitude is equal, frequency is equal, the three-phase ac signal of phase difference 120 °.By voltage detection module, rely on Mathematical Modeling automatically to identify voltage parameter, calculate actual value, inverse switch state is controlled automatically.Photovoltaic inversion unit modules A LM and control unit is made to realize seamless link, connection physically, transfer of data and intelligentized control method by PROFINET in system.
After sunrise in morning, intensity of solar radiation strengthens gradually, and the output of solar photovoltaic cell panel also increases thereupon, and after reaching the power output needed for inverter work, namely photovoltaic inversion unit module brings into operation automatically.After entering operation, inversion unit just at every moment monitors the output of solar module, as long as the power output of solar module is greater than the power output needed for inversion unit work, inversion unit is with regard to continuous service; Until sunset is shut down, even if overcast and rainy inversion unit also can run.Diminish when solar module exports, inversion unit exports close to during lower than rated value, and inversion module just forms holding state.The output of solar module changes with intensity of solar radiation and solar module own temperature (chip temperature).Increase and the characteristic of decline with electric current because solar module has voltage in addition, therefore there is the best operating point that can obtain maximum power.Intensity of solar radiation varies, and obvious best operating point is also in change.Relative to these changes, allow the working point of solar module be in maximum power point all the time, system obtains maximum power output from solar module all the time, and this control is exactly that maximal power tracing controls.The maximum feature of the inverter of solar power system of the present invention has MPPT maximum power point tracking (MPPT) this function exactly.
Make after filter unit AIM (AIM is the abbreviation of ACTIVEINTERFACEMODULE active interface module) carries out filtering for the alternating current exported by photovoltaic inversion unit modules A LM its AC sine waveform more close to or equal network wave, comprise frequency to equal 50 hertz (50/60HZ), every numerical value equal (it does not have PROFINET and PROFIBUS interface) such as UVW phase voltage peak power, it is connected with photovoltaic inversion unit modules A LM in main circuit, input AC electricity, and by carrying out filtering to alternating current sine wave, alternating current is become the 50HZ of standard, adjustment sinusoidal waveform (comprising amplitude), promote AC power quality, be connected by circuit breaker Q F3 between filter unit AIM with photovoltaic inversion unit modules A LM, better to connect and to protect the filter unit AIM in main circuit and photovoltaic inversion unit modules A LM, play the effect of control switch and protection, filter unit AIM output connecting breaker QF4, circuit breaker Q F4 connects fuse FU2, connecting breaker QF7 between fuse FU2 and D.C. contactor KM2, D.C. contactor KM2 is for connecting filter unit AIM output and local power net, play the effect of crucial control switch, when D.C. contactor KM2 closes, the alternating current that photovoltaic system sends and local power net AC power combine together, as new power supply to the various load supplyings in local area network (LAN), circuit breaker Q F7 connects input terminal voltage detection module VSM10-1, circuit breaker Q F4 is used for preventing main circuit current from transshipping, fuse FU2 connects filter unit AIM and local power net in interchange main circuit, for preventing main circuit current from transshipping, plays the effect of protection, the DC coil of D.C. contactor KM2 is by No. 09,014, the x122 port control of control unit CU320 digital quantity I/O, its Main Function is that the alternating current sent by filter unit AIM is connected with the alternating current that local power net comes, and plays the effect of control switch and protection, circuit breaker Q F5, transships for preventing main circuit current.
Local power net is used for the power supply being provided building single family house by client transformer (10kV/380V3AC, 200KVA).
Control unit CU320 is a CPU control module, the Open loop and closed loop controlling functions of single or multiple power module can be realized, wherein be provided with number connect test 1 and input and output 2, digital quantity I/O 8, measure 3, PROFINET1, PROFIBUS1 etc., having a lot of functions, is the desirable component realizing Energy control.
Input terminal voltage detection module VSM10-1, for detecting AC voltage, design twin voltage detection module, for carrying out voltage detecting to major loop sine wave alternating current; In interchange AC main circuit, connect the output of filter unit AIM and the input of network transformer TC, play and detect the effects such as data compare; Circuit breaker Q F7, connects the original paper of input terminal voltage detection module VSM10-1 and main circuit, for the protection of input terminal voltage detection module VSM10-1.
Output end voltage detection module VSM10-2, for carrying out voltage detecting to electrical network GRID or AC load side.In alternating current main circuit, connect local power net or network transformer TC outlet side OUTPUT, play detection effect; Circuit breaker Q F8 is for connecting local power net and measuring;
Various loads in local power net comprise the equipment such as motor, lighting apparatus, office equipment, air-conditioning, refrigerator TV, computer, printer, blueprint machine.
It is synchronous with local power net that input terminal voltage detection module VSM10-1 and output end voltage detection module VSM10-2 two voltage monitoring module may be used for realizing photovoltaic generation.The output voltage of input terminal voltage detection module VSM10-1 measuring transformer secondary side photovoltaic inversion unit modules A LM in adjustment type interface module (photovoltaic inversion unit modules A LM).The line voltage of output end voltage detection module VSM10-2 measuring transformer primary side.Control unit calculates the amplitude of voltage, frequency and phase place.Photovoltaic inversion unit modules A LM makes the output voltage of secondary side follow the tracks of the line voltage of primary side, until both reach precise synchronization.Then photovoltaic inversion unit modules A LM just links electrical network by circuit breaker.The parameters of output end voltage detection module VSM10-2 can be presented in expert parameter list after mobilizing function module " network transformer ".
Figure 2 shows that the photovoltaic array schematic diagram of solar photovoltaic electric power intellectualizing system of the present invention, photovoltaic array adopts double loop to be one group of best matrix, the shortest wire is used to connect, wherein, A001-A020 is that 20 pieces of power are 200W, rated voltage is 28V, rated current is the monocrystalline silicon of 8.33A, its composition photovoltaic array matrix A; B001-B020 is that 20 pieces of power are 200W, rated voltage is 28V, rated current is the monocrystalline silicon of 8.33A, its composition photovoltaic array matrix B.
Figure 3 shows that the PLC PLC technology cellular system topological diagram of solar photovoltaic electric power intellectualizing system of the present invention.Wherein: microprocessor, succession power supply, input and output circuit, built-in PROFINET, high-speed motion control I/O and plate, for controlling various equipment to meet automation demand, are carried analog input and are combined in a powerful controller compact to design by programmable controller PLC; CPU is by the logic needed for the equipment in monitoring application, and CPU inputs according to user program logic monitors and changes output; User program comprise Boolean logic, counting, regularly, the communication of complex mathematical computing and other smart machines.PAC instrumentation module is used for detecting electric current, voltage, frequency, power (reactive power, active power, apparent power), electric energy etc., various technical parameter can be read, and on human-computer dialogue module HMI, show various technical parameter by programmable controller PLC, and be transferred to all over the world by PROFINET.Human-computer dialogue module HMI (HMI is the abbreviation of HumanMachineInterface man-machine interface) is in conjunction with SIMATIC control system, can on the exquisite panel of HMI directly display system flow process, electric current and voltage, power and device diagnostic information, and be connected with programmable controller PLC by PROFINET, reach and control and monitor the object that whole system normally runs, without the need to adding other diagnosis hardware, energy fast finding mistake, assists the availability of raising equipment.Communication switcher CSM1277 is the important component part of system configuration, connects programmable controller PLC, industrial computer, human-computer dialogue module HMI, PAC instrumentation module etc.Industrial computer uses professional software such as TIAPORTAL software to programme.In addition, wireless remote-control device can also be connected as IPAD, iPhone, industrial computer etc. in system of the present invention, these wireless remote-control device are connected with internet, safety system can be closed by licence, Industrial Ethernet and enter Industrial Ethernet, INDUSTRYPROFINET, Programmable Logic Controller is controlled, detect the equipment such as HMI, realize human-computer dialogue, the remote detection control of intellectuality is carried out to industrial configuration equipment.
The reference model of Industrial Ethernet is:
Ground floor: physical layer, provides physical equipment to connect;
The second layer: data link layer, for formatted signal;
Third layer: network layer, realizes the IP address ip file bag with 64;
4th layer: transport layer, realize reliability and connect transmission, debugging, repeating transmission, miniport service, transmitting and scheduling;
Layer 5: application layer, MODBUS protocol massages.
Native system composition emphasis is divided into 3 parts: main circuit layer, control circuitry layer, data transfer layer.Each layer has multiple circuit unit comprising modules, is built into system by each module, through Installation and Debugging trial run, drops into actual use, wherein:
A. main circuit: photovoltaic array, anti-reverse charging circuit, inversion module, filtration module, voltage detecting, network transformer, load etc.;
B. control circuit, detecting unit, working power;
C. Industrial Ethernet transfer of data is by PROFINET, PROFIBUS (network configuration);
D. the feature of photovoltaic generation is directed energy flowing, flows from DC bus to inversion module, and the magnitude of voltage that maximum power point MPPT sets is subject to the actual influence of nature sunlight illumination, the design of maximum power point in control system, setting optimum technology parameter.
Solar energy power generating supply intelligent modular system provided by the invention, adopt intellectualized module integrated system, by Industrial Ethernet PROFINET, seamless link is carried out to each unit, implementation dynamic random controls, formed intelligent, comprehensive, optimal control system, solve intelligentized control method (SMARTCONTROLLER) problem in photovoltaic generation, BIPV process is made to reach electric energy efficiency high conversion, run high reliability, system high-intelligentization, and input cost reduces, be easy to install, be easy to safeguard, be easy to run, there is efficiency high, reliable, the advantages such as life cycle is long, CO2 emission can be reduced simultaneously, reusable edible clean energy resource.
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 (9)
1. solar photovoltaic electric power intellectualizing system, it is characterized in that, comprising: photovoltaic battery panel array module, photovoltaic inversion unit module, filter unit, local power net, control unit, input terminal voltage detection module, output end voltage detection module, load, Programmable Logic Controller, PAC instrumentation module, human-computer dialogue module, communication switcher and industrial computer; Wherein: the direct current that described photovoltaic battery panel array module sends enters photovoltaic inversion unit module; Described filter unit is connected with photovoltaic inversion unit module, carries out filtering to the alternating current that photovoltaic inversion unit module exports; Be connected through the alternating current of filtered alternating current with described local power net; Described control unit is connected with photovoltaic inversion unit module, for realizing Energy control; Described input terminal voltage detection module connects filter unit; Described output end voltage detection module connects local power net; Described load connects local power net; Described human-computer dialogue module is connected with Programmable Logic Controller; Described communication switcher is connected with PAC instrumentation module with control unit, Programmable Logic Controller, human-computer dialogue module respectively; Described industrial computer is connected with Programmable Logic Controller.
2. solar photovoltaic electric power intellectualizing system according to claim 1, it is characterized in that, described photovoltaic battery panel array module comprises photovoltaic battery panel, photovoltaic cell board mount, air circuit, precharge loop and anti-reverse charging diode circuit, the first circuit breaker, the first fuse and the first D.C. contactor.
3. solar photovoltaic electric power intellectualizing system according to claim 1, is characterized in that, described Programmable Logic Controller contains PROFINET, high-speed motion control I/O and analog input exports.
4. solar photovoltaic electric power intellectualizing system according to claim 3, is characterized in that, described photovoltaic inversion unit module and control unit realize seamless link by PROFINET.
5. solar photovoltaic electric power intellectualizing system according to claim 4, is characterized in that, described photovoltaic inversion unit module is connected with input terminal voltage detection module and output end voltage detection module respectively by PROFINET, and containing the second circuit breaker.
6. solar photovoltaic electric power intellectualizing system according to claim 1, is characterized in that, containing the 3rd circuit breaker, the second fuse and the second D.C. contactor in described filter unit.
7. solar photovoltaic electric power intellectualizing system according to claim 1, is characterized in that, described control unit is CPU control module.
8. solar photovoltaic electric power intellectualizing system according to claim 1, is characterized in that, described input terminal voltage detection module detects the signal from inverter module, and containing the 4th circuit breaker.
9. solar photovoltaic electric power intellectualizing system according to claim 1, is characterized in that, described output end voltage detection module detects the signal from local power net, is connected with inverter module, and containing the 5th circuit breaker.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106972524A (en) * | 2017-03-20 | 2017-07-21 | 上海图赛新能源科技集团有限公司 | A kind of system allocated by big data information realization energy source |
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