CN104796065A - Control circuit of wind-solar grid-connected power generation system on expressway - Google Patents

Control circuit of wind-solar grid-connected power generation system on expressway Download PDF

Info

Publication number
CN104796065A
CN104796065A CN201510220758.0A CN201510220758A CN104796065A CN 104796065 A CN104796065 A CN 104796065A CN 201510220758 A CN201510220758 A CN 201510220758A CN 104796065 A CN104796065 A CN 104796065A
Authority
CN
China
Prior art keywords
circuit
rectifier diode
resistance
wind
output
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.)
Pending
Application number
CN201510220758.0A
Other languages
Chinese (zh)
Inventor
李俊
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.)
Suzhou Chang Shi Industrial Equipment Co Ltd
Original Assignee
Suzhou Chang Shi Industrial Equipment Co 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 Suzhou Chang Shi Industrial Equipment Co Ltd filed Critical Suzhou Chang Shi Industrial Equipment Co Ltd
Priority to CN201510220758.0A priority Critical patent/CN104796065A/en
Publication of CN104796065A publication Critical patent/CN104796065A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02J3/383
    • H02J3/386
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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

Abstract

The invention discloses a control circuit of a wind-solar grid-connected power generation system on an expressway. The control circuit of the wind-solar grid-connected power generation system on the expressway is connected with a wind driven generator and an outputting end of a solar photovoltaic array; a fan is connected with the wind driven generator; and the control circuit specifically comprises a rectifying circuit, a controller, an inverter controller, an inverter main circuit and a filtering circuit. A boosting chopper circuit is used in the grid-connected inverter main circuit and is used for optimizing rectified voltage, and influences caused by large fluctuation of outputting voltage of the wind driven generator can be avoided. The structure of the inverter controller is subjected to topology, a control strategy is optimized, and the performance of an inverter is improved so that the inverter is suitable for a wind-solar grid-connected power generation system. Inputting voltage of an inverter bridge in the grid-connected inverter is stabilized in a certain range through a built-in control algorithm of a data processing chip, and voltage stability of the wind-solar grid-connected inverter is improved to a certain degree.

Description

The control circuit of honourable grid-connected system on a kind of highway
Technical field
The present invention relates to technical field of new energy power generation, relate to the control circuit of honourable grid-connected system on a kind of highway specifically.
Background technology
Today; along with non-renewable fossil energy consumes in a large number; existing non-renewable energy resources deposit has arrived critical point; according to the Year's consumption of current oil, natural gas and coal etc., the fossil energy detected at present only can maintain the mankind and consume decades energy crises and become one and allow the difficult problem that each industrially developed country is on tenterhooks and cannot avoid.Perhaps, in our democratic meeting in visible future because energy crisis becomes complete difference, when in the face of this global difficult problem, the answer of various countries is also identical, and that is exactly regenerative resource.Non-pollution renewable energy is praised highly by the whole world, in industry-by-industry, increasing equipment have employed regenerative resource, and increasing new technology in the popularization joining regenerative resource at this, we notice that some energy is reproducible, also be free of contamination, to be exactly automobile drive air to flow the wind energy and solar energy that are formed through highway for that.The electric energy energy storage device that wind turbine generator generally sends by small-sized wind power generator stores (generally using storage battery), reoffering when needing (can direct current supply to load, also can be transformed to inverter and exchange supply user), the wind turbine generator of independent operating, be also called from net type wind turbine generator, be wind turbine generator export electric energy through storage battery accumulation of energy, resupply equipment use.As equipment needs alternating current, then must for installing inverter additional between storage battery and user.But well-known, the wind resource on highway has discontinuity, be difficult to for equipment provides the electric energy of steady and continuous.And in the wind power plant occurred on existing market, have many generating equipments can not provide industrial frequency AC 220V and 380V, the needs of road traffic control information equipment cannot be met.
Realize grid-connected function, necessarily require the performance of combining inverter to reach corresponding index request.In traditional combining inverter, current follow-up control error is large, poor stability.Because the unsteadiness of wind speed, the piezoelectric voltage amplitude sent from wind-driven generator and frequency fluctuation are comparatively large, can affect the stability that combining inverter exports after being input to combining inverter.And it is not high enough that traditional combining inverter technology also has performance, and unfailing performance is low, and description is few, function is few and be not suitable for the problems such as honourable grid-connected system.
Therefore, the present inventor needs a kind of new technology of design badly to improve its problem.
Summary of the invention
The present invention aims to provide a kind of electric energy that can not only provide steady and continuous, and the control circuit of honourable grid-connected system on the highway that can improve combining inverter stability.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The control circuit of honourable grid-connected system on a kind of highway, be connected with the output of wind-driven generator and photovoltaic array, blower fan is connected with described wind-driven generator, control circuit specifically comprises rectification circuit, controller, circuit control device, converter main circuit, filter circuit, the output of wind-driven generator is connected with described rectification circuit by electric wire, described rectification circuit is connected with described controller with the output of photovoltaic array, direct current is sent to storage battery by described controller respectively, direct-flow electricity utilization apparatus and described converter main circuit, described converter main circuit is by sending to AC electric equipment and described circuit control device after described filter circuit by industrial-frequency alternating current, the output of described circuit control device is connected with described converter main circuit.
Wherein said converter main circuit comprises boost chopper and inverter circuit, described boost chopper comprises inductance L 1, afterflow triode T2, diode D11, electric capacity C12, inductance L 1 is connected with an output of described controller, afterflow triode T2 is connected with another output of described controller with electric capacity C12, inductance L 1, afterflow triode T2 are connected with the positive pole of diode D11, and electric capacity C12 is connected with the negative pole of diode D11.
Described circuit control device comprise data processing chip, Acquisition Circuit, for driving the first driving chip of described boost chopper and for driving the second driving chip of described inverter circuit, the electric voltage frequency at the amplitude of voltage and current of described Acquisition Circuit acquisition controller output, the frequency of the output current of inverter circuit output, phase place and instantaneous value and AC electric equipment place, phase place and instantaneous value.
Preferably, the circuit structure of described controller comprises electrochemical capacitor C1, electric capacity C2, field effect transistor Q1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, fuse F1, diode D7, diode D8 and control chip, the first input end of described photovoltaic array is connected with the positive pole of diode D8, and the negative pole of diode D8 is connected with fuse F1; Electrochemical capacitor C1 is connected with fuse F1 with one end after electric capacity C2 parallel connection, and the other end is connected with the source electrode of field effect transistor Q1; The canopy pole of field effect transistor Q1 is connected with control chip, and the drain electrode of field effect transistor Q1 is connected with resistance R1, and the other end of resistance R1 is connected with fuse F1; It is in parallel with resistance R4 after resistance R2 connects with resistance R3, resistance R2 is connected with fuse F1 with one end of resistance R4, resistance R3 is connected with resistance R5 with one end of resistance R4, the source electrode of field effect transistor Q1 is connected with resistance R5, the other end of resistance R5 is all connected with the negative pole of storage battery with the output of control chip, and the positive pole of storage battery is connected with fuse F1.
Preferably, described rectification circuit comprises rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, rectifier diode D5, rectifier diode D6, wherein rectifier diode D1 connects with rectifier diode D2, rectifier diode D3 connects with rectifier diode D4, and rectifier diode D5 connects with rectifier diode D6; First output of described wind-driven generator is connected with the positive pole of rectifier diode D1, and the second output of described wind-driven generator is connected with the positive pole of rectifier diode D3, and the 3rd output of described wind-driven generator is connected with the positive pole of rectifier diode D5; The negative pole of rectifier diode D1 is connected with the negative pole of the negative pole of rectifier diode D3 and rectifier diode D5, and the positive pole of rectifier diode D2 is connected with the positive pole of the positive pole of rectifier diode D4 and rectifier diode D6.
Preferably, described inverter circuit is single-phase full bridge inverter circuit.
Preferably, described data processing chip is dsPIC30F3011 data processing chip.
Preferably, described driving chip is 2SD106AI-17 driving chip.
Preferably, described control chip is SG3525 voltage-type pulse width modulating chip.
Preferably, described filter circuit is LC filter circuit.
Adopt technique scheme, the present invention at least comprises following beneficial effect:
1. the control circuit of honourable grid-connected system on highway of the present invention, is optimized the voltage after rectification by introducing boost chopper in synchronization inverter main circuit inside, can solve large the brought impact of wind-driven generator output voltage fluctuation.Topology is carried out to circuit control device structure, and control strategy is optimized simultaneously, improve inverter performance, make it be more applicable for honourable grid-connected system.Make inverter bridge stabilized input voltage in combining inverter within the specific limits, also can improve the voltage stability of wind-electricity integration inverter to a certain extent by the control algolithm that data processing chip is built-in simultaneously.By using the combining inverter being applicable to honourable grid-connected system optimizing control algolithm, circuit and improve control strategy design, improve stability and the efficiency of honourable grid-connected system.
2. the control circuit of honourable grid-connected system on highway of the present invention, wind-driven generator output AC electricity, becomes direct current after rectification, charges to storage battery simultaneously and the control of the direct current via controller of photovoltaic array.Controller, except control wind-driven generator and photovoltaic array are to except the charging of storage battery, also comprises the management of storage battery to load discharge.Adopt variable speed constant frequency control mode, engine adopts permanent magnet synchronous wind generator, can not only provide the electric energy of steady and continuous, and can improve the stability of combining inverter.
Accompanying drawing explanation
Fig. 1 is the control circuit schematic diagram of honourable grid-connected system on highway of the present invention;
Fig. 2 is the partial circuit figure of the control circuit of honourable grid-connected system on highway of the present invention;
Fig. 3 is the partial circuit figure of the control circuit of honourable grid-connected system on highway of the present invention.
Wherein: 1. blower fan, 2. wind-driven generator, 3. photovoltaic array.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1 to Figure 3, for the control circuit of honourable grid-connected system on a kind of highway according to the invention, be connected with the output of wind-driven generator 2 and photovoltaic array 3, blower fan 1 is connected with described wind-driven generator 2, control circuit specifically comprises rectification circuit, controller, circuit control device, converter main circuit, filter circuit, the output of wind-driven generator 2 is connected with described rectification circuit by electric wire, described rectification circuit is connected with described controller with the output of photovoltaic array 3, direct current is sent to storage battery by described controller respectively, direct-flow electricity utilization apparatus and described converter main circuit, described converter main circuit is by sending to AC electric equipment and described circuit control device after described filter circuit by industrial-frequency alternating current, the output of described circuit control device is connected with described converter main circuit.
Wherein said converter main circuit comprises boost chopper and inverter circuit, described boost chopper comprises inductance L 1, afterflow triode T2, diode D11, electric capacity C12, inductance L 1 is connected with an output of described controller, afterflow triode T2 is connected with another output of described controller with electric capacity C12, inductance L 1, afterflow triode T2 are connected with the positive pole of diode D11, and electric capacity C12 is connected with the negative pole of diode D11.Adopt boost boost chopper can realize maximal power tracing (MPPT) to control.Its final output voltage according to the current/voltage detection signal feedback acknowledgment exported, controls industrial frequency AC 220V or the output of 380V voltage by described circuit control device.
Described circuit control device comprise data processing chip, Acquisition Circuit, for driving the first driving chip of described boost chopper and for driving the second driving chip of described inverter circuit, the electric voltage frequency at the amplitude of voltage and current of described Acquisition Circuit acquisition controller output, the frequency of the output current of inverter circuit output, phase place and instantaneous value and AC electric equipment place, phase place and instantaneous value.Due to the routine techniques means that Acquisition Circuit is those skilled in the art, so place repeats no more.
Due to the unsteadiness of wind speed on highway, the voltage of the alternating current thus sent from wind-driven generator 2 is fluctuation, and the frequency of this alternating current and amplitude are all changes.The electricity sent due to wind-driven generator 2 is the alternating current fluctuated, thus directly cannot flow to user or send into electrical network, only have the modulation through wind power-generating grid-connected inverter, the standard electric alternating current making it to become 220V/50Hz or 380V/50Hz just can flow to user or send into electrical network.If the converter main circuit directly giving combining inverter after the voltage commutation of fluctuation is used, the output pulsation of combining inverter can be made large.For common combining inverter, the device in converter main circuit is easily damaged when overtension, and brownout side cannot be carried out grid-connected, the input voltage range of such combining inverter is just restricted, and combining inverter is difficult to mate with wind-driven generator 2.The present embodiment is optimized the voltage after rectification by introducing boost chopper in combining inverter inside, can solve large the brought impact of wind-driven generator 2 output voltage fluctuation.Make inverter bridge stabilized input voltage in combining inverter within the specific limits, also can improve the voltage stability of wind-electricity integration inverter to a certain extent by the control algolithm that data processing chip is built-in.
The present embodiment is not high enough for traditional combining inverter technical performance; unfailing performance is low; description is few; function is few and be not suitable for the problems such as honourable grid-connected system; topology is carried out to its circuit control device structure; and control strategy is carried out excellent (because it is not the key protection point of the present embodiment, so place repeats no more) simultaneously.For the shortcoming that fully controlled bridge input voltage fluctuation single-phase in the honourable network-connecting generation inverter of tradition is large, its converter main circuit is optimized.For the shortcoming of conventional photovoltaic combining inverter MPPT poor stability, the control algolithm built-in to data processing chip is optimized.Control algolithm, circuit and the control strategy design that improves optimized finally is used to be applicable to the combining inverter of honourable grid-connected system, to improve stability and the efficiency of honourable grid-connected system.
Preferably, the circuit structure of described controller comprises electrochemical capacitor C1, electric capacity C2, field effect transistor Q1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, fuse F1, diode D7, diode D8 and control chip, the first input end of described photovoltaic array is connected with the positive pole of diode D8, and the negative pole of diode D8 is connected with fuse F1; Electrochemical capacitor C1 is connected with fuse F1 with one end after electric capacity C2 parallel connection, and the other end is connected with the source electrode of field effect transistor Q1; The canopy pole of field effect transistor Q1 is connected with control chip, and the drain electrode of field effect transistor Q1 is connected with resistance R1, and the other end of resistance R1 is connected with fuse F1; It is in parallel with resistance R4 after resistance R2 connects with resistance R3, resistance R2 is connected with fuse F1 with one end of resistance R4, resistance R3 is connected with resistance R5 with one end of resistance R4, the source electrode of field effect transistor Q1 is connected with resistance R5, the other end of resistance R5 is all connected with the negative pole of storage battery with the output of control chip, and the positive pole of storage battery is connected with fuse F1.
Diode D8 is counnter attack diode; to ensure the unilateral conduction of photovoltaic array 3; avoiding blower fan 1 commutating voltage and storage battery to the impact of photovoltaic array 3 simultaneously. diode D7 and fuse F1 adds the reversal connection preventing storage battery; namely when reverse connection of accumulator; short-circuit loop is formed by diode D7; excessive short circuit current makes fuse F1 quick fuse cut off circuit, thus protects other components and parts.
Preferably, described rectification circuit comprises rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, rectifier diode D5, rectifier diode D6, wherein rectifier diode D1 connects with rectifier diode D2, rectifier diode D3 connects with rectifier diode D4, and rectifier diode D5 connects with rectifier diode D6; First output of described wind-driven generator is connected with the positive pole of rectifier diode D1, and the second output of described wind-driven generator is connected with the positive pole of rectifier diode D3, and the 3rd output of described wind-driven generator is connected with the positive pole of rectifier diode D5; The negative pole of rectifier diode D1 is connected with the negative pole of the negative pole of rectifier diode D3 and rectifier diode D5, and the positive pole of rectifier diode D2 is connected with the positive pole of the positive pole of rectifier diode D4 and rectifier diode D6.
Preferably, described inverter circuit is single-phase full bridge inverter circuit.
Preferably, described data processing chip is dsPIC30F3011 data processing chip.
Preferably, described driving chip is 2SD106AI-17 driving chip.
Preferably, described control chip is SG3525 voltage-type pulse width modulating chip.
Preferably, described filter circuit is LC filter circuit.
Photovoltaic array 3 described in the present embodiment and described blower fan 1 all tile continuously in two row and are fixedly mounted on the inner side of the guardrails of both sides of isolation strip, described blower fan 1 is connected with described wind-driven generator 2, described wind-driven generator 2 is fixedly mounted on by track place below described photovoltaic array 3 in two row, and described photovoltaic array 3 is connected with electrical network by electric wire with the output of described wind-driven generator 2.When there being solar irradiation to be mapped to photovoltaic array 3, then transform light energy is become electric energy by photovoltaic array 3, thus generating, when the automobile of running on expressway passes through along side, isolation strip, the wind-force of generation drives wind motor 2 to generate electricity.This wind and light generating system on highway, not only easy for installation, and there is the advantages such as life-span length, energy savings, environmental protection, also beautify the landscape construction of highway on the other hand, define beautiful scenery.
Above one embodiment of the present of invention have been described in detail, but described content being only the preferred embodiment of the invention, can not being considered to for limiting practical range of the present invention.All any equivalent variations done according to the present patent application scope, all should still be within patent covering scope of the present invention.

Claims (8)

1. the control circuit of honourable grid-connected system on a highway, it is characterized in that: be connected with the output of wind-driven generator and photovoltaic array, blower fan is connected with described wind-driven generator, control circuit specifically comprises rectification circuit, controller, circuit control device, converter main circuit, filter circuit, the output of wind-driven generator is connected with described rectification circuit by electric wire, described rectification circuit is connected with described controller with the output of photovoltaic array, direct current is sent to storage battery by described controller respectively, direct-flow electricity utilization apparatus and described converter main circuit, described converter main circuit is by sending to AC electric equipment and described circuit control device after described filter circuit by industrial-frequency alternating current, the output of described circuit control device is connected with described converter main circuit,
Wherein said converter main circuit comprises boost chopper and inverter circuit, described boost chopper comprises inductance L 1, afterflow triode T2, diode D11, electric capacity C12, inductance L 1 is connected with an output of described controller, afterflow triode T2 is connected with another output of described controller with electric capacity C12, inductance L 1, afterflow triode T2 are connected with the positive pole of diode D11, and electric capacity C12 is connected with the negative pole of diode D11;
Described circuit control device comprise data processing chip, Acquisition Circuit, for driving the first driving chip of described boost chopper and for driving the second driving chip of described inverter circuit, the electric voltage frequency at the amplitude of voltage and current of described Acquisition Circuit acquisition controller output, the frequency of the output current of inverter circuit output, phase place and instantaneous value and AC electric equipment place, phase place and instantaneous value.
2. the control circuit of honourable grid-connected system on highway as claimed in claim 1, it is characterized in that: the circuit structure of described controller comprises electrochemical capacitor C1, electric capacity C2, field effect transistor Q1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, fuse F1, diode D7, diode D8 and control chip, the first input end of described photovoltaic array is connected with the positive pole of diode D8, and the negative pole of diode D8 is connected with fuse F1; Electrochemical capacitor C1 is connected with fuse F1 with one end after electric capacity C2 parallel connection, and the other end is connected with the source electrode of field effect transistor Q1; The canopy pole of field effect transistor Q1 is connected with control chip, and the drain electrode of field effect transistor Q1 is connected with resistance R1, and the other end of resistance R1 is connected with fuse F1; It is in parallel with resistance R4 after resistance R2 connects with resistance R3, resistance R2 is connected with fuse F1 with one end of resistance R4, resistance R3 is connected with resistance R5 with one end of resistance R4, the source electrode of field effect transistor Q1 is connected with resistance R5, the other end of resistance R5 is all connected with the negative pole of storage battery with the output of control chip, and the positive pole of storage battery is connected with fuse F1.
3. the control circuit of honourable grid-connected system on highway as claimed in claim 2, it is characterized in that: described rectification circuit comprises rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4, rectifier diode D5, rectifier diode D6, wherein rectifier diode D1 connects with rectifier diode D2, rectifier diode D3 connects with rectifier diode D4, and rectifier diode D5 connects with rectifier diode D6; First output of described wind-driven generator is connected with the positive pole of rectifier diode D1, and the second output of described wind-driven generator is connected with the positive pole of rectifier diode D3, and the 3rd output of described wind-driven generator is connected with the positive pole of rectifier diode D5; The negative pole of rectifier diode D1 is connected with the negative pole of the negative pole of rectifier diode D3 and rectifier diode D5, and the positive pole of rectifier diode D2 is connected with the positive pole of the positive pole of rectifier diode D4 and rectifier diode D6.
4. the control circuit of honourable grid-connected system on highway as claimed in claim 1, is characterized in that: described inverter circuit is single-phase full bridge inverter circuit.
5. the control circuit of honourable grid-connected system on highway as claimed in claim 2, is characterized in that: described data processing chip is dsPIC30F3011 data processing chip.
6. the control circuit of honourable grid-connected system on highway as claimed in claim 1, is characterized in that: described driving chip is 2SD106AI-17 driving chip.
7. the control circuit of honourable grid-connected system on highway as claimed in claim 1, is characterized in that: described control chip is SG3525 voltage-type pulse width modulating chip.
8. the control circuit of honourable grid-connected system on highway as claimed in claim 1, is characterized in that: described filter circuit is LC filter circuit.
CN201510220758.0A 2015-05-04 2015-05-04 Control circuit of wind-solar grid-connected power generation system on expressway Pending CN104796065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510220758.0A CN104796065A (en) 2015-05-04 2015-05-04 Control circuit of wind-solar grid-connected power generation system on expressway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510220758.0A CN104796065A (en) 2015-05-04 2015-05-04 Control circuit of wind-solar grid-connected power generation system on expressway

Publications (1)

Publication Number Publication Date
CN104796065A true CN104796065A (en) 2015-07-22

Family

ID=53560635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510220758.0A Pending CN104796065A (en) 2015-05-04 2015-05-04 Control circuit of wind-solar grid-connected power generation system on expressway

Country Status (1)

Country Link
CN (1) CN104796065A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107706946A (en) * 2017-12-06 2018-02-16 中山市柏顺照明电器有限公司 Single-phase solar photovoltaic power generation grid-connecting electricity generation system
CN109995068A (en) * 2017-12-29 2019-07-09 北京金风科创风电设备有限公司 Fault ride-through control apparatus and method
CN110676883A (en) * 2019-11-07 2020-01-10 哈尔滨理工大学 Novel inversion grid-connected device with digital-analog combined control
CN112701943A (en) * 2020-12-29 2021-04-23 佛山科学技术学院 Photovoltaic inverter based on Zeta converter
CN112751363A (en) * 2021-01-14 2021-05-04 北京净能新能源科技有限公司 Wind-light integrated voltage transmission method and main controller

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107706946A (en) * 2017-12-06 2018-02-16 中山市柏顺照明电器有限公司 Single-phase solar photovoltaic power generation grid-connecting electricity generation system
CN109995068A (en) * 2017-12-29 2019-07-09 北京金风科创风电设备有限公司 Fault ride-through control apparatus and method
CN109995068B (en) * 2017-12-29 2020-10-09 北京金风科创风电设备有限公司 Fault ride-through control apparatus and method
CN110676883A (en) * 2019-11-07 2020-01-10 哈尔滨理工大学 Novel inversion grid-connected device with digital-analog combined control
CN112701943A (en) * 2020-12-29 2021-04-23 佛山科学技术学院 Photovoltaic inverter based on Zeta converter
CN112751363A (en) * 2021-01-14 2021-05-04 北京净能新能源科技有限公司 Wind-light integrated voltage transmission method and main controller

Similar Documents

Publication Publication Date Title
CN101951011B (en) Solar photovoltaic and commercial power combined power supply system and control method thereof
CN201577048U (en) Wind-solar complementary independent power supply system
CN101860270B (en) Access system for adequately utilizing wind energy and solar energy and realization method thereof
CN104796065A (en) Control circuit of wind-solar grid-connected power generation system on expressway
CN103138291A (en) Wind power generation intelligent single-phase grid-connection controller
CN101847876A (en) Three-phase photovoltaic grid connected inverter system
CN104242790A (en) Wind-solar hybrid power generation system
CN202602348U (en) Wind and light complementary wind energy generator charging controller
CN103196194B (en) A kind of electrical network complementation type solar energy convertible frequency air-conditioner
CN1967989A (en) Power supply system of great start-up current of solar photovoltaic battery
CN201682294U (en) Three-phase photovoltaic grid-connected inverter based on Z sources
CN202872688U (en) Bidirectional inverter
CN104779897A (en) Wind-solar electricity generation system used on expressway
CN201656848U (en) Access system for fully utilizing wind energy and solar energy
CN201860278U (en) Wind-solar hybrid power supply system
CN204928661U (en) Control circuit of last honourable grid -connected electricity generation system of highway
CN204539045U (en) A kind of wind and light generating system on highway
CN204190669U (en) A kind of wind and solar hybrid generating system
CN103683312A (en) Integrated intelligent photovoltaic power generation component and method for energy conversion of a photovoltaic cell
CN202772600U (en) High-power photovoltaic inverter
CN206850508U (en) A kind of wind and solar hybrid generating system
CN201742111U (en) Wind-solar energy intelligent controller base on three-phase dual voltage rectifier
CN2916180Y (en) Solar energy, wind energy, and mains supply united power supply without transformer
CN101895134A (en) Fully permanent magnet suspension wind-photovoltaic complementary power supply system
CN108879774A (en) A kind of pressure photovoltaic cogeneration exchange grid-connection control system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150722