CN103607032B - Renewable energy power generation, power transmission and transformation and electrical network access integral system - Google Patents

Renewable energy power generation, power transmission and transformation and electrical network access integral system Download PDF

Info

Publication number
CN103607032B
CN103607032B CN201310589012.8A CN201310589012A CN103607032B CN 103607032 B CN103607032 B CN 103607032B CN 201310589012 A CN201310589012 A CN 201310589012A CN 103607032 B CN103607032 B CN 103607032B
Authority
CN
China
Prior art keywords
circuit
pressure
low
isolation type
electromagnetic isolation
Prior art date
Application number
CN201310589012.8A
Other languages
Chinese (zh)
Other versions
CN103607032A (en
Inventor
梁桥
梁一桥
梁家诚
Original Assignee
梁一桥
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 梁一桥 filed Critical 梁一桥
Priority to CN201310589012.8A priority Critical patent/CN103607032B/en
Publication of CN103607032A publication Critical patent/CN103607032A/en
Application granted granted Critical
Publication of CN103607032B publication Critical patent/CN103607032B/en

Links

Abstract

The present invention relates to renewable energy power generation, power transmission and transformation and electrical network and access integral system.The access system that purpose is to provide can be avoided impacting electrical network or trawlnet.Technical scheme is: renewable energy power generation, power transmission and transformation and electrical network access integral system, including regenerative resource integrated power generation unit, at least one HVDC transmission line, at least one inverter and generating field computer supervisory control system;The outfan of each regenerative resource integrated power generation unit is connected on high voltage dc bus, one end of HVDC transmission line is also connected on high voltage dc bus HVDC, the other end of HVDC transmission line is connected to the direct-flow input end of high-power inverter, and the ac output end of high-power inverter is connected to exchange bulk power grid;Generating field computer supervisory control system is connected with dispatching of power netwoks control centre and accepts traffic order, and generating field computer supervisory control system is also connected with regenerative resource integrated power generation unit and issues generating setting value.

Description

Renewable energy power generation, power transmission and transformation and electrical network access integral system

Technical field

The invention belongs to generation of electricity by new energy, technical field of electric power transmission, be specifically related to a kind of regenerative resource (wind energy, Solar energy) generating, unsteady flow, energy storage, transmission of electricity and the integral system of incoming transport bulk power grid.

Background technology

Along with the supply shortage of the non-renewable energy resources such as oil, coal, natural gas, and use non-renewable energy The environmental pollution that source is brought is day by day serious, the countries in the world exploitation to the renewable and clean energy resource such as wind energy, solar energy The most increasingly paying attention to utilizing, the proportion shared by renewable energy power generation improves the most rapidly.

(1) wind power generation:

Capture wind energy, be converted into electric energy and send into the wind energy turbine set of electrical network mainly by 5 part structures by transmission line of electricity Become: 1) wind power generating set (including converter plant);2) wind power generating set power frequency (50Hz) rises buckling Depressor (the port low-voltage of wind-driven generator is raised to middle pressure: 10KV, 35KV);3) collection electric line (will be divided Spread the wind power generating set put to be generated electricity and can collect);4) wind energy turbine set primary substation is (by voltage therefrom Press and continue to rise to high pressure: 110KV, 220KV);5) ultra-high-tension power transmission line.

Although wind power generation has been used widely, but still there is following problems: 1) wind-powered electricity generation has significantly Randomness and intermittence, electricity can be relatively unstable, needs by frequently regulating other kinds of generating The generated output of unit (such as thermal power generation unit) carries out network load balance, significantly reduces this kind of machine The economy that group is run;2) low voltage ride-through capability of most of Wind turbines is relatively low, occurs short at bulk power grid Road fault is easy off-grid when causing system voltage to reduce, and electrical network causes powerful impact, the safety to bulk power grid Stable operation constitutes the biggest danger;3) construction cost of marine wind electric field voltage boosting transforming platform is high;4) due to Being affected by capacitance charging current, at the bottom of high-pressure undersea, ac cable transmission line capability reduces rapidly with the increase of length; 5) having more wind power generation field from exchanging the distant of bulk power grid, long-distance sand transport capacity is very limited.

(2) solar electrical energy generation;

Large Copacity grid-connected solar energy power generating field is mainly made up of following 4 parts: 1) solar battery group Part (photovoltaic array);2) (DC inverter of solaode is become photovoltaic DC-to-AC converter by DC/AC inverter Alternating current) and power frequency (50Hz) booster transformer;3) photovoltaic generation field primary substation is (by voltage liter High to medium-pressure or high pressure: 35KV, 110KV, 220KV);4) ultra-high-tension power transmission line.

Similar with wind-power electricity generation, there is following problems in solar energy power generating: 1), solar electricity generation field is by season Joint, relatively big with the impact of weather round the clock, there is significant randomness and intermittence, electricity can be relatively unstable Fixed, need to be entered by the generated output of the frequently other kinds of generating set of regulation (such as thermal power generation unit) Row network load balances, and significantly reduces the economy of this kind of unit operation;2), some photovoltaic DC-to-AC converters Low voltage ride-through capability is relatively low, short trouble easy off-grid when causing system voltage to reduce occurs at bulk power grid, right Electrical network causes powerful impact, and the safe and stable operation of bulk power grid is constituted the biggest danger;3), there are more much appearances Amount solar electricity generation field is distant from exchange bulk power grid, and long-distance sand transport capacity is very limited.

Summary of the invention

The technical problem to be solved is the deficiency overcoming above-mentioned background technology, it is provided that a kind of renewable energy Source generating, power transmission and transformation and electrical network access integral system, and the reliability of this access system is high, can avoid electricity Net impacts or trawlnet, and has simple in construction, lower-cost feature.

The technical solution used in the present invention is as follows:

Renewable energy power generation, power transmission and transformation and electrical network access integral system, including several regenerative resources one Body elelctrochemical power generation unit, at least one HVDC transmission line, at least one high-power inverter and generating field Computer supervisory control system;It is characterized in that: the outfan of each described regenerative resource integrated power generation unit is even Receiving on high voltage dc bus, one end of HVDC transmission line is also connected on high voltage dc bus HVDC, The other end of HVDC transmission line is connected to the direct-flow input end of high-power inverter, high-power inverter Ac output end is connected to exchange bulk power grid;Generating field computer supervisory control system is connected with dispatching of power netwoks control centre And accept the traffic order of dispatching of power netwoks control centre, generating field computer supervisory control system also with regenerative resource one Body elelctrochemical power generation unit connects and issues generating setting value to regenerative resource integrated power generation unit.

Described regenerative resource integrated power generation unit includes a renewable energy power generation device, a modularity Great-power electromagnetic isolated form DC/DC unsteady flow increasing apparatus, an energy storage device and a cell controller;Can The outfan of generating set of renewable energy resource is connected on low-voltage direct bus LVDC, and energy storage device outfan also connects Receiving on same low-voltage direct bus LVDC, modular high-power electromagnetic isolation type DC/DC unsteady flow liter press-fits The low-pressure side put also is connected on same low-voltage direct bus LVDC, and high-pressure side is connected to the high pressure of generating field On dc bus HVDC, cell controller and renewable energy power generation device, modular high-power electromagnetic isolation Type DC/DC unsteady flow increasing apparatus, energy storage device connect.

Described renewable energy power generation device is at least one photovoltaic battery array, at least one is with based on IGBT The three-phase of module or the asynchronous wind driven generator of heterogeneous active PWM rectification circuit, at least one is with rectification circuit Permanent magnet direct-drive wind-force generating machine, at least one synchro wind generator with rectification circuit at least one Kind;

The outfan of photovoltaic battery array is all received on low-voltage direct bus LVDC;

Three-phase that the ac output end of asynchronous wind driven generator is corresponding with asynchronous wind driven generator or heterogeneous active PWM The ac input end of rectification circuit connects, and the DC output end of three-phase or heterogeneous active PWM rectification circuit is connected to On low-voltage direct bus LVDC;

The rectification that the ac input end of permanent magnet direct-drive wind-force generating machine is corresponding with permanent magnet direct-drive wind-force generating machine The ac input end of circuit connects, and the DC output end of this rectification circuit is connected on low-voltage direct bus LVDC;

The exchange of the rectification circuit that the ac output end of synchro wind generator is corresponding with synchro wind generator is defeated Entering end to connect, the DC output end of this rectification circuit is connected on low-voltage direct bus LVDC;

The rectification circuit of described permanent magnet direct-drive wind-force generating machine or the rectification circuit of synchro wind generator be with One of lower form:

1) described rectification circuit is diode rectifier circuit;

2) described rectification circuit is that diode rectifier circuit adds Boost circuit;

3) described rectification circuit is that diode rectifier circuit adds pfc circuit;

4) described rectification circuit is three-phase based on IGBT module or heterogeneous active PWM rectification circuit.

Described cell controller includes microprocessor unit and connected signal acquisition circuit, communication mould Block;Signal acquisition circuit and described renewable energy power generation device, modular high-power electromagnetic isolation type DC/DC Unsteady flow increasing apparatus, energy storage device connect to gather analog-and digital-variable, communication module and described generating electric field meter Calculate machine monitoring system to connect.

Described energy storage device includes the two-way DC/DC current transformer of a non-electromagnetic isolation type and a super capacitor System, or the two-way DC/DC current transformer of a non-electromagnetic isolation type and a battery system;Non-electromagnetism One end of the two-way DC/DC current transformer of isolated form and low-voltage direct bus LVDC connect, the other end and accumulator System or super capacitor system connect.

The two-way DC/DC current transformer of described non-electromagnetic isolation type include a reactor L, capacitor C, Two IGBT or MOSFET modules T1, T2, two diodes D1, D2;Wherein,

IGBT or MOSFET module T1, diode D2, reactor L, capacitor C constitute a BUCK electricity Road;

IGBT or MOSFET module T2, diode D1, reactor L, capacitor C constitute a BOOST electricity Road.

Described modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus includes multiple identical electromagnetism Isolated form DC/DC current transformer, the input parallel connection of all electromagnetic isolation type DC/DC current transformers is followed by renewable On low-voltage direct bus LVDC in energy integrated power generation unit, all electromagnetic isolation type DC/DC current transformers Outfan in series or in parallel be followed by high voltage dc bus HVDC.

The structure of described electromagnetic isolation type DC/DC current transformer is one of following form:

1) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, LC series resonant circuit being made up of inductance Lr and electric capacity Cr, The high frequency transformer of secondary coil more than and multiple high-pressure sides rectification circuit;

Described high-pressure side rectification circuit is straight by a diode full bridge rectifier and diode full bridge rectifier The output filter circuit of stream side is constituted, and this output filter circuit is a capacitor or a LC filter circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, the exchange end of low-pressure side full-bridge inverter and LC series resonant circuit After series connection, the primary coil with high frequency transformer connects;

The secondary coil of the ac input end of each high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC unsteady flow after the DC output end cascade of all high-pressure sides rectification circuit The outfan of device;

2) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, a LLC being made up of inductance Lr and inductance Lm and electric capacity Cr are humorous Shake circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides rectification circuit;

Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit is a capacitor or a LC filter circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, in the exchange end of low-pressure side full-bridge inverter and LLC resonance circuit Inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LLC resonance circuit Inductance Lm and the parallel connection of primary windings of high frequency transformer;

The secondary coil of the ac input end of described high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC unsteady flow after the DC output end cascade of all high-pressure sides rectification circuit The outfan of device;

3) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, a LCC being made up of inductance Lr and electric capacity Cp and electric capacity Cr are humorous Shake circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides rectification circuit;

Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit is a capacitor or a LC filter circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, in the exchange end of low-pressure side full-bridge inverter and LCC resonance circuit Inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LCC resonance circuit Electric capacity Cp and the parallel connection of primary windings of high frequency transformer;

The secondary coil of the ac input end of described high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC unsteady flow after the DC output end cascade of all high-pressure sides rectification circuit The outfan of device;

4) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, LC series resonant circuit being made up of inductance Lr and electric capacity Cr, The high frequency transformer of secondary coil more than and multiple high-pressure sides voltage doubling rectifing circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, the exchange end of low-pressure side full-bridge inverter and LC series resonant circuit After series connection, the primary coil with high frequency transformer connects;

The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer;

5) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, a LLC being made up of inductance Lr and inductance Lm and electric capacity Cr are humorous Shake circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides voltage doubling rectifing circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, in the exchange end of low-pressure side full-bridge inverter and LLC resonance circuit Inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LLC resonance circuit Inductance Lm and the parallel connection of primary windings of high frequency transformer;

The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer;

6) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, a LCC being made up of inductance Lr and electric capacity Cp and electric capacity Cr are humorous Shake circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides voltage doubling rectifing circuit;

The DC terminal of described low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, in the exchange end of low-pressure side full-bridge inverter and LLC resonance circuit Inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LLC resonance circuit Electric capacity Cp and the parallel connection of primary windings of high frequency transformer;

The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer.

Described high-power inverter is current source inverter, or is at DC terminal series diode check (non-return) valve Voltage source inverter.

Described inductance Lr is single inductance element, or the leakage inductance of described high frequency transformer;Another institute Stating inductance Lm is single inductance element, or the magnetizing inductance of described high frequency transformer.

The invention have the advantages that: regenerative resource (wind energy, solar energy) TRT is through one Modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus based on high frequency technique is carried out: unsteady flow, electromagnetism Being directly connected to high voltage dc bus after isolation, boosting, electricity directly can pass through DC power transmission line and exchange Grid side inverter input AC bulk power grid;Further, low-voltage direct side configuration certain capacity energy storage device with Improve the adjustability of renewable energy power generation plan;With traditional regenerative resource (wind energy, solar energy) generating Field and transmission system thereof are compared, and the present invention uses HVDC Transmission Technology to be transported to exchange big electricity by the electric energy sent Net, regenerative resource (wind energy, solar energy) generating field need not: 1) duplex frequency boostering transformer;2) power frequency Inverter;3) generating field power transmission and transforming equipment (main transformer, chopper etc.).

Therefore the technology of the present invention drastically increases the adjustable of regenerative resource (wind energy, solar energy) generation schedule Property, electric energy conveying capacity, low voltage ride-through capability, add reliability, improve the quality of power supply, save Substantial amounts of raw material (stalloy, copper conductor), reduce holistic cost.Particularly when being applied to Oversea wind Time on power generation project, owing to have employed high frequency transformer in DC/DC current transformer and carrying out boosting, isolation technology, Significantly reduce the volume and weight of booster transformer, therefore can also greatly save blower fan offshore platform (basic) and the construction cost of wind energy turbine set primary substation sea level platform.

Accompanying drawing explanation

Fig. 1 is the electrical block diagram of the present invention.

Fig. 2 a and Fig. 2 b is the circuit structure diagram of " regenerative resource integrated power generation unit " in Fig. 1.

Fig. 3 a and Fig. 3 b is that in Fig. 2 a and Fig. 2 b, " modular high-power electromagnetic isolation type DC/DC unsteady flow is boosted Device " electrical block diagram.

Fig. 4 a is the circuit diagram of one of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Fig. 4 b is the circuit diagram of the two of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Fig. 4 c is the circuit diagram of the three of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Fig. 4 d is the circuit diagram of the four of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Fig. 4 e is the circuit diagram of the five of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Fig. 4 f is the circuit diagram of the six of " electromagnetic isolation type DC/DC current transformer " embodiment in Fig. 3 a and Fig. 3 b.

Detailed description of the invention

Below in conjunction with Figure of description, the invention will be further described, but the invention is not limited in following reality Execute example.

As it is shown in figure 1, renewable energy power generation of the present invention, power transmission and transformation and electrical network access integral system, Including several regenerative resource integrated power generation unit 1, at least one HVDC transmission lines 2, at least One high-power inverter 3 and generating field computer supervisory control system 4.Each regenerative resource integrated power generation The outfan of unit is HVDC, and is all connected in parallel on same high voltage dc bus HVDC;Described One end of HVDC transmission line is also connected with same high voltage dc bus HVDC, high-voltage dc transmission electric wire The other end on road is connected to the direct-flow input end of described high-power inverter, described high-power inverter Ac output end is connected to exchange bulk power grid.The function of high-power inverter be unidirectional current is converted to alternating current after Deliver to exchange bulk power grid, current source inverter can be used, it would however also be possible to employ at DC terminal series diode only The voltage source inverter of inverse valve;The function of diode check (non-return) valve is when short trouble occurs in DC power transmission line Prevent exchanging bulk power grid and inject fault current to DC side.

Described generating field computer supervisory control system generating field computer supervisory control system 4(routine monitoring system), with Dispatching of power netwoks control centre connects, and monitors the state of each equipment in generating field in real time, accepts in dispatching of power netwoks control The traffic order of the heart, issue generating setting value to described regenerative resource integrated power generation unit.Described can The electricity that renewable sources of energy integrated power generation unit issues is through described HVDC transmission line and high-power inverse Become device to be transported to exchange bulk power grid.

Fig. 2 a and Fig. 2 b is the circuit structure diagram of the regenerative resource integrated power generation unit in Fig. 1, and this can be again Raw energy integrated power generation unit includes: one or more renewable energy power generation devices, a big merit of modularity Rate electromagnetic isolation type DC/DC unsteady flow increasing apparatus, an energy storage device and a cell controller.Renewable The outfan of energy source electric generating device is connected on low-voltage direct bus LVDC;Energy storage device output is also connected to same Article one, on low-voltage direct bus LVDC;Modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus low Pressure side is also connected on same low-voltage direct bus LVDC, and modular high-power electromagnetic isolation type DC/DC becomes The high-pressure side of stream increasing apparatus is connected on the high voltage bus HVDC of generating field.

Described renewable energy power generation device is the combination of a kind of or at least two in following form:

1) described renewable energy power generation device is one or more photovoltaic battery arrays (Fig. 2 b);

2) described renewable energy power generation device is one or more with three-phase or heterogeneous based on IGBT module The asynchronous wind driven generator (Fig. 2 a) of PWM active rectification circuit:

3) described renewable energy power generation device is one or more permanent magnet direct-driven wind-force with rectification circuit Electromotor;

4) described renewable energy power generation device is one or more synchro wind generators with rectification circuit.

The rectification circuit of described permanent magnet direct-drive wind-force generating machine can be conventional diode rectifier circuit;Also may be used Being that conventional diode rectifier circuit is plus Boost circuit;The diode rectifier circuit that can also be conventional adds Upper pfc circuit;Can also be three-phase based on IGBT module or heterogeneous PWM active rectification circuit (the most equal For conventional rectification circuit, do not describe in detail).

The rectification circuit of described synchro wind generator can be conventional diode rectifier circuit;Can also be normal The diode rectifier circuit of rule is plus Boost circuit;Can also be that conventional diode rectifier circuit is plus PFC Circuit;Can also be three-phase based on IGBT module or heterogeneous PWM active rectification circuit (is routine above Rectification circuit, does not describes in detail).

The outfan of described photovoltaic battery array is all received on low-voltage direct bus LVDC.Asynchronous wind driven generator The ac output end of (or permanent magnet direct-drive wind-force generating machine, or synchro wind generator) is corresponding The ac input end of rectification circuit connects, rectification circuit DC output end be connected to low-voltage direct bus LVDC On.

Described energy storage device in Fig. 2 a and Fig. 2 b, including the two-way DC/DC unsteady flow of a non-electromagnetic isolation type Device (outward available from), super capacitor system (outward available from);Or described energy storage device include one non- The two-way DC/DC current transformer of electromagnetic isolation type, battery system (outward available from).Non-electromagnetic isolation type One end of two-way DC/DC current transformer and low-voltage direct bus LVDC connect, the other end and battery system or Super capacitor system connects.

The two-way DC/DC current transformer of above-mentioned non-electromagnetic isolation type, including a reactor L, a capacitor C, two IGBT or MOSFET modules T1, T2;Two diodes D1, D2 are constituted.Wherein IGBT or MOSFET Module T1, diode D2, reactor L, capacitor C constitute a typical BUCK circuit, during work by Low-voltage direct bus LVDC charges to battery system (or super capacitor system);IGBT or MOSFET module T2, diode D1, reactor L, capacitor C constitute a typical BOOST circuit, accumulator during work System (or super capacitor system) is discharged to low-voltage direct bus LVDC.

Described cell controller (buyable acquisition) in Fig. 2 a and Fig. 2 b, including a microprocessor unit And a connected signal acquisition circuit, a communication module.Signal acquisition circuit is renewable with described Energy source electric generating device, modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus, energy storage device connect, Gather the analog-and digital-variable in regenerative resource integrated power generation unit;Communication module and generating field computer Monitoring system connects, and is responsible for and the function of generating field computer monitoring system communication;Microprocessor unit is based on adopting After the generating setting value that signal that sample obtains, generating field computer supervisory control system issue carries out calculating process, output Modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus, energy storage device are controlled by control signal. Maximal power tracing (MPPT) function of photovoltaic power generation apparatus also realizes in this controller.

As shown in Figure 3 a and Figure 3 b shows, described modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus by Multiple identical electromagnetic isolation type DC/DC current transformers form, and major function is that low dc voltage is raised to height DC voltage, and high pressure and low-voltage direct-current system are carried out electromagnetic isolation.All electromagnetic isolation type DC/DC unsteady flows The input parallel connection of device is followed by the low-voltage direct bus LVDC in regenerative resource integrated power generation unit;All The outfan of electromagnetic isolation type DC/DC current transformer has a following two structure: 1) all electromagnetic isolation types DC/DC Current transformer series connection is followed by high voltage dc bus HVDC (Fig. 3 a);2) all electromagnetic isolation types DC/DC become The outfan parallel connection of stream device is followed by high voltage dc bus HVDC (Fig. 3 b).

Described electromagnetic isolation type DC/DC current transformer has an embodiment in following 6:

Embodiment one: as shown in fig. 4 a, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter that MOSFET is constituted and DC capacitor thereof, one be made up of inductance Lr and electric capacity Cr LC series resonant circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides rectification circuit.Described High-pressure side rectification circuit is made up of a diode full bridge rectifier and DC side output filter circuit thereof, and this is defeated Going out filter circuit can be a capacitor, it is also possible to be a LC filter circuit.Described inductance Lr is permissible Make single inductance element, it is also possible to be the leakage inductance of described high frequency transformer;Low-pressure side full-bridge inverter straight Stream end is connected in parallel on low-voltage direct bus LVDC as the input of described electromagnetic isolation type DC/DC current transformer, Low-pressure side full-bridge inverter exchange end connect with LC series resonant circuit after and the primary coil of high frequency transformer Connect.The secondary coil of the input (exchange end) of high-pressure side rectification circuit high frequency transformer corresponding thereto Connect.As described electromagnetic isolation type after outfan (DC terminal) cascade of multiple high-pressure sides rectification circuit The outfan of DC/DC current transformer.

Embodiment two: as shown in Figure 4 b, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter and DC capacitor thereof that MOSFET is constituted, one by inductance Lr and inductance Lm and electricity Hold LLC resonance circuit, the high frequency transformer of secondary coil more than and the rectification of multiple high-pressure sides of Cr composition Circuit.Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit can be a capacitor, it is also possible to be a LC filter circuit.Described Inductance Lr can be single inductance element, it is also possible to be the leakage inductance of described high frequency transformer, described in another Inductance Lm can be single inductance element, it is also possible to be the magnetizing inductance of described high frequency transformer.Low The DC terminal of pressure side full-bridge inverter is connected in parallel on low as the input of described electromagnetic isolation type DC/DC current transformer On pressure dc bus LVDC, the inductance Lr in exchange end and the LLC resonance circuit of low-pressure side full-bridge inverter with And electric capacity Cr series connection after and high frequency transformer primary coil connect, the inductance Lm in LLC resonance circuit and height The parallel connection of primary windings of frequency power transformer.The input (exchange end) of high-pressure side rectification circuit height corresponding thereto The secondary coil of frequency power transformer connects, conduct after outfan (DC terminal) cascade of multiple high-pressure sides rectification circuit The outfan of described electromagnetic isolation type DC/DC current transformer.

Embodiment three: as illustrated in fig. 4 c, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter and DC capacitor thereof that MOSFET is constituted, one by inductance Lr and electric capacity Cp and electricity Hold LCC resonance circuit, the high frequency transformer of secondary coil more than and the rectification of multiple high-pressure sides of Cr composition Circuit.Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit can be a capacitor, it is also possible to be a LC filter circuit.Described Inductance Lr can be single inductance element, it is also possible to be the leakage inductance of described high frequency transformer.Low-pressure side is complete The DC terminal of bridge inverter is connected in parallel on low-voltage direct as the input of described electromagnetic isolation type DC/DC current transformer On bus LVDC, exchange end and the inductance Lr in LCC resonance circuit and the electric capacity of low-pressure side full-bridge inverter After Cr series connection, the primary coil with high frequency transformer connects, the electric capacity Cp in LCC resonance circuit and high frequency transformation The parallel connection of primary windings of device.The input (exchange end) of high-pressure side rectification circuit high frequency transformation corresponding thereto The secondary coil of device connects, as described after outfan (DC terminal) cascade of multiple high-pressure sides rectification circuit The outfan of electromagnetic isolation type DC/DC current transformer.

Embodiment four: as shown in figure 4d, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter that MOSFET is constituted and DC capacitor thereof, one be made up of inductance Lr and electric capacity Cr LC series resonant circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides voltage doubling rectifing circuit. Described inductance Lr can be single inductance element, it is also possible to be the leakage inductance of described high frequency transformer.Low The DC terminal of pressure side full-bridge inverter is connected in parallel on low as the input of described electromagnetic isolation type DC/DC current transformer Pressure dc bus LVDC on, after the exchange end of low-pressure side full-bridge inverter is connected with LC series resonant circuit and height The primary coil of frequency power transformer connects.The input of high-pressure side voltage doubling rectifing circuit high frequency transformation corresponding thereto The secondary coil of device connects.As institute after outfan (DC terminal) cascade of multiple high-pressure sides voltage doubling rectifing circuit The outfan of the electromagnetic isolation type DC/DC current transformer stated.

Embodiment five: as shown in fig 4e, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter and DC capacitor thereof that MOSFET is constituted, one by inductance Lr and inductance Lm and electricity Hold LLC resonance circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides multiplication of voltage of Cr composition Rectification circuit.The DC terminal of low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Enter end to be connected in parallel on low-voltage direct bus LVDC, the exchange end of low-pressure side full-bridge inverter and LLC resonance circuit In inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LLC resonance circuit Inductance Lm and the parallel connection of primary windings of high frequency transformer.Described inductance Lr can be single inductance element, Can also be the leakage inductance of described high frequency transformer, another described inductance Lm can be single inductance element, It can also be the magnetizing inductance of described high frequency transformer.The input (exchange end) of high-pressure side voltage doubling rectifing circuit The secondary coil of high frequency transformer corresponding thereto connects.The outfan of multiple high-pressure sides voltage doubling rectifing circuit As the outfan of described electromagnetic isolation type DC/DC current transformer after (DC terminal) cascade.

Embodiment six: as shown in fig. 4f, described electromagnetic isolation type DC/DC current transformer include one by IGBT or Low-pressure side full-bridge inverter and DC capacitor thereof that MOSFET is constituted, one by inductance Lr and electric capacity Cp and electricity Hold LCC resonance circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides multiplication of voltage of Cr composition Rectification circuit.Described inductance Lr can be single inductance element, it is also possible to be described high frequency transformer Leakage inductance.The DC terminal of low-pressure side full-bridge inverter is as the input of described electromagnetic isolation type DC/DC current transformer End is connected in parallel on low-voltage direct bus LVDC, in the exchange end of low-pressure side full-bridge inverter and LLC resonance circuit Inductance Lr and electric capacity Cr series connection after and high frequency transformer primary coil connect, in LLC resonance circuit Electric capacity Cp and the parallel connection of primary windings of high frequency transformer.The input (exchange end) of high-pressure side voltage doubling rectifing circuit The secondary coil of high frequency transformer corresponding thereto connects.The outfan of multiple high-pressure sides voltage doubling rectifing circuit As the outfan of described electromagnetic isolation type DC/DC current transformer after (DC terminal) cascade.

In the present invention, all of electronic component and the equal buyable of electronic equipment obtain.

Claims (1)

1. renewable energy power generation, power transmission and transformation and electrical network access integral system, including several renewable energies Resource integrated generator unit (1), at least one HVDC transmission line (2), at least one is high-power inverse Become device (3) and generating field computer supervisory control system (4);It is characterized in that: each described regenerative resource The outfan of integrated power generation unit (1) is connected on high voltage dc bus (HVDC), D.C. high voltage transmission One end of circuit (2) is also connected on high voltage dc bus (HVDC), HVDC transmission line (2) The other end be connected to the direct-flow input end of high-power inverter (3), the exchange of high-power inverter (3) Outfan is connected to exchange bulk power grid;Generating field computer supervisory control system (4) and dispatching of power netwoks control centre (5) Connect and accept the traffic order of dispatching of power netwoks control centre, generating field computer supervisory control system (4) also with can Renewable sources of energy integrated power generation unit (1) connect and issue to regenerative resource integrated power generation unit (1) Generating setting value;
Described regenerative resource integrated power generation unit includes a renewable energy power generation device, a module Change great-power electromagnetic isolated form DC/DC unsteady flow increasing apparatus, an energy storage device and a cell controller; The outfan of renewable energy power generation device is connected on low-voltage direct bus (LVDC), and energy storage device exports End is also connected on same low-voltage direct bus (LVDC), modular high-power electromagnetic isolation type DC/DC The low-pressure side of unsteady flow increasing apparatus is also connected on same low-voltage direct bus (LVDC), and high-pressure side connects On the high voltage dc bus (HVDC) of generating field, cell controller and renewable energy power generation device, mould Massing great-power electromagnetic isolated form DC/DC unsteady flow increasing apparatus, energy storage device connect;
Described renewable energy power generation device be at least one photovoltaic battery array, at least one with based on The three-phase of IGBT module or the asynchronous wind driven generator of heterogeneous active PWM rectification circuit, at least one is with whole In the permanent magnet direct-drive wind-force generating machine of current circuit, at least one synchro wind generator with rectification circuit At least one;
The outfan of photovoltaic battery array is all received on low-voltage direct bus (LVDC);
Three-phase that the ac output end of asynchronous wind driven generator is corresponding with asynchronous wind driven generator or heterogeneous active The ac input end of PWM rectification circuit connects, and the DC output end of three-phase or heterogeneous active PWM rectification circuit is even Receive on low-voltage direct bus (LVDC);
The rectification that the ac input end of permanent magnet direct-drive wind-force generating machine is corresponding with permanent magnet direct-drive wind-force generating machine The ac input end of circuit connects, and the DC output end of this rectification circuit is connected to low-voltage direct bus (LVDC) On;
The exchange of the rectification circuit that the ac output end of synchro wind generator is corresponding with synchro wind generator is defeated Entering end to connect, the DC output end of this rectification circuit is connected on low-voltage direct bus (LVDC);
The rectification circuit of described permanent magnet direct-drive wind-force generating machine or the rectification circuit of synchro wind generator be with One of lower form:
1) described rectification circuit is diode rectifier circuit;
2) described rectification circuit is that diode rectifier circuit adds Boost circuit;
3) described rectification circuit is that diode rectifier circuit adds pfc circuit;
4) described rectification circuit is three-phase based on IGBT module or heterogeneous active PWM rectification circuit;
Described cell controller includes microprocessor unit and connected signal acquisition circuit, communication mould Block;Signal acquisition circuit and described renewable energy power generation device, modular high-power electromagnetic isolation type DC/DC Unsteady flow increasing apparatus, energy storage device connect to gather analog-and digital-variable, communication module and described generating field Computer supervisory control system connects;
Described energy storage device includes the two-way DC/DC current transformer of a non-electromagnetic isolation type and a super electricity Appearance system, or the two-way DC/DC current transformer of a non-electromagnetic isolation type and a battery system;Non- One end of the two-way DC/DC current transformer of electromagnetic isolation type and low-voltage direct bus (LVDC) connect, the other end Connect with battery system or super capacitor system;
The two-way DC/DC current transformer of described non-electromagnetic isolation type includes a reactor (L), a capacitor (C), two IGBT or MOSFET modules (T1, T2), two diodes (D1, D2);Wherein,
Number IGBT or MOSFET module (T1), No. two diodes (D2), reactor (L), capacitors (C) a BUCK circuit is constituted;
No. two IGBT or MOSFET modules (T2), diode (D1), reactor (L), capacitors (C) a BOOST circuit is constituted;
Described modular high-power electromagnetic isolation type DC/DC unsteady flow increasing apparatus includes multiple identical electromagnetism Isolated form DC/DC current transformer, the input parallel connection of all electromagnetic isolation type DC/DC current transformers is followed by can be again On low-voltage direct bus (LVDC) in raw energy integrated power generation unit, all electromagnetic isolation types DC/DC The outfan of current transformer is in series or in parallel to be followed by high voltage dc bus (HVDC);
The structure of described electromagnetic isolation type DC/DC current transformer is one of following form:
1) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, one be made up of the first inductance (Lr) and the first electric capacity (Cr) LC series resonant circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides rectification circuit;
Described high-pressure side rectification circuit is straight by a diode full bridge rectifier and diode full bridge rectifier The output filter circuit of stream side is constituted, and this output filter circuit is a capacitor or a LC filter circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Entering end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter is connected humorous with LC Shake after circuit connected in series and the primary coil of high frequency transformer connects;
The secondary coil of the ac input end of each high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, become as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides rectification circuit The outfan of stream device;
2) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, one by the second inductance (Lr) and the 3rd inductance (Lm) and second LLC resonance circuit, the high frequency transformer of secondary coil more than and the multiple high pressure that electric capacity (Cr) forms Side rectification circuit;
Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit is a capacitor or a LC filter circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Enter end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter and LLC resonance After the second inductance (Lr) in circuit and the second electric capacity (Cr) series connection and the primary coil of high frequency transformer Connect, the 3rd inductance (Lm) and the parallel connection of primary windings of high frequency transformer in LLC resonance circuit;
The secondary coil of the ac input end of described high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, become as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides rectification circuit The outfan of stream device;
3) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, one by the 4th inductance (Lr) and the 3rd electric capacity (Cp) and the 4th LCC resonance circuit, the high frequency transformer of secondary coil more than and the multiple high pressure that electric capacity (Cr) forms Side rectification circuit;
Described high-pressure side rectification circuit is by a diode full bridge rectifier and DC side output filter circuit thereof Constituting, this output filter circuit is a capacitor or a LC filter circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Enter end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter and LCC resonance After the 4th inductance (Lr) in circuit and the series connection of the 4th electric capacity (Cr) and the primary coil of high frequency transformer Connect, the 3rd electric capacity (Cp) and the parallel connection of primary windings of high frequency transformer in LCC resonance circuit;
The secondary coil of the ac input end of described high-pressure side rectification circuit high frequency transformer corresponding thereto is even Connect, become as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides rectification circuit The outfan of stream device;
4) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor, a LC being made up of the 5th inductance (Lr) and the 5th electric capacity (Cr) Series resonant circuit, the high frequency transformer of secondary coil more than and multiple high-pressure sides voltage doubling rectifing circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Entering end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter is connected humorous with LC Shake after circuit connected in series and the primary coil of high frequency transformer connects;
The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer;
5) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, one by the 6th inductance (Lr) and the 7th inductance (Lm) and the 6th LLC resonance circuit, the high frequency transformer of secondary coil more than and the multiple high pressure that electric capacity (Cr) forms Side voltage doubling rectifing circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Enter end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter and LLC resonance After the 6th inductance (Lr) in circuit and the series connection of the 6th electric capacity (Cr) and the primary coil of high frequency transformer Connect, the 7th inductance (Lm) and the parallel connection of primary windings of high frequency transformer in LLC resonance circuit;
The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer;
6) described electromagnetic isolation type DC/DC current transformer includes a low-pressure side being made up of IGBT or MOSFET Full-bridge inverter and DC capacitor thereof, one by the 8th inductance (Lr) and the 7th electric capacity (Cp) and the 8th LCC resonance circuit, the high frequency transformer of secondary coil more than and the multiple high pressure that electric capacity (Cr) forms Side voltage doubling rectifing circuit;
The DC terminal of described low-pressure side full-bridge inverter is defeated as described electromagnetic isolation type DC/DC current transformer Enter end to be connected in parallel on low-voltage direct bus (LVDC), the exchange end of low-pressure side full-bridge inverter and LCC resonance After the 8th inductance (Lr) in circuit and the series connection of the 8th electric capacity (Cr) and the primary coil of high frequency transformer Connect, the 7th electric capacity (Cp) and the parallel connection of primary windings of high frequency transformer in LCC resonance circuit;
The secondary coil of the input of described high-pressure side voltage doubling rectifing circuit high frequency transformer corresponding thereto is even Connect, as described electromagnetic isolation type DC/DC after the DC output end cascade of all high-pressure sides voltage doubling rectifing circuit The outfan of current transformer;
Described high-power inverter is current source inverter, or is at DC terminal series diode check (non-return) valve Voltage source inverter;
Described first, second, the four, the five, the six, the 8th inductance (Lr) are single inductance element, Or the leakage inductance of described high frequency transformer;Described three, the 7th inductance (Lm) are single inductance unit Part, or the magnetizing inductance of described high frequency transformer.
CN201310589012.8A 2013-11-20 2013-11-20 Renewable energy power generation, power transmission and transformation and electrical network access integral system CN103607032B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310589012.8A CN103607032B (en) 2013-11-20 2013-11-20 Renewable energy power generation, power transmission and transformation and electrical network access integral system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310589012.8A CN103607032B (en) 2013-11-20 2013-11-20 Renewable energy power generation, power transmission and transformation and electrical network access integral system

Publications (2)

Publication Number Publication Date
CN103607032A CN103607032A (en) 2014-02-26
CN103607032B true CN103607032B (en) 2016-08-17

Family

ID=50125237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310589012.8A CN103607032B (en) 2013-11-20 2013-11-20 Renewable energy power generation, power transmission and transformation and electrical network access integral system

Country Status (1)

Country Link
CN (1) CN103607032B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103986330B (en) * 2014-05-28 2017-05-31 东南大学 A kind of resonance step-up DC/DC conversion device and its control method suitable for high-power occasion
CN104135157B (en) * 2014-07-07 2017-03-29 中国电子科技集团公司第四十一研究所 A kind of high voltage power supply power conversion circuit
AU2015289111B2 (en) 2014-07-17 2019-01-24 Abb Schweiz Ag Power converter system for renewable energy sources
CN104242433A (en) * 2014-09-22 2014-12-24 安徽启光能源科技研究院有限公司 Energy management system for mixed energy source power station
CN104269843B (en) * 2014-10-29 2017-12-19 珠海格力电器股份有限公司 PV air-conditioner power supply circuit and PV air-conditioner
CN104600749B (en) * 2015-02-06 2016-09-14 中国科学院广州能源研究所 A kind of hierarchical synchronization control method being applicable to micro-capacitance sensor
US10411473B2 (en) * 2017-01-05 2019-09-10 General Electric Company Power converter for energy systems
CN107492904A (en) * 2017-07-11 2017-12-19 珠海光普海洋生态科技有限公司 A kind of wind energy and the network system of solar energy intelligent power generation power supply
CN108561278B (en) * 2018-04-09 2020-01-21 北京中清智辉能源科技有限公司 Wind-powered electricity generation field computer monitored control system
CN109490004A (en) * 2018-12-29 2019-03-19 珠海九源电力电子科技有限公司 A kind of symmetrical expression electromagnetic drive experimental system and control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623986A (en) * 2011-01-28 2012-08-01 科孚德机电技术有限公司 Power collection and transmission system
CN102709936A (en) * 2012-05-15 2012-10-03 江苏固德威电源科技有限公司 Multi-level photovoltaic grid-connected inverter with isolation transformer
CN103219740A (en) * 2012-01-18 2013-07-24 同济大学 Grid connecting system of permanent magnet synchronous wind driven generator
CN203589824U (en) * 2013-11-20 2014-05-07 梁一桥 Renewable energy power generation, power transmission and transformation and power grid access integration system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE518121C2 (en) * 1999-12-23 2002-08-27 Abb Ab Electric power systems based on renewable energy sources
JP2006025591A (en) * 2004-06-08 2006-01-26 Toshiba Corp Vehicular power supply device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623986A (en) * 2011-01-28 2012-08-01 科孚德机电技术有限公司 Power collection and transmission system
CN103219740A (en) * 2012-01-18 2013-07-24 同济大学 Grid connecting system of permanent magnet synchronous wind driven generator
CN102709936A (en) * 2012-05-15 2012-10-03 江苏固德威电源科技有限公司 Multi-level photovoltaic grid-connected inverter with isolation transformer
CN203589824U (en) * 2013-11-20 2014-05-07 梁一桥 Renewable energy power generation, power transmission and transformation and power grid access integration system

Also Published As

Publication number Publication date
CN103607032A (en) 2014-02-26

Similar Documents

Publication Publication Date Title
Kouro et al. Grid-connected photovoltaic systems: An overview of recent research and emerging PV converter technology
Bacha et al. Photovoltaics in microgrids: An overview of grid integration and energy management aspects
CN102377192B (en) Direct-driving wave power-generating and energy-storing device and control method
CN102931653B (en) Comprehensive coordination control method of wind-solar direct current micro-grid
Sujitha et al. RES based EV battery charging system: A review
Carrasco et al. Power-electronic systems for the grid integration of renewable energy sources: A survey
Little et al. Electrical integration of renewable energy into stand-alone power supplies incorporating hydrogen storage
CN202651785U (en) AC/DC mixed type micro-grid system
CN102738836B (en) Alternating current and direct current hybrid micro power grid system and control method thereof
CN202817753U (en) Microgrid system structure based on comprehensive application and research
CN201590771U (en) Multipurpose large-power controllable power source
CN104467005B (en) The control method of T-shaped three-level three-phase four-bridge arm grid-connected photovoltaic system
Xue et al. Topologies of single-phase inverters for small distributed power generators: an overview
CN101860270B (en) Access system for adequately utilizing wind energy and solar energy and realization method thereof
CN103236706B (en) The battery energy storage system of transformation topology is handed over based on modular multilevel
Chen et al. A comparison of medium voltage high power DC/DC converters with high step-up conversion ratio for offshore wind energy systems
CN103178742B (en) A kind of combined bidirectional DC/AC converter topologies
CN103236712A (en) Direct-current micro-grid system and control method thereof
CN203690940U (en) Nested-type microgrid system
CN104426157B (en) Energy storage module and energy storage device
AU2008323597B2 (en) Electrical energy and distribution system
CN106026754B (en) Multi-purpose bidirectional power power experiment power supply system and its control method
CN201194333Y (en) Solar photovoltaic parallel-in system
CN104769804A (en) Turbine-based energy generation system with DC output
CN103278717A (en) New energy integrated grid-connected testing device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

Termination date: 20171120