CN104578872A - Wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device - Google Patents
Wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device Download PDFInfo
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- CN104578872A CN104578872A CN201510031025.2A CN201510031025A CN104578872A CN 104578872 A CN104578872 A CN 104578872A CN 201510031025 A CN201510031025 A CN 201510031025A CN 104578872 A CN104578872 A CN 104578872A
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- inverter
- power generation
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- energy
- control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device. The wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device comprises a wind energy power generation device, a solar energy power generation device and a hydrogen energy power generation device; the wind energy power generation device is connected with an inverter module through a rectifier module, the solar energy power generation device and the hydrogen energy power generation device are each connected with a rectifier module, and the output ends of the rectifier modules are connected in parallel to be connected with a load. The maximum output powers of the power generation devices are obtained through a control module, and the rectifier module corresponding to the power generation device with the maximum output power serves as a main inverter; the other rectifier modules serve as auxiliary inverters, and the auxiliary inverters conduct output along with the main inverter; the rectifier modules are voltage/current loop control inverters, and mode switching can be carried out according to the master-slave relation of the inverters. By means of the wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device, master-slave control over the parallel inverters is carried out, the problem of inverter internal backflow caused by uneven power distribution in an existing parallel inverting system is solved, and damage to the inverters is avoided.
Description
Technical field:
The present invention relates to power technology, be specifically related to a kind of new forms of energy mixed power generation parallel inverter control appliance.
Background technology:
Along with the continuous consumption of traditional fossil energy, such as the research such as photovoltaic generation, wind power generation of generation of electricity by new energy technology receives paying close attention to of various countries.For effectively improving generation of electricity by new energy efficiency, in application process, normal employing mixed power generation mode, and be connected with AC load, then more contribute to the popularization of new forms of energy mixed power generation technology, therefore in new forms of energy hybrid power system, inverter plays vital effect.
Because generation of electricity by new energy characteristic is different, if adopt an inverter to satisfy the demands.This just requires that each new forms of energy all needs an inverter, is powered together by the output of the multiple inverter of parallel connection to AC load.But multiple inverter is in parallel process, if power division is uneven, can backflow be produced at inverter internal, damage is caused to inverter.
Summary of the invention:
The object of the invention is for the problems referred to above, a kind of new forms of energy mixed power generation parallel inverter control appliance is provided.
To achieve these goals, the present invention adopts following technical scheme:
A kind of wind energy, solar energy and Hydrogen Energy mixed power generation parallel inverter control device, it is characterized in that: comprise wind electricity generating system, device of solar generating and hydrogen power generation device, described wind electricity generating system is connected with inverter module through rectification module, described device of solar generating is connected with inverter module respectively with hydrogen power generation device, is connected after the output parallel connection of described inverter module with load.
Described inverter module comprises the control module and AC/DC modular converter that control Blast Furnace Top Gas Recovery Turbine Unit (TRT) power output, and described control module is connected with Blast Furnace Top Gas Recovery Turbine Unit (TRT) output.
The peak power output of current each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is obtained, using the inverter module corresponding to Blast Furnace Top Gas Recovery Turbine Unit (TRT) maximum for power output as main inverter by described control module; All the other inverter modules, as from inverter, are followed main inverter and are exported.
Described inverter module is voltage/current ring control inverter, can carry out pattern switching according to the master slave relation of inverter.
When described inverter module is as main inverter, adopts Voltage loop to control, detect the output voltage in load, regulated by control module and make voltage to rated value.
When described inverter module is as during from inverter, adopt current loop control, by detecting the output current in load, being regulated by control module and making electric current to load desirable value.
Compared with prior art, the advantage of this wind energy, solar energy and Hydrogen Energy mixed power generation parallel inverter control device is: inverter can carry out the switching of master-slave control method, avoid the inverter internal backflow phenomenon caused due to power division inequality in existing parallel inverter system, prevent inverter from being damaged.
Accompanying drawing illustrates:
Fig. 1 is wind energy provided by the invention, solar energy and Hydrogen Energy mixed power generation parallel inverter control device structural representation.
In figure: wind electricity generating system 1, rectification module 1a, device of solar generating 2, hydrogen power generation device 3, inverter module 4, control module 4a, AC/DC modular converter 4b, load 5.
Embodiment:
Below in conjunction with drawings and Examples, the present invention is described further.
In embodiments of the present invention, be illustrated in figure 1 wind energy, solar energy and Hydrogen Energy hybrid power system, wherein 1 is wind power generation plant, and 2 is photovoltaic power generation apparatus, and 3 is hydrogen power generation device.Wind power generation plant 1 first becomes direct current by rectification module 1a and exports, then be connected with the control module 4a in inverter module 4, control module 4a is connected with AC/DC modular converter 4b, utilize control module 4a to obtain the power output of front operational environment apparatus for lower wind Blast Furnace Top Gas Recovery Turbine Unit (TRT) by maximum power point computing function, the maximum power point calculating method used can for the power tracking method controlled based on existing tip speed ratio; Photovoltaic power generation apparatus 2 is connected with AC/DC modular converter 4b respectively by control module 4a with hydrogen power generation device 3, photovoltaic power generation apparatus 2 and the control module 4a corresponding to hydrogen power generation device have employed different maximum power tracking methods, photovoltaic power generation apparatus 2 can adopt disturbance observation, the existing method such as conductance increment method, control module 4a corresponding to hydrogen power generation device 3 can use existing resistance delta method to carry out power tracking, powers after the output parallel connection of three AC/DC modular converter 4b to load 5.
Control module 4a corresponding to each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is by maximum power point computing function, the power output of wind electricity generating system 1, device of solar generating 2 and hydrogen power generation device 3 under calculating current operating environment, inverter module 4 corresponding to maximum for a power output road is set to main inverter, and remaining inverter module 4 is set to from inverter.Main inverter adopts Voltage loop to control, and is regulated make the voltage of load place to rated value, for whole electricity generation system provides stable output voltage by control module 4a.Be operated in current loop control state from inverter, detect the output current in load, regulated by control module 4a and make electric current to load desirable value.
When the power output of Blast Furnace Top Gas Recovery Turbine Unit (TRT) changes, rejudge the size of Blast Furnace Top Gas Recovery Turbine Unit (TRT) power output to set principal and subordinate's inverter, and corresponding adjustment main inverter is Voltage loop state of a control, adjust from inverter be current loop control state.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.Because scope of the present invention is defined by appended claims, but not defined by specification, therefore fall into all changes in the border of claim and boundary, or thus the equivalent of this claim border and boundary is comprised by claim.
Claims (1)
1. a wind energy, solar energy and Hydrogen Energy mixed power generation parallel inverter control device, it is characterized in that: comprise wind electricity generating system (1), device of solar generating (2) and hydrogen power generation device (3), described wind electricity generating system (1) is connected with inverter module (4) through rectification module (1a), described device of solar generating (2) is connected with inverter module (4) respectively with hydrogen power generation device (3), is connected after the output parallel connection of described inverter module (4) with load (5);
Described inverter module (4) comprises the control module (4a) and AC/DC modular converter (4b) that control Blast Furnace Top Gas Recovery Turbine Unit (TRT) power output, and described control module (4a) is connected with Blast Furnace Top Gas Recovery Turbine Unit (TRT) output;
The peak power output of current each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is obtained, using the inverter module (4) corresponding to Blast Furnace Top Gas Recovery Turbine Unit (TRT) maximum for power output as main inverter by described control module (4a); All the other inverter modules (4), as from inverter, are followed main inverter and are exported;
Described inverter module (4) is voltage/current ring control inverter, can carry out pattern switching according to the master slave relation of inverter;
When described inverter module (4) is as main inverter, adopts Voltage loop to control, detect the output voltage in load (5), regulated by control module (4a) and make voltage to rated value;
When described inverter module (4) is as during from inverter, adopt current loop control, by detecting the output current flowing through load (5), being regulated by control module (4a) and making electric current to load desirable value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031025.2A CN104578872A (en) | 2015-01-13 | 2015-01-13 | Wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031025.2A CN104578872A (en) | 2015-01-13 | 2015-01-13 | Wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104578872A true CN104578872A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031025.2A Pending CN104578872A (en) | 2015-01-13 | 2015-01-13 | Wind energy, solar energy and hydrogen energy hybrid power generation parallel inverting control device |
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| CN (1) | CN104578872A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011557A (en) * | 2019-04-29 | 2019-07-12 | 深圳市英威腾光伏科技有限公司 | A kind of parallel operation method, device and the equipment of power frequency inverter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719687A (en) * | 2005-07-08 | 2006-01-11 | 浙江大学 | Automatic master-slave parallel apparatus for inverter |
| CN101478257A (en) * | 2008-12-04 | 2009-07-08 | 宁波大学 | Electric power inverter capable of parallel connection, inverter system and synchronization control method of the system |
| CN101545952A (en) * | 2009-04-24 | 2009-09-30 | 重庆大学 | Test method and test platform for performance of wind-photovoltaic-hydrogen comprehensive energy power generating system |
| CN201393183Y (en) * | 2009-03-10 | 2010-01-27 | 车孝轩 | Area grid-connected type photovoltaic system |
| CN103199561A (en) * | 2013-03-28 | 2013-07-10 | 昆山弗尔赛能源有限公司 | Wind-light-hydrogen complementary grid-connection power station based on fuel cells, wind energy and solar energy |
-
2015
- 2015-01-13 CN CN201510031025.2A patent/CN104578872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719687A (en) * | 2005-07-08 | 2006-01-11 | 浙江大学 | Automatic master-slave parallel apparatus for inverter |
| CN101478257A (en) * | 2008-12-04 | 2009-07-08 | 宁波大学 | Electric power inverter capable of parallel connection, inverter system and synchronization control method of the system |
| CN201393183Y (en) * | 2009-03-10 | 2010-01-27 | 车孝轩 | Area grid-connected type photovoltaic system |
| CN101545952A (en) * | 2009-04-24 | 2009-09-30 | 重庆大学 | Test method and test platform for performance of wind-photovoltaic-hydrogen comprehensive energy power generating system |
| CN103199561A (en) * | 2013-03-28 | 2013-07-10 | 昆山弗尔赛能源有限公司 | Wind-light-hydrogen complementary grid-connection power station based on fuel cells, wind energy and solar energy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011557A (en) * | 2019-04-29 | 2019-07-12 | 深圳市英威腾光伏科技有限公司 | A kind of parallel operation method, device and the equipment of power frequency inverter |
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