CN204179989U - Based on the scene oil complementary power generation system of DC bus - Google Patents

Based on the scene oil complementary power generation system of DC bus Download PDF

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Publication number
CN204179989U
CN204179989U CN201420539980.8U CN201420539980U CN204179989U CN 204179989 U CN204179989 U CN 204179989U CN 201420539980 U CN201420539980 U CN 201420539980U CN 204179989 U CN204179989 U CN 204179989U
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China
Prior art keywords
bus
power generation
load
generation unit
inverter
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Expired - Fee Related
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CN201420539980.8U
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Chinese (zh)
Inventor
何必荣
许亮
郭春禹
杨翠翠
郭莉莉
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Anhui Sun Create Electronic Co Ltd
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Anhui Sun Create Electronic Co Ltd
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Priority to CN201420539980.8U priority Critical patent/CN204179989U/en
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    • 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

Abstract

The utility model discloses a kind of scene based on DC bus oil complementary power generation system, comprising: solar power generation unit, wind power generation unit, diesel power generation unit, batteries, DC bus and inverter.The utility model adopts DC bus technology, and system architecture is simple and clear, and technical risk is little; Further, diesel power generation unit, through DC bus, by inverter powering load, avoids the impact switching and bring to load; Moreover electricity generation system of the present utility model has hybrid function, honourable resource priority, diesel engine standby, guarantees the normal power supply of important load.

Description

Based on the scene oil complementary power generation system of DC bus
Technical field
The utility model belongs to new energy field, is specifically related to a kind of honourable oily complementary power generation system.
Background technology
Wind-powered electricity generation and photovoltaic power generation technology are through the development of decades, and technology maturation, adopts new energy technology to solve the electrical problem of large quantities of areas without electricity.In the prior art, during wind power supply, solar powered or wind-photovoltaic complementary power supply system, diesel engine are powered, electrical power storage is in storage battery, reoffer to load when needing, when using, the electric energy of storage battery is converted to alternating current by inverter, the switching of oil machine and inverter is there is in whole process, and this switching can form impact to load, the useful life of load can be reduced.Further, most scene oil complementary power generation system lacks unified coordinated scheduling, and energy utilization rate is low, can not make full use of honourable regenerated resources.
Utility model content
In order to overcome the defect existed in prior art, the utility model provides a kind of scene based on DC bus oil complementary power generation system.The concrete technical scheme of the utility model is as follows:
A kind of oil of the scene based on DC bus complementary power generation system comprises:
Wind power generation unit, wind power generation unit comprises interconnective wind-driven generator and controller of fan;
Solar power generation unit, solar power generation unit comprises the photovoltaic module, header box and the controller for solar that connect successively;
Diesel power generation unit, diesel power generation unit comprises the diesel engine generator, diesel engine controller and the rectification module that connect successively;
Batteries; DC bus; And inverter; The output of the output of controller for solar, the output of controller of fan, rectification module and batteries connects the input of inverter by DC bus; The output of inverter connects load.
Further, electricity generation system also comprises ac bus; Load comprises DC load and AC load;
Inverter output end connects load by ac bus;
AC load directly connects ac bus, and inverter is powered directly to AC load after DC bus-bar voltage is transformed into alternating voltage;
DC load connects ac bus by one for Switching Power Supply alternating voltage being converted to direct voltage, powers after DC bus-bar voltage is transformed into alternating voltage by inverter through ac bus, Switching Power Supply to DC load.
Compared with prior art, the utility model adopts DC bus technology, and system architecture is simple and clear, and technical risk is little; Further, diesel power generation unit, through DC bus, by inverter powering load, avoids the impact switching and bring to load; Moreover electricity generation system of the present utility model has hybrid function, honourable resource priority, diesel engine standby, guarantees the normal power supply of important load.
Accompanying drawing explanation
Fig. 1 is electrical structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model in detail by way of example.
Embodiment 1
As shown in Figure 1, a kind of oil of the scene based on DC bus complementary power generation system, comprising: solar power generation unit 1, wind power generation unit 2, diesel power generation unit 3, batteries 4, DC bus 5 and inverter 6.
Wherein, solar power generation unit 1 comprises the photovoltaic module 11, header box 12, circuit breaker 13, lightning protection device 14 and the controller for solar 15 that connect successively; Wind power generation unit 2 comprises interconnective wind-driven generator 21, circuit breaker 22, lightning protection device 23 and controller of fan 24; Diesel power generation unit 3 comprises the diesel engine generator 31, diesel engine controller 32, circuit breaker 33 and the rectification module 34 that connect successively; The output of the output of controller for solar 15, the output of controller of fan 24, rectification module 34 and batteries 4 connects the input of inverter 6 by DC bus 5; The output of inverter 6 connects load 7.Wherein, circuit breaker and lightning protection device shield to equipment.
The effect of the electricity generation system provided to make the present embodiment is more excellent, and electricity generation system also comprises ac bus 8; Load 7 comprises DC load 71 and AC load 72; Inverter 6 output connects DC load 71 and AC load 72 by ac bus 8; AC load 72 directly connects ac bus 8, powers after DC bus-bar voltage is transformed into alternating voltage by inverter 6 directly to AC load 72; DC load 71 connects ac bus 8 by one for the Switching Power Supply 9 alternating voltage being converted to direct voltage, powers after DC bus-bar voltage is transformed into alternating voltage by inverter 6 through ac bus 8, Switching Power Supply 9 to DC load 71.
More specifically, in the present embodiment, photovoltaic module 11 converts solar energy into electrical energy, by header box, electric energy is put together, again successively through the protection of circuit breaker 13, lightning protection device 14, eventually pass after DC conversion that photovoltaic module 11 produces by controller for solar 15 becomes the direct current matched with DC bus 5, cause DC bus 5, DC bus 5 is the impacts in order to avoid diesel engine generator 31 and the regular switching of inverter 6 are formed load; The electric energy that wind-driven generator 21 produces arrives controller of fan 24 through circuit breaker 22, lightning protection device 23 after protecting, and after the direct current that the AC conversion of wind-driven generator 21 one-tenth and DC bus 5 match by controller of fan 24, causes DC bus 5; Diesel engine generator 31 controls its operating state through diesel engine controller 32, rectification module 34 is arrived again through circuit breaker 33, after the direct current that AC conversion becomes and DC bus 5 matches that diesel engine generator 31 produces by rectification module 34, cause DC bus 5; Batteries 4 arrives current transformer 42 through circuit breaker 41, and the ruuning situation of current transformer 42 pairs of batteries carries out monitoring and measuring, finally causes DC bus 5.
Make each unit electricity for load, the input of the output of DC bus 5 with inverter 6 need be connected, the DC conversion produced by DC bus 5 by inverter 6 becomes the alternating current for load.Again the input of the output of inverter 6 with ac bus 8 is connected, the output of ac bus 8 is connected with AC load 72, Switching Power Supply 9 respectively, power directly to AC load 72, direct current need be become to power the AC conversion of ac bus 8 to DC load 71 through Switching Power Supply 9.
Native system operation principle: when the generating gross power of solar power generation unit 1 and wind power generation unit 2 is greater than the gross power of load 7, the generating electric energy of solar power generation unit 1 and wind power generation unit 2 is preferentially for load 7, and dump energy charges for storage battery 4; When the generating gross power of solar power generation unit 1 and wind power generation unit 2 is less than the gross power of load 7, after the complete supply load 7 of generating electric energy of solar power generation unit 1 and wind power generation unit 2 uses, insufficient section is supplemented by storage battery 4; When accumulator electric-quantity is in debt, and when solar power generation unit 1 and wind power generation unit 2 power generation conditions can not meet the use of load 7, diesel generation unit 3 starts generating, to power and accumulators 4 charges to load 7.When diesel generation unit 3 works, solar power generation unit 1 and wind power generation unit 2 also can work simultaneously, and give birth to electric energy preferentially give load 7 power and storage battery 4 charge, both reduced oil consumption, in turn ensure that important load was powered in time; Wherein, oil machine adopts current constant mode to charge in batteries, improves at accumulator electric-quantity, after entering constant-voltage phase, closes oil machine, to improve the generating efficiency of oil machine.
Be only a specific embodiment of the application above, and disclose more details in the above-described embodiments.But should be clear and definite, these details, only in order to make the technical scheme of detailed description the application, are not used for limiting the protection range of the application; The application is not limited to embodiment, and the protection range of the application limits by the application's claims; According to the record of this specification, the changes that any person skilled in the art can think of, also should drop in the protection range of the application.

Claims (2)

1., based on a scene oil complementary power generation system for DC bus, it is characterized in that, comprising:
Wind power generation unit, described wind power generation unit comprises interconnective wind-driven generator and controller of fan;
Solar power generation unit, described solar power generation unit comprises the photovoltaic module, header box and the controller for solar that connect successively;
Diesel power generation unit, described diesel power generation unit comprises the diesel engine generator, diesel engine controller and the rectification module that connect successively;
Batteries; DC bus; And inverter, the output of the output of described controller for solar, the output of described controller of fan, described rectification module and described batteries connects the input of described inverter by described DC bus; The output of described inverter connects load.
2. electricity generation system according to claim 1, is characterized in that: described electricity generation system also comprises ac bus; Described load comprises DC load and AC load;
Described inverter output end connects load by described ac bus;
Described AC load directly connects described ac bus, powers after DC bus-bar voltage is transformed into alternating voltage by described inverter directly to described AC load;
Described DC load connects described ac bus by one for Switching Power Supply alternating voltage being converted to direct voltage, powers after DC bus-bar voltage is transformed into alternating voltage by described inverter through described ac bus, described Switching Power Supply to described DC load.
CN201420539980.8U 2014-09-19 2014-09-19 Based on the scene oil complementary power generation system of DC bus Expired - Fee Related CN204179989U (en)

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CN201420539980.8U CN204179989U (en) 2014-09-19 2014-09-19 Based on the scene oil complementary power generation system of DC bus

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105871301A (en) * 2016-05-26 2016-08-17 江苏苏美达机电科技有限公司 Power supply system and method
CN106602541A (en) * 2017-01-23 2017-04-26 武汉理工大学 Wind-photovoltaic-diesel-battery independent power supply coordinated control system and method for communication base stations
CN109193774A (en) * 2018-09-28 2019-01-11 施朗德(无锡)电力科技有限责任公司 A kind of control system and method for the multi-energy complementation based on on-site supervision
CN109687422A (en) * 2017-10-19 2019-04-26 江苏扬航光电科技有限公司 A kind of power supply unit of environmental protection
CN109888832A (en) * 2019-04-04 2019-06-14 南昌工程学院 A kind of water wind light mutual complementing power generation and cutting-in control experimental system for simulating
CN111082507A (en) * 2019-12-27 2020-04-28 北京双登慧峰聚能科技有限公司 Hybrid power supply system and hybrid power supply method for 5G base station

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105871301A (en) * 2016-05-26 2016-08-17 江苏苏美达机电科技有限公司 Power supply system and method
CN105871301B (en) * 2016-05-26 2018-08-17 江苏苏美达机电科技有限公司 A kind of power supply system and method
CN106602541A (en) * 2017-01-23 2017-04-26 武汉理工大学 Wind-photovoltaic-diesel-battery independent power supply coordinated control system and method for communication base stations
CN109687422A (en) * 2017-10-19 2019-04-26 江苏扬航光电科技有限公司 A kind of power supply unit of environmental protection
CN109193774A (en) * 2018-09-28 2019-01-11 施朗德(无锡)电力科技有限责任公司 A kind of control system and method for the multi-energy complementation based on on-site supervision
CN109888832A (en) * 2019-04-04 2019-06-14 南昌工程学院 A kind of water wind light mutual complementing power generation and cutting-in control experimental system for simulating
CN109888832B (en) * 2019-04-04 2021-09-21 南昌工程学院 Water-wind-light complementary power generation and grid-connected control simulation experiment system
CN111082507A (en) * 2019-12-27 2020-04-28 北京双登慧峰聚能科技有限公司 Hybrid power supply system and hybrid power supply method for 5G base station

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20200919

CF01 Termination of patent right due to non-payment of annual fee