CN213783177U

CN213783177U - Novel wind-solar complementary combined energy storage power generation system

Info

Publication number: CN213783177U
Application number: CN202021815889.6U
Authority: CN
Inventors: 李健; 董奇烜; 张瑞哲; 马子云; 曹欣悦; 于海; 张乃夫
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-23
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a novel complementary joint energy storage power generation system of scene. The system comprises a wind driven generator, a solar panel, a combined energy storage device, a wind speed sensor, a wind direction indicator, a rectifying circuit, an energy conversion circuit, a wind-solar complementary controller, an inverter power supply, an OLED display screen and a bidirectional DC/DC circuit. The alternating current generated by the wind driven generator is converted into direct current through a rectifying circuit and is connected to the input end of the wind-solar hybrid controller; the output of the wind-solar hybrid controller is used as a direct current bus when the multiple systems work; the direct current load, the inverter power supply and the storage battery pack are connected to the direct current bus; the combined energy storage device comprises a storage battery pack and a water conservancy power generation device. The storage battery of the system and the pumped storage power station are used for storing electric energy together, so that the system has the characteristics of relatively low cost, safe and reliable operation, high power supply quality and the like, and is widely applied to power systems.

Description

Novel wind-solar complementary combined energy storage power generation system

Technical Field

The utility model belongs to the new forms of energy field involves a device that wind power generation, photovoltaic power generation and joint energy storage combined together.

Background

The large-scale development of new energy is a great trend of energy change in the world, at present, wind power and photovoltaic power generation are developed most rapidly, but due to uncertainty and intermittency of power generation, a system cannot be consumed in a large amount, and grid connection of the wind power and the photovoltaic power generation is limited. Therefore, the energy storage device is added into the system, so that the consumption capability of the variable power supply can be greatly improved, and the stability of the power grid is enhanced. A large number of applications and researches show that the pumped storage is the most developed energy storage technology at present, has the conventional power generation function, has the advantages of high regulation speed, and capacity of being used as a power plant and a load, and is assisted with a storage battery for combined energy storage, so that the stability of a power grid is enhanced. Therefore, a novel power generation and energy storage system is designed, and a novel wind-solar complementary combined energy storage power generation system is formed by combining wind power generation, photovoltaic power generation and combined energy storage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel complementary joint energy storage power generation system of scene overcomes prior art's not enough, through mutual coordination between wind power generation set, photovoltaic power generation set and the joint energy storage device three to reach energy-concerving and environment-protective, rational in infrastructure effect.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the foundation the utility model provides a pair of novel complementary energy storage power generation system that unites of scene, including aerogenerator, solar panel, unite energy memory, air velocity transducer, anemoscope, rectifier circuit, energy conversion circuit, complementary controller of scene, inverter, OLED display screen, two-way DC/DC circuit. The alternating current generated by the wind driven generator is converted into direct current through a rectifying circuit and is connected to the input end of the wind-solar hybrid controller; the output of the wind-solar hybrid controller is used as a direct current bus when the multiple systems work; the direct current load, the inverter power supply and the storage battery pack are connected to the direct current bus; the combined energy storage device comprises a storage battery pack and a hydroelectric generation device; the wind speed sensor and the anemoscope are arranged near the wind driven generator and connected with the wind-solar complementary controller; the OLED display screen is connected to the wind-solar hybrid controller to display real-time information.

Through the technical scheme, the utility model discloses in complementary power generation combined energy storage process, solar panel will produce the direct current and pass through DC/DC circuit and be connected to the complementary controller of scene, aerogenerator will produce the alternating current and pass through rectifier circuit and be connected to the complementary controller of scene; the generated direct current is converted into alternating current through an inverter power supply to supply power for an alternating current load, and the alternating current is used for supplying power and using the combined energy storage device through a bidirectional DC/DC circuit and supplying power for the direct current load; the wind speed sensor and the anemoscope are connected with the wind-solar hybrid controller through leads to send related information for feedback control of the wind driven generator; the OLED display screen is connected to the wind-solar hybrid controller to display real-time information.

Drawings

Fig. 1 is a system configuration diagram of the present invention.

Fig. 2 is a front view of the model of the present invention.

Fig. 3 is a top view of the model of the present invention.

The reference numerals are as follows:

1, an anemoscope and a wind speed sensor; 2, a wind driven generator; 3, a slope; 4 a solar panel; 5, a hydroelectric power generation device; 6 wind-solar hybrid control room; 7, a water conveying pipeline; 8 an upstream reservoir; 9 downstream reservoir.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples.

As shown in fig. 1, 2 and 3, the novel wind-solar hybrid energy storage power generation system comprises a wind driven generator, a solar panel, a hybrid energy storage device, an air velocity sensor, a wind direction indicator, a rectification circuit, an energy conversion circuit, a wind-solar hybrid controller, an inverter power supply, an OLED display screen and a bidirectional DC/DC circuit.

As shown in FIG. 1, the solar panel is connected in series with a diode to form a photovoltaic power generation branch, and the wind driven generator is connected with a rectifier bridge to form a wind power generation branch. The OLED display screen is connected to the wind-solar hybrid controller for real-time information display and different modes selection. The inverter power supply converts direct current into alternating current for use by an alternating current load. And the bidirectional DC/DC converter is connected to a direct current bus end to realize the charge and discharge management of the combined energy storage device. And the wind speed sensor and the anemoscope are connected with the wind-solar hybrid controller through leads to transmit related information.

As shown in fig. 2 and 3, the wind-solar hybrid combined power generation system provided by the present embodiment includes: 1, an anemoscope and a wind speed sensor; 2, a wind driven generator; 3, a slope; 4 a solar panel; 5, a hydroelectric power generation device; 6 wind-solar hybrid control room; 7, a water conveying pipeline; 8 an upstream reservoir; 9 downstream reservoir.

The solar panel 4 is a solar panel formed by the existing photovoltaic modules and is placed on the slope 3, electric energy generated by the solar panel is connected to the input end of the wind-solar hybrid control room 6 after passing through the DC/DC circuit, and the electric energy is input to the wind-solar hybrid control room 6.

The wind power generator 2 may be any type of wind power generator known in the art, and is not limited herein. The output end of the 2 wind driven generator is connected with the rectifying circuit in series and then is connected to the input end of the 6 wind-solar hybrid control chamber, so that the electric energy obtained by the 2 wind driven generator is transmitted to the 6 wind-solar hybrid control chamber.

The 6 wind-solar complementary control room comprises a wind-solar complementary controller, an OLED display screen, an inverter power supply, a bidirectional DC/DC circuit and a storage battery pack, wherein the wind-solar complementary controller is controlled by a single chip microcomputer, and a computer control program of a power generation system is stored in the wind-solar complementary control room.

The wind speed sensor 1 and the anemoscope are arranged near the wind power generator 2 and connected with the wind-solar hybrid control room 6, and information such as wind speed and wind direction is collected and transmitted to the wind-solar hybrid controller.

The 5 hydroelectric generation device can convey water in the 8 upstream reservoir to the 9 downstream reservoir through the 7 water conveying pipeline and generate power, and can also pump the water in the 9 downstream reservoir to the 8 upstream reservoir through the water pump to be stored, so that hydroelectric generation is performed at a peak of power utilization.

The working principle is as follows: the solar panel is used for connecting the generated direct current to the wind-solar hybrid controller through a DC/DC circuit, and the wind driven generator is used for connecting the generated alternating current to the wind-solar hybrid controller through a rectifying circuit; the generated direct current is converted into alternating current through an inverter power supply to supply power for an alternating current load, and the alternating current is used for supplying power and using the combined energy storage device through a bidirectional DC/DC circuit and supplying power for the direct current load; the wind speed sensor and the anemoscope are connected with the wind-solar hybrid controller through leads to send related information for feedback control of the wind driven generator; the OLED display screen is connected to the wind-solar hybrid controller to display real-time information.

The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally without departing from the spirit of the technical solutions of the present invention, which is within the protection scope of the present invention.

Claims

1. The utility model provides a novel complementary energy storage power generation system that unites of scene, includes aerogenerator, solar panel, unites energy memory, air velocity transducer, anemoscope, rectifier circuit, energy conversion circuit, the complementary controller of scene, invertion power supply, OLED display screen, two-way DC/DC circuit, its characterized in that: the alternating current generated by the wind driven generator is converted into direct current through a rectifying circuit and is connected to the input end of the wind-solar hybrid controller; the output of the wind-solar hybrid controller is used as a direct current bus when the multiple systems work; the direct current load, the inverter power supply and the storage battery pack are connected to the direct current bus; the combined energy storage device comprises a storage battery pack and a hydroelectric generation device; the wind speed sensor and the anemoscope are arranged near the wind driven generator and connected with the wind-solar complementary controller; the OLED display screen is connected to the wind-solar hybrid controller to display real-time information.

2. The novel wind-solar hybrid energy storage and power generation system according to claim 1, wherein: hydroelectric generation device carry out hydroelectric power generation at the power consumption peak, the power consumption peak uses the water pump to take out low water level to the high-order.

3. The novel wind-solar hybrid energy storage and power generation system according to claim 1, wherein: detecting the voltage of the solar panel, the rectified voltage of the wind driven generator, the direct-current voltage and the voltage of a load end by 4 paths of mutually isolated voltage detection devices; the current of the solar panel, the current rectified by the wind driven generator, the direct current and the current of a load end are detected through a 4-path high-precision current detection device.

4. The novel wind-solar hybrid energy storage and power generation system according to claim 1, wherein: the wind speed sensor adopts current type output signals, and the resolution ratio is 0.1 m/s.