Photovoltaic and gas complementary power generation direct-current driving oil pumping unit system

A complementary power generation and DC drive technology, applied in photovoltaic power generation, electric vehicles, collectors, etc., can solve the problems of power supply and transmission facilities occupying cultivated land, etc., achieves strong practicability, saves the process of wiring and power point selection, and has good scalability and the effect of flexibility

Pending Publication Date: 2021-01-01
SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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Problems solved by technology

Power supply and transmission facilities often need to occupy arable land

Method used

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  • Photovoltaic and gas complementary power generation direct-current driving oil pumping unit system

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Embodiment Construction

[0020] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0021] refer to figure 1 , the present invention provides a photovoltaic and gas complementary power generation DC drive pumping unit system, including: photovoltaic panel array 1, photovoltaic controller 2, integrated control cabinet 3, DC motor 4, gas generator 5 and battery 6; wherein, Photovoltaic panel array 1 is connected to photovoltaic controller 2, photovoltaic controller 2 is connected to integrated control cabinet 3 and battery 6, integrated control cabinet 3 is connected to gas generator 5 and DC motor 4, gas generator 5 is connected to photovoltaic controller 2, and DC motor 4 Connected to the pumping unit; the integrated control 3 is connected to the storage battery 6, and by judging the real-time power co...

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Abstract

The invention relates to a photovoltaic and gas complementary power generation direct-current drive pumping unit system, which adopts a direct-current motor to replace a traditional alternating-current motor, and effectively solves the problem of overlarge current in the starting process. A gas generator can utilize liquefied petroleum gas, natural gas, coalbed methane and other gases. Liquefied petroleum gas and natural gas can be used for generating power when the gas yield is small at the initial stage of coal-bed gas well production; and after the yield of the coal-bed gas well is stable,the gas generator generates power by utilizing coal-bed gas. The problems of high cost, difficulty in ensuring power supply points and farmland occupation in existing coal-bed gas well power supply are solved, power is generated on site in a coal-bed gas well site, wiring and power supply point selection processes are omitted, additional farmland occupation is not needed, and the system has good expansibility and flexibility, and is safe, reliable and high in practicability.

Description

technical field [0001] The invention relates to the technical field of coalbed methane development, in particular to a photovoltaic and gas complementary power generation DC-driven pumping unit system. Background technique [0002] In the process of coalbed methane development, the construction of "power grid" is one of the necessary conditions. However, due to the limitation of geographical conditions, coalbed methane wells are mostly distributed between mountains and mountains, and there is no ready-made power transmission network available. The power point is connected to the mains. This power supply mode has the following three disadvantages: [0003] Upfront wiring costs are high. After calculation, the current integrated wiring cost is 400,000 yuan / km for high-voltage lines, 200,000 yuan / km for low-voltage lines, and an average of 300,000 yuan / km. In addition, the wiring project is also restricted by factors such as geography and weather, resulting in a certain time ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/35H02J7/14E21B43/00
CPCE21B43/00H02J7/14H02J7/35Y02E10/56
Inventor 王江泽任恒星陈林勇
Owner SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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