A new energy power plant harmonic control system

A harmonic control and power plant technology, which is applied in the field of harmonic control system of new energy power plants, can solve the problems of low quality of photovoltaic power generation and low utilization rate, so as to improve the overall safety and stability of performance, improve the utilization rate, The effect of stable power quality

Active Publication Date: 2020-04-03
HEBEI QINHUAI DATA CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] At this stage, due to the low quality of wind power generation and photovoltaic power generation, its utilization rate is very low, and it is urgent to provide a new energy power generation device that can provide high-quality power

Method used

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  • A new energy power plant harmonic control system
  • A new energy power plant harmonic control system
  • A new energy power plant harmonic control system

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Embodiment Construction

[0034] The application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific embodiments are only used to further illustrate the application, and cannot be interpreted as limiting the protection scope of the application. The above application content makes some non-essential improvements and adjustments to this application.

[0035] Such as figure 1 As shown, it is a schematic diagram of a new energy power plant harmonic control system proposed by this application, including:

[0036] A new energy power plant harmonic control system, including: a controller, a harmonic compensation module, a new energy power plant, an output switch, and a weather detection module; the controller controls the on and off of the output switch to control The new energy power plant is connected or disconnected from the external load or the power grid; the controller controls the connection of the harmonic s...

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Abstract

The invention provides a harmonic control system for new energy power plants. The harmonic control system comprises a controller, a harmonic compensation module, the new energy power plants, an outputswitch and a weather detection module. The controller controls turn-on or turn-off of the output switch to control connection or disconnection between the new energy power plants and an external loador a power grid. According to predicated harmonic values, the controller controls a harmonic wave supplement module to be connected into the new energy power plants through multiple times of simulation based on the Monte Carlo method. The new energy power plants include a wind power plant and a photovoltaic power plant. The wind power plant comprises a plurality of wind power generators, and thephotovoltaic power plant comprises a plurality of photovoltaic batteries. The weather detection module inputs weather data to the controller. The harmonic control system has the advantages that harmonic waves of new energy power generation systems can be controlled accurately and rapidly, and quality of input electric energy can be improved.

Description

technical field [0001] The invention relates to the technical field of new energy, in particular to a harmonic control system for a new energy power plant. Background technique [0002] As a kind of inexhaustible clean and non-polluting renewable energy, wind energy and solar energy have made the installed capacity of wind turbines in my country rise rapidly. At the same time, the installed capacity of wind farms is also increasing, and the impact on the system is becoming more and more obvious, which brings serious power quality problems of wind farms to the grid. At the same time, photovoltaic power generation is also becoming more and more popular in my country. [0003] With the rapid rise of power electronic equipment and the integration of large-capacity wind turbines and photovoltaics into the power grid, the harmonic pollution of the power system caused by power electronic converter equipment will pose a certain threat to the safe and stable operation of the power g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/01H02J3/38
CPCH02J3/01H02J3/382H02J2203/20Y02E10/56Y02E10/76Y02E40/40
Inventor 不公告发明人
Owner HEBEI QINHUAI DATA CO LTD
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