Active-frequency control method for rapid participation of new energy plant station containing energy storage
A control method and new energy technology, applied in the field of electric power, can solve problems such as the increase of grid load, the increase of long-distance transmission costs, and the impact of renewable energy grid on safe and stable operation.
Pending Publication Date: 2021-03-19
ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY +1
View PDF2 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
On the one hand, the power grid is facing challenges such as load growth, increased peak-to-valley difference, and long-distance transmission costs. On the other hand, the intermittent and fluctuating nature of renewable energy has also seriously affected the safe and stable operation of the power grid.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0025] The present invention can be explained in more detail by the following examples, and the present invention is not limited to the following examples;
[0026] The present invention combines the attached Figure 1~4 The described method for controlling the active power-frequency of a new energy station including energy storage, the control method specifically includes the following steps:
[0027] The first step is to realize the connection between the various hardware devices of the new energy station. In the specific implementation, such as figure 2 As shown, the hardware device includes a wave recorder, a photovoltaic inverter, an emulator, a DC power supply, a PC and a load, and the photovoltaic inverter is respectively connected to the wave recorder, a DC power supply, an emulator, a load, and a power grid, The emulator is connected to a PC; wherein the power grid includes a weak power grid and a weak power grid simulation impedance network, the weak power grid is ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to the technical field of electric power, in particular to an active-frequency control method for rapid participation of a new energy field station containing energy storage. According to an electromechanical transient mathematical model of a synchronous generator based on a rotor motion equation and a stator electrical equation, the method controls a photovoltaic inverter tohave the operation characteristics of the synchronous generator. Effective suppression of the ultralow frequency oscillation of the system is achieved, the requirements for energy storage power capacity and energy capacity are optimized, the frequency stability of the system with the high new energy proportion is effectively improved, forward damping is provided for the ultralow frequency oscillation, effective suppression on the ultralow frequency oscillation of the system is achieved, the requirements of energy storage power capacity and energy capacity are optimized, an effective and feasible technical scheme is provided for solving the problem of ultralow-frequency oscillation, and the method is suitable for large-scale popularization and application.
Description
technical field [0001] The invention relates to the field of electric power technology, in particular to a control method for rapid participation of active power-frequency of new energy stations including energy storage. Background technique [0002] It is known that distributed power generation is an important form of new energy use, which can alleviate the pressure of energy shortage and environmental degradation, but as the penetration rate of distributed power generation increases, its shortcomings of randomness and volatility will become more obvious , which seriously threatens the safe operation of the power grid. [0003] In recent years, with the continuous grid integration of new energy generation methods such as wind power and photovoltaic power generation, it has caused certain threats and impacts on the stability of the original power grid system, mainly reflected in the two aspects of system peak regulation and frequency regulation. During the large-scale power...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/24
CPCH02J3/241H02J2203/20
Inventor 张小涛陈祺崔笑梓平静洋燕少鹏陈晓东杨钊陈彦萍张怡迪
Owner ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY