An energy management system for energy storage combined with thermal power frequency regulation
An energy management system and energy storage technology, which is applied in the direction of AC network load balancing, single-network parallel feeding arrangement, etc., can solve problems such as reduced efficiency, reduced reliability, and lack of energy storage system functions
Active Publication Date: 2021-05-11
SHANGHAI YUYUAN POWER TECH CO LTD
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Problems solved by technology
However, the self-control of the battery energy storage system and the linkage coordination with the thermal power unit have not been clearly defined, resulting in the lack of functions or redundancy, reduced reliability, reduced efficiency, and reduced frequency modulation performance of the energy storage system in actual operation.
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[0045]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0046] see Figure 1~2 , an energy management system for energy storage combined with thermal power frequency regulation, including an energy management system and a data acquisition and monitoring system; the energy management system consists of a hardware platform, an operating system platform, a general middleware layer, a unified support platform layer and an application The software layer is formed, the hardware platform is located at the bottom layer, and...
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The invention discloses an energy management system for energy storage combined with thermal power frequency modulation, including an energy management system and a data acquisition and monitoring system; the energy management system consists of a hardware platform, an operating system platform, a general middleware layer, a unified support platform layer and The application software layer is composed, and the data acquisition and monitoring system is composed of the operator control layer, the control layer, and the on-site layer. Data collection and processing, energy distribution of energy storage system, maintenance and management of energy storage batteries, and human-computer interaction are realized in energy storage combined with thermal power frequency regulation. It is used to coordinate and control multiple PCSs to realize fast frequency regulation. The frequency regulation control device receives external power commands and The unit command calculates the total energy storage power command, controls the overall output of the energy storage system, and ensures the real-time and accuracy of the overall output power. The energy storage coordination control device can also perform power distribution according to the SOC status of each battery pack and the battery maintenance situation , so that the performance states of each battery pack are balanced.
Description
technical field [0001] The invention relates to an energy management system, in particular to an energy management system for energy storage combined with thermal power frequency regulation, and belongs to the technical field of energy management. Background technique [0002] For the power grid, energy supply and demand imbalance and system emergencies are inherent characteristics of power system operation. In the traditional energy structure, the short-term energy imbalance of the power grid is regulated by traditional units (mainly thermal power and hydropower in my country) by responding to AGC signals. With the integration of new energy into the grid, the volatility and randomness of the wind and the wind have aggravated the energy imbalance in the power grid in a short period of time. Traditional energy (especially thermal power) has a lag in response to signals due to slow frequency modulation, so it cannot meet the requirements. Added requirements. [0003] Energy ...
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IPC IPC(8): H02J3/48H02J3/32
CPCH02J3/32H02J3/48
Inventor 尚德华贾葳
Owner SHANGHAI YUYUAN POWER TECH CO LTD