An energy management control device for an energy storage system with a common DC bus for multi-machine operation
An energy storage system and energy management technology, which is applied in the field of energy management and control devices for energy storage systems running on a common DC bus and multiple machines to achieve the effect of improving energy utilization.
Active Publication Date: 2022-06-03
TAIYUAN UNIV OF TECH
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[0004] The invention provides an energy management control device for a multi-machine operation energy storage system with a common DC bus. Energy system energy management control device
Method used
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[0014] The present invention is further described below by the examples, but is not limited to the following examples.
[0020]
[0023]
[0027]
[0032]
[0037] The above embodiments are described in a dual motor drive system, when the implementation in three and more motor systems
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The invention discloses an energy management control device for a multi-machine operation energy storage system with a common DC bus. By considering the complex load operation conditions and large energy consumption of multiple motor drive systems, it is proposed to use a common DC bus for energy storage control and real-time acquisition of the bus. side, supercapacitor module side, motor side voltage, current, power and other information for state identification and power tracking, through the dynamic power feed-forward compensation strategy, centralized control and management of energy, not only completed the self-distribution of energy between loads It also realizes the coordinated energy distribution and smooth operation of the motor under braking and electric states, and improves the energy utilization rate of the system. It is suitable for energy-saving control of multi-motor drive systems such as textiles, papermaking, steel rolling, and stackers.
Description
An energy management control device for a common DC bus multi-machine operation energy storage system technical field The invention belongs to the technical field of energy-saving control, be specifically related to a kind of common DC bus multi-machine operation energy storage system energy Manage control devices. Background technique Along with the improvement of the degree of automation of industrial production, the multi-motor drive system is widely used in textile, papermaking, steel rolling, Control systems such as stackers. In the driving process of each motor, there are electric and braking operation states, and the energy generated by the braking operation Most of the energy is consumed in the form of heat, resulting in a large energy loss. An effective method is to use the common DC bus method to connect the Centralized control and management of energy to achieve self-consumption of energy between loads can greatly improve the energy utilization rate of t...
Claims
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IPC IPC(8): H02J3/28H02J3/32H02P5/74
CPCH02J3/28H02J3/32H02P5/74Y02P80/10
Inventor 张红娟孙世镇高妍曹晋鹏田卫东靳宝全
Owner TAIYUAN UNIV OF TECH
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