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Energy storage module with dc voltage intermediate circuit

一种直流电压、能量存储的技术，应用在能源储备、存储电能的系统、节能减排等方向，能够解决发电站不能控制电力供应系统等问题，达到电力损失小的效果

Inactive Publication Date: 2015-08-19
ENRICHMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

and, is not designed or required to control power to support a non-local power supply system
Such power stations cannot be controlled to meet the needs of the entire power supply system, and a bridge to form a decentralized battery of non-local and local power stations does not currently exist.

Method used

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  • Energy storage module with dc voltage intermediate circuit
  • Energy storage module with dc voltage intermediate circuit
  • Energy storage module with dc voltage intermediate circuit

Examples

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Embodiment Construction

[0049] figure 1An energy storage module according to the invention for reversible storage of electrical energy in the form of mechanical rotational energy is shown, comprising four flywheel storage cells 2, comprising the storage capacity EK of the individual cells and the output EL of the cells. The small numbers here are used to clearly mark the schematic. In practical application, the energy storage module also includes thirty flywheel storage units such as unit 2 . In this design, a storage capacity of up to 150 kWh and a maximum output of 0.6 MW per energy storage module would follow the flywheel energy storage matching the individual units listed above. The module of the storage unit 2 of each flywheel also includes an electromagnetic transducer 23 electrically connected via a motor control 21 to a DC voltage intermediate circuit 5 via a converter 21 , preferably a frequency converter 21 . The purpose of the supply of the DC voltage intermediate circuit 5 is that all t...

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Abstract

The energy storage module (1) has a module controller (4) for the transmission of suitable torque requirements to a flywheel memory unit (2) for outputting or recording of energy to or from a direct current (DC) voltage intermediate circuit (5). A control system (3) is set to control the DC voltage intermediate circuit so that the direct current remains constant with delivery of energy into an external voltage network and with recording of energy from the external voltage network between an upper threshold value and a lower threshold value. An independent claim is included for a method for controlling energy storage module.

Description

field of invention [0001] The invention relates to an energy storage module with a DC voltage intermediate circuit and to a control method for controlling such an energy storage module. Background technique [0002] The energy to operate an electrical power supply system is supplied by many different types of generators. Most generators, such as nuclear, coal, natural gas, wind, biomass, and solar power, feed electricity to non-local power supply systems. Non-local electricity supply systems are transmission networks, eg in Germany, by AMprion, 50Hertz, Tennet and TRANSNETZEnBW. These transmission networks are part of the European network. As purely generating units, the aforementioned power stations are unable to absorb and store any excess power from the electricity supply system where possible. [0003] However, power storage devices can be used to absorb and send electrical energy to the power supply system. An electrical storage facility, such as a central electrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/30H02J15/00H02K7/02
CPCH02J3/30H02J15/00Y02E60/16Y02P90/50H02J15/007H02J9/08
Inventor 赖纳·福尔徳埃舍克里斯多夫·谢夫克里斯多夫·特瑞普曼
Owner ENRICHMENT TECH CO LTD
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