The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 29, 2013

Filed:

Aug. 12, 2009
Applicants:

Hongbin Luo, Shenzhen, CN;

Yunhao Liao, Shenzhen, CN;

Zifeng Zhang, Shenzhen, CN;

Yinghui Wang, Shenzhen, CN;

Linwang Deng, Shenzhen, CN;

Donghong Chen, Shenzhen, CN;

Shaowen Yin, Shenzhen, CN;

Xiaohua Tang, Shenzhen, CN;

Inventors:

Hongbin Luo, Shenzhen, CN;

Yunhao Liao, Shenzhen, CN;

Zifeng Zhang, Shenzhen, CN;

Yinghui Wang, Shenzhen, CN;

Linwang Deng, Shenzhen, CN;

Donghong Chen, Shenzhen, CN;

Shaowen Yin, Shenzhen, CN;

Xiaohua Tang, Shenzhen, CN;

Assignee:

BYD Company Ltd., Shenzhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a battery-based grid energy storage for balancing the load of an power grid, wherein the energy storage comprises: a battery array; a bi-directional inverter unit; the bi-directional inverter system is configured to charge battery array using power from the power grid, or conversely, to transmit power from battery array to the power grid; a monitor system configured to detect the load, frequency and phase of the power grid, and control the bi-directional inverter system to charge battery array using power form the power grid, or conversely, transmits power from battery array to the power grid in accordance with the frequency and phase of the power grid so as to balance the load of the power grid, and meet the requirements during peak hours of electric power consumption.


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