Lithium electricity energy storage controller of wind generating set

• Main Authors: HAO LIXIANG, SI AIQI, WANG PENG, DAI HOUKUN, YANG ZONGXIAO, ZHU YUEPING
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2013
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model relates to a lithium electricity energy storage controller of a wind generating set. The lithium electricity energy storage controller comprises a rectifying circuit and a voltage-reduction chopper circuit connected with the rectifying circuit; and the voltage-reduction chopper circuit is connected to a lithium battery by a commutation switch tube. In addition, the controller also includes a capacitor buffer circuit and a corresponding control circuit; and the capacitor buffer circuit is connected to the output terminal of the voltage-reduction chopper circuit. The corresponding control circuit includes a PLC control unit. And the PLC control unit includes: a segmentation charging control circuit, which is used for controlling the charging processes including a first-step constant-current charging process and a second-step constant-current charging process of the lithium battery; a dynamic compensation buffer control circuit, which is used for controlling the working processes of energy stor