Wind power converter's closed -loop control device

• Main Authors: GU HAOHAN, WANG XINBAO, HAN LIANSHAN, GUO QI, LIAO MENGJUN, LUO CHAO
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2018
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; 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; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; 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 provides a wind power converter's closed -loop control device, nurse one's health unit, the 2nd sampling unit, the 2nd signal conditioning unit, digital process unit, level switchingunit, IGBT drive unit, insulation blocking unit, CAN communication unit and electrical unit including a sampling unit, the first signal. The utility model discloses a sampling and feedbacking that the wave form is close sinusoidal, harmonic content is few, power factor is close 1 incoming signal the output signal of converter, realized the self -adaptive control of converter, guaranteed direct current busbar voltage's stability, make converter job stabilization reliable, conversion efficiency is high, its simple structure, and system power dissipation is low, and it is high to detect the precision, and response speed is fast, stability and good reliability, control is convenient, the requirement of satisfying double -fed harmonic content 0 that can be fine. 本实用新型提供了种风电变流器的闭环控制装置，包括第采样单元、第信号调理单元、第二采样单元、第二信号调理单元、数字