利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN104104108A 一种基于风电的前馈型电压跌落浪涌补偿装置和方法 无效 - 撤回

一种基于风电的前馈型电压跌落浪涌补偿装置和方法
摘要：
本发明公开了一种基于风电的前馈型电压跌落浪涌补偿装置，其包括：风力发电机；整流单元；H桥逆变单元；变压器；并网逆变器；直流chopper单元；直流电流检测装置；直流电压检测装置；交流电压检测装置；控制器，其分别与所述直流电流检测装置、直流电压检测装置、整流单元和风力发电机连接，所述控制器根据交流电压检测装置传输的交流电压值判断电网的工作状态，以控制H桥逆变单元输出交流电压而对电网电压跌落或浪涌进行补偿，所述控制器还控制并网逆变器向电网注入电能，以及控制直流chopper单元释放电能。本发明还公开了一种基于上述装置进行电压跌落浪涌补偿的方法。
摘要（英）：

The invention discloses a feedforward voltage drop or surge compensation device based on wind power. The compensation device comprises a wind power generator, a rectification unit, an H bridge inversion unit, a transformer, a grid-connected inverter, a direct current chopper unit, a direct current detection device, a direct current voltage detection device, an alternating current voltage detection device and a controller, wherein the controller is connected with the direct current detection device, the direct current voltage detection device, the rectification unit and the wind power generator respectively, judges a working state of a grid according to an alternating current voltage value transmitted by the alternating current voltage detection device to control the H bridge inversion unit to output alternating current voltage to compensate voltage drop or surge of the grid, controls the grid-connected inverter to inject electric energy into the grid, and controls the direct current chopper unit to release the electric energy. The invention further discloses a method for compensating the voltage drop or the surge based on the compensation device.

0/0