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| 一种动态电压恢复器关键实验方法的研究 |
| Research on a Key Experimental Method of Dynamic Voltage Restorer |
| 投稿时间：2018-09-10 修订日期：2018-09-10 |
| DOI： |
| 中文关键词: 动态电压恢复器 密勒平台 逆变单元 IGBT |
| 英文关键词: Dynamic voltage restorer Miller platform Inverter unit IGBT |
| 基金项目:安徽省高校自然科学重点项（KJ2017A116）；检测技术与节能装置安徽省重点实验室开放基金项目（KZ00415003）；安徽工程大学青年科研基金 (2017YQ05) |
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| 中文摘要: |
| 随着现代化工业对供电要求不断的提高,用户端对供电质量多变的高品质要求,针对在电网运行中以电压暂降的电能质量问题,提出了一种双电源供电的单相动态电压恢复器实验平台。首先按实验系统搭建顺序搭建由直流电源、逆变器单元、控制器单元等构成的系统实验平台,然后对IGBT模块、逆变单元、采样模块等进行实验,分步实验结果对于系统完善具有指导意义,从实验数据分析得出对于同幅值,频率增大的输入信号,延长了系统进入稳定状态的时间。实验验证了方案的可行性和有效性。 |
| 英文摘要: |
| With the continuous improvement of power supply requirements in modern industry and the high quality requirements of power supply quality at client device, a single-phase dynamic voltage recovery with dual power supply is proposed for the power quality problem of voltage sag in power grid operation. Experimental platform. Firstly, the system consists of DC power supply, inverter unit, controller unit, etc. according to the experimental system construction sequence, and then experiments are carried out on the IGBT module, the inverter unit, the sampling module, etc. The step-by-step experimental results have guiding significance for the system improvement by the experiment. Data analysis yields an input signal with increasing frequency for the same amplitude, prolonging the time the system enters a steady state. The experiment verifies the feasibility and effectiveness of the method. |
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