串联谐振

串联谐振装置是运用串联谐振原理，使回路产生谐振电压加到试品上，串联谐振目前分为变频式和调感式两大类，是通过调节变频源输出频率或可调式高压电抗器调节电感量，使回路中电感L与试品C串联谐振。

 

       串联谐振装置主要由变频源（变频式）、高压电抗器、可调式电抗器（调感式）、电容分压器、激励变压器等几部分组成。其广泛用于电力、冶金、石油、化工等行业，适用于电力电缆、电力变压器、水力发电机、GIS等大容量，高电压的电容性试品的交接和预防性试验。

 

       串联谐振在产品特性上有稳定性可靠性高、自动调谐功能强大、支持多种试验模式、系统人机交互界面友好、保护功能完善等突出优势，根据其特性在电力系统应用中具有需求电源容量小、设备重量体积小、改善输出波形、防止短路电流烧伤、不会出现恢复过电压等优点。中测公司串联谐振装置参考GB50150-2006，DL/T849.6-2004标准，提供电缆谐振试验装置、发电机谐振试验装置、变电站电器设备谐振装置、CVT校验用谐振升压装置等多种选配参考方案。该装置拥有十多项关键的国家技术，加上引进的部分技术，设备整体达到了水平。

 

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