Any of various devices, including the electrophorus, the Wimshurst machine, and especially the Van de Graaff generator, that generate high voltages by accumulating large quantities of electric charge.静电起电机：通过积累大量电荷产生强电压的多种装置，包括起电盘，文兹荷斯特静电产生器，尤指范德格拉夫发电机