【摘要】 通过对切断高压电动机所产生的操作过电压的机理及保护措施的讨论 ,提出 RC保护应作高压电动机的操作过电压主保护 ,在特别重要的场合应考虑加装避雷器作为后备保护更多还原

【Abstract】 It discusses the mechanical principle that causes the operated over voltage when HV electromocor is cutting down and suggestes to select RC protection for it,More over,lightening arrester is suggested to install as the auxiliary protection in key position.更多还原