【摘要】 比较介绍了实现高压电动机降压软起动的2种性质的电力器件:电感性的和电阻性的。比较介绍了降压软起动的4种实现方法:SCR软起动,磁控软起动,液阻软起动,热变电阻软起动。并介绍了磁控软起动的最新进展。更多还原

【Abstract】 The paper comparatively introduces 2 kinds of electrical devises used in soft-start A.C motor with middle voltage:resistance and reactor,comparatively introduces 4 kinds of soft-starter :SCR,SR(saturable reactor),liquid with motive plate and liquid without motive plate. The paper also introduces the resent progress about SR. soft-starter.更多还原