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Application of overload cutting of automatic standby power switch devices
Author(s): 
Pages: 139-140
Year: Issue:  5
Journal: Relay

Keyword:  备自投过负荷联切自动装置PSP642;
Abstract: 常规备自投由于没有考虑进线备自投方式下的过负荷联切及三卷变压器中低压侧过负荷判别问题,因而只能实现母联备自投方式下的过负荷联切功能.在常规备自投装置的硬件基础上,通过修改软件逻辑和对硬件做必要的修改,实现了各种备自投方式下的过负荷联切功能,并具体给出了PSP642备自投装置实现备自投动作后过负荷联切的方法.
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