6 . some necessary protective measures with artificial intelligence for pv water pumping systems are developed and realized , including dry operation identification , low speed , over load , low voltage operation and lightning protection etc 研究了光伏水泵系统的多种智能保护措施并予实现,其中含井水打干自动识别保护系统;低速、过载、欠压保护系统;防雷保护系统等。
打: strike; hit; knock干: trunk; main part打杆: knock out pin; knockout pin打凤眼: eyelet buttonholing打杆工: stake driver打风: crooked toward one direction by wrong matching打钢丝机: wire tacker; women's footwear打粉器: dust applicator打钢印: die stamping打粉剂: powdering agent打钢印项目格式: form of stamping打粉机: chalking machine