open phase protection

英 [ˈəʊpən feɪz prəˈtekʃn]

美 [ˈoʊpən feɪz prəˈtekʃn]

网络断相保护装置; 缺相保装置

Research of Open Phase Protection in Explosion-proof
隔爆开关缺断相保护的研究
An Open Phase Protection for Powerformer
Powerformer非全相运行保护
Negative sequence currents generated in asymmetric short circuit fault and open phase fault are simulated by experiments and the measured experimental results coincide with the requested values, which proves the correctness of protection scheme.
并通过试验方法模拟了发生不对称性短路故障及断相故障时产生的负序电流，试验所得到的实测值和要求值基本吻合，从而验证了保护方案的正确性。
Based on the analysis of the characteristics of open phase operational state, a novel open phase protection scheme utilizing the zero sequence voltage of the terminal and the negative sequence current of the stator windings is proposed.
在分析非全相运行状态特点的基础上，提出了一种基于Powerformer机端零序电压和定子绕组负序电流的非全相运行保护方案。
The existing defect of overload, open phase protection of minitype flameproof motor used in coal mine was analysed and its improved protection scheme was presented.
分析了煤矿井下小型隔爆电动机过载、断相保护存在的缺陷，提出了改进的保护方案。
Hence it is important to study the open phase protection for Powerformer.
因此，相对常规发电机而言为Powerformer配置专门的非全相保护更为必要。