标准摘要
[中文适用范围]： 规定了电偏压（百分比）差动继电器的性能要求以及表示这些继电器的特性和性能的方法。适用于为故障检测而设计的新状态下的继电器 [外文原描述]： Specifies performance requirements for the subfamily. Forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.
英文名称Electrical relays - Part 13: Biased (percentage) differential relays