在继电保护的设计、施工、调试等实践工作中，有时因为疏忽导致保护死区的产生。
In the design, construction and debugging work of relay protection, protection dead-zone happens because of careless operation.
本文提出了GTR短路时的数学模型，并应用这一模型对GTR自保护驱动电路保护死区短路功耗进行了计算。
The mathematical model which is used to calculate the dead zone power consumption when GTR is on short circuit is provided.
该文简要分析了在现场接线中存在的几种常见的保护死区故障，即：各类断路器与断路器电流互感器之间的死区故障。
In this paper, several common protection dead-zones that exist in the spot connection are analyzed briefly, including faults between circuit breakers and ct of circuit breaker.
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