time overcurrent

The instantaneous overcurrent protection can only protect a part of the line, the other internal fault can only be protected by the time delay instantaneous overcurrent protection and definite time overcurrent protection.

电流速断保护只能保护线路全长的一部分，其保护范围以外的区内故障需要通过延时由限时电流速断保护甚至定时限过电流保护来切除。

Inverse-time overcurrent protection system of distribution transformer

配电变压器反时限过流保护系统

The ANSI Device Designation Number is50 for an Instantaneous OverCurrent ( IOC), 51 for a Time OverCurrent ( TOC).

美国国家标准协会规定瞬时速断过流继电器位号为50，延时过流继电器为51。

Finally, with the study on simulation of interphase short circuit fault of induction motor on independent power system, the paper proposes a scheme of time overcurrent protection which has power directional element.

最后通过对独立电力系统中异步电动机相间短路故障的仿真研究，提出了加装功率方向元件的定时限过电流保护的配置方案。

According to the setting regulation, operation time of overcurrent protection needs to coordinate with that of its parallel back-up protection.

按整定要求，变压器过流保护动作时间需与相邻保护的后备保护动作时间相配合。

Designing of Anti ── time Overcurrent Relay Utilizing Single ── Chip Microcomputer

使用单片机的反时限过流继电器设计

The improved PSO algorithm is tested in two models, to show the effects of improvement and its ability in solving the inverse time overcurrent relay coordination problem when DG units are connected.

通过对两个算例的分析可看到改进算法的效果以及粒子群算法解决分布式电源并网情况下反时限过流保护整定问题的能力。

In this paper, using the 3D local equivaleut thermal circuit, the transient temperature of the AC generator stator winding during short time overcurrent is calculated, and the overcurrent capability of the stator winding is determined.

本文用求解定子局部三维等值热回路的办法，计算了大型交流发电机过电流时定子铜线的暂态温度，并由此确定出发电机定子绕组的短时过电流能力。

To calculate the time delay in inverse-time overcurrent protection, the traditional inverse-time overcurrent curve has disadvantages in cooperating with time delay protection and precisely calculating the progressive time.

传统反时限过流特性曲线计算微机反时限保护延时时，存在与定时限保护的配合以及计算延时不准等缺陷。

The time counting for overcurrent protection has thermal memory feature and the system parameters are saved during power shut down.

电流过载保护时，计时具有热记忆特性；系统参数掉电保护；

Time overcurrent and instantaneous overcurrent protection

定时限过电流和速动过电流保护

Application of a new time-current characteristics of microcomputer-based inverse time overcurrent relay protection

新型微机反时限电流保护时间-电流特性的工程应用

Development and Application of Inverse Time Overcurrent Protection& Microcomputer-based distribution Protection Systems

发展和推广反时限过电流保护&配电系统微机保护