当过热或者高电流或电压脉冲导致触点焊接在一起时，就会发生接触故障，形成短路。
Contact failure can occur when excessive heat or a high current or voltage pulse causes the contacts to weld together, resulting in short circuits.
继电器是保护系统的逻辑元件，它感知故障，并使断路器解扣电路带电和断路器打开触点。
Relays are the logic elements of a protection system which sense the fault and cause the circuit-breaker trip circuits to be energized and the breakers to open their contacts.
触点熔焊是继电器最为严重的故障形式之一。
Welding is one of the worst faults for an electromagnetic relay.
触点熔焊是汽车继电器最为严重的故障，它可能导致汽车事故。
Contact welding of automotive relay is the worst failure and may result in serious car accident.
本实用新型在负载发生短路故障时能自动停止工作，同时能提高触点的使用寿命。
The utility model can automatically stop operation when a load has short circuit fault, and simultaneously, the service life of the contact can be raised.
文中提出了软件和硬件两种方法来排除干扰故障，提出了运行时常开触点干扰故障多于运行时常闭触点。
Software and hardware methods are both proposed, and it is also concluded that normal open contacts have more interference failures than normal closed contacts during the running of the system.
研究了大量失效手机中的镀金触点后发现，触点表面污染是造成电接触故障的主要原因之一。
The contamination on contact surfaces was found to be one of the main reasons to cause electric contact failure by analyzing lots of gold plated contacts in failed mobile phones.
SCR为无触点、静止元件，可有效降低设备运转故障率；
The SCR is a static element switch without touch-point. It can efficaciously reduce to the failure rate of the device.
给出了在东风汽车上换装无触点分电器应注意的事项及使用中出现故障的维修。
Points for attention while installing the contactless distributor on Dongfeng truck and repairing methods in using are given.
云母和石膏是两种在细尘粒中比例较大的软质颗粒物，出现在失效触点区域造成电接触故障。
Two kinds of soft particles gypsum and mica particles which take relatively major proportion in composition of dust often can be found in failure contact areas.
双通道操作：输入回路中存在冗余重复输入。急停回路中的接地故障及急停按钮相邻成对触点间的短路故障都将被检测。
Two-channel operation: Redundancy in the input circuit. Earth faults in the Emergency Stop circuit and shorts across the emergency stop push button are also detected.
架线电机车是煤矿生产的主要运输设备，其最常见的故障是：司控器触点或触点装配烧损；
Tram is the main transport equipment in the factory of mine production, and the most usual faults in it are: the contact point of motorman controller or assemble of contact point burn out;
架线电机车是煤矿生产的主要运输设备，其最常见的故障是：司控器触点或触点装配烧损；
Tram is the main transport equipment in the factory of mine production, and the most usual faults in it are: the contact point of motorman controller or assemble of contact point burn out;
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