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无触点继电器 non contact relay ; [电] contactless relay ; static relay
汞接点继电器 mercury contact relay
电磁无接点继电器 electromagnetic contactless relay
多接点继电器 multiple contact relay ; multi-contact relay ; multiple arm relay
无角点继电器 no touch relay
多触点继电器 multi contact relay ; many-contactrelay ; contact relay
无接点继电器 non-contact relay
支点继电器 pivoted relay
交叉点继电器 crosspoint relay
介绍测量对地导纳原理的LD 3型发电机转子一点接地继电器的保护原理。
The paper introduces the principle of LD-3 rotor one-point grounding relay that measures the admittance against the ground.
为改善地面操作起重机的起动、点动运行性能，可选用绕线型电动机加外延时继电器控制。
Slip-ring motor can be used in conjunction with time delay relays for floor operated cranes to improve their travelling quality during start and inching.
对受端继电器，提出仅利用保护安装处的电压变化值构成同相点切换判据，可以有效降低系统参数的影响。
For the receiving end, a new switching criterion based on the bus voltage is described, which is immune to the system parameters.
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