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- Recently, a new protection technique is developed based on the time graded overcurrent directional relay [1]. 最近，一种新的保护技术是发展的基础上，时间梯度过压继电器方向继电器[1]。
- overcurrent directional relay 过流定向继电器
- induction disc type directional relay 感应圆盘式定向继电器
- induction type power directional relay 感应式功率定向继电器
- electronic valve type power directional relay 电子管功率定向继电器,电子管式功率定向继电器
- voltage drop compensation directional relay 压降补偿式定向继电器
- induction-type power directional relay 感应式功率定向继电器
- electronic valve-type power directional relay 电子管式功率定向继电器
- induction disc-type directional relay 感应圆盘式定向继电器
- voltage and power directional relay 电压和功率定向继电器
- three-phase power directional relay 三相功率方向继电器
- Protection for these isolated systems has been a relatively simple task, which is carried out using over current directional relays with selectivity. 采用具有选择性的过电流方向继电器,对这种相互分隔直流系统的保护相对就简单。
- ON THE TEST OF DIRECT RELAY OF PROGRAMMES FROM CCTV 直接转播中央电视台节目的试验研究
- Single Phase) Time Overcurrent Relay with Voltage Restraint (51/27R) . 单相)低电压闭锁时限过流继电器.
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- To meet this requirement, the new relay developed consists of a combination of directional overcurrent relay and directional undervoltage relay. 为满足这一需求，新开发的继电器组成的组合定向流保护继电器和方向性的欠压继电器。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- A NEW PROJECT TO DESIGN POWER DIRECTION RELAY 构成功率方向继电器的一种新方案
