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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]。
- 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
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- For as Duo La A dream as, can satisfy male needs. 就如哆啦A梦一样，可以满足大雄的需要。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- Ah Duo blamed his father for planning incorrectly. 阿多抱怨老头子打错了主意，他说：
- Ah Duo had already peeked several times. 阿多早已偷偷地挑开“山棚”外围着的芦帘望过几次了。
- 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
