查询词典 relay

REF relay is a current relay with very high sensitivity or a voltage relay with very low acting power.

零差继电器本身就是一只灵敏电流继电器或动作功率很小的电压继电器。

Abstracts: MMB1320B-type cylindrical grinder applies hydraulic pressure Systematic and electricity-control-mode drive to realize the motion of the working table and emery wheel rack.. This article improves the method of electricity control and uses PLC soft ware instead of a large amount of centre relay and time relay of relay control system to realize the control of hydraulic pressure so that we can save energy and enhance efficiency.

摘 要： MMB1320B 型外圆磨床采用液压系统和电气控制方式驱动以实现工作台和砂轮架的动作，本文对其电气控制方式加以改造，用 PLC 软件取代继电器控制系统中大量的中间继电器、时间继电器等以实现液压系统的 PLC 控制，从而达到节能增效的目的。

The problem was that the water pump could not pump in a nine-story residential building, as result the water would soon be used up. I arrived at night; found that liquid level relay broke down. then I installed a three-pole knife switch next to liquid level relay to power the pump manually, so the problem with no water to be solved provisionally. then I fitted the Level relay for them, finally the water pump can pump automatically again

有一次来电，物管说他们小区没有电工，说一幢9层的住宅楼一楼的水泵泵不上水，水池很快就会无水用了，晚上我到达现场，原来是液位继电器坏了，我当时已带上了三极的闸刀开关，在继电器的旁边装上闸刀开关，手动供电给水泵，临时解决了没水用的问题，过后才为他装上液位继电器，又恢复了自动泵水。

The adaptive mho relay uses the adaptive control method to modify the mho relay that uses remembered voltage polarization. The modified relay can adapt to different earth resistance.

该继电器利用自适应控制方法对记忆电压极化姆欧继电器进行了修改，改后的继电器具有对接地电阻的自适应性，可以根据接地电阻的大小自动地调整继电器动作边界。

The author provides a solution based on added-on restraint zone to the problem of TA saturation. The distance protection is another important content. The thesis compares the relays based on operation equation with relays based on distance measuring. And then puts forward some viewpoints in changeable characteristics Mho relay, grounding fault distance relay, delta-Z relay and the power system swing and protection blocking.

距离保护是本项目的另一个重要内容，论文对常用的动作方程式与测距式距离继电器作了分析对比，对可变姆欧特性距离继电器、接地距离继电器、工频变化量距离继电器的性能、距离保护的振荡闭锁问题谈了一些看法，确定了装置距离保护的若干关键因素。

Firstly, the thesis discusses the abnormality and failure of ship motor and relevant relay-protection equipment. Because of the importance of ship motor relay-protection equipment and the problem existing in the students" experiment education, it"s necessary to inquire into the computer-controlled ship motor relay-protection experiment equipment.

本论文首先简要论述了船用发电机的不正常运行和故障及其相应的继电保护，针对船用发电机继电保护装置的重要性和现有轮机人才在实验教学中存在的问题提出了研制本试验装置的必要性。

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过压继电器流保护继电器和方向性的欠压继电器。

The RC loop parallel with the card formed an electric circuit on the series relay coil to excite the coil and make the contact maloperate.Therefor,it is suggested that a resistor or a capacitor be connected with the relay in parallel to lower the exciting voltage at both ends of the output relay.

经过分析研究，我们找到了有效的解决方法，消除了事故隐患。1 问题的提出DCS生产厂家提供的开关量输出卡为了保护数据输出回路，往往在输出接点两端并联一阻容回路，如图1的C1和R1。

200 Metres freestyle swimming tournament champion, runner-up 400-meter freestyle, 4x100 meters freestyle relay champion; 2000 Sydney Olympic Games 400 metres freestyle gold, silver 200 metres freestyle, 4x100 meters, 4x200 meters freestyle relay gold medal; 2002 Pan-Pacific Games men 100 meters, 200 meters, 400 meters, 4x100 meters, 4x200 meters freestyle relay champion, 4x100 meter breaststroke relay runner-up.

1999年短池世锦赛200米自由泳冠军、400米自由泳亚军、4x100米自由泳接力冠军；2000年悉尼奥运会400米自由泳金牌、200米自由泳银牌、4x100米、4x200米自由泳接力金牌；2002年泛太平洋运动会男子100米、200米、400米、4x100米、4x200米自由泳接力冠军，4x100米混合泳接力亚军。

Relay-planted with different spring-sown maize, the yearly nitrogen absorption quantity of relay-planted with spring-sown early maturity maize was highest, those of relay-planted with spring-sown middle maturity maize were middle, and those of relay-planted with spring-sown late maturity maize were lowest.

与不同春玉米套作时，全年氮素吸收量以与早熟春玉米套作时最高，其次是与中熟春玉米套作，最低的是与春晚熟品种套作。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。