查询词典 a relay

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。

From the lifespan of relay point of view, a reliability criterion was provided based on dynamic characteristics of anti-forces. Mathematical model of tolerance design with reliability was set up under usage of "stress-strength interference method", taken some critical dynamic characteristics as identification objects such beginning of contact separation speed, speed of collision and gag bit impact velocity. This model showed that lower values of characteristic parameters center and quantitative descriptively relationship between tolerance and product reliability. Multi-objective optimization model of relay tolerance distribution was completed when some factors such as reliability, processing costs and its feasibility into consideration. Based on Analytic Hierarchy Process to determine weight coefficients of various objectives, and usage of simulated annealing, this study performed optimal reliable tolerance allocation of space electromagnetic relay, and then key technology segments were analyzed, accompanying its course measured by controlling chart.

从继电器电寿命的角度，基于动态吸反力特性的配合提出了继电器的可靠性判别准则；在此基础上以触点分离初速度、触点碰撞速度以及衔铁碰撞速度等关键动态特性为判别对象，采用"应力-强度干涉法"建立了继电器可靠性容差设计数学模型，给出了下位特性参数中心值及其容差与产品可靠度之间的定量描述关系；综合考虑可靠度、加工成本及加工可行性等因素建立了继电器容差分配的多目标优化模型，基于层次分析法确定了各目标的权重系数，并采用模拟退火法实现了航天电磁继电器的可靠性容差最优分配；研究了继电器的关键工艺环节，并通过控制图对其过程能力进行了分析。

Main products: 1: Japan OMRON (between relays, time relays, temperature controller, photoelectric switch, proximity switches, trip switches, programmable logic controller) 2: Korea LG motor (air switch, contactors, thermal relays, magnetic starter, programmable logic controller) 3: Japan's Fuji motor (air switch, contactor, thermal relay, temperature controller, time relay, inverter, programmable controller, button, indicator light) 4: Japan's Mitsubishi Electric (air switch, contactors, thermal relays, Inverter, programmable controllers, servo series) 5: Korea AUTONICS (Photoelectric switch, close to-day clearance, temperature controller) 6: Taiwan CKC (time relay, the water level controller, solid state relays, counters) I Division otherwise operating Siemens, Schneider, and Stephen, RKC, days too, Hanyoung brands, such as industrial automation components, category range.

1：日本OMRON（中间继电器，时间继电器，温控器，光电开关，接近开关，行程开关，可编程控制器）2：韩国LG电机(空气开关，接触器，热继电器，磁力起动器，可编程控制器)3：日本富士电机（空气开关，接触器，热继电器，温控器，时间继电器，变频器，可编程控制器，按钮，指示灯）4：日本三菱电机（空气开关，接触器，热继电器，变频器，可编程控制器，伺服系列）5：韩国AUTONICS（光电开关，接近天关，温控器）6：台湾CKC（时间继电器，水位控制器，固态继电器，计数器）我司另有经营西门子、施耐德、和泉、RKC、天得、韩荣等品牌的自动化工控元件，品类繁多。

In summary, the 3D visual simulation system for relay based on the OpenGL is developed in the foundation of research on its essential technologies in this paper, and the system can not only use for direct current rapping relay design directly but also will provide the powerful support for 3D visual simulation technology widely applied in relay industry.

综上所述，本文在较深入的研究了基于OpenGL的继电器三维可视化仿真系统的理论及关键技术基础上，开发了基于OpenGL的三维可视化仿真系统3DJDQCAD，其研究成果不仅可直接用于直流拍合式继电器的开发设计，而且也将为三维可视化仿真技术在继电器行业中全面应用提供有力支持。

The relay adopts orthogonal frequency division multiplexing for transmission, symbols in the same carriers are forwarded by the relay STBC cooperation, and BF is executed between antennas of the relay.

中继采用正交频分复用传输，相同载波上的符号由不同中继通过空时分组码协作进行转发，同一中继内的天线间进行波束成形。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。