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- overspeed protecting relay 超速保护继电器
- Voltage Clamping. The circuitry necessary to protect relay contacts from excessive voltage caused by switching current into inductive loads. 电压箝位为保护继电器触点不受切换至感性负载的电流引起的太大电压损坏所必须的电路。
- Roller over-run clutch provides overspeed protection, including helical spline indexing to overcome abutments. 确保过载保护的双密封滚柱式超越离合器。
- Radial tooth overruning clutch provides overspeed protection and helical indexing to prevent abutment. 端面棘轮式超越离合器,提供超速保护,螺旋花键避免顶齿。
- Radial tooth overrunning clutch provides overspeed protection and helical indexing to prevent abutment. 放射状齿过速离合器提供过速保护,防止螺纹换档连接。
- Some governing authorities have already revised their regulations to require ascending car overspeed protection. 一些统治主管当局已经校订他们的规则了需要上汽车超速保护。
- There are plenty of faults in the design of electric overspeed protection system. 主要原因是电超速保护系统的设计存在缺陷,高压油动机动作延迟。
- Upward Overspeed Protecting Device 上行超速保护装置
- Applicationsinclude crank disconnect or overspeed protection on diesel engines,transmission shift inhibiting, and PTO protection. 应用包括曲柄断开或超速防护对柴油发动机,传动转向抑制,动力输出和保护。
- As the inertia moment of supercritical steam turbine is large,and the time constant of rotor speedup is small,the overspeed protection system is very important for unit itself. 超临界汽轮机转子由于转动惯量大,转子飞升时间常数小,所以对它进行超速保护尤为重要。
- This paper will discuss basic elevator design, hazards, regulations, and emergency braking systems designed to provide ascending car overspeed protection. 这纸将会讨论刹系统的基本的电梯设计、危险、规则和紧急设计提供上汽车超速保护。
- To adjust to theincreasing requirements for security, reliability and efficiency of electrical power, it is necessary tomodernize mechanical overspeed protection system. 为了适应日益增长的安全、可靠、高效的电力生产要求,有必要对机械超速危急遮断系统进行现代化改造。
- Be familiar with electric engineering design, detail design, PSB requirement, LV/MV switchgear, and protection relay. 熟悉电力设计、二次图设计、开关柜设计、继电器保护设计。
- An "Overcurrent Relay" is a type of protective relay which operates when the load current exceeds a preset value. 过电流继电器是继电保护装置的一种,当负载电流超过整定值时,继电器动作。
- Export of medium voltage protection relays and energy meters. 出口中级电压带保护继电器和累计式瓦特表。
- flash and ground protecting relay 闪络和接地保护
- GE Yaozhong. Adaptive protection relay and itps prospect ofdevelopment . Automation of Elect ric Power Systems , 1997 ,21 (9) : 42246. 葛耀中.;自适应继电保护及其前景展望
- A kind of design method of microprocessor protection relay apparatus based on real time operating system(RTOS) was introduced in this paper. 介绍了一种基于实时操作系统的微机继电保护装置的设计方法。
- They netted the fruit trees to protect them from birds. 他们用网覆盖住果树以使其免遭鸟害。
- Ascending Car Overspeed Protection Means 轿厢上行超速保护