Automatic compensating device for boring cutter wear 镗刀磨损自动补偿装置
Compensating device for hoist ropes 拽引绳补偿装置
Static load compensating device 静态负荷补偿装置
Single - phase earthed capacitance current automatism compensate device of 6kv electricity - net 电网单相接地电容电流的自动补偿装置
With the consideration of most of our transformers " taps are changed manually and some fluctuate unnecessarily , this paper presents a supervision system of oltc based on plc control technique . then we combine this system with reactive power compensate device such as shunt capacitor to design a new supervision system of substation voltage and reactive power synthetic control based on plc fieldbus 针对国内变电站电压调整大多依靠人工调节,且有载调压变压器( oltc )分接头动作频繁的特点,本文提出了基于plc控制技术的有载调压监控系统的研制方法,并以此监控系统为基础,结合并联补偿电容器组等无功补偿设备,设计了一种基于plc现场总线的变电站电压无功监控系统。
The dominance and properties of the cmos integrated reference were also described , and the research meaning was pointed out . related device theory and process model used in design were described . the temperature related model and the influencing factor of two active devices , subthreshold mosfet and pnp substrate transistor , based on cmos process were analyzed and compared , and pointed out that the pnp substrate transistor was more fit for being the temperature compensating device for bandgap reference 阐述了设计中相关的器件理论与工艺模型,对cmos工艺下的两种有源器件,即亚阈值工作状态下的金属场效应晶体管( mosfet )及衬底pnp双极型晶体管( bjt )的温度模型及其影响因素进行了分析和比较,指明衬底pnp双极型晶体管更适合作为基准源的温度补偿元件。
The method uses piezoelectric transducer ( pzt ) as vibration - compensating device . the design of electro - circuit and the control flow with dsp are described in details . the mechanism of pzt driven mirror and the pzt driver are greatly improved on their performance of frequency response and linearity 文中详细讨论了用于单点式抗振方案的电路设计及dsp的程序编制,并对系统频响的瓶颈? ? pzt移相器的机械结构和驱动电源作了改进,使其频响及线性度大大提高,从而整体上提高了抗振的效果。