MOSFET的输入二极管是由一个电场控制在门区,因此总是输入阻抗非常高,因为没有正向偏置二极管,以降低输入阻抗。
The MOSFET input diode is controlled by an electric field in the gate region, thus the input impedance is always extremely high because there is no forward biased diode to lower the input impedance.
最后,引进了这个妖魔,它的眼睛是一台照相机和控制电场的电脑。
Finally, enter the demon, whose eye is a camera and brain a computer that controls the electric field.
您无法控制何时起风,因此陪同风力发电场极力需要建立大型、高容量的能量储备。
You cannot control when the wind blows, and there is a strong need for large, high-volume energy storage to accompany the wind farms.
电工理论中的电路和电场计算方法以及自动控制理论中的非线性和复杂性的方法是论文的主要手段。
The numerical method of electrical field and circuit and nonlinear and complexity of automation are the main means utilized in the subject.
设计了室内模拟装置:在水池内放置排列的钢电极和可控制干扰电场。
A special device with arranged steel electrodes and controlled interferential electric field in water pool was designed.
在此基础上,提出了改进后的球形转子电场恒速控制系统的结构和动态模型。
Then, the structure and dynamic models of improved constant rotor speed control system using electric field method are proposed.
该系统能稳定工作在高电压、强电场的工作环境下,且具有控制智能化、精度高和实时性强的特点。
This system has much advantages such as control intelligence, high precision, real control and that can work stably in the high voltage and strong electric field working condition.
电场的方向和强度都是有效的控制参数。
The direction and strength of electric field are all useful controlling parameters.
采用辅助电场与热处理工艺相匹配的控制技术可以明显提高材料的三阶非线性光学性能。
With the good combination of auxiliary electric field and heat treatment, the third order nonlinear optic performance can be improved obviously.
介绍一种基于PLC为风力发电机主控单元,适于风电场集群控制的有效方法。
This paper introduces an effective method suitable for wind farm central control which USES PLC as the wind turbine generators main control unit.
综合自动增益控制(acg公司)的光抑制各种源的干扰,而内部屏蔽能阻挡电场干扰。
Integrated Automatic gain Control (ACG) suppresses all kinds of light-source disturbances, while internal shielding offers protection against electrical field disturbances.
提出风电场稳态电压和暂态电压稳定性控制的概念。
Put forward the conception of steady voltage and transient voltage stability control of wind power plants.
在基于电压源换流器的高压直流输电(VSC -HVDC)交直流混合风电场并网系统中,控制VSC - HVDC送端站注入到PC C点的无功功率可以抑制电压波动。
In hybrid wind farm integration system based on HVDC of voltage source converter (VSC-HVDC), the voltage fluctuation can be alleviated by compensating reactive power to PCC from VSC-HVDC sending end.
简要阐述了电场除尘器的原理,对其中的电源部分和单片机控制部分以及在开发过程中应当注意的问题做了详细地说明,并给出了相应的软件流程图。
Introduces the principle of electrical field dust catcher, and explains the power part, single chip microprocessor controlling part and attention in details. And the software flow chart is showed.
随着信息技术在风力发电中的应用,风电场SCADA系统的安全访问控制变得越来越重要。
With the application of information technology in wind power generation, secure access control of SCADA system for wind power farm becomes more and more important.
完成的通讯协议和远方监控软件实用合理,安全可靠,为风电场实现风力机群的优化控制和管理提供了一个理想的软、硬件平台。
The protocols and the remote monitor software operate well and are reliable, they supply an ideal soft and hard platform for wind farms optical control and management.
在风电场混合并网系统中,通过电压源换相高压直流输电可以控制系统中的无功功率、抑制并网公共点的电压波动。
In interconnected hybrid wind farm system, the voltage fluctuation can be alleviated and the reactive power can be controlled by voltage source converter.
实验结果表明:施加电场后的电流变液夹层圆柱壳体对处于中、高频率的声波没有明显的吸收和阻隔效果,但对于由声激励引起的结构振动有明显的控制作用。
The test results show that by adjusting applied electrical field strength, the properties of the ER material as well as the sandwich cylindrical shell can be changed.
等离子体(36)被用于施加电荷,该电荷形成控制纳米管的形成方向的电场。
A plasma (36) is used to apply electric charge that forms an electric field which controls the direction of formation of the nanotubes.
考虑风电场与同步机关联程度的差异,简化的部分同步机状态反馈方案可有效降低控制器的通信负担。
With the different correlation between wind farm and synchronous machines, the non-full synchronous machine state feedback strategy can greatly relieve the control system communication burden.
电力可以通过HVDC Light技术完全控制,这样风力发电场提供的断断续续的电力就不会破坏电网。
Power can be fully controlled using HVDC Light, so that the intermittent electricity supply from a wind farm cannot disrupt the grid.
在低输入电压范围内,电场加速低能电子成为高能电子的过程为反应控制步骤。
In range of low input voltage, the step of accelerating a low energy electron to a high energy electron with electric field is rate controlling of the discharge chemical reaction of co and H_2.
本文从理论上系统地阐述了高压脉冲电场杀菌装置控制系统的研制,设计出低成本矩形脉冲电源,并且能宽范围调节电场参数。
The development of sterilization device control (system) for HPEF is stated by the Numbers in theory. A cheap square pulsed supply is worked out and its (parameters) can be adjusted in a wide range.
根据绝缘子和均压环表面电场强度控制的考虑,对不同布置方式的均压环配置进行了设计,并对比了不同的均压环设计方案。
Based on the consideration of the electric field around composite insulators and grading ring, design of the grading ring was given compared with different arrangement forms and different design.
结合无刷直流电机双闭环调速系统和风电场功率控制要求设计了飞轮储能系统充电运行的控制方案。
According to the double closed loops speed regulation system and requirements for the power control for the wind farm, a novel control strategy for the charging process of the FESS is designed.
利用串联制动电阻可以减轻风电场低电压穿越对桨距控制等其他措施的依赖。
The LVRT's dependence on pitch control systems and other state-of-art alternatives can be reduced with SDBR.
分析和研究了电流变液(ERF)在环型极板间流动的力学特性,建立了ERF的阻尼力与控制电场之间关系的理论模型。
Theoretical model is developed to describe the relationship between electric field and the resistance of ERF flowing through concentric annulus electrodes.
分析和研究了电流变液(ERF)在环型极板间流动的力学特性,建立了ERF的阻尼力与控制电场之间关系的理论模型。
Theoretical model is developed to describe the relationship between electric field and the resistance of ERF flowing through concentric annulus electrodes.
应用推荐