除了切换高压(>100V)时需要高压开关卡外,通用开关通常足以切换电压源。
General-purpose switches are usually sufficient for switching the voltage source unless high voltages (>100V) are involved, in which case, high voltage switch cards are necessary.
提出一种自动量程切换电压测量系统的设计方法,该系统基于程控增益放大器器件,使用单片机控制其增益实现量程的自动切换。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
接触电势或热电效应偏移电压是设计用于低压切换的开关卡的关键技术指标。
The contact potential or thermoelectric offset voltage is the key specification of a switch card designed for low voltage switching.
切换和测量具有高内阻的电压源会受各种误差的影响,包括偏移电流、寄生漏泄通路,以及静电干扰。
Switching and measuring voltage sources with high internal impedance are subject to a number of errors, including offset currents, stray leakage paths, and electrostatic interference.
高阻电路的切换应用包括小电流、高电阻和高阻抗电压应用。
Switching applications of high impedance circuits include low current, high resistance, and high impedance voltage applications.
当切换低压信号并进行低电阻测量时,可通过偏移补偿的方法消除热电效应偏移电压。
When switching low voltages while making low resistance measurements, the thermoelectric offset voltages may be canceled by using offset compensation.
在有些应用中,例如监测电化电池和测量半导体的电阻系数,则可能必须进行高阻抗电压切换。
High impedance voltage switching may be necessary in applications such as monitoring electrochemical cells and measuring semiconductor resistivity.
如果切换系统中会混合出现小电流、高电压和高频信号,屏蔽则非常关键。
Shielding may be essential in a switching system if a mixture of low current, high voltage, and high frequency signals are present.
如果被切换电流足够高,通道电阻会引起明显的电压降。
The channel resistance may cause a significant voltage drop if the current being switched is high enough.
将静电计置于电压模式,然后打开外部反馈,就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
现场可编程门阵列芯片通常支持两个或更多个电源电压,以允许用户在所支持的电源电压之间切换。
Field programmable gate array chips typically support two or more power supply voltages, allowing the user to switch between the supported power supply voltages.
“最大信号电平”是指能够切换但又不会损坏开关卡的电压、电流和功率的最大值。
"Maximum signal levels" refers to the highest levels of voltage, current, and power that can be switched without damaging the switch card.
在将一个电压源切换至多个装置时,则可能必须补偿由于开关电阻引起的压降。
When switching a voltage source to multiple devices, it may become necessary to compensate for voltage drops due to switch resistance.
由于切换的是高阻抗,所以切换小电流(5.3.1部分)和高阻抗电压(5.2.3部分)时采用的技术也同样适用。
High impedances are being switched, so some of the same switching techniques used when switching low current (Section 5.3.1) and high impedance voltages (Section 5.2.3) are equally applicable here.
在控制器中引入了饱和函数,降低了控制增益的大幅切换,保证了定子电压的稳定性。
Introduces the saturation function into controller, reduces the wide-range switch of control gain, ensures the stability of stator voltage.
安装进线刀开关、进线电流表、电压表(可切换)和进线电压指示灯。
Install incoming disconnect switch, incoming current meter, voltage meter (switchable) and incoming voltage indicator light.
抑制各种感性负载切换或各种瞬间噪声在电路板中产生的EFT和浪涌电压。
Suppression of Inductive Switching or Other Transient Events Such as EFT and Surge Voltage at the Circuit Board Level.
在设计老化试验系统时,任务之一就是确定切换所有输出电压的最佳方式。
When designing a burn-in test system, one task is to determine the best way to switch all the output voltages to be monitored.
当必须严格控制从施加电压到进行测量之间的时间间隔时,就需要采用热切换。
Hot switching may be required when the interval from when power is applied to the point when the measurement is made must be closely controlled.
开关卡的技术指标通常是由特定的应用决定的,例如小电流或高电压切换。
Switch card specifications are usually stated with a specific application in mind, such as low current or high voltage switching.
电压软切换通过软件智能识别、选择工作母线,完成母线电压快速无触点切换。
Soft switch of voltage can identify and select working bus intelligently by software, and switch the bus voltage immediately without any contact.
本文主要研究的是基于液晶电光特性的电压控制视角模式切换的视角控制设备各方面性质。
The study is mainly aiming at the device's display properties which could use voltage switch the view angle mode basing on Liquid crystal electro-optical properties.
此输出缓冲器可快速地将输出电压切换为低电平和高电平。
The output buffer has ability of switching the output voltage to be low level and high level in high-speed.
针对双母线电压互感器二次电压切换存在的问题,提出了电压软切换的新方法。
There are some problems about the secondary voltage switching between voltage transformers of double bus.
零电压切换开关的可能性电阻器或电机。
Possibility of zero voltage switching to switch resistors or motors.
在此元件中,稍微施加电压即可使半导体在非磁与铁磁两种状态之间切换。
In this device, a small voltage would switch the semiconductor between nonmagnetic and ferromagnetic states.
对受端继电器,提出仅利用保护安装处的电压变化值构成同相点切换判据,可以有效降低系统参数的影响。
For the receiving end, a new switching criterion based on the bus voltage is described, which is immune to the system parameters.
对受端继电器,提出仅利用保护安装处的电压变化值构成同相点切换判据,可以有效降低系统参数的影响。
For the receiving end, a new switching criterion based on the bus voltage is described, which is immune to the system parameters.
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