讨论了变频电源输入电压的非正弦对测功电机的性能影响,提出改善不利影响的措施。
In this paper, the functional influence of input voltage non-sine of Varible-frequency voltage source on Electric Power Dynamometer motor discussed. and methods of improving them were also given.
用一对二级管以反向偏执于正常方向的形式连接至电源端,来保护过高的输入电压。
Protecting against excessive input voltages using a pair of diodes to power supply reversibly biased in normal direction.
本文介绍一种新型的直流开关电源,该电源是一种直流电压输入,三种直流电压输出,并能够达到相当高的效率。
A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
该电源输入单一交流电压和频率,内部经过交流对直流;直流对交流的变流整流转换后,自行产生-非常稳定纯净的正弦波。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
可选带电池,用市电输入电源,适合各国电网及电压不稳地区。
It can select battery, electric supply input power, it is suitable for most countries electric net and pressure.
在额定输入电压,最大负载和额定负载条件下,电源的效率大于65%。
The power supply efficiency shall be greater than65% under rated input voltage. It will be measured at the typical load and maximum load.
由电源或输电线输入到包括镇流器的电压。
Voltage provided to a ballast by a power line or power supply.
仿真结果表明:四种混沌源调制生成的混沌开关调制信号,均能够降低电源的输入电流及输出电压的频谱峰值。
Simulation results demonstrate: the chaotic modulation signals generated from the four kinds of chaotic sources can all reduce the peak level of the input current and the output voltage spectrums.
电源模块的作用是将5v的输入电压转化为3.3 V和1.8 V输出,为系统供电。
The power module changes 5v input power into 3.3v and 1.8v, for supply the system energy.
根据输入电压的不同,电源保护电路稍有不同。
The protection circuits are varied according to the input voltage.
介绍一种对输入电压的波动有很强适应性的开关电源。
A novel switching power supply for wide input voltage is introduced.
彩色电视机开关电源的稳压输出与输入电压、电源负载有关。
The colour TV switching power constant voltage output related to the input voltage and the power source load.
显示设备的供电装置,其特征在于,包括如下部分:对输入电源电压进行变压的变压器;
It is characterized by that it includes the following several portions: trans former for transforming inputted power supply voltage;
电力电源模块输入电压极宽在100V—415V之间,可有效解决电力产品的供电问题;
The power module entered voltage very wide in 100V-415V, can effective solution power products of powered problem;
依靠ESD适用电路输入连接器的极性,其高电压放电通过二极管d 1a或d1b进入供电正向或负向电源。
Depending on the polarity of an ESD event you apply to the circuit's input connector, its high-voltage spike discharges through diode D1A or D1B into the positive or the negative power-supply rail.
该开关电源采用新颖的双管串联模式,解决了高电压输入条件下开关管的选用难题。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
本开关电源具有宽范围的交流输入电压。
This specification describes a full range AC input voltage switching power .
以新一代功率因数校正芯片CM 6800为核心,提出了一种宽电压输入、固定电压输出的LCD电视机电源的设计方案,重点讲述了CM 6800的主要特性及各主要器件参数选择。
The LCD power supply with universal input and fixed output voltage is analyzed and then designed based on CM6800. The main property of CM6800 and the main components parameter's choice are discussed.
当整机电源输入口电压跌落时,本发明电路的抗跌落电容放电,能为整机提供短时负载功耗。
In the invention, discharge of falling off capacitance supplies power dissipation of short time load for complete device.
介绍了一种适用于户外电网远程监测监控的不间断高频开关电源,设计了一种简易可靠的110V/2 2 0V自动切换电路,以满足宽范围电压输入要求。
A novel high frequency switch power supply, which is suitable for power network outside, is introduced in this paper, and a automation switching circuit for 110V/220V input voltage has been designed.
同时,马达的休息电压也许是50%正常输入电压,并且相差与被交换的电源可以是180度。
At the same time, the rest voltage of the motor may be 50% of normal input voltage and the phase difference with power supply switched can be up to 180 degrees.
接通时,各开关在两个方向的导电性能相同,输入信号范围可扩展至电源电压范围。
Each switch conducts equally well in both directions when on and has an input signal range that extends to the supplies.
模拟电路部分包括:电池电源供电模块、信号采集电路、模拟滤波和放大电路、增益调节电路、地电压抬升电路和A/D输入信号限制电路。
The analog circuit consists of power-supply modular, signal pickup circuit, analog filter amplifier, gain control circuit, power ground lifting circuit and signal limit circuit of A/D channel.
新型的FET输入管放大器(如ad820系列放大器),在设计上做了改善,对于额定电源电压范围之内的信号,能够防止输出电压相位反转。
New FET-input amplifiers, like the AD820 family of amplifiers, incorporate design improvements that prevent output voltage phase reversal for signals within the rated supply voltage range.
在该电源的输入与负载之间连接了一只阻抗器,通过接入反馈控制网络自动调整阻抗器的电阻值,即可稳定输出电压。
A impedor is connected between the input and the load. The impedor is automatically adjusted by linking feed back loop for the purpose of stabilizing the output voltage.
这种宽输入共模电压范围是用标准低压运算放大器电源实现的。
This wide input common-mode range is obtained with standard low voltage op amp supplies.
它能够提供1.5A的持续输出能力,并且能在较宽的输入电压范围内,保证很好的负载调整率和电源线性调整率。
It achieves 1.5A continuous output current over a wide input supply range with excellent load and line regulation.
它能够提供1.5A的持续输出能力,并且能在较宽的输入电压范围内,保证很好的负载调整率和电源线性调整率。
It achieves 1.5A continuous output current over a wide input supply range with excellent load and line regulation.
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