设计了以DSP为控制器、集成电路构成高速滞环电流比较器的电机调速系统。
The motor speed driving system USES DSP as controller and USES high-frequency delay-loop current comparator composed of integrated circuit.
针对传统电流比较器速度慢，精度低等问题，提出了一种新型CMOS电流比较器电路。
In view of the problems about conventional current comparator, such as low speed and low accuracy, we have proposed a novel CMOS current comparator.
该电路主要由可编程电流镜和电流比较器构成，具有结构简单，运算速度快，易于单片集成等优点。
Consisting mainly of programmable current mirrors and current comparators, this circuit features simple structure and fast operation.
我们需要的是比较小的整流器，正是凭藉它们较小的尺寸，来对相应频率的电流进行整流。
What is needed are smaller rectifiers which would, by very dint of their size, rectify current of an appropriate frequency.
该方法能比较全面地检查电流互感器二次回路，而且简单可靠。
The new method can examine the secondary circuit of current transformer roundly, simply and reliably.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
为改善功率因数，对神经网络控制器(NNC)与电流模式控制器(CMC)的控制效果进行了仿真比较研究。
To correct the power factor, the controlling effect of both neural network controller (NNC) and current mode controller (CMC) is researched in this paper.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
对滞环比较电流控制方法进行了深入分析，讨论了影响电力有源滤波器性能的关键因素。
Also, it analyzed the current control method of hysteresis current control, and gave several key factors which affect performance of the APF.
因此，缓冲器在连接到要求比较高的负载时就具有较高的电流增益。
Hence it will have a higher current gain when connected to a more demanding load.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上，提出了一种变压器保护新方案。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
该电力有源滤波器以主电流为控制对象，控制电路比较简单。
The filter takes the main current as a controlled object. Its control circuit is simple.
提出了单相有源滤波器双滞环电流比较状态优化控制方法。
Double current hysteresis optimal state control method in single active filter is proposed.
并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。
The digital comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
电流模pwm集成dc - DC变换器设计中，为了防止亚谐波振荡而普遍采用的斜坡补偿，会在占空比较大时严重影响芯片的带载能力。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
新型电流极限比较器由电流检测电路和电流比较电路两个部分组成。
This paper proposes a new current-limited comparator including current detect and current comparison circuits.
不同于传统的模拟滞环比较器，采用基于三维空间矢量脉宽调制(3dSVPWM)法控制补偿电流的产生。
Instead of the conventional analog hysteresis comparator, the compensatory current is produced by 3-dimensional space vector modulation (3d SVPWM) technique.
本文叙述了一种感应分流器和电流比较仪的绝对校验方法。
This paper describes an absolute method for the calibration of the complex cur-rent ratio of the inductive current divider and the current comparator.
该电路由差动比较器、精确电流产生电路、充放电电路及其控制电路组成。
It is composed of a differential comparator, an accurate current generator, and a charge and discharge circuit with its control circuit.
比较好的经验法则是在最大被测电流下，使得该电阻器上的电压降为1v。
A good rule of thumb is to use a large enough resistor to cause a 1v drop at the maximum current to be measured.
采用该算法仿真典型的C类功率放大器得到电流波形和工业界公认标准器件仿真器MEDICI瞬态模拟得到电流波形比较，显示出很好的一致性。
The new algorithm is applied to the simulation of a class C amplifier, current waveforms at drain and source show good agreement with those obtained by MEDICI transient analysis.
它是继零磁通电流互感器、双级电流互感器和电流比较仪之后的又一种新型的电流比例标准。
It is a new current ratio standard after the zero flux current transformer, two stage current transformer and current comparator.
并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。
The magnitude comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
针对S级电流互感器的检定，从规程、装置和方法上比较并阐述了与普通电流互感器检定的不同之处。
The authors introduce the differences between normal current transformer and S class current transformer from the testing standard, equipment and method of CT calibrating.
提出了一种适用于输电线路差动保护抗电流互感器(TA)饱和的新方法——电流极性比较法。
A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.
其次对集成电路内所需要的基本模拟及数字电路如有源电阻、电流镜、电压比较器、与门及或门进行了设计和仿真。
Then the all basic-circuits are also designed and simulated carefully including active resister, current mirrors, comparator, inverter, AND gate, OR gate.
仪器使电流比较仪处于零磁通工作状态，再利用互感器校验仪的测差原理测试被检电流互感器的误差，从而使互感器校验仪具有比较仪检定功能。
In this instrument the current comparer is set to zero magnetic flux, then the instrument transformer calibrator with the theory of measurement can measure the error of the current transformer.
大型母线式电流互感器(CT)的安装一直比较困难，针对这个问题介绍了一种母线式CT安装装置。
The installation of main type CT has ever been rather difficult. The paper introduces a device for installing main type CT.
低成本，微功耗，高边电流检测放大器，比较器参考。
Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference.
低成本，微功耗，高边电流检测放大器，比较器参考。
Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference.
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