模拟部分采用电压电流瞬时值控制,提高响应速度;
The analog part adopts the control based on current virtual value and improves the response speed.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式,电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
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.
同时阐述了电动机电流测定的常用方法,如瞬时值的测定,积分测定等。
The common methods of current measurement for motor are presented, for example, instantaneous value measurement, integral measurement, etc.
提出了一种利用正弦交流电压和电流的瞬时值测量正弦交流电参量的新算法。
Adopting sinusoidal instantaneous voltage and current, a new algorithm for measuring sinusoidal electrical parameters has been put forward.
应用瞬时值对称分量变换,可提取电压、电流故障分量的正序空间向量。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
电流数据采样的离散性和采样初始时刻的不确定性是导致采样瞬时值电流差动保护动作值模糊区产生的根本原因。
The decentralization of sampled value and the uncertainty of sampled time bring forth the action fuzzy area of sampled value current differential protection.
该方案采用电感电流和输出电压瞬时值双环控制,以提高输出稳定性和动态响应。
To improve the steady state operation and dynamic response, a dual-loop control strategy which incorporates the inductor current and the instantaneous output voltage has been used.
所设计的电网参数测试仪可以测量功率因数、电压和电流的有效值、瞬时值等参数。
The tester designed can be used to measure the parameters, such as power factor, effective value of voltage and current, instantaneous value, etc.
利用非传统电流互感器无饱和的优点,将瞬时值电流差动保护原理应用到分布式母线保护计算中。
The principle of instantaneous current differential protection is applied in the calculation of distributed busbar protection, which takes the advantage of unsaturated current transducer.
利用非传统电流互感器无饱和的优点,将瞬时值电流差动保护原理应用到分布式母线保护计算中。
The principle of instantaneous current differential protection is applied in the calculation of distributed busbar protection, which takes the advantage of unsaturated current transducer.
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