By digital simulation, the Ac carried wave system and its equivalent Dc system are checked and the feasibility of Dc method equivalent to the Ac carrier wave system is verified.
通过数字仿真,比较了交流载波系统和其等效直流系统,验证了交流载波系统等效直流方法的可行性。
A new segment solution for solving load margin of AC/DC power system is proposed in this paper based on continuation method and interior point algorithm.
基于连续潮流法和原始一对偶内点法,提出了一种新的分段求解交直流系统负荷裕度方法。
The method of AC frequency-converting speed-governing of spinning screw was introduced in stead of DC speed-governing method.
介绍在纺丝螺杆挤压机的调速方法中,用交流变频调速代替直流调速。
The paper introduces the method of AC and DC filters tuning at Longquan converter station, and the final tuning results.
介绍了龙泉换流站交、直流滤波器调谐的方法和最终调谐结果。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
What's more, it solves AC equation and DC equation respectively in the process of iterative calculation, so it has the same advantages as the alternating iterative method.
同时,该算法在迭代过程中,将直流系统方程和交流系统方程分别进行求解,因此,它也具有交替迭代法的优点。
This paper reports the development of a novel and effective approach in AC/MTDC (Multi terminal DC) power system state estimation, called improved sequential method.
综合分析了近些年来关于多端交直流系统(AC/MT DC)状态估计的算法,并提出了一种AC/MTDC状态估计分析的新算法———改进交替求解法。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡(SSO)模态阻尼的影响。
The modeling method of dc & ac arc furnaces are proposed.
简要介绍了直流电弧炉和交流电弧炉建模的几种方法。
The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system, which use PWM as the speed-adjusting control method.
FANUC一11型交一直一交频调速系统,调速的控制方法为脉冲宽度调制(pwm)法。
This paper presents to improve the method of contactor and several schemes of ac contactors for DC running. It makes farther improvement for the scheme of doable winding DC running.
本文介绍了提高交流接触器触头压力的方法及几种交流接触器直流运行的方案,并对双绕组直流运行方案做了进一步的改进。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction and dual direction bus are focused.
介绍了总线直流负载和交流负载的估算办法,也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
A method of reactive power security control in high voltage AC / DC hibrid systems is presented in this paper.
本文提出一种高压交直流并联系统的无功校正安全分析方法。
This paper presents a way of control combining fuzzy control and vector control of AC and DC motor control method, and this method is applied to system design.
论文运用了一种将矢量控制与模糊控制相结合的交流电机协调控制方法,并将此方法成功的应用于试验系统设计中。
This paper introduces a microprocessor controlled PWM real time controller used in AC-DC-AC electric locomotive. A real-time forming method of multi-mode PWM waveform is described.
介绍了一种用十六位单片机实现的用于控制交-直-交电力机车道变器的PWM实时控制器,论述了PWM波形的实时生成方法。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction…
介绍了总线直流负载和交流负载的估算办法,也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction…
介绍了总线直流负载和交流负载的估算办法,也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
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