Investigation of high cyclotron harmonics in Bernstein mode gyroklystron technology of DC frequency conversion scroll compressor& oil balance 伯恩斯坦模回旋速调管高次回旋波的研究直流变频涡旋压缩机技术及系统回油方式
Technology of DC frequency conversion scroll compressor& oil balance 直流变频涡旋压缩机技术及系统回油方式
Based on the single DC motor model, the mathematic model of dual-motors was established to analyze the problem of output torque balance of dual-motors. 这一特殊结构使得正反转电机的驱动问题尤其是输出转矩平衡问题显得尤为突出。
Digital Control Algorithms for DC/ DC Converters Based on Capacitor Charge Balance 基于电容电荷平衡的DC/DC变换器的数字控制算法
Research on DC link neutral point potential balance of inverter 逆变器直流母线侧中点电位平衡的研究
One way Fluid Solid Interaction of Unshrouded Centrifugal Compressor Impeller Blade TECHNOLOGY OF DC FREQUENCY CONVERSION SCROLL COMPRESSOR& OIL BALANCE 半开式离心压缩机叶轮叶片单向流固耦合分析直流变频涡旋压缩机技术及系统回油方式
A DC voltage outer loop control for power balance and PI correction and an AC current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage. 通过直流电压外环的功率平衡控制及比例积分校正,配合内环并网电流反馈控制,使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
This paper presents a control method to realize dynamic reactive compensation and keep its separate dc voltage balance at the same time. 本文提出一种新的STATCOM不平衡补偿的控制方法。
DC voltage close-loop control is achieved in the detecting unit on the basis of power balance theory. 基于能量平衡原理并借助检测环节实现了逆变器直流侧电压的闭环控制。
The data acquisition system used the DC offset compensation method to balance both the standing capacitance and the charge injection capacitance. 系统采用直流补偿的方法来消除静态电容和电荷注入电容。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance. 该方法通过实时检测三相交流输出电流方向得到方向函数,利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向,实现电压平衡。
DC Side APF Design and Analysis Based on Energy Balance Principle 基于能量平衡思想的直流侧APF的分析与设计
Improvement on DC-voltage balance control method of three-level inverter 三电平逆变器直流侧电压平衡控制方法的改进
Furthermore, DC voltage control is achieved adopting power balance theory. 采用能量平衡原理实现了逆变器直流侧电压的控制。
Objective To study the changes of IL-12 produced by dendritic cells in peripheral blood in children with Henoch-Schonlein purpura ( HSP), and to explore its influence on TH1/ TH2 balance in order to elucidate its significance in the pathogenesis of HSP. 目的观察过敏性紫癜(HSP)病儿外周血树突细胞(DC)产生IL12的变化,并探讨其对TH1/TH2平衡的影响及在HSP发病机制中的意义。
Monitoring and detecting of DC system insulation by balance resistance method 平衡电阻法监测直流系统绝缘
Against the cascade APF DC side voltage instability as well as the various manifolds unit DC voltage imbalance, this paper presents a DC voltage balance control method, a very effective way to solve this problem. 针对链式有源电力滤波器直流侧电压不稳定以及各阀组单元直流侧电压不平衡现象,本文提出了一种直流侧电压均衡控制方法,很有效地解决了这一问题。
The DC balance and data transmission reliability were achieved by 8b/ 10b encoding and cyclic redundancy code. 通过8b/10b编码和循环冗余编码保证了总线的直流平衡和数据传输的可靠性。
Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF. 然后根据交流侧和直流侧的功率平衡方程,推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。