Through the superposition of these two strategies, the fluctuation of DC-bus voltage was significantly reduced, which was valid by simulation results.
通过这两种抑制策略的叠加,大幅减小了直流母线电压的波动。
In addition, switching devices and resonant inductors in the auxiliary resonant unit were not placed on DC-bus to reduce losses of auxiliary resonant unit.
此外,辅助谐振单元中的开关器件和谐振电感都没被设置在直流母线上,降低了辅助谐振单元的损耗。
The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
该方法以电网电压为同步信号,在电网电压信号的过零点采样直流侧电容电压,并通过周期离散控制可以获得负荷电流有功分量。
The energy recovered during the braking of the ac motor can be dissipated in a resistor, which can be switched in parallel with the dc-bus capacitor for this purpose in Fig. 1-5B-1.
交流电动机所转换的能量可以通过在与直流母线电容并联一个电阻来消耗。
Since being chosen as Mr McCain's running-mate in 2008, Mrs Palin has courted publicity tirelessly, most recently with the “One Nation” bus tour she launched in Washington, DC, on Memorial Day.
自2008年成为麦凯恩的竞选伙伴起,佩林女士便孜孜不倦的进行宣传造势活动,最近一次宣传活动是在阵亡将士纪念日这一天,她在华盛顿特区发起的名为“同一个国家”的公车巡游活动。
The problem is discussed on connecting between management unit of DC control power system and field bus of the substation automation system.
对直流系统管理单元纳入变电所综合自动化系统现场总线进行了研究。
The7years 'applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances.
7年的使用实践表明,直流脉动电压频率调制技术对抑制声谐振现象十分有效。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
从发电机转速、功率和直流母线电压之间的相互关系出发,提出利用直流母线电压进行转速观测实现无速度传感器。
The DC servo motors are controlled with motion controller LM629 and motor drive chip LMD18200 based on PC104 bus.
在PC 104总线控制下,应用运动控制芯片LM 629和电动机驱动芯片LMD18200实现了直流伺服电动机的控制。
AC power is rectified and filtered by BR1 and C1 to create the high voltage DC bus applied to the primary winding of T1.
交流电源停止整流和滤波即br1和C1创立高压直流总线应用到T1的初级绕组。
Many of these breakers and inverter loads were connected to a common DC feed bus.
这些断路器和负荷许多逆变器连接到一个共同的直流饲料总线。
Since being chosen as Mr McCain's running-mate in 2008, Mrs Palin has courted publicity tirelessly, most recently with the "One Nation" bus tour she launched in Washington, DC, on Memorial Day.
自2008年成为麦凯恩的竞选伙伴起,佩林女士便孜孜不倦的进行宣传造势活动,最近一次宣传活动是在阵亡将士纪念日这一天,她在华盛顿特区发起的名为“同一个国家”的公车巡游活动。
Additionally, damage may occur to the precharge circuitry if this is attempted because the precharge resistor will remain in circuit with the DC bus, and precharge never completes.
此外,损害可能发生的预充电电路如果试图这样因为充电电阻将保持电路的直流总线,和充电没有完成。
SVPWM technique have many good qualities, such as less pulsating torque, high usage of DC bus voltage, less switching loss, better high-speed regulation performance.
SVPWM具有较高的直流电压的利用率,开关损耗小,从而实现了高性能的逆变输出。
To make the servo system have the expected its, it s especially important for selection of DC bus voltage in servo driver.
在伺服系统中要使系统能够满足所期望的性能,伺服系统驱动器直流母线电压的选择尤为重要。
In order to achieve power steering function in fuel cell bus, an electrohydraulic system is proposed, where the pump is directly driven by a DC motor through an axis coupler.
为了实现燃料电池电动客车的动力转向功能,提出了直流电机通过联轴机构直接驱动油泵的电动液压式动力转向系统。
The duty ratios of switches in each switching cycle can be directly obtained by simple calculation using two phases source currents and dc bus capacitor voltage.
只需检测两相电源电流和直流侧电容电压,通过简单计算就可直接求出每个开关周期内各开关的占空比。
This paper describes a new method by which the positive, negative resistance to ground of DC bus and branch could be tested precisely by mere use of universal instruments and standard resistors.
提出一种仅用万用表和标准电阻就可以准确测量出直流母线和支路负荷正对地电阻、负对地电阻的新测量方法,这种方法能准确查找绝缘低故障支路;
An main circle topology construction of DC-DC controller based on CAN bus and its control strategy are introduced. Designs of hardware and software are described in detail.
介绍了一种基于CAN总线的DC - DC控制器的主回路拓扑结构及其控制策略,并详细说明了系统的软硬件设计。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
采用双环结构,用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The stability of the dc bus capacitor voltage is directly connected with the compensatory capability of an voltage source active power filter.
电压源型有源电力滤波器直流侧电容电压的稳定程度对补偿性能有直接的影响。
The all-digital ac frequency conversion control system based on the common DC bus can meet the requirements of high speed and high reliable control performance of the high-speed paper machine.
这种基于公共直流母线的全数字交流变频控制系统适用于高速纸机的高速度、高可靠性控制性能的需要。
The products included all the models of transport refrigeration units, truck air conditioner, bus air conditioner, DC powered air conditioner and parts.
公司产品包括各类冷藏车制冷机组,卡车空调,客车空调,直流电动空调及配件。
Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.
电流环软启动通过输出电流指令递增实现,电压环软启动则比较了直流侧电压指令逐步升高法、恒定电流充电法、变PI参数调节法三种策略。
Linking of the host and extensions is based on DC bus mode, both energy and communication signal transfer through DC bus.
主机和分机采用直流母线的方式连接,能量和通信信号都通过母线传递。
Furthermore, the method is used to control the DC bus voltage of the VIENNA rectifier, with enhanced control accuracy and system stability.
然后将所提方法应用到VIENNA整流器直流母线电压控制中,提高了控制精度,并增强了系统的稳定性。
The simulation results indicate that the system has good dynamic performance, DC bus voltage is stable and has small fluctuations, and it satisfies the demand of DFIG excitation.
仿真结果表明,双馈发电机控制系统具有良好的动态控制性能,直流母线电压稳定,波动小,能够满足双馈发电机交流励磁的需要。
PFC circuitry operates in critical conduction mode(CCM)and provides for high PF, low THD and DC bus regulation.
内部的功率因数校正(PFC)电路以临界导通模式(CCM)工作,可获得高功率因数、低总谐波失真(THD)及直流电压调整。
PFC circuitry operates in critical conduction mode(CCM)and provides for high PF, low THD and DC bus regulation.
内部的功率因数校正(PFC)电路以临界导通模式(CCM)工作,可获得高功率因数、低总谐波失真(THD)及直流电压调整。
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