1) DC-bus current
直流母线电流
2) Negative DC current
直流母线负电流
3) DC bus voltage
直流母线电压
1.
To make the servo system have the expected functions,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。
2.
The direct torque control(DTC) system fed by TSMC was proposed that to control the inverter to implement DTC,and to control the rectifier to correct input power factor,or improve the performance of the DTC system by controlling input current space vector or the scope of DC bus voltage.
根据双空间矢量调制的缺点,提出了逆变环节采用直接转矩控制,整流环节控制输入电流矢量或直流母线电压来实现输入功率因数校正或提高电机系统性能的双级矩阵变换器供电的直接转矩控制系统。
3.
The reason about weakly performance at low speed-lower ratio of voltage signal-to-noise (SNR) was analyzed,and proposed a novel method-adjustable DC bus voltage,to enhance the SNR as well as to improve the low speed performance.
针对永磁同步电动机扩展卡尔曼滤波无传感器控制时低速性能不佳的问题,分析了低速性能不佳的原因——电压信噪比较小,并且提出了提高信噪比的方法——调节逆变器的直流母线电压,来改善系统的低速性能。
4) DC bus
直流母线
1.
Analysis of a DC bus loss of power and its solutions in the power substation
一起变电站直流母线失电原因分析及解决方案
2.
To ensure the reliability of DC system,the insulation status of DC bus must be entirely monitored online.
为了保障直流系统的安全可靠运行,通常发电厂、变电站使用的直流系统绝缘监测装置是通过检测对称电桥的不平衡程度来反映直流母线的绝缘情况,但当正负母线绝缘均按比例下降时就失效。
3.
However,the use of multi-inverter wiring with a common DC bus, make the power feeding back can be absorbed by other electric motor,and the excess electricity can also be feedback to the power grid through the feedback device,so that power can be fully utilized.
但是采用了多逆变器公用直流母线的接线方式后,电机回馈制动所产生的能量可以被其他电动状态的电机吸收,而且多余的电能还能够通过回馈装置回馈电网,使电能得到充分的利用。
5) bus current
母线电流
1.
Power supply for high-voltage side lines from medium and high-voltage bus to obtain electric energy was designed,the method to accurately measure bus current by using Rogowski coil given out.
设计了从中高压系统母线获取电能作为高压侧线路供电的电源,给出了利用Rogowski线圈准确测量母线电流的方法。
6) common DC bus
共直流母线
1.
The common DC bus technology uses the regeneration energy to supply other drives.
共直流母线技术则是使能量通过母线流动供其它传动使用,以达到节能、提高设备运行可靠性、减少设备维护量和设备的占地面积等目的。
2.
This paper introduces the structure and characteristic of common DC bus system.
介绍了共直流母线系统的组成与特点,针对浆纱机多电机变频传动的特点,将共直流母线技术应用到浆纱机中去。
补充资料：直流
直流
Direct current
直流(direet。urrent) ，仅按一个方向流过电路或设备的电流称为直流。与交流电压相比，直流电压的极性是不变的。直流电流相当于电荷沿着闭合的电路以不变的方向流动或位移。直流电流和电压的幅值可以恒定，也可以随时间变化。 蓄电池和旋转发电机产生幅值恒定的额定直流电压，整流器产生幅值随时间而变的直流电压。整流器把交流电压变换为脉动的直流电压。 通常电站不是广泛地将直流电输配给一般用户，相反，在需要直流电(d。)能的场所，是把商业上合用的交流电(ac)能整流为直流电能。 「罗布(D.D.Robb)撰]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条