A detailed user-defined UD auxiliary frequency controller AFC model of HVDC has been developed based on Power System Analysis Software Package PSASP.
基于电力系统分析软件包p SASP,使用其用户自定义功能,建立了辅助频率控制模型。
Such a motor can not start, we must use another special auxiliary motor winding or so after the arrival of the appropriate frequency before it can be connected to AC.
此种电动机不能自己开动,必须用另一电动机或特殊辅助绕线使到达适当的频率后,始可接通交流电。
Based on the actuality that in China's printing industry equipment, the main drive mostly adjusts speed by variable frequency, but less usage in itss auxiliary function.
针对目前国内印刷行业设备中主传动已大量采用变频调速,而在其辅助功能上却很少的现状。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度,而不需要辅助的中性束或射频加热系统。
This paper introduces the work principle of four-quadrant operating high-pressure frequency converter, and its application in coal mine auxiliary shaft winch innovation system.
介绍了四象限运行高压变频器的工作原理,并应用到煤矿副井绞车改造系统。
A new design of AC auxiliary transmission system-using frequency-changed drive mode-is proposed. The test result of this design is analysed completely.
提出采用变频驱动的内燃机车新型交流辅助传动系统方案,并结合该方案的试验结果进行全面分析。
Combining the variable frequency condensing pumps with the turbine driven feed water pumps can reduce the auxiliary power consumption and improve the unit efficiency.
将变频凝结泵与汽动给水泵联合使用,降低了厂用电,提高了机组效率。
The pass box is the auxiliary device to the clean room. It is used to transfer small objects between clean rooms and non-clean rooms, so as to reduce the frequency of opening the doors.
传递窗是洁净室的辅助设备,主要用于洁净室之间、洁净室与非洁净室之间的小件物品的传递,以减少洁净室的开门次数。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
本实用新型公开了一种电能质量调节器,它包括原边电压变换器、高 频变压器和副边电压变换器。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题,本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题,本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
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