نتایج جستجو برای: direct power control

تعداد نتایج: 2106000  

2011
JENNHWA WONG

This paper proposes a parallel energy-sharing control for fuel cell electric vehicles (FCEVs) application. The hybrid source consists of a fuel cells (FCs) generator, battery packs and Ultracapacitor (UC) modules. In the proposed parallel energy-sharing control, each source is connected to the direct current (DC) bus via power electronics converters. A total of six control loops are applied in ...

2012
D. Jagan K. Suresh

This paper presents a direct power control (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFCs). Matrix converters (MCs) allow the direct ac/ac power conversion without dc energy storage links; therefore, the MC-based UPFC (MCUPFC) has reduced volume and cost, reduced capacitor power losses, together with higher reliability. Theoretical principles of direc...

ژورنال: پژوهشنامه اخلاق 2020

The present article looks at the control of political power through the lens of Islamic ethics, which distinguishes between the two approaches of direct and indirect criticism by examining some ethical texts. In these texts, the direct critique of power, on the one hand, is necessary to correct the state of society; but on the other hand, given its enormous dangers, it is advisable to avoid it....

Journal: :International Journal of Electrical and Computer Engineering (IJECE) 2019

2018
Zhihao Wang Zhengqing Chen Hui Gao Hao Wang

A new self-powered magnetorheological (MR) damper control system was developed to mitigate cable vibration. The power source of the MR damper is directly harvested from vibration energy through a rotary permanent magnet direct current (DC) generator. The generator itself can also serve as an electromagnetic damper. The proposed smart passive system also incorporates a roller chain and sprocket,...

Journal: :International Journal of Digital Signals and Smart Systems 2021

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