نتایج جستجو برای: ac transmission

تعداد نتایج: 278691  

Journal: :IEICE Transactions 2006
Ivan Chee Hong Lai Hideyuki Tanimoto Minoru Fujishima

A new transmission line structure is presented in this work for advanced CMOS processes. This structure has a high quality factor and low attenuation. It allows slow-waves to propagate which results in low dispersion for a given characteristic impedance. It is also designed to satisfy the stringent density requirements of advanced CMOS processes. A model is developed to characterize this struct...

Journal: :European Transactions on Electrical Power 2010

Journal: :International Journal of Advanced Research in Science, Communication and Technology 2021

2013
Ai Ueno Guohong Wu

This paper proposes a fundamental and efficient control technique for introducing VSC (voltage source converter)based HVDC (high voltage direct current) transmission into a large-scale offshore wind power generation system with DFIGs (doubly-fed induction generators). The electric power from the offshore wind turbine DFIG is considerably fluctuating and unstable, and needs to be transmitted fro...

Journal: :Egyptian Journal for Engineering Sciences and Technology 2011

2008
M. Claus D. Retzmann D. Sörangr K. Uecker

Deregulation and privatization are posing new challenges to high-voltage transmission systems. High-voltage power electronics, such as HVDC (High Voltage Direct Current) and FACTS (Flexible AC Transmission Systems), provide the necessary features to avoid technical problems in heavily loaded power systems; they increase the transmission capacity and system stability very efficiently and assist ...

Journal: :Genetics 1989
F Belzile M W Lassner Y Tong R Khush J I Yoder

The transmission of transposed Ac elements in progeny derived by self-pollination of ten transformed tomato plants has been examined by Southern hybridization analysis. We show that six of these primary transformants have transmitted a transposed Ac to at least one progeny. One of the families was segregating for at least two different insertion events. In five of ten families, progeny were det...

2016
J. W. Zhang D. G. Dorrell L. Li

This paper investigates the matrix converter when working as the unified power flow controller which can regulate the active reactive power flowing in a transmission line. A conventional unified power flow controller usually has a DC capacitor; this is removed in the proposed controller. This reduces the volume, improves the efficiency and lifetime, and eliminates the DC voltage control. The de...

2014
Wei Wei Xue Peng

Because the power systemload the randomness of the nature, power transmission of AC induction system has the low efficiency. In order to improve the transmission efficiency,the transmission efficiency influenced factors of the system is analyzed. Based on the current source power transfer system, DC/DC circuit for dynamic adjustment method is proposed. The method ensures that the transmission e...

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