نتایج جستجو برای: thyristor switched capacitors

تعداد نتایج: 30722  

2010
S. Sankar S. Balaji

Abstract The Power electronic based FACTS devices can be added to power transmission and distribution systems at strategic locations to improve system performance. This paper deals with the simulation of various FACTS controllers using simulation program with Integrated circuits Emphasis (PSPICE) .The FACTS controllers will control series impedance, shunt impedance, current, voltage and phase a...

2013
N. M. G. Kumar P. Venkatesh Sangamewara Raju

The paper mainly deals about the application of flexible AC transmission system (FACTS) to increase the power transfer capabilities for new operating scenarios in the bulk power systems. With the effect of FACTS technology improves transmission capabilities to reduce the system losses, and also improves the loadability of the power system. FACTs technology allows a better utilization existing t...

Journal: :CSEE Journal of Power and Energy Systems 2021

In this paper, a new generalized step-up multilevel DC-AC converter is proposed, which suitable for applications with low-voltage input sources such as photovoltaic power generation and electric vehicles. This inverter can achieve high voltage gain by controlling the series-parallel conversion of DC supply capacitors. Only one source few devices are employed. The maximum output number levels be...

Journal: :IEEE Transactions on Power Electronics 2021

Transformerless (TL) grid-connected photovoltaic (PV) inverters with a common-ground (CG) circuit architecture exhibit some excellent features in removing the leakage current concern and improving overall efficiency. However, ability to cope wide range of input voltage changes while maintaining output single power conversion stage is key technological challenge. Considering this, article at han...

Journal: :IEEE Transactions on Industry Applications 2021

Switched-capacitor-based multilevel inverters (SC MLIs) have received a great deal of interest that reduces the dc source requirement and improves power quality. However, multiple sources large number switches to generate high-quality boost output are fundamental issues in SC MLIs. This article presents step-up 17-level MLI using reduced switches, three capacitors, single source. The steady-sta...

Journal: :Iet Power Electronics 2022

In this paper, a novel high step-up direct current (DC)-DC converter, using switched-capacitor (SC) cells, is proposed. Upon turning set of switches in converter on/off, the capacitors are connected to each other circuit configuration, and charged through source. Then, reconnected different configuration by off/on, generate output voltage. This modular able produce flexible, voltage from low in...

2013
M. Ramadan Sayed M. A. Moustafa Hassan A. A. Hassan

This paper introduces comprehensive fast control characteristics and continuous compensation means using Adaptive Neuro-Fuzzy Inference System. Flexible AC Transmission System (FACTS) devices have been investigated and adopted in power engineering area. There are so many advantages in using FACTS devices. It can increase dynamic stability, loading capability of transmission lines, improve power...

2015
Matteo Di Cosmo M. Di Cosmo

The CERN accelerator complex consists of several generations of particle accelerators, with around 5000 power converters supplying regulated current and voltage to normal and superconducting magnet circuits. Today around 12 generations of converter control platforms can be found in the accelerator complex, ranging in age and technology. The diversity of these platforms has a significant impact ...

Journal: :IEEE Access 2022

To use fewer components to construct a multilevel inverter (MLI) with more levels and high quality of the output voltage, hybrid MLI is developed by combining double-mode switched-capacitor (SC) unit T-type fed flying capacitors (FCs). The SC used boost amplitude voltage twice dc input while responsible for increasing number levels. A total ten transistors, four capacitors, two diodes are gener...

Journal: :journal of operation and automation in power engineering 2015
ebrahim babaei mohsen hasan babayi elias shokati asl sara laali

in this paper, a new topology for boost z-source inverterbased on switched-inductor cell is proposed. the operating modes of the proposed inverter are analyzed and also a suitable control method to generate the trigger signals of the inverter is presented. having a common earth between the input source and inverter and capability to generate a higher voltage gain by using lower amounts of the d...

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