نتایج جستجو برای: voltage sag mitigation

تعداد نتایج: 141941  

Journal: :The Transactions of the Korean Institute of Power Electronics 2012

Journal: :International Journal of Computer Applications 2013

Journal: :International Journal of Power Electronics and Drive Systems 2023

<p><span lang="EN-US">The power quality issues are raised due to sag/swell, which affects the overall performance of grid-connected system. This study introduces hybrid control mechanism based on a dynamic voltage restorer (DVR) mitigate sag and swell in solar PV-based IEEE 33 bus The controller improves boosts efficiency DVR proposed work is also used address distribution system's ...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :IEEJ Transactions on Power and Energy 2003

2011
Sakthivel Murugan A. Nirmalkumar M. Murali

This paper deals with simulation of multilevel inverter based DVR. The DVR circuit produces high quality voltage since it uses a nine level inverter. This DVR gives better solution to the voltage sag problem by injecting a voltage with reduced harmonics. DVR controls the voltage applied to the load by injecting voltage of proper amplitude and phase angle. Thus DVR is responsible for restoring q...

ژورنال: Journal of Railway Research 2015
Mousavi G, ,

Development of the electric networks led to more interconnection in this system, therefore high level of short circuit faults flows in the networks. Many destructive damages such as instability, insulation problems and voltage mitigation can highly play unwanted influences on the system’s equipment. Using appropriate protection devices like high voltage fuses, fast switches, and such devices...

2012

A new topology of unified power quality conditioner (UPQC) is proposed for different power quality (PQ) improvement in a three-phase four-wire (3P-4W) distribution system. For neutral current mitigation, a star-hexagon transformer is connected in shunt near the load along with three-leg voltage source inverters (VSIs) based UPQC. For the mitigation of source neutral current, the uses of passive...

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