in this paper, an attempt has been made to introduce a new control strategy including plug-in hybrid electric vehicle (phev) and diesel engine generator to control the voltage and frequency of autonomous microgrids. the proposed control strategy has multiple advantages over the recent control methods in microgrids. the proposed method applies the primary and secondary frequency control strategy...

in this paper, an attempt has been made to introduce a new control strategy including plug-in hybrid electric vehicle (phev) and diesel engine generator to control the voltage and frequency of autonomous microgrids. the proposed control strategy has multiple advantages over the recent control methods in microgrids. the proposed method applies the primary and secondary frequency control strategy...

Distributed Energy Resources (DER) are systems that produce electrical power at the site where the power is needed. If only electrical power is used then the technology is called Distributed Generation (DG). The objective of this paper is to study a novel more than five level multistring inverter topology for DERs based DC/AC conversion system. The distributed energy resource based single-phase...

This paper mainly deals the impact of relays on feeder protection also different factors used to control the active power, reactive power, power reversals, fault current magnitude and balancing condition of power system to protect the distribution system. when Distributed Generation sources are integrated in to the grid above all problems are occurs along with the feeder voltage regulation and ...

The double gate junctionless transistor (DG-JLT) has become the most promising device in sub nano-meter regime. DGJLT based circuits have improved performance and simpler fabrication than their inversion mode counterparts. This paper demonstrates design of different analog digital using DGJLT. Amplifiers inverters are basic building block electronic ICs. A MOS amplifier converts variation to so...

This paper presents a hysteresis band control for achieving maximum benefits from these gridinterfacing inverters when installed in 3-phase 4-wire distribution systems. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. The inverter can thus be utilized as: 1) power converter to inject power generated from RES to the grid, and 2)...

This paper presents an approach for the connection of a photovoltaic generator to the utility grid. A theoretical analysis, modelling, controlling and a simulation of a grid connected photovoltaic system using an output LCL filter are described in detail. In order to reduce the complexity of the system, a linear voltage and current controllers have been developed for a three phase grid connecte...

This paper presents a single-phase Z-source inverter as a power conditioning system for a single phase utility connected system. Z-source inverter is a single-stage topology that has buck-boost feature, which is possible because of additional shoot through state introduced in zero state of the conventional inverter pulse width modulation and provides desired output AC voltage. Small distributed...

A grid-forming inverter in an inverter-dominated grid should operate as a dispatchable voltage source, which is difficult to achieve when the interfaced with nonlinear dc sources such photovoltaic (PV) arrays. This paper presents new controller considers PV source dynamics and limitations maintains dc-link stability under transient overload conditions. single-loop without ac current feedback us...

Abstract Modern radar is a typical millisecond pulse load (MPL). Still, the independent power supply system of with diesel generator (DG) as main source will have serious frequency fluctuation and voltage distortion problems. In practical applications, method to solve these problems increase capacity. This cause waste resources, mobility deteriorate. paper takes (DG_MPL) research object. It pro...