In this paper the effectiveness of a Dynamic Voltage Restorer controlled by neural network for voltage sags/swells mitigation is shown. A typical configuration of DVR is implemented by using MATLAB Simulink®, which is controlled using backpropagation neural networks. The good performance for voltage sags/swells mitigation of the DVR controlled with neural networks can be observed by means of se...

The problem of voltage unbalance and its impacts on sensitive loads is well known. To solve these problems, custom power devices are used such as dynamic voltage restorer (DVR), which is most efficient and effective modern device. This paper discusses a review of the researches on the Dynamic voltage restorer (DVR) for power quality Improvement in power distribution networks. Sensitivity indust...

in this paper, the impacts of installing superconducting fault current limiter (sfcl)in radial and loop power distribution system are evaluated to improve voltage sag in both cases of with and without distributed generations (dg). among various sfcls, the hybrid type with a superconducting element in parallel with a current limiting reactor (clr) is selected. this is more effective than resisto...

Adopting eco-friendly solutions is the need of hour in order to downscale carbon emissions and fast depletion fossil fuels. Hybrid energy systems provide one such optimistic sustainable solution for power generation a grid integrated system as well stand-alone applications. With systems, there are many codes be maintained voltage stability, frequency deviation Fault Ride Through Capability (FRT...

Serious power quality issues and huge economic loss can be caused by voltage sag. It’s helpful for grid corporation to estimate voltage sag loss. Voltage sag and influence of sensitive equipment are analyzed in the paper. An estimation method of voltage sag loss based on blind number theory is proposed, which takes the sag magnitude and duration as its main characteristic parameters. First Eucl...

In this paper a Dynamic Voltage Restorer (DVR) is used for power quality improvement on transmission side for the voltage regulation, grid stabilization and efficient utilization. The DVR normally installed between the source voltage and critical or sensitive load. The vital role of DVR depends on the efficiency of the control technique involved in switching circuit of the inverter. The DVR is ...

In power systems, custom power devices are used in series to avoid the voltage drop. Dynamic voltage restorer (DVR) is one of these tools. The various control techniques are available for the operating DVR. This paper is to use the dq0 technique to control DVR Series as a compensator for protection at fault furthermore, dents and bump's voltage sensitive loads to the system. The proposed contro...

Power electronic devices and variable speed drives solve a power quality issue. To increase the quality, distribution side must be compensated by concurrently infusing actual reactive power. A cost-effective method of preventing voltage sag swell in loads is use dynamic restorer. enhance for end users, DC-link component will combined with DVR. Ratings DC-Link elements inverters are more challen...