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Proceedings ArticleDOI

Voltage change based fault location in distributed network considering distributed generations

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TLDR
In this paper, a fault location method based on voltage change was proposed for the distribution network, which can adapt to different penetrations of distributed generations in all the practical scenarios, and the fault resistance and unbalance of network are considered too.
Abstract
As more and more distributed generations are connected into the distributed network, the traditional fault location methods are not accurate or suitable. A method of fault location for distribution network based on voltage change was proposed. The method has two steps: firstly, calculating the line group on which the fault may occur by the error index obtained from voltage change; secondly finding the accurate fault position using the voltage change and impedance matrix. This method can adapt to different penetrations of distributed generations in all the practical scenarios. The fault resistance and unbalance of network are considered too. IEEE 34 nodes test feeder was tested, and the result approved great and can meet the need of distribution network fault location.

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Citations
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Journal ArticleDOI

Fault location in power distribution network with presence of distributed generation resources using impedance based method and applying π line model

TL;DR: In this article, an improved impedance based method has been proposed for fault location in power distribution network with presence of photovoltaic distributed generation resources, which is designed to be robust against PV behavior and upstream feeder changes.
Journal Article

Fault Location in Power Distribution Network with Presence of Distributed Generation Resources Using Impedance Based Method and Applying π Line Model

TL;DR: An improved impedance based method has been proposed for fault location in power distribution network with presence of photovoltaic distributed generation resources and the results indicate the high accuracy of the algorithm.
Patent

Micro grid fault locating method based on incomplete information

TL;DR: In this paper, a fault locating method based on incomplete inforamtion relates to the field of micro grid control, in particular to a fault finding method on a micro grid bus.
Patent

Fault location method for active distribution network based on minimized voltage estimation error

TL;DR: In this paper, a fault location method for an active distribution network based on a minimized voltage estimation error is proposed. But the method only needs to collect the power frequency measurement information before and after the fault, and can take into account the influence of unbalance between a distributed power supply and three-phase parameters of the distribution network.
References
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TL;DR: In this article, a review of basic design principles for distributed generation transformer, Reactor, and Shunt Capacitor Protection Bus Protection Motor Protection Line Protection Pilot Protection Stability, Reclosing, Load Shedding, and Trip Circuit Design Microprocessor Applications and Substation Automation Problems Index
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Development of adaptive protection scheme for distribution systems with high penetration of distributed generation

TL;DR: In this paper, the effect of high DG penetration on protective device coordination is explored and an adaptive protection scheme is proposed as a solution to the problems identified, which is implemented on a simulated actual distribution feeder.
Journal ArticleDOI

A Flexible Harmonic Control Approach Through Voltage-Controlled DG–Grid Interfacing Converters

TL;DR: A novel harmonic control scheme using a voltage-controlled method is developed, which is more flexible and has similar compensation performance compared to the conventional current- controlled method.
Journal ArticleDOI

Evaluating the Impact of Network Investment Deferral on Distributed Generation Expansion

TL;DR: In this work, in order to capture the effects of network investment deferral on DG expansion, different regulations for distribution network operators (DNOs) ownership of DG and how they influence the optimal connection of new generation within existing networks are examined.
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