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ECONOMICAL POWER QUALITY ENHANCEMENT IN MV DISTRIBUTION NETWORKS BY POWER ELECTRONICS SOLUTIONS

by Gerhard Mauthe , Lothar Heinemann , Dirk Westermann
"... SUMMARY Besides the classical reasons for power quality problems a growing share of power generated by renewable energy sources, together with a reduction of redundancies in lines and substations, have a negative impact on the Power Quality (PQ) in the medium voltage (MV) and the low voltage (LV) p ..."
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installations of the distribution network. Today, PQ-systems in the MV/LV-distribution grid are based either on improved traditional technology (e.g. switched capacitor banks) or on Power Electronics (PE) conversion technique (e.g. the Dynamic Voltage Restorer to mitigate voltage fluctuations). Those PQsystems

Fault Location in an Electrical Energy Distribution Infrastructure with a Wireless Sensor Network

by Edp Energias De Portugal
"... This paper presents a detailed analysis of the applicability of wireless systems in the localization of faults in the energy distribution network. The hardware and software architectures of the envisaged sensor solution will also be described and finally, the integration of this system into Smart Gr ..."
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and more reliable information about the disruptions in the power distribution network and their location. Furthermore, the wireless sensors allow remote detection of medium and low voltage (MV/LV) power transformer hotspots in order to identify emerging malfunction as well as detection of intrusion

INNOVATIVE NETWORK DESIGN & OPTIMIZATION USING SMART METERING DATA

by Frédéric Gorgette, Ni Ding, Guillaume Roupioz
"... ERDF develops the Low Voltage (LV) Distribution Networks by using statistical models of the LV consumers. Optimizing investments on the LV Distribution Network is all the more challenging that direct measurements are very limited. The development of LV and MV photovoltaics brings new challenges to L ..."
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ERDF develops the Low Voltage (LV) Distribution Networks by using statistical models of the LV consumers. Optimizing investments on the LV Distribution Network is all the more challenging that direct measurements are very limited. The development of LV and MV photovoltaics brings new challenges

U.S. Utility Macro Efficiency and Reliability

by Voltage Conservation Potential
"... In recent years, the utility industry has seen a major push toward enhanced monitoring, control, automation, and management of the medium-voltage (MV) and low-voltage (LV) grids, from the distribution substation to the meters, through the deployment of distribution automation (DA) solutions. These D ..."
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In recent years, the utility industry has seen a major push toward enhanced monitoring, control, automation, and management of the medium-voltage (MV) and low-voltage (LV) grids, from the distribution substation to the meters, through the deployment of distribution automation (DA) solutions

unknown title

by unknown authors
"... Abstract—This paper presents a new architecture of distribution substation allowing the reduction of global cost and size of substation. Moreover, safety and reliability are improved. The substation is designed as a global product (turnkey solution). The main innovations are the new types of medium ..."
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voltage (MV) and low voltage (LV) connections, and the transformer with integrated protection and switching. Index Terms—Distribution substation, underground network, ring network, indoor substation, outdoor substation, prefabricated substation, compactness, footprint, safety, remoteness. I.

A Wireless Sensors Suite for Smart Grid Applications

by António Grilo, Helena Sarmento, Mário Nunes, José Gonçalves, Paulo Pereira, Augusto Casaca, Carlos Fortunato
"... Abstract. This paper presents a demonstrator of a Wireless Sensor and Actua-tor Network (WSAN) for Smart Grid applications, developed in the context of project WSAN4CIP. This WSAN is formed by WSAN nodes equipped with sensors and a wireless radio interface, which monitor key parameters of power grid ..."
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grid equipments belonging to the Medium Voltage (MV) and Low Voltage (LV) segments. The measurements are reported to the SCADA system and con-stitute the basis of both safety and security services to improve the power grid distribution dependability. This paper describes the hardware of the sensor
Results 1 - 6 of 6