Engenharia e tecnologia

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Energia e Automação

Why is LEM’s Rogowski Coil better than a Transformer?

  Distribution Overhead Line Monitoring with LEM’s ART Rogowski coil New line current sensors allow utilities to monitor their overhead distribution lines to maximize their capacity and prevent clearance violations thus improving reliability and efficiency of the MV Distribution Grid.

Energia e Automação

Why do current transducers go digital?

LEM pioneers current sensing and develops digital output transducers with a sigma-delta bit stream interface (Subtitle) By: Pascal Maeder (Global Product Manager, Drives/Welding) Sources: David Jobling (ASIC Development Group Manager) Stéphane Rollier (Product & Marcom Manager) Mathieu Béguin (Marketing Engineer)

Energia e Automação

MAKING SINGLE-PHASE SOLAR INVERTERS SMALLER, CHEAPER & SAFER

ABSTRACT :   New technologies allow photo-voltaic (PV) inverters to switch at ever higher frequencies and consequently they are becoming much smaller and lighter. International competition and the move away from subsidies for new installations mean that there is strong

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