Closed-Loop Hall Sensors with Near Fluxgate Performance for Residual Current Measurement in Photovoltaic Systems
Conference: PCIM Europe 2018 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
06/05/2018 - 06/07/2018 at Nürnberg, Deutschland
Proceedings: PCIM Europe 2018
Pages: 8Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Trombert, Stephan (LEM Switzerland, Switzerland)
Closed-loop fluxgate sensors are widely used to measure small residual currents flowing in large and noisy common mode currents. Their accuracy and ability to provide high galvanic isolation make them the “preferred choice” for residual current measurement (RCM), but with the penalty of a costly and physically large design. This paper describes an innovative, reduced foot print, closed-loop sensor for residual current measurement in photovoltaic (PV) systems based on Hall technology: the new LDSR.