Smart transformers - keep an eye on everything with residual current monitoring

Doepke

Smart transformers - keep an eye on everything with residual current monitoring

Published: 26 May 2021 · Category: Product Catalogues & Brochures

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Doepke Smart transformers – keep an eye on everything with residual current monitoring RCM Doepke We make it possible to use electricity with confidence. — the essence of our brand Doepke Agenda 1 _____ 5 questions 2 _____ What is an RCM? 3 _____ Regulations & Standards 4 _____ Protection objectives and protection class 5 _____ Introduction to Doepke RCM 6 _____ Quick commissioning of the DCTR sensor with the DCTR manager Doepke Is there current in the protective conductor? —Yes —No —Don’t know Doepke Where is the current in the protective conductor coming from? —Electronic consumers —Insulation fault —EMC —Filter —Leakage currents —... Doepke Asynchronous motor and frequency converters 150 Hz–1 kHz 1 KHz–20 kHz > 10 kHz Range II Frequency range I Frequency range III Current/mA 10000 1000 100 0.1 1 10 100 1000 Frequency/Hz 10000 100000 200000 Doepke What is the value of the PE conductor current? —Don’t know —300 mA —> 500 mA —Even more?  Doepke Practical examples 4.31 A 6.36 A Doepke Practical examples 3.08 A 20.04 A 17.55 A Doepke Practical examples 0.50 A 1.73 A 2.29 A Doepke Is it useful to know how much current is in the protective conductor? Why? —Yes —Fire protection —Preventative maintenance —Testing —Equipment protection— Safety Doepke DCTR Smart transformers – keep an eye on everything with residual current monitoring Doepke What is an RCM? — It's not an RCD — Explanation of terms — Applications and areas of use Doepke What is an RCM? RCM Residual Current Monitor...