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Schmid, Joachim

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Schmid, Joachim

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Existing instrument transformer technologies as well as new measuring principles for current and voltage measurement are described in this book. The properties of conventional current and voltage transformer as well as the dimensioning are discussed in details out of the long experience of the authors. Especially the dielectric dimensioning and the used materials are discussed. Beside this an overview over new modern measuring principles is given and the technology of low-power instrument transformer, and RC-dividers are shown. The content Transformer insulation Oil-Paper Silicone gel and casting resin Implementation technology in instrument transformers Current measurement conventional, inductive Small signal converter Optical current measurement Voltage measurement conventional, inductive and capacitive R and RC divider technology Quality assurance The Target groups Energy supply company Instrument Transformer Manufacturer Enginnering for the planning of high voltage systems The Authors Dr.-Ing. Ruthard Minkner has a long experience in high voltage systems and in stability problems of non-linear systems. With his contribution to the IEC standardization he has influences the technology of instrument transformers worldwide. Dr.-Ing. Joachim Schmid was head of development for conventional instrument transformer in oil-paper technology. Additionally he has pushed the technologies of low-power current transformer, optical current transformer and RC-dividers.

Measuring methods in physics --- Solid state physics --- Electronics --- Electrical engineering --- Chemical technology --- meetmethoden --- vaste stof --- materie (fysica) --- automatisering --- meettechniek --- elektronica --- vermogenselektronica --- automatische regeltechniek