Abstract
The paper is focused on solution suitable for revenue (tariff or billing) metering applications in Medium voltage systems which is represented by Revenue energy meter and Low-power Passive Instrument Transformers (LPITs) based on Rogowski coil and Voltage divider principles according to IEC 61869-10 and IEC 61869-11 standards. The paper is dealing with development of Revenue energy meter for LPITs, standardization requirements for Revenue energy meter and LPITs in tariff metering applications, legislative view on legal metrology by the Czech Metrology Institute including an introduction of the national type approval process in the Czech Republic and the European Union conformity assessment process according to Measuring Instruments Directive (MID) for Energy meters with LPITs, and test results from Metrological testing of Revenue energy meter with LPITs performed by the Czech Metrology Institute.
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