non-conventional sensors for future power grid - futuregrid

VTT TECHNICAL RESEARCH CENTRE OF FINLAND LTDCentre for Metrology MIKES

MIKES METROLOGY

Non-conventional sensors forfuture power grid -FutureGridHaarlem, The Netherlands19.4.2017Jari Hällström

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Participantsno. Participant Type Short Name Organisation legal full name Country

1 Funded JRP-Partner MIKES Mittatekniikan Keskus Finland

2 Funded JRP-Partner CMI Cesky Metrologicky Institut Brno Czech Republic

3 Funded JRP-Partner FFII Fundación para el Fomento de la Innovación Industrial Spain

4 Funded JRP-Partner LNE Laboratoire national de métrologie et d'essais France

5 Funded JRP-Partner METAS Eidgenössisches Institut für Metrologie METAS Switzerland

6 Funded JRP-Partner PTB Physikalisch-Technische Bundesanstalt Germany

7 Funded JRP-Partner SMU Slovenský Metrologický Ústav Slovakia

8 Funded JRP-Partner SP SP Sveriges Tekniska Forskningsinstitut AB Sweden

9 Funded JRP-Partner TUBITAK Turkiye Bilimsel ve Teknolojik Arastirma Kurumu Turkey

10 Funded JRP-Partner VSL VSL B.V. The Netherlands

no. Participant Type Short Name Organisation legal full name Country

11 Integral REG STRATUniversity of Strathclyde(Grzegorz Fusiek, John Nelson) United Kingdom

12 Integral REG TUDTechnische Universitaet Dresden(Peter Schegner, Christian Jäschke) Germany

13 Stage 3 REG CHALMERS Chalmers University of Technology(Pontus Johannisson)

Sweden

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Objective

§ This JRP will study the possibilities of novel non-conventionalsensor technologies. Many of these technologies are alreadyapplied and promise wider bandwidth and lighter weight, butthey are not yet of the required metrological accuracy.§ Some high-risk targets were included…

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Three workpackages

• WP1 will design, manufacture and characterise a nextgeneration precision current sensor based on the opticalFaraday effect.

• WP2 will study the technological limits of selected non-optical voltage and current sensor technologies.

• WP3 will develop methods for testing and calibration of non-conventional voltage and current sensors.

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Optical current sensors(WP1)

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Optical Faraday effect

V : Verdet constant

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Fiber-optic current transformerFOCS

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FOCS & Fiber FOCS

Collaborator’s (NIM, China) talk about their progressin the end of the session.

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Novel sensor technologies(WP2)

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Precision Rogowski coil

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Prototype of a 50 kV combined current andvoltage transducer

Specifications:

§ Working voltage up to 50 kV(modification up to 150 kV)§ Current range 1 A to 6000A§ Frequency range 40 Hz to

10 kHz

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In service measurement of power harmonics onMV or HV lines

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Interrogation of instrument transformers usingfiber Bragg gratings

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MV Class 0.2 sensor for PQ measurements

Specifications§ Tested for connection to MV

cubicle: 50 kV AC 125 kV LI§ Frequency response ± 0,2 %

up to 10 kHz.§ Thermal stabilty of the

resistors: 15 ppm/K.

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Calibration services(WP3)

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IEC 61850-9-2 Sampled Values

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New calibration services for non-conventionalcurrent and voltage sensors,with either analog and/or digital output

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