Partners

20NRM03 DC Grids ​

Partners

This project has a consortium of five NMIs, three universities, one technological research institute and one major utility, with the dedicated expertise required for efficient and effective realisation of the project aims and objectives. The consortium partners have strong ties to utilities, standardisation bodies and legal metrology organisations. This will ensure effective take up of the guidelines and protocol texts resulting from the project in future revisions of their standards and guidelines. As an example of those strong ties, several of the partners have long-existing collaborations with distribution grid owners, which is essential for the planned measurement campaigns in DC trial grids. Furthermore, several partners have links with or are members of the relevant standardisation technical committees.

WP No Work Package Title Active Partners (WP leader in bold)
WP1
On-site measurements in LVDC grids
CIRCE, EDF, PTB, STRATH, SUN, TU E, VSL
WP2
Definition of DCPQ parameters and test waveforms for electricity meters
TU-E, CIRCE, EDF, INRIM, METAS, PTB, STRATH, SUN, VSL
WP3
Reference systems for DC energy meters and DCPQ
METAS, LNE, PTB, VSL
WP4
Equipment specifications and methodologies for surveys of “Compatibility level” and “Planning level” of DC Power Quality in LVDC grids
SUN, CIRCE, EDF, INRIM, LNE, TU E, VSL
WP5
Creating impact
LNE, all
WP6
Management and coordination
VSL, all

Read more about our partners

VSL is the national metrology institute of the Netherlands and maintains and develops a.o. the national standards for electricity, where it focuses on power and energy measurements. In the past decade, VSL has largely extended its capabilities in this area, among others in precision power measurements at 50 Hz, high-voltage and high-current equipment, transformer loss measurement systems, power quality testing and calibration, and static electricity meters under polluted grid conditions.

VSL will use its knowledge and technical capabilities in WP1 to develop a broadband DC voltage and current recorder for use in the on-site measurement campaigns and in WP3 to develop a reference system for DCPQ measurements and DC electricity meter testing. VSL has leading experience in this area gained via national metrology research, consultancy projects for national utilities and from JRPs 16ENG04 MyRailS, 17NRM02 MeterEMI and many others.

As coordinator, VSL has extensive experience in coordinating EMRP/EMPIR projects including PQ and grid-related JRPs 09ENG04 SmartGrid and 17NRM01TrafoLoss. They were the first chair of the European Metrology Network on Smart Electricity Grids.

INRIM boasts a consolidated activity in the metrology of AC and DC high voltage and high current quantities. In recent years, the research activity has focused on the development of a metrological framework underpinning the smart grid dissemination. In particular, the activity has been focused on the development of wideband non-conventional voltage transducers for reference and measurement purpose, on the development of facilities for the calibration of high voltage transducers for DC distorted power measurements applied in wireless power transfer and railway systems.

Projects: 1) 16ENG08 MICEV, 2). 16ENG04 MyRailS, 3). 17IND06 FUTUREGRID II, 4). European Metrology Network on Smart Grid EMN-SEG NET, 5) 19NRM05 IT4PQ.

INRIM will use its knowledge and technical capabilities to develop the analysis tools for evaluation of the on-site measurement data in WP2 and to further improve these in WP4

The Laboratoire National de Métrologie et d’Essais (LNE) operates as the national reference laboratory in metrology for French industry offering a full range of technical conformity services, from calibration and testing to technical assistance and training. One of its key missions is to establish the metrological traceability and to assess the uncertainty of analytical measurements, necessary to enhance the reliability of data. The laboratory produces reference test benches, in addition to developing new reference testing and analysis resources-methods across all fields that range over energy efficiency, environmental preservation, consumer protection, public health and safety. LNE pays close attention to regulatory and standardization issues.

Infrastructure includes a wide range of laboratories. Among them : 10 shielded laboratories, air conditioned (+/- 0,1 °C and 0,5°C), 3 clean rooms, a high voltage platform allowing to perform AC/DC Voltage measurements up to 250 kV, a high current platform allowing to perform AC/DC Current measurement up to 10 kA, a dedicated laboratory for Power / Energy measurements.

LNE has the ability to calibrate power meters or power calibrators in AC from 45 Hz to 65 Hz with uncertainty as low than 40 µW/W and has experience in modelling, characterization and development of impedance standards in the frequencies from DC up to megahertz, which will be useful for the WP1. Moreover, the LNE worked recently on the development of reference switching divider at high voltage level.

LNE has always participated in the European research. Some relevant projects are: i) EMPIR 17IND10 “LiBforSecUse” ii) EMPIR 16ENG04 “MyRailS” iii) EMPIR 15NRM02 “Ultra High Voltage”, iv) EMRP ENG61 “FutureGrid”, v) EMRP IND60 “EMC Industry”.

LNE will use its knowledge and technical capabilities in wide-band voltage and impedance measurements to in the development of the reference systems in WP3. Furthermore, LNE will lead the WP5 Creating Impact and will contribute to strengthen the links between the project and the normative committees.

The Federal Institute of Metrology METAS is the NMI of Switzerland, responsible for the realisation and dissemination of the SI units. The laboratory Electrical Energy and Power has participated in a number of national and European projects, both in the domain of R&D and technology transfer. In addition to its traditional activities of calibration and type testing of AC and DC energy meters and instrument transformers, it is active in the domain of power quality and phasor measurement units both for instrumentation and for instrument transformers. METAS is active in standardisation committees, namely IEC TC 13, TC 38, SC 77A and TC 85.

METAS will lead WP3, where it will develop a reference system for DCPQ measurements and DC electricity meter testing.

METAS will use its experience gained in previous projects, namely 19ENG WindEFCY, 18NRM05 SupraEMI, 17NRM02 MeterEMI, 17IND06 FutureGrid II and 16ENG04 MyRailS, as well as internal projects for traceable type-testing of electricity meters (DC and AC) and power quality analysers.

The Physikalisch-Technische Bundesanstalt is the national metrology institute of Germany with scientific and technical service tasks. Among others, PTB provides the national standards for power and energy measurements. In the field of legal metrology, PTB has performed, as a national and European certification body, type approvals and conformity assessments on all types of electricity meters (including DC meters), charging stations for electric vehicles, auxiliary devices and instruments transformers for many decades. PTB experts participate in national and international standardization work and regulation consulting groups like DKE K 461, DKE UK 767.1, WELMEC WG11, OIML TC12. The PTB department of Electrical Energy Measuring Techniques has actively participated in several former and ongoing iMERA+, EMRP and EMPIR JRPs: “Metrology for electrical power industry”, “Next Generation of Power and Energy Measurements”, “Non-conventional voltage and current sensors for future power grids”, “Metrology for Smart Electrical Grids”, “Metrology for High Voltage Direct Current”, “Metrology for the next-generation substation instrumentation”, “Metrology for the next-generation substation instrumentation”.

PTB will focus its main participation on WP1, WP2 and WP3, where its previous expertise in characterization of DC meters will be properly used. In WP1, PTB will participate in selecting and validating an on-site measurement equipment for recording disturbances in DC circuits. PTB will also focus in this WP on DC charging stations for electric vehicles to determine the disturbances the built-in DC meter is exposed to. This includes first measurements of real DC charging stations in operation. The results of these measurements are analysed in WP2 to define test waveforms for DC electricity meters. These test waveforms are used in WP3 for calibration of the on-site measurement equipment developed in WP1 and for testing commercial DC electricity meters. For these measurements an upgrade of the measurement equipment at the PTB will be installed to have the ability to perform tests including the test waveforms from WP2.

CIRCE (Centre of Research for Energy Resources and Consumption) was established in 1993 as an independent Research Centre to create and develop innovative solutions and scientific/technical knowledge and to transfer them to the business sector, particularly in the field of energy. Since its inception, CIRCE has conducted more than 2,500 R&D&I projects at national and international level and has trained more than 1,850 professionals from 47 countries within the postgraduate courses CIRCE delivers. Currently CIRCE is involved in 23 FP7 projects, being the coordinator of 6 of them and 69 H2020 projects, being coordinator of 22.

CIRCE’s previous and on-going activities related to the scope of this project include relevant contributions to Energy EURAMET JRP Project T4 J01 “The next generation of power and energy measurements”, Energy EURAMET JRP Project “Metrology for Smart Grids”, Energy EURAMET JRP ENG63 “Sensor network metrology for the determination of electrical grid characteristics”, EMPIR Project MICEV “Metrology for inductive charging of electric vehicles” and project “Metrology Excellence Academic Network for Smart Grids – MEAN4SG”, funded under the MSCA-ITN call of H2020 programme.

CIRCE’s experts participate in several international standardization committees, both at national and international level, such as the Spanish AEN, CTN208/SC77-210, Electromagnetic compatibility; IEC SC77A WG1, Harmonics and other low-frequency disturbances; IEC SC77A WG2, Voltage fluctuations and other low-frequency disturbances; or IEC SC77A WG9, Power quality measurement methods.

CIRCE will lead WP1 enabling the on-site measurements in LVDC grids through definitions, development of the measurement equipment and proceeding with the measurement campaigns. At WP2 CIRCE will contribute with the definition and development of analysis tools as well as at the data analysis and PQ parameters definitions; and at WP4, WP5 and WP6 CIRCE will participate on the definition of equipment specifications, dissemination and management of the project.

The EES (Electrical Energy Systems) group of TU/e focuses on methodologies for the design and operation of future electricity supply systems including the new types of generation and loads. One of the researched sub-fields within the system operation is Power Quality (PQ) – aiming at the network reliability and quality of the supply in terms of disturbances. The research includes mathematical modelling of network-user interaction and the propagation of PQ disturbances, metrological aspects and standardization of PQ. The work is conducted by using computer simulations as well as laboratory experiments (SmartGrid laboratory of the TU/e) and field measurements in cooperation with the local network operators.

The role of TU/e within this project is in WP2 and WP4 (WP2 as WP leader). In WP2, the focus will be on the development of tools necessary for the analysis of in-site measurements in distribution networks, as well as bringing the results of the project as inputs for the relevant international standardisation working groups. Within WP1, the contribution is the execution of on-site measurements in the pilot LV DC network of Alliander at the Lelystad Airport industrial zone, and analysing the measurement results.

SUN is the university of Campania “Luigi Vanvitelli”, formerly Second University of Naples. The researchers of measurement group of University of Campania have a strong background in AC Power Quality Phenomena and they have designed and implemented on-site measurement systems for Power, Energy and Power Quality in DC systems. In the past decade, SUN extended its capabilities in the area of power systems measurements for both AC and DC.

SUN will use its knowledge and technical capabilities in WP1 for the initial definition of PQ parameters for LVDC Grids and in WP2 for the analysis of the on-site measurement data. The main contribution is in WP4, of which SUN is WP leader, the expertise of this partner will be used for the definition of Power quality severity indexes and compatibility levels for the equipment and the methodologies for on-site compliance measurements of PQ compatibility levels.

The University of Strathclyde’s Department of Electronic and Electrical Engineering is globally renowned as a leading academic centre for research excellence, industry engagement and first-class teaching and training and is ranked No. 1 in Scotland for electronic & electrical engineering research and 4th in the UK. The University hosts the Power Networks Demonstration Centre (PNDC), the UK’s leading power distribution network research centre. PNDC is a smart grid innovation acceleration centre for the purpose of shaping and optimising future smart electricity networks. PNDC’s ‘real life’ platform permits innovative AC and DC distribution smart grid solutions to be researched, developed and demonstrated. STRATH will engage in WP1 through the PNDC to enable hardware-in-the-loop PQ scenarios and signals to be emulated, validated and extended for practical PQ meter measurement. STRATH will also contribute to WP2 to develop robust and efficient PQ algorithms for DC smart grids. Previous University engagement in the EMPIR ENG04 MyRails project will provide valuable experience in PQ metric formulation and development for DC smart grids.

STRATH will engage in WP1 through the PNDC to enable hardware-in-the-loop PQ scenarios and signals to be emulated, validated and extended for practical PQ meter measurement. STRATH will also contribute to WP2 to develop robust and efficient PQ algorithms for DC smart grids. Previous University engagement in the EMPIRE MyRails project will provide valuable experience in PQ metric formulation and development for DC smart grids. STRATH has provided some input into EIC TCs SC77A/TC85 on PQ Measurements.

The EDF Group is the world’s leading electricity company, present in 22 countries and particularly well established in the European Union. Its activities cover the entire electricity business chain including generation, networks, sales & marketing, trading and energy services. Its R&D division has an extensive experience in collaborative research projects gained through joint laboratories and research centres worldwide. EDF Concept Grid laboratory is dedicated to test and validate smart grid equipment, systems and functions to study and support the integration of DER in the electric system. It allows to conduct complex testing campaigns that would be impossible to perform on a real system. EDF R&D also owns a laboratory focused on Power Quality in which a large panel of disturbances can be generated and the tested device response can be monitored to assess compatibility, reliability and interactions between equipment in the 0-150kHz range.

In the context of SRT01, EDF will help define the DCPQ parameters and consolidate them in WP1 and WP2 regarding the feedback from ongoing work in IEC TCs, the tests carried out within the project and its own lab facilities. In WP4, EDF will contribute to define methodologies to ensure a compatibility between equipment. EDF will provide regular feedback from IEC TC8, TC13, SC77A and SyC LVDC TC and push the recommendations proposed by the consortium in WP5.