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SINTEF studies electric power components that contribute to a robust energy supply

SINTEF carries out research for Norwegian and international electrotechnical industries, energy suppliers and maritime businesses. We offer our customers international expertise with advanced laboratories and measuring equipment.

Expertise

Electrical insulation systems and electrical insulation materials

High reliability of the electrical insulation system is of key importance to any high voltage apparatus. The effect of many parameters/mechanisms needs to be carefully assessed when designing electrical insulation systems. In particular the effect of humidity, temperature, pollution/contaminants, mechanical and electrical stress, and external pressure need to be assessed in order to assure high reliability of the insulation system.

Research Scientist
971 12 257
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Microgrids

A self-sustaining and secure energy system is one of the main pillars of future society. The energy system (generation, transmission, demand) will become more decentralised with production taking place closer to customers and involving technologies such as solar panels, fuel cells, micro-turbines, storage and combined heat and power systems.

Research Scientist
930 06 526
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Power Electronics

The conversion of electric power by means of power electronics (converters) is playing an increasingly important role in various parts of the power system. Examples include the integration of renewable power plants, high-voltage direct current (HVDC) transmission and electrification of the oil and gas sector.

Senior Research Scientist
930 03 738
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Power electronics for subsea applications

Deep-water subsea oil production installations require complex electrical power systems. There is currently a need for local supply systems close to wellheads serving equipment such as gas boosters, oil pumps and separators. In the future we anticipate the development of supply systems for long step-outs where high voltage DC represents a viable solution.

Senior Research Scientist
930 03 738
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Status inspection of power lines

Power lines represent approx. half of the new value investment within the power distribution grid. In high voltage distribution grids and master grids, power line failures represent by far the major cause of losses and costs. The challenge for the power distributor is to adopt methods which are able at an early stage to identify potential threats in the form of reduced capacity and lifetimes, and to exploit the opportunities for timely initiatives, investments and knowledge application.

Research Scientist
930 80 154
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Subsea - Offshore Power Supply

The costs for repair and maintenance of high voltage equipment installed in deep waters can be very high. Therefore, high operating reliability is crucial for the components placed at the seabed. At high hydrostatic pressures, water ingress is the most challenging for the electrical insulations systems and materials used in power supply components. Due to environmental issues the equipment positioned at remote distances from land must be supplied by using subsea power cables. In many cases this calls for developments of new technologies, such as pressure compensated high voltage components.

Senior Research Scientist
971 26 790
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Switchgear Technology and Short Circuit Testing

Switchgear development requires experimental test programs, together with theoretical evaluations. SINTEF has access to NTNU's medium voltage, directly powered switchgear laboratory, and primarily addresses issues related to load current interruption. We combine our experimental research with use of simulation tools within fluid dynamics, electrostatic field theory, black box arc modelling and circuit analysis.

Research Scientist
450 10 212
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Transformers

A power transformer is a complex apparatus with windings, core, tap-changer, bushings etc., designed and manufactured for many years of operation in a power system. SINTEF has know-how and runs projects in the transformer technology field; spanning from development and testing of materials for manufacturers, ageing performance, condition monitoring and life estimation, to analysis of interaction between power systems and transformers. A big challenge for the utilities is asset management of ageing transformer fleets.

Chief Scientist
930 07 018
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