The next stage of naval electrical engineering system testing at the Power Networks Demonstration Centre

Jennett, K I (2017) The next stage of naval electrical engineering system testing at the Power Networks Demonstration Centre. In: Marine Electrical and Control Systems Safety Conference, 2017-11-22 - 2017-11-23, University of Strathclyde.

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    Abstract

    This paper gives an overview of the Power Hardware in the Loop (PHIL) system, that is now operational at the PNDC (a University of Strathclyde Research Centre), to extend the centres capability for marine electrical system testing. In this paper, the key components of the PHIL system and their corresponding interfaces are presented; representative case studies showing typical applications for the PHIL system at the PNDC are illustrated; and the next stage of future marine power system testing (flywheel energy storage) utilising the PHIL platform is discussed. The objective of this test bed is to: facilitate integration of engineering systems into marine power system platforms; support the development of future electric ships; to de-risk the integration of the next generation of energy weapons and sensors; and to supplement and replace the need for ship demonstrators. This facility development and associated project plan involves a productive mix of industry, academia, UK MoD and US DoD. The two key components of the PHIL test bed are: (1) A Real Time Digital Simulator (RTDS) system that is capable of simulating marine electrical systems in real time; and (2) A Triphase converter, a uniquely modular solution that can be re-configured for AC and DC output, used as the link between simulation and real hardware under test. The RTDS interface with the Triphase converter system employs fibre communication to issue control commands and receive measurement feedback. The hardware to be tested, connected to the Triphase, is interfaced directly to simulation in real time. In this paper it is demonstrated how a flywheel energy storage device could be directly connected to a simulated ship power system and operated in real time. This test setup would be used to evaluate the interaction between the ship power system and flywheel. This test bed can be reconfigured for long term research and development for a multitude of ship power system solutions. The ship power system is represented in simulation which means it can be modified to represent existing or planned ship architectures. This facilitates testing of hardware planned for retrofit in existing ship power systems; and it allows future ship powers systems to be simulated and interfaced with existing hardware. Both options support reduced cost and life cycle time to develop ship power systems.