英国工程技术协会
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作者:J. Vaheeshan , M. Barnes , R. Shuttleworth
来源:[C].11th IET International Conference on AC and DC Power Transmission2015IET
摘要:When an HVDC system is subjected to AC side short circuit faults, the transformer core might be driven to saturation at fault recovery due to flux offset. The saturation will therefore cause the flow of inrush currents. In this paper, dynamic models of a MMC based VSC-HVDC system...
作者:... M. Barnes , R. Shuttleworth , A. Beddard
来源:[C].11th IET International Conference on AC and DC Power Transmission2015IET
摘要:Circuit breakers for High Voltage Direct Current (HVDC) are seen as a required technological step in the development of HVDC grids. The development of several new HVDC circuit breaker prototypes indicate that this step may be achieved in the years to come. In order to facilitate ...
作者:... O. Cwikowski , M. Barnes , R. Shuttleworth
来源:[C].11th IET International Conference on AC and DC Power Transmission2015IET
摘要:Voltage-Sourced Converter (VSC) HVDC is attracting significant attention as the UK tries to meet its renewable energy targets. However, compared with the traditional Current-Sourced Converter (CSC) HVDC, VSC-HVDC is more vulnerable to DC faults due to the lower DC side impedances...
作者:Ding Wang , R. Shuttleworth
来源:[C].6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)2012IET
摘要:In this paper the design, build and preliminary test of a linear alternator for a reciprocating engine used in a heat energy recovery system, and the simulation of a power electronic unit to inject the recovered energy into the mains supply are described. The alternator is suitab...
作者:... O. Cwikowski , M. Barnes , R. Shuttleworth
来源:[C].7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)2014IET
摘要:Voltage Source Converter (VSC) HVDC transmission is receiving significant attention as the UK is trying to meet its renewable energy targets. However, VSC-HVDC is more vulnerable to DC faults compared to more traditional CSCHVDC transmission techniques, due to the low DC side imp...
作者:B. Savage , R. Shuttleworth , N. Schofield
来源:[C].7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)2014IET
摘要:Over the next five years, there will be a substantial increase in the number of all-electric (EVs) and hybrid electric vehicles (HEVs). These vehicles will be utilizing onboard electrochemical energy storage devices (batteries) that require full or part recharging by connection t...
作者:R. Shuttleworth , A.J. Power ...
来源:[C].14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium)1997IET
摘要:On-load tap-changing power transformers are an essential part of any modern power system, since they allow voltages to be maintained at desired levels despite load changes. This paper describes a new thyristor-assisted tap changing scheme which has selector and divertor units, as...
作者:S.I. Vickers , B.A.T. Al Zahawi , R. Shuttleworth
来源:[C].6th International Conference on Power Electronics and Variable Speed Drives1996IET
摘要:A new real-time control strategy for a matrix converter is presented. This has been optimised for use with high speed generators in directly driven gas turbine CHP units. The strategy is based on a microcontroller system with all calculations performed without the need for extern...
作者:R. Shuttleworth , B.A.T. Al Zahawi
来源:[C].Eighth International Conference on Electrical Machines and Drives1997IET
摘要:This paper describes the design, control and testing of a new magnetic actuator based operating mechanism which combines the advantages of conventional solenoid driving and PM latching. The new design has been successfully developed for a 320 A, 1.5 kV vacuum switch (DVS10CB type...
作者:D.R. Nuttall , R. Shuttleworth , G. Routledge
来源:[C].4th IET International Conference on Power Electronics, Machines and Drives (PEMD 2008)2008IET
摘要:LED technology has rapidly developed in recent years to the point that LEDs can be seriously considered for replacing conventional halogen and incandescent lamps in general illumination, e.g. street lighting. Before wide spread adoption of this technology can be embraced, there a...

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