International Conference on Thyristor and Variable Static Equipment for AC and DC Transmission, 30 November - 3 December 1981 / organised by the Power Division of the Institution of Electrical Engineers ; in association with the Institute of Electrical and Electronics Engineers, Inc (United Kingdom and Republic of Ireland Section), with the support of the Convention of National Societies of Electrical Engineers of Western Europe (EUREL) Electric Power Research Institute (USA). (IEE conference publication ; no. 205)