(Relating to a way of using magnetic fields to move arc roots in vacuum interrupters to avoid problems of gross melting when switching currents over about 10,000 amp)
(Relating to arrangement of an additional floating electrode to limit the range of excursion of arc roots in vacuum interrupters switching high currents)
John Chubb,
Infostatic, 2 Monica Drive,
Pittville, CHELTENHAM, GL50 4NQ, UK.
Tel:+44 (0)1242 573454
email: jchubb@infostatic.co.uk