Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1980-12-29
1982-06-08
Shoop, William M.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
361130, H02H 700
Patent
active
043342647
ABSTRACT:
A high voltage direct current transmission apparatus having a DC carrying line (L1, K, L2) and including voltage-limiting members (A1, A2) which are arranged so that the limiting level is higher for a line voltage (u.sub.D) of one polarity than for a line voltage of an opposite polarity, and so that for both polarities the limiting level is other than zero.
REFERENCES:
patent: 2730667 (1956-01-01), Uhlmann
patent: 2763818 (1956-09-01), Beck et al.
patent: 3628124 (1971-12-01), Johansson
ASEA Aktiebolag
Shoop William M.
Wong Peter S.
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