(19)
(11) EP 0 076 599 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.05.1984 Bulletin 1984/20

(43) Date of publication A2:
13.04.1983 Bulletin 1983/15

(21) Application number: 82305003

(22) Date of filing: 22.09.1982
(84) Designated Contracting States:
BE FR GB IT NL SE

(30) Priority: 01.10.1981 DE 3139066

(71) Applicant: Johnson Service Company
 ()

(72) Inventor:
  • Schmidt, Joerg
     ()

   


(54) Power unit


(57) The power unit supplies two output voltages +UA, -UA having opposite polarities and a common zero potential (0). To ensure symmetrical loading on the common neutral conductor, a current balancing circuit is provided in the power unit between the rectifiers (D1, D2) and the longitudinal regulators (IC1, IC2).







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