Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1976-06-07
1978-05-09
Shoop, William M.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
307 91, 336 84C, 363 39, 363132, H02M 3335
Patent
active
040890490
ABSTRACT:
A transformer with an electrostatic shield body between its primary and secondary windings, one end of the shield body being connected to a zero potential point of the primary side from the AC standpoint. This reduces the capacity coupling between the primary and secondary windings. This transformer is particularly useful with an inverter.
The transformer may include primary and secondary windings, each having a pair of terminals, and a magnetic core provided in connection with the primary and secondary windings magnetically. First and second static shield bodies may be provided at each side of the primary and secondary windings and therebetween, and these first and second static shield bodies are electrically connected to one terminal of the primary and secondary windings, respectively, so as to reduce the capacitance therebetween.
REFERENCES:
patent: 792248 (1905-06-01), Campbell
patent: 1786412 (1930-12-01), Crisson
patent: 1837245 (1931-12-01), Wheeler
patent: 3286153 (1966-11-01), Inose
patent: 3465232 (1969-09-01), Weber
patent: 3582754 (1971-06-01), Hoffmann et al.
patent: 3840798 (1974-10-01), Burchall
Suzuki Tadao
Wachi Shigeaki
Yoshida Tadao
Shoop William M.
Sony Corporation
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