High-voltage generator with shielded measuring resistors

Details High-voltage generator with shielded measuring resistors High-voltage generator with shielded measuring resistors

1996-09-30

1998-10-06

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

With voltage multiplication means

363 68, H02M 710

Patent

active

058187065

ABSTRACT:
A high-voltage generator, includes a rectifier circuit (9) and a measuring resistor arrangement (8) for forming a measuring voltage (U.sub.M) which is proportional to the direct voltage (U.sub.DC), the measuring resistor arrangement (8) comprising at least one associated measuring resistor (R.sub.1, R.sub.2, R.sub.3) for each rectifier stage (31, 32, 33). In order to achieve a cost-saving and notably space-saving construction with adequate shielding of the measuring resistors (R.sub.1, R.sub.2, R.sub.3) from parts of the circuit (C.sub.4 . . . C.sub.9, 1, 2, 3) carrying the alternating voltage and from ground potential, the measuring resistors (R.sub.1, R.sub.2, R.sub.3) are integrated in the associated rectifier stages (31, 32, 33) and enclosed by a shield (11, 12, 13) which carries the direct voltage potential of the associated rectifier stage (31, 32, 33).

REFERENCES:
patent: 4660138 (1987-04-01), Takamura et al.
patent: 4999760 (1991-03-01), Tietema
patent: 5008913 (1991-04-01), Negle
patent: 5703770 (1997-12-01), Burtin et al.

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