Up-and-down chopper circuit

Patent · Tue Jul 10 00:00:00 EDT 1979

OSTI ID:5376924

Goffeau, J R

An improved up-and-down chopper circuit is provided which is useful for voltage regulation in a bidirectional dc power system. In the down mode, power is switched from a dc power source to a lower voltage energy storing load while in the up mode stored energy in the load is transferred to the higher voltage source. The system uses Darlington transistor switches in a conventional connection. The improvement relates to circuit additions to eliminate the effects of inter-electrode capacitance inherent with this Darlington transistor switching arrangement. 3 claims.

• Assignee: Dept. of Energy
• Patent Number(s): US 4161023
• OSTI ID: 5376924
• Resource Relation: Patent File Date: Filed date 7 Sep 1977; Other Information: PAT-APPL-831-302
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
VOLTAGE REGULATORS
DESIGN
DIRECT CURRENT
ELECTRIC CURRENTS
ELECTRONIC CIRCUITS
TRANSISTORS
CURRENTS
SEMICONDUCTOR DEVICES
420800* - Engineering- Electronic Circuits & Devices- (-1989)