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US 11,660,697 B2Granted
Balanced plate rectifiers and welding-type power supplies including balanced plate rectifiers
AssigneeIllinois Tool Works Inc.
InventorsAdam E. Anders, Brian Schwartz, Paul William Garvey
Life of this patent
Estimating the term…
Abstract
A welding-type power supply including a balanced plate rectifier to rectify high frequency alternating current from one or more transformers. The balanced plate rectifier includes an output terminal symmetrically connected to the plates of the plate rectifiers. The impedance between the output terminal and each plate is substantially equal.
Claims20
A welding-type power supply comprising:
- power conversion circuitry configured to convert input power to welding-type power, the power conversion circuitry comprising:
- a first transformer configured to output first alternating current (AC) power;
- a second transformer configured to output second alternating current (AC) power;
- and
- a rectifier configured to convert the first AC power and the second AC power to direct current (DC) output power, the rectifier comprising:
- a first plate rectifier connected to a first output lead of the first transformer and a second output lead of the first transformer;
- a second plate rectifier connected to the first output lead and the second output lead;
- a third plate rectifier connected to a third output lead of the second transformer and a fourth output lead of the second transformer;
- a fourth plate rectifier connected to the third output lead of the second transformer and the fourth output lead of the second transformer;
- and
- a first output terminal symmetrically connected to the first plate rectifier, the second plate rectifier, the third plate rectifier, and the fourth plate rectifier.
8 more elements
A welding-type power supply comprising:
- power conversion circuitry configured to convert input power to welding-type power, the power conversion circuitry comprising:
- a first transformer having a first output lead and a second output lead, the first transformer configured to output first alternating current (AC) power;
- a second transformer having a third output lead and a fourth output lead, the second transformer configured to output second alternating current (AC) power;
- and
- a rectifier configured to convert the first AC power and the second AC power to direct current (DC) output power, the rectifier comprising:
- a first plate rectifier connected to the second output lead of the first transformer and the fourth output lead of the second transformer;
- a second plate rectifier connected to the second output lead of the first transformer and the fourth output lead of the second transformer;
- a third plate rectifier connected to the first output lead of the first transformer and the third output lead of the second transformer;
- a fourth plate rectifier connected to the first output lead of the first transformer and the third output lead of the second transformer;
- and
- a first output terminal symmetrically connected to the first plate rectifier, the second plate rectifier, the third plate rectifier, and the fourth plate rectifier.
8 more elements
A welding-type power supply comprising:
- power conversion circuitry configured to convert input power to welding-type power, the power conversion circuitry comprising:
- a first transformer configured to output first alternating current (AC) power;
- and
- a rectifier configured to convert the first AC power to direct current (DC) output power, the rectifier comprising:
- a first plate rectifier connected to a first output lead of the first transformer;
- a second plate rectifier connected to the first output lead;
- a third plate rectifier connected to a second output lead;
- a fourth plate rectifier connected to the second output lead;
- and
- a first output terminal symmetrically connected to the first plate rectifier, the second plate rectifier, the third plate rectifier, and the fourth plate rectifier.
7 more elements
Dependencies are inferred from the claim text.