Methods and apparatus for balancing current across parallel loads
US9829905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2016 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Jul 20, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system for balancing current in a circuit is provided. Embodiments of the system include: a plurality of parallel load paths of the circuit, each of the plurality of parallel load paths comprising a single load or a plurality of loads connected in series; a current source electrically connected to the circuit, the current source configured to provide a constant current to the plurality of parallel load paths, the current comprising the constant current; a plurality of bipolar transistors, each of the plurality of bipolar transistors electrically connected in series to one of the plurality of parallel load paths, and each of the plurality of bipolar transistors comprising a base, an emitter, and a collector; a plurality of emitter resistors, each of the plurality of emitter resistors electrically connected to a respective emitter of an associated one of the plurality of bipolar transistors; a plurality of base resistors, each of the plurality of base resistors electrically connected to a respective one of the plurality of bipolar transistors to create a connection, wherein the connection electrically connects a base and a collector of one of the plurality of bipolar transistors; a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.