Battery charging systems for road vehicles
A description is given of a battery charging system for a road vehicle comprising an alternator, a rectifier connecting the alternator to a main battery for charging thereof by the alternator, a voltage regulator connected to the alternator and operating to control the output voltage of the alternator, and a d.c. to d.c. converter connecting the main battery to an auxiliary battery which is in series with the main battery, the d.c. to d.c. converter including a pair of semi-conductor switching elements, an auto-transformer having a pair of main windings, each connected at one end to one terminal of the main battery and connected at its other end through a respective one of said semi-conductor switching elements to the other terminal of the main battery, said switching elements forming part of an oscillator so that the switching elements are turned on alternately, a diode, and at least one further winding connected in series with said diode between said other end of one of the main windings and a terminal of the auxiliary battery.
- Assignee:
- Lucas Industries Ltd UK
- Patent Number(s):
- US 4210856
- OSTI ID:
- 5032631
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
250901 -- Energy Storage-- Batteries-- Design & Development
33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
ALTERNATORS
BATTERY CHARGERS
DC TO DC CONVERTERS
DESIGN
ELECTRIC BATTERIES
ELECTRIC GENERATORS
ELECTRIC-POWERED VEHICLES
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
ENERGY STORAGE SYSTEMS
EQUIPMENT
OSCILLATORS
TRANSFORMERS
TRANSISTOR OSCILLATORS
VEHICLES
WINDING MACHINES