[VAC] Re: 42 Volt systems

[Dr. Gerald N. Johnson, electrical engineer]

42 volts is just three times the present 14 volts charging voltage of 6
cells lead acid. So can work with three of today's standard batteries.
With electric brakes, electric power steering, and electric air
conditioning coming to improve vehicle efficiency it takes more than 28
volts to supply the planned loads with workable wire sizes and practical
control transistor and switch sizes. There's been a lot of discussion
about the voltage in the automotive electronics industry.

A modern switching 42 to 14 volt supply is lighter and more efficient
that the wires required to supply the loads at 14 volts.

Gerald J.



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