Joe Smalley wrote:
>
> It sounds like a good plan. That is how I got started designing chargers. I
> looked at what was available and used the best and discarded the rest.
>
> I would love to buy a new PFC-20 also.
> I have Beta #1.
>
> The new ones have:
> -an improved buck/boost mode switch that makes significantly less noise,
> -better thermal management to have a longer hang time in hot ambients,
> -a variable speed fan that ramps up instead of a digital hi/low switch,
> -the buck enhancer option to put out 50% more power at low pack voltages,
> -a double pole breaker to turn off BOTH lines coming into the charger,
> -an improved EMI filter on the input.
> -the controls on the end instead of on the top.
> -mounting flanges (mine has none),
> -better power factor at low pack voltage,
> -higher temperature rated inductor hold downs,
> -improved overcurrent protection for the power transistors.
> -more efficient rectifier bridge
> -larger power traces on the circuit board,
> -better Regbus implementation,
> -better timer options (includes zero time),
> -better LED indicators,
> -remote control port.
>
> I should not complain too much, this unit will put out 6 kW off 240 VAC into
> a 360 volt pack. That does not help me charge my 48 volt car.
>
> Using the buck enhanced PFC-50 at Woodburn was a real kick. It put 72 amps
> into my car from a 20 amp 240 VAC feed. Bulk charge lasted only 6 minutes
> and it tapered down to 2 amps in about 15 minutes.
>
> Joe Smalley
> Rural Kitsap County WA
> Fiesta 48 volts
> NEDRA 48 volt street conversion record holder
> [EMAIL PROTECTED]
>
Umm Nice Add copy Joe.
Wanna put this on the WeBiste????
Along with the number of hours it took to get these line items from our
thick heads and into the White board Current Rev PCB???
It's been a busy year. It ain't over yet either.
--
Rich Rudman
Manzanita Micro
www.manzanitamicro.com
1-360-297-7383,Cell 1-360-620-6266
