Manzanita Micro
Kingston, WA

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Manzanita Micro Chargers PDF Print E-mail
Wednesday, 12 August 2009 09:27
The PFC series of chargers are designed to be as versatile and as powerful as possible within the limits of residential power infrastructure. Three models are available: The PFC20 that is designed to operate from a 20 amp 240 volt outlet, the PFC30 that is designed to operate from a 30 amp 240 volt dryer outlet, and the PFC50 that is designed to operate from a 50 amp 240 volt range outlet. They will operate at half power (same line current) from a 120 VAC source.

Extremely versatile input and output voltages

These chargers will operate on any voltage from 60 volts to 240 volts AC at either 50 or 60 Hz. Current is limited to ~20 amps input or output for the PFC20, ~30 amps input or output for the PFC30 and ~50 amps input or output for the PFC50. There are no switches to adjust to change the input voltage. The charger automatically uses whatever voltage is provided.

The charger output can be adjusted for any charging voltage from 12 volts to 450 volts with the twist of a 20 turn trimmer pot. There is no need to buy different chargers for the different electric vehicles you may need to charge. The charger can be reprogrammed to another pack voltage if you change the number of batteries in your system. There is no longer a need to buy another charger every time you add or take batteries out of your system.

The actual power delivered is a function of input and output voltage. Refer to the performance charts for the various products to see how much power to expect in your application.

Extremely powerful for an onboard charger

The essential ingredient for fast recharge times is to deliver high power to the battery. The key to polite opportunity charging is to be able to share outlets with other equipment and make efficient use of limited current. The PFC line of chargers have a throttle to allow the chargers to be turned down to operate on very limited power sources such as small generators. The PFC20 has demonstrated putting 2200 watts into a 156 volt battery pack from a 2400 watt generator. Efficiency and power factor are both better than 0.9.
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