Switchmode halogen transformer question

[George]

I've got an electric forkhoist and want to make an internal charger for it (controlled by a PIC of course) Was thinking about strapping a heap of those cheap halogen transformers together - my question is tho, can they be put together - I've hooked normal switchmode supplies in parallel and series before but never these cheap transformers and not sure if it's possible.

The battery is 36V, so I figure the transformers r 11.5V each will need 4 in series to make 46V to charge it. And then if I parallel two sets, should get 36A out of 8 200VA transformers.

Then the idea is to PWM the output to change between charge, equalize and trickle at the end.

Would love to hear any thoughts on the idea, cheers

[Luciano]

Hi,

What is the price for new batteries if something goes wrong?

Why not something like that:
http://www.battery-chargers.com/catalog/25.pdf

USD 279.00
http://www.batterystuff.com/battery-chargers/36-volt/multi-volt-input/

Ask the manufacturer if it can be permanently installed on a vehicle.
From the picture it is not protected against rain. The charger must be
built to sustain vibrations.

* * *

DANGER! If the charger is permanently installed on the vehicle
there is danger of electrocution when you touch the vehicle.

* * *

DANGER! RISK OF BATTERY EXPLOSION FROM HYDROGEN GAS.
MAY RESULT IN BLINDNESS, SERIOUS INJURY, PERMANENT
DISFIGUREMENT AND SCARRING.


Best regards,

Luciano

[mister_e]

DANGER! If the charger is permanently installed on the vehicle
there is danger of electrocution when you touch the vehicle.

Bah... it's a nice anti theft system :D