Conversion Process - Electrical - Heater/demister solution......
A functioning Heater/Demister is required by most motor registration authorities
The original heater unit circulates hot water from the internal combustion engine...
This is obviously not available in an Electric Vehicle
These units are simple clipped together.....
(Note the fan assembly)
The original heater core....
Close-up of the heater core
My aim is to replace the original core with a PTC (Positive Temperature Coefficient) Ceramic unit
Positive Temperature Coefficient means the resistance increases (current drops) as the unit gets hotter
Only problem is finding a unit that will operate on 72 Volts! But I'm hopeful....
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Update 28/10/2208: Jesse at EVSoucre.com has come to the party and they are now marketing a 36 to 96 volt PTC Ceramic 1500 Watt Heater - Thanks Guys! Details at http://www.evsource.com/tls_heaters.php A very safe heating solution |
(The 220 volt assemblies I have bench tested are vary non linear and require over 100 volts to start heating and require over 180 volts to function at the wattages specified.
What is a PTC Ceramic Heater and why use one in an EV?
PTC high power ceramic heaters are compact heating devices that utilize proven ceramic PTC technology to act as the heating element
PTC thermistors are self-regulating elements and can operate at a nearly constant temperature over a wide range of voltage and environmental conditions
They require no thermostat or other controlling device and can be used alone
These heaters are ideal where low-cost safe heating of an area is desired
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