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re: how to hook up my hot water heater to a 30 amp connection on genny
13 mar 2006
harry chickpea wrote:
>nicksanspam@ece.villanova.edu wrote:
>
>>forget the electrical connection. pipe the generator exhaust into
>>the top of a gas water heater to collect 4x more heat power.
>
>what is "heat power", and where can i buy some?
we can't buy or "collect" power. we buy energy measured in btu or kwh vs
power measured in btu/h or kw. power is just a number, a rate of energy use
over time. when i say we can collect 4x more heat power, i mean a typical
small generator generates heat energy at a rate 4x greater than its rate
of electrical energy generation.
for instance, a honda eu2000 burns 1.08 gallons of gasoline with a heating
value of 123.1k btu in 4 hours at the 1600 w rated load, making 6.4 kwh of
electrical energy (equivalent to 21.8k btu of heat energy) as well as
101.3k btu of heat (equivalent to another 29.7 kwh of electrical energy),
ie 36.1 kwh of total energy. we can use the electrical energy to heat water,
but it seems more economical to use the electrical energy to make the meter
run backwards with an eu2000 and use its heat energy to heat water.
nick
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