Do the math: Amps x Volts = Watts. Your house is mostly 120V and each circuit is usually 15amps (not counting large appliances).
Typically 75 amps on natural gas, 85 amps using propane. Peak amps(for less than a second) to start a big appliance, like an A/C condenser, are 130.
In order to properly size the wire per National Electric Code (NEC) standards you will need to know the amperage and the distance of the device (heater) from the source (circuit breaker panel). In order to know the amperage one would need to know the voltage since amperage changes inversely with voltage.
A power plant which produces 500 million watts (500 megawatts) The actual rating would be 500MWh's ( the hours are implied in this case.) This is not always the output from the plant, but rather the plants uppermost limit of production capability under perfect conditions.
If your furnace is 20 kW unit, the maximum amperage it can draw is 83 amps at 240 volts. If it is a two stage unit the first element will be the 5 kW and the second element sill be the 15 kW element. If you are connecting the unit to a 60 amp breaker it will only allow either the 5 or the 15 kW element on but not both. The breaker in the unit needs a voltage source brought to it from the service distribution. If this is a new installation, call an electrician as permits should be taken out for your protection. By doing this, if a fault occurs and a fire is started the first thing that the insurance company wants to know is if the installation was inspected. If you have no documentation you might not be covered.
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The Generac Guardian Series 5875-20kW Smart Circuit Standby is a good standby generator which will power your whole home in the event of a power outage.
In conduit? direct burial? distance?
Have a look at AuroraGenerators.com If it is diesel your looking at about 1 gallon per hour however likely you are not running at full load. You can expect to be using on average 0.5 gallons per hour on an Aurora Diesel Generator
yes
Typically 75 amps on natural gas, 85 amps using propane. Peak amps(for less than a second) to start a big appliance, like an A/C condenser, are 130.
To answer this question the voltage of the motor needs to be stated.
A 20kW generator operating at 3/4 load will burn approximately 1.3 gallons of fuel per hour. So if you only include the "variable" fuel costs to generate electricity, you are going to get 15kWh of electricity from the 1.3 gallons of fuel. If your fuel costs $3/gallon, this would give you a variable cost of $0.26/kWh. You should be able to use "off road" diesel fuel that doesn't include all of the highway taxes. And you should include the "delivered" cost of the fuel. Of course the real costs to generate electricity from a diesel generator must include all of the fixed costs. You can buy a 20kW generator starting at about $5,000. If it lasts for 10 yrs, then that would only add about 5.5 cents to each kWh. You also need to add in maintenance costs and any installation costs.
"I need to power my furnace, hot water heater, refrigerators,freezer,bathroom and 2 bedrooms and possibly a stove." You will not be able to power all these things with a small portable generator. You are looking at a stationary generator, or a towable rental industrial generator. Here's an estimate of what you want: furnace (3/4 hp motor) : 2KW hot water heater : 4KW refrigerators (2?) at 900W each : 2KW freezer : 1KW bath, bedrooms (lights?) : 1KW average electric stove : 10KW Total : 20KW New 20 KW generators are $4000 - $6000. To power your stove, furnace, and water heater it will have to be hardwired through a transfer switch into the house service entrance, which will require a licensed electrician. If your needs are immediate (sounds like they are), buy the biggest portable you can afford, some extension cords, a couple electric heaters, and maybe an electric hot plate. You can heat a strategic room or two, and string cords around the house to power lamps and such, and keep your fridges running. That's probably the best you will be able to do in the short term. I suspect that if you were rich enough to afford a proper home standby generator (in other words, richer than me!), you would have just called a company that could come out and install one. If you do have the funds, look in the yellow pages under generators. The guy that sells and installs yours will be happy (and well qualified) to size it for you.
say around 15-20kw with a striaght throw exhaust from turbo with no cats
1 Hp is roughly 746 watts. If you have 8 motors, each 2.5hp, you have a total of 20hp of load, roughly 15kW. Efficiency isn't 100%, but you're likely not fully loading all 8 motors either. to be safe I would look at 80% effiency, so you'd need ~18.7kW; A 20kW generator should be plenty. If all turn on at the same time, you may have some trouble due to excessive starting current.
You should contact a certified, and licensed electrician.
In order to properly size the wire per National Electric Code (NEC) standards you will need to know the amperage and the distance of the device (heater) from the source (circuit breaker panel). In order to know the amperage one would need to know the voltage since amperage changes inversely with voltage.