I tested some elec's for use with generators...FYI
- Thread starter Lean.In.
- Start date
For time delay fuses, best check a traditional hardware store or electrical supply store. The big-box home stores probably have some, but good luck finding them or someone who knows what you are asking about.
Buy the same size (rating) but as a Time-Delay fuse. Sorry, at this late hour I can't remember the "official" prefix. Buss fuses (a common brand for standard screw-in fuses) called them T-x as in T-15 or T-20.
Don't know if you have type S fuse holders (the ones that only allow a certain size fuse) or standard size (lightbulb size) fuse sockets. Time Delay fuses are available for both types, and also for cartridge-type fuses if that's what you need.
Buy the same size (rating) but as a Time-Delay fuse. Sorry, at this late hour I can't remember the "official" prefix. Buss fuses (a common brand for standard screw-in fuses) called them T-x as in T-15 or T-20.
Don't know if you have type S fuse holders (the ones that only allow a certain size fuse) or standard size (lightbulb size) fuse sockets. Time Delay fuses are available for both types, and also for cartridge-type fuses if that's what you need.
It's all good, Craig. It was late everywhere last night.beac83;173014 wrote: That's it. It was late here last night
I was just throwing out some additional terminology. It's always frustrating getting a blank stare from the guy at Radio Shack (like this guy at 1:36) when asking for basic components because I used "proper" technical terms. Even more so when they tell me they don't have something, and I find it in a clearly labeled drawer 2 minutes later. :banghead:Thought this might be useful for some. The easiest way I have found to test your power requirements/usage (If you don't want to do math) :notsure:
Get a "Kill A Watt" power meter
http://www.newegg.com/Product/Product.aspx?Item=N82E16882715001
You can plug it into your wall outlet, or generator and it will give you the total amps, watts, volts being used for anything plugged into the meter. The only annoying thing with this is, if you have a 20 amp outlet, the meter will start beeping when using over 15 amps.
Get a "Kill A Watt" power meter
http://www.newegg.com/Product/Product.aspx?Item=N82E16882715001
You can plug it into your wall outlet, or generator and it will give you the total amps, watts, volts being used for anything plugged into the meter. The only annoying thing with this is, if you have a 20 amp outlet, the meter will start beeping when using over 15 amps.
This has been a very useful thread for me. I appreciate everyone’s help.
I got me a ‘78 CB750 last fall as a project bike so I can learn basic stuff like carburetion and electrical systems. I got a Haynes Fuel Sytems Techbook and factory manual and tore the carburetors apart.
Once that project’s done I have a copy of Motorcycle Electrical Systems Troubleshooting and Repair. Hopefully I’ll soon be able to run the multimeter that has been lying in my toolbox forever.
I got me a ‘78 CB750 last fall as a project bike so I can learn basic stuff like carburetion and electrical systems. I got a Haynes Fuel Sytems Techbook and factory manual and tore the carburetors apart.
Once that project’s done I have a copy of Motorcycle Electrical Systems Troubleshooting and Repair. Hopefully I’ll soon be able to run the multimeter that has been lying in my toolbox forever.
Ha ha. The clip even uses my name! When I worked at Radio Shack many years back, I had all the DIY'ers coming to our store because I could communicate with them. We did a lot of parts business as a result, which because of the high margins, made us the most profitable store in the district.MikeyR6;173016 wrote: It's all good, Craig. It was late everywhere last night.
Brings back some memories.
Good refrence for u all..
Generator Sizing
DETERMINING YOUR ENERGY NEEDS
BECAUSE WITH A GENERATOR, SIZE MATTERS
The first thing you need to do is determine what size generator would work best for your particular requirements.
This section will help walk you through that process.
When purchasing a generator, it's important that you select one that's capable of meeting your energy requirements.
You must match the rated output of the generator to the maximum anticipated power to be used.
This section will assist you in estimating the power requirements so you can purchase the generator that will satisfy your needs.
This includes using the accompanying worksheet to make a list of the tools and appliances you expect to operate, as well as the approximate power requirements for each device.
Once you have the list, you can estimate the highest demand that will be put on the generator under the "worst-case" conditions. With this figure, you can determine the appropriate model Yamaha generator for your particular needs.
WARNING: Electrocution, severe personal injury or death can occur: Do not connect any generator to any building's electrical system unless an isolation switch has been installed by a licensed electrician. Refer to the Generator Owner's Manual.
CAUTION: Property damage can occur: Do not connect any generator to any building's electrical system unless an isolation switch has been installed by a licensed electrician. Refer to the Generator Owner's Manual.
TAKE IT STEP-BY-STEP
Follow these steps when determining your energy needs:
1. Identify the wattage requirements for the tools and appliances that you want to power. The power requirement for the tool or appliance can be found on its identification plate or in the Owner's Manual. If the power requirement is given in amps, multiply the amps times volts to derive the required watts.
Amps x Volts = Watts
2. Add up the required watts of all the tools and appliances you expect to operate simultaneously.
3. The total watts derived in step 2 is the size Yamaha generator you need. These three simple steps will "size" a generator.
The Additional Guidelines section explains the procedures to calculate and size for motor starting.
This chart lets you immediately add up all of the appliances you will most likely utilize:
G EN E R A T O R W O R K S H E E T
RUNNING
WATTAGE REQUIREMENTS ADDITIONAL STARTING WATTAGE REQUIREMENTS TOTALS
HEATING/COOLING:
Furnace Fan, gas
or fuel oil furnace
1/8 horsepower
300 500
1/6 horsepower
500 750
1/4 horsepower
600 1000
2/5 horsepower
700 1400
3/5 horsepower
875 2350
Central Air Conditioner
10,000 BTU
1500 2200
20,000 BTU
2500 3300
24,000 BTU
3800 4950
32,000 BTU
5000 6500
40,000 BTU
6000 6700
HEATING/COOLING: SUB-TOTAL:
KITCHEN
Refrigerator, Average 600 2200
Dish Washer - Cool Dry 700 1400
Dish Washer - Hot Dry
1450 1400
Clothes Dryer - Gas 700 1800
Clothes Dryer - Electric 5750 1800
Microwave Oven, 750W 750 800
Washing Machine 750 2300
Coffee Maker 850 0
Toaster 2-slice 1100 0
Toaster 4-slice 1650 0
Electric Skillet 1500 0
Electric Range 6-in. element 1500 0
Electric Range 8-in. element 2100 0
Freezer 2500 2200
KITCHEN SUB-TOTAL: />BATHROOM
Hair Dryer 800 - 1700 0
Iron 1200 0
BATHROOM SUB-TOTAL:
APPLIANCES
Lights- Wattage Actual:
VCR 50 0
Heating Pad 65 0
Radio 100 0
Television - Black & White 100 0
Television - Color 300 0
Dehumidifier 400 0
Electric Blanket 400 0
Garage Door Opener - 1/4HP 550 1100
Garage Door Opener - 1/3HP 725 1400
Well Pump - 1/3 hp 750 1400
Well Pump - 1/2 hp 1000 2100
Sump Pump - 1/3 hp 500-1200 1700
Sump Pump - 1/2 hp 1050 2150
Vacuum Cleaner - Standard 800 0
Vacuum Cleaner - Deluxe 1100 0
APPLIANCES SUB-TOTAL:
COMMERCIAL PRODUCTS:
1/4" Drill 300 300
Jigsaw 300 300
Electric Weed Trimmer 500 500
Router 1000 1000
Belt Sander 1000 1000
Disc Sander 1200 1200
Chain Saw 1200 1200
Worm Drive Saw 1560 3100
12" Concrete Cutter 1800 3600
7 1/4" Circular Saw 1500 3000
Disc Grinder 2000 4000
Air Compressor, Average 2000 4000
COMMERCIAL PRODUCTS: SUB-TOTAL:
GRAND TOTAL
ADDITIONAL GUIDELINES
CONVERTING AMPS OR HORSEPOWER INTO WATTS
If necessary, use these formulas:
Watts = Amps x Volts
Running Watts* = Horsepower x 932** (for motors)
Remember, this worksheet lists average power requirements — a particular manufacturer's device may use more or less than the listed wattage.
Add a 10% correction factor to your totals to help overcome this uncertainty.
If your customer plans to operate devices that use electric motors, list both the starting and running requirements of each.
Starting requirements of some devices maybe significantly higher than their running requirements. This higher demand must be considered when estimating your power needs. Some small, universal motors — which do not draw a heavy starting load (drills, small saws, blenders, etc.) — require very little extra current for starting.
When listing items that use motors, take them in the order of highest-to-lowest starting requirements, as shown in the example below. Motor A, for instance, has a starting requirement of 2,600 watts, so it's listed first, followed by Motor B at 1,300 watts, and Motor C at 1,000 watts.
MOTOR/
DEVICE STARTING
WATTS RUNNING
WATTS
Motor A 2,600 850
Motor B 1,300 600
Motor C 1,000 750
Once you have compiled an accurate list of what you will be operating, you can calculate the maximum power requirements. There are three different calculations you can make, depending upon the kinds of tools and appliances on the list, and their intended use:
No electric motors.
One motor running at a time.
More than one motor running at a time.
NO ELECTRIC MOTORS
If your list does not include any devices that use electric motors, simply add the power (running) requirements of all the items on your list to obtain the maximum power needed.
For example, if you intend to use only an electric skillet, a 100-watt light and a heating pad (as shown below), the maximum power requirement would be 1,655 watts. In this case, a generator like the EF2800i, that can produce 2,500 watts rated output, is recommended.
DEVICE WATTS
Electric Skillet 1,500
Light 100
Heating Pad 65
Total: 1,665
NOTE: The EF1600's rated output is 1,400 watts, so its output would be too low to handle this load on a continuous basis.
Footnotes: />*Running Watts is the amount of power a motor consumes once it has started to run at normal speed.
**932 is the factor used to convert motor horsepower ratings to needed electrical energy. It takes into account normal losses in utilizing that power.
Generator Sizing
DETERMINING YOUR ENERGY NEEDS
BECAUSE WITH A GENERATOR, SIZE MATTERS
The first thing you need to do is determine what size generator would work best for your particular requirements.
This section will help walk you through that process.
When purchasing a generator, it's important that you select one that's capable of meeting your energy requirements.
You must match the rated output of the generator to the maximum anticipated power to be used.
This section will assist you in estimating the power requirements so you can purchase the generator that will satisfy your needs.
This includes using the accompanying worksheet to make a list of the tools and appliances you expect to operate, as well as the approximate power requirements for each device.
Once you have the list, you can estimate the highest demand that will be put on the generator under the "worst-case" conditions. With this figure, you can determine the appropriate model Yamaha generator for your particular needs.
WARNING: Electrocution, severe personal injury or death can occur: Do not connect any generator to any building's electrical system unless an isolation switch has been installed by a licensed electrician. Refer to the Generator Owner's Manual.
CAUTION: Property damage can occur: Do not connect any generator to any building's electrical system unless an isolation switch has been installed by a licensed electrician. Refer to the Generator Owner's Manual.
TAKE IT STEP-BY-STEP
Follow these steps when determining your energy needs:
1. Identify the wattage requirements for the tools and appliances that you want to power. The power requirement for the tool or appliance can be found on its identification plate or in the Owner's Manual. If the power requirement is given in amps, multiply the amps times volts to derive the required watts.
Amps x Volts = Watts
2. Add up the required watts of all the tools and appliances you expect to operate simultaneously.
3. The total watts derived in step 2 is the size Yamaha generator you need. These three simple steps will "size" a generator.
The Additional Guidelines section explains the procedures to calculate and size for motor starting.
This chart lets you immediately add up all of the appliances you will most likely utilize:
G EN E R A T O R W O R K S H E E T
RUNNING
WATTAGE REQUIREMENTS ADDITIONAL STARTING WATTAGE REQUIREMENTS TOTALS
HEATING/COOLING:
Furnace Fan, gas
or fuel oil furnace
1/8 horsepower
300 500
1/6 horsepower
500 750
1/4 horsepower
600 1000
2/5 horsepower
700 1400
3/5 horsepower
875 2350
Central Air Conditioner
10,000 BTU
1500 2200
20,000 BTU
2500 3300
24,000 BTU
3800 4950
32,000 BTU
5000 6500
40,000 BTU
6000 6700
HEATING/COOLING: SUB-TOTAL:
KITCHEN
Refrigerator, Average 600 2200
Dish Washer - Cool Dry 700 1400
Dish Washer - Hot Dry
1450 1400
Clothes Dryer - Gas 700 1800
Clothes Dryer - Electric 5750 1800
Microwave Oven, 750W 750 800
Washing Machine 750 2300
Coffee Maker 850 0
Toaster 2-slice 1100 0
Toaster 4-slice 1650 0
Electric Skillet 1500 0
Electric Range 6-in. element 1500 0
Electric Range 8-in. element 2100 0
Freezer 2500 2200
KITCHEN SUB-TOTAL: />BATHROOM
Hair Dryer 800 - 1700 0
Iron 1200 0
BATHROOM SUB-TOTAL:
APPLIANCES
Lights- Wattage Actual:
VCR 50 0
Heating Pad 65 0
Radio 100 0
Television - Black & White 100 0
Television - Color 300 0
Dehumidifier 400 0
Electric Blanket 400 0
Garage Door Opener - 1/4HP 550 1100
Garage Door Opener - 1/3HP 725 1400
Well Pump - 1/3 hp 750 1400
Well Pump - 1/2 hp 1000 2100
Sump Pump - 1/3 hp 500-1200 1700
Sump Pump - 1/2 hp 1050 2150
Vacuum Cleaner - Standard 800 0
Vacuum Cleaner - Deluxe 1100 0
APPLIANCES SUB-TOTAL:
COMMERCIAL PRODUCTS:
1/4" Drill 300 300
Jigsaw 300 300
Electric Weed Trimmer 500 500
Router 1000 1000
Belt Sander 1000 1000
Disc Sander 1200 1200
Chain Saw 1200 1200
Worm Drive Saw 1560 3100
12" Concrete Cutter 1800 3600
7 1/4" Circular Saw 1500 3000
Disc Grinder 2000 4000
Air Compressor, Average 2000 4000
COMMERCIAL PRODUCTS: SUB-TOTAL:
GRAND TOTAL
ADDITIONAL GUIDELINES
CONVERTING AMPS OR HORSEPOWER INTO WATTS
If necessary, use these formulas:
Watts = Amps x Volts
Running Watts* = Horsepower x 932** (for motors)
Remember, this worksheet lists average power requirements — a particular manufacturer's device may use more or less than the listed wattage.
Add a 10% correction factor to your totals to help overcome this uncertainty.
If your customer plans to operate devices that use electric motors, list both the starting and running requirements of each.
Starting requirements of some devices maybe significantly higher than their running requirements. This higher demand must be considered when estimating your power needs. Some small, universal motors — which do not draw a heavy starting load (drills, small saws, blenders, etc.) — require very little extra current for starting.
When listing items that use motors, take them in the order of highest-to-lowest starting requirements, as shown in the example below. Motor A, for instance, has a starting requirement of 2,600 watts, so it's listed first, followed by Motor B at 1,300 watts, and Motor C at 1,000 watts.
MOTOR/
DEVICE STARTING
WATTS RUNNING
WATTS
Motor A 2,600 850
Motor B 1,300 600
Motor C 1,000 750
Once you have compiled an accurate list of what you will be operating, you can calculate the maximum power requirements. There are three different calculations you can make, depending upon the kinds of tools and appliances on the list, and their intended use:
No electric motors.
One motor running at a time.
More than one motor running at a time.
NO ELECTRIC MOTORS
If your list does not include any devices that use electric motors, simply add the power (running) requirements of all the items on your list to obtain the maximum power needed.
For example, if you intend to use only an electric skillet, a 100-watt light and a heating pad (as shown below), the maximum power requirement would be 1,655 watts. In this case, a generator like the EF2800i, that can produce 2,500 watts rated output, is recommended.
DEVICE WATTS
Electric Skillet 1,500
Light 100
Heating Pad 65
Total: 1,665
NOTE: The EF1600's rated output is 1,400 watts, so its output would be too low to handle this load on a continuous basis.
Footnotes: />*Running Watts is the amount of power a motor consumes once it has started to run at normal speed.
**932 is the factor used to convert motor horsepower ratings to needed electrical energy. It takes into account normal losses in utilizing that power.