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Is it possible to run a three phase motor out of a 100A household panel?
The physical internal windings between single phase and three phase motors makes this an impossibility That being said money can make anything happen. Depending on the amount of money you want to spend to make this happen there is a device on the market called a VFD ( Variable Frequency Drive). On the three phase input terminals you apply your single phase voltage. On the output terminals you connect your three phase motor. When run in this configuration there is an internal switch that has to be changed to let the VFD know that it should be looking for only two lines on the input to be hot. Otherwise the VFD thinks that there is a line loss on the three phase input terminals and the unit will not start. <<>> You can make a phase converter with a couple extra motors. Wire up a 120V single phase motor and couple it to a 3 phase motor. This turns the 3 phase motor into a generator for you to run to whatever equipment the 3 phase motor is. Although if you had a single phase motor you probable don't need a 3 phase motor. <<>> yes! you will have to buy a phase converter. <<>> yes, it is possible to this with a rotary phase converter . one manufacturer is "phase master" (as an example only, not wishing to promote any brand). these are not cheap units and it may be more cost effective to purchase a single phase (220V.) replacement motor . the overall efficiency (operational costs) would be better too . a rotary phase converter is usually the "last choice on the list" .
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Any business, such as a factory, or any home needing a 3-phase supply for some equipment would usually get that supply by having it installed by their local electric power uti…lity company. For a very small 3-phase motor, solid state power inverter units are available nowadays which can be powered from household 1-phase supply. If you want to know how to convert a 1-phase to a 3-phase supply for high power applications it can be done using a motor/alternator set or a solid state inverter unit but to use these safely requires specialized equipment and electrical engineering knowledge. The full answer is too complicated to explain here. Depending on the amount of money you want to spend to make this happen there is a device on the market called a VFD ( Variable Frequency Drive). On the three phase input terminals you apply your single phase voltage. On the output terminals you connect your three phase motor. When run in this configuration there is an internal switch that has to be changed to let the VFD know that it should be looking for only two lines on the input to be hot. Other wise the VFD thinks that there is a line loss on the three phase input terminals and the unit will not start. Before you do any work yourself, on electrical circuits, equipment or appliances, always use a test meter to ensure the circuit is, in fact, de-energized IF YOU ARE NOT REALLY SURE YOU CAN DO THIS JOB SAFELY AND COMPETENTLY REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Terminology gets misapplied but a 3-phase converter produces a 3 phase supply from a single phase supply. The only proviso is that generator, converter and motor are all… suitably rated and compatible.
yes power cost is figured by watts volts times amps equals watts three phase motors have lower amp draws per hp than single phase thus less watts less cost
Yes, a three phase motor can run on a DC supply. You will need to provide an inverter, or a motor-generator set to do so. (In practical terms, the answer is no, because the …costs will be high for any kind of significant power.)
Not with standard residential electricity. Homes are normally wired for single phase power. There are electronic invertor devices you can buy to run a small 3 phase motor on s…ingle phase but the costs are quite high. If the equipment you need the motor for has the option of using a single phase motor - or can be adapted to take one at reasonable cost - it is often better and cheaper to part-exchange an unwanted 3 phase motor for a suitable single phase motor. If you decide you really need to have 3 phase in your home, your electric power utility company may be able to install a 3 phase service but the costs of doing it will depend a lot on the distance that your home is from the nearest 3 phase substation...
The purpose of using any overload protection on any motors, single phase or three phase, is to eliminate the possibility of allowing the motor to get into an overloaded condit…ion. By disconnecting the motor from the supply voltage in an overload condition the motors winding's insulation is not subjected to high heat. High heat in the motor windings breaks down the insulation material and will eventually short circuit the windings causing the motor to have to be replaced.
To answer this question a voltage must be stated.
by cnnecting only two phases
It must be a three phase supply service to run a three phase motor.
No, a three phase motor cannot generally be wired to a single phase supply so, to run it on single phase you would need an electronic inverter unit or a rotary phase converter… to generate the three phase supply. Such invertors or convertors are generally expensive to buy and the price will depend on the power of the motor. As long as the power requirements of the equipment that you want to use the motor on are not too high for the biggest single phase motor available, it is usually best to see if you can part-exchange the three phase motor for a suitable single phase motor. Another answer Some three phase motors have all their windings brought out to terminals, usually two terminals per winding. So, if the motor has at least six terminals inside its wiring connections box and you can find out for sure that it was designed to be rewirable to run on single phase as well as on three phase - from the manufacturer or a qualified electrical engineer - then you should be able to connect them to run the motor on a suitably sized single phase circuit. ("Suitably sized" means that the circuit breaker and wiring is of the correct size to handle the current needed by the motor.) As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed. Before you do any work yourself, on electrical circuits, equipment or appliances, always use a test meter to ensure the circuit is, in fact, de-energized. IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB SAFELY AND COMPETENTLY REFER THIS WORK TO QUALIFIED PROFESSIONALS. .
A 3-phase motor can be slow by:- 1. BY INCREASING THE NUMBER OF POLE PAIR. 2. BY USING GEAR.
no Under most conditions the answer would be no, however I experienced this very occurrence myself. This is the condition it happened under: Wiring a three phase power band sa…w with a hydraulic pump. The pump was used to clamp the work in place and raise the cutting head. One of the wires for the pump motor had come out of the factory installed terminal strip. When the saw was started the pump ran in reverse, we changed the rotation at the disconnect. Started the pump again, the pump again ran in reverse. Thinking we had reconnected it incorrectly, we again changed the phasing. Started the pump again, again it ran in reverse. We started looking the wiring over and found the wire out of the terminal strip, corrected this problem and the motor ran in the right direction. Why did this happen? A three phase motor will run with only two phases connected as long as there is no load on the motor. The pump only loaded the motor when it was turning in the right direction and pumping oil. The pump provided no load when turning in reverse and the motor could easily turn it.
if induction motor rotates at syn speed ...........there is no posibble to create relative motion between rotor and stator.....so net emf value is zero ....so motor cant run..….....
This will be a very expensive project. Solar panel outputs are DC whereas single phase motors are AC. First you will need join enough solar panels together to bring the voltag…e up to what the motor operates on. Most solar panels voltage output is 12 VDC. Due to the start up amperage of the motor you will need a battery bank to allow for the inrush current to the motor. The solar cells are only used to keep the battery bank charged. Now to change the DC to AC an inverter will be needed with a capacity to handle the inrush current of the motor. Most smaller motors, the inrush current will be 250 to 300% times the motors full load amperage. This amperage will be found on the motor's nameplate. Solar panel installations now fall within the electrical code book guide lines. An electrician will need to be consulted for correct wire sizing and for proper installation of current protection devices to keep the within the safety guidelines. With all of this equipment needed you can now see why this is a very expensive project.
The control panel will be based around a set of reversing magnetics. Depending on how you want to control the mags will depend on what type of peripheral equipment you will ne…ed to add to the control panel.
To find the amperage of a three phase motor, the following equation needs to be used. Amps = HP x 746/1.73 x Volts x % efficiency x power factor. once all of the values are ad…ded you can find the amperage of any Horsepower motor at any three phase voltage. A standard motor's efficiency between 5 to 100 HP is .84 to .91. A standard motor's power factor between 10 to 100 HP is .86 to .92.