3 phase /sqrt(3) * 30 degree phase shift = single phase.
Yes, you can use three single phase transformers on three phase applications and interconnect them to serve as a single transformer or you could use one single phase transformer fed from two of the three lines in a step down application.
In Australia most power is generated in 3 phase the split down to single phase wen it reaches individual residences 3 phase power is more efficient to produce. most single phase motors have switching gear and capacitors to help kick a motor on when it starts because single phase power doesn't have enough power to turn over a motor. 3 phase motors are generally simpler and require no starting gear ( normally cheaper to build) Most workshops have 3 phase machinery for the extra power it prvides Some motors can be 2 phase (rare) as well.
In exactly the same way as you do so for a single-phase load. It's the product of the power of the load, expressed in kilowatts, and the during of operation, expressed in hours. (And the symbol of kilowatt hours is 'kW.h', not 'kwh')
The process of asingle-phase ac voltage generated from hydro-powerAnswerPower station alternators generate three-phase electricity as, for any given load, it is more economical in terms of the total volume of copper required by transmission lines, transformers, etc. Single-phase supplies are normally produced by small, portable, alternators. The difference between the two is the way in which the machines' armatures are wound. For a three-phase machine, there are three separate windings, physically displaced from each other by 120 degrees, so three phase voltages are produced which are 120 electrical degrees apart. Single-phase machines, on the other hand, have just one armature winding, and produce just one voltage.
If you plug a single phase appliance into a three phase power supply, then you will be using single phase power. It does not matter if you are delta connected, AB, BC, or CA, or if you are wye connected, AN, BN, or CN. Yes, if there was "a problem", you would trip the supply. Question, however, is what do you define as "a problem"? Three phase power is intended to supply three phase appliances. Connecting a single phase appliance to three phase power is inconsistent with the objective, and such connection must have been performed by some kind of "jury-rigging". If you pull more than the trip current on any one phase, the supply should trip. If a malfunction in the single phase application, however, were to result in fault current that is lower than the trip current, you might not trip, and you might create damage and/or a fire. There is nothing wrong with building a branch circuit that feed a single phase load from one phase of a three phase source. You just need to provide the correct protection for that intended load.
Yes, you can use three single phase transformers on three phase applications and interconnect them to serve as a single transformer or you could use one single phase transformer fed from two of the three lines in a step down application.
Nothing happens. This is a normal way to obtain a single phase system from a three phase system.
No, you can not get three phase power from a single phase generator no matter what internal connections you use. On the other hand you can obtain a single phase supply from a three phase generator by using any two phase legs as a source. <<>> I single phase generator can produce three phase by using a converter but its not efficient and does not work very well. <<>> Well there is an another way too. but one has to be precautious in that...simply short the three phases of the electricity supply n feed them with a single phase of the generator...now when the mains is bak make sure the short phases are separated again and then powered up otherwise you will be hearin blasts here n there...use ATS for automatic switching that gives you automatic transfer and can be programmed when to short and when not to..
No, you can not get three phase power from a single phase generator no matter what internal connections you use. On the other hand you can obtain a single phase supply from a three phase generator by using any two phase legs as a source. <<>> I single phase generator can produce three phase by using a converter but its not efficient and does not work very well. <<>> Well there is an another way too. but one has to be precautious in that...simply short the three phases of the electricity supply n feed them with a single phase of the generator...now when the mains is bak make sure the short phases are separated again and then powered up otherwise you will be hearin blasts here n there...use ATS for automatic switching that gives you automatic transfer and can be programmed when to short and when not to..
In Australia most power is generated in 3 phase the split down to single phase wen it reaches individual residences 3 phase power is more efficient to produce. most single phase motors have switching gear and capacitors to help kick a motor on when it starts because single phase power doesn't have enough power to turn over a motor. 3 phase motors are generally simpler and require no starting gear ( normally cheaper to build) Most workshops have 3 phase machinery for the extra power it prvides Some motors can be 2 phase (rare) as well.
In exactly the same way as you do so for a single-phase load. It's the product of the power of the load, expressed in kilowatts, and the during of operation, expressed in hours. (And the symbol of kilowatt hours is 'kW.h', not 'kwh')
according to my research a phase in electrical engineering means a single line or a single way of transmission
The process of asingle-phase ac voltage generated from hydro-powerAnswerPower station alternators generate three-phase electricity as, for any given load, it is more economical in terms of the total volume of copper required by transmission lines, transformers, etc. Single-phase supplies are normally produced by small, portable, alternators. The difference between the two is the way in which the machines' armatures are wound. For a three-phase machine, there are three separate windings, physically displaced from each other by 120 degrees, so three phase voltages are produced which are 120 electrical degrees apart. Single-phase machines, on the other hand, have just one armature winding, and produce just one voltage.
This is a simple concept when visualized but can be difficult to understand in written form. Single phase essentially has the same phase or position on the wave throughout the entire circuit. Anywhere you measure along the wires in the circuit the voltage will be at the same phase, maximum, minimum, increasing or decreasing and the will only be two wires, supply and return. Three phase has three wires and each wire will be at a different point or phase on the wave at any given time. This is a more efficient way to transport electricity and connecting between any two of the wires will give a single phase circuit. Three phase is also used with three bulbs to light rotating machinery, this will prevent a strobe effect that can make the machine look like it is not moving. My examples are not perfect but, close enough and an animation of three would make it very obvious.
Theoretically you could, you would just need some way of syncing the three phases 120 electrical degrees apart.
If you plug a single phase appliance into a three phase power supply, then you will be using single phase power. It does not matter if you are delta connected, AB, BC, or CA, or if you are wye connected, AN, BN, or CN. Yes, if there was "a problem", you would trip the supply. Question, however, is what do you define as "a problem"? Three phase power is intended to supply three phase appliances. Connecting a single phase appliance to three phase power is inconsistent with the objective, and such connection must have been performed by some kind of "jury-rigging". If you pull more than the trip current on any one phase, the supply should trip. If a malfunction in the single phase application, however, were to result in fault current that is lower than the trip current, you might not trip, and you might create damage and/or a fire. There is nothing wrong with building a branch circuit that feed a single phase load from one phase of a three phase source. You just need to provide the correct protection for that intended load.
A three-phase motor has a rotating magnetic field inside that is set up by the supply, so the armature always rotates in the correct direction. A single-phase motor can in principle start either way so it has a starting winding supplied through a capacitor to provide a small component of rotating field to get it started the right way. After it has picked up speed the starting winding can be switched out.