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single phase means that there is only 1 live core in the cable (+) . so dual phase means there are 2 live cores in the cable. this is used to supply different parts of a device where needed. although three phase cable sometimes used to boost power to 400 v
Further answer
Actually it's not correct to say "boost power to 400 v". Power is measured in watts, not volts, although I agree the voltage of three-phase, at least in the UK, is 400v (I don't know about the US - they have lower domestic volatges than the UK anyway)
CommentIf, by 'dual phase', you actually mean 'two phase', then this electrical system is quite rare, and consists of two phase voltages displaced by 90 degrees, as opposed to a three-phase system in which the phase voltages are displaced by 120 degrees.
What else can I help you with?
Is there a difference between three phase and single phase electrical supplies?
Yes, there a difference between three phase and single phase electrical supply services.
What is the difference between a one phase and a three phase motor. And if a three phase motor is given a single phase supply will it run or not?
The difference between a single phase and a three phase motor is the amount of power conductors that feed the device. As to the other part of the question a three phase motor will not start or run on single phase. The phase angles on three phase are 120 degrees apart on a single phase system they are 180 degrees apart.
What is the different single phase unit price and three phase unit price?
If, by 'unit price', you mean the cost per kilowatt hour, then there is normally no difference between the cost of energy supplied whether by single-phase or three-phase supplies.
What is the difference between a single phase compressor and a 3 phase compressor?
One uses single phase AC current (120/240), the other uses 3 phase AC current (most households will not have 3 phase in their home) One uses a 3 phase motor the other a single phase motor. 3 phase is usually used in industrial applications while single phase is used in home or small business apps.
How do you derive three phase single way?
3 phase /sqrt(3) * 30 degree phase shift = single phase.
Is there a difference between three phase and single phase electrical supplies?
Yes, there a difference between three phase and single phase electrical supply services.
Single phase and three phase circuit?
Yes, there is a difference between single phase and three phase circuits.
What is the difference between a one phase and a three phase motor. And if a three phase motor is given a single phase supply will it run or not?
The difference between a single phase and a three phase motor is the amount of power conductors that feed the device. As to the other part of the question a three phase motor will not start or run on single phase. The phase angles on three phase are 120 degrees apart on a single phase system they are 180 degrees apart.
What is the difference between a single and a dual IGBT?
Single means there is just one. Dual means there are two IGBT's (Insulated Gate Bipolar Transistor) inside the one package.
When installing photovoltaic system is 3 phase more expensive than single phase?
The only real difference would be the inverter and panelboard, and yes, 3-phase inverters are more expensive than single-phase.
What is the difference between one pin and two pin spark plugs?
what is the difference between dual and single pin spark plugs
What is the difference between Dual Core and Core2Duo?
Dual core is the property of having two cores in a single CPU. Core2Duo is an Intel CPU that has two cores.
Is the mesa boogie single as good as the dual rectifier?
It depends on what you mean by better...I think it is because it is more versatile, the Dual can barely produce a clean tone, the Single produces almost the same amount of overdrive as the Dual, but the difference is so small you can barely hear it.
What is current in three phase and single phase?
All current is the passage of electric charges from one terminal to another through a conductor so there is no real difference in the type of current that flows in a 3 phase system compared to a single phase system.
What is the different single phase unit price and three phase unit price?
If, by 'unit price', you mean the cost per kilowatt hour, then there is normally no difference between the cost of energy supplied whether by single-phase or three-phase supplies.
Why is there a difference between a domestic and industrial electricity supply?
actually there is no difference between them. However in some counteries, single phase is used for domestic and three phase is used for industrial.
Working principle of dual trace oscilloscope?
Dual-trace operation allows you to view two independent signal sources as a dual display on a single CRT. This operation allows an accurate means of making amplitude, phase, time displacement, or frequency comparisons and measurements between two signals. A dual-trace oscilloscope should not be confused with a dual-beam oscilloscope. Dual-beam oscilloscopes produce two separate electron beams on a single scope, which can be individually or jointly controlled. Dual-trace refers to a single beam in a CRT that is shared by two channels.
