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What type of electrical current is used for three phase 408V?
Three-phase 408V systems typically use alternating current (AC).
Is three phase is ac or dc?
Three phase is ac
What is the standard voltage used in homes and businesses in New York City?
Standard household and business power in the entire US is 120V single phase and 240V double phase. Light industry will likely use 208V three phase, 240V three phase, 400V three phase, 415V three phase, or 480V three phase. Heavy industry and subway systems use higher AC voltages and sometimes DC.
Is it possible to use a dc motor as a prime mover for a three phase syncronous ac generator?
It is possible to use it
Why you prefer three phase AC and single phase DC for transmission?
3-phase ac is commonly used for transmission over several hundred kilometres within a synchronous grid system. DC is used for longer distances or for connection between two systems which are not in synchronism.
What are advantages of three phase ac and a single phase ac?
In a typical 3 phase system you have multiple voltages and configurations that can be used in either single phase or 3 phase, depending on how the circuit is designed. A single phase system is just single phase. You can have multiple voltages but it is always single phase.For example, in a typical 277/480v 3 phase system you can power 277v single phase lighting or equipment, 480v single phase lighting or equipment (which uses 2 legs of the 3 phase system but operates like any other single phase circuit), or 480v 3 phase motors.When comparing motors, a 3 phase motor will be substantially smaller than a single phase motor of the same horsepower. You can also reverse a 3 phase motor by switching any 2 leads. A single phase AC motor runs in one direction regardless of how the leads are connected.AnswerFor a given load, a three-phase transmission system requires less volume of copper in terms of conductor size, compared to single phase, so it is more economical to use three-phase.
Is there such a thing as 115V 3 phase?
No!The concept of three phase alternating electricity refers to the relational phase differential of three alternating current single phase sine waves, each displaced 120 degrees of phase angle from the other.Addetion:still the is a three wire DC transmission system.usually DC transmission used for several resone but the most know one is when the transmission line is longer than 600 km
Why 3 phase ac systems is preferred to 4 phase?
3 phase system has more power than a single phase system
What is the difference between three phase load and phase supply?
How much current equipments are drawing from three phases (combined or individual) is called three phase load and how much supply we are getting from source is called three phase supply. Ex. In INDIA single phase supply is 220 volt ac with neutral. So in three phase supply all RYB phases should be 220 volts ac with neutral individually. If we calculate with phase to phase than it shoulb be 415 volts ac.
Is schrage motor ac?
As the motor is a three phase machine,it must be AC supply
Is Europe ac power single phase?
In Europe they have both single phase and three phase.
Use of single phase and three phase variac in electrical engineering?
single phase variac can give 0-270 voltage in ac forms. So it is used to know the voltage in any circuit.
