High voltage systems are generally three-phase systems, for which there is usually no requirement for a neutral. All that is required are three line conductors.
The formula to use is, phase voltage /1.73 = phase to neutral (ground) voltage.CommentThere is no such thing as a 'phase to phase', or 'phase to neutral' voltage. The correct terms are 'line to line' and 'line to neutral'. So the above answer should read: line voltage/1.73= line to neutral voltage = phase voltage.
In Europe, low-voltage, three-phase, systems are four-wire systems, comprising three line conductors and a neutral conductor. The voltage measured between any two line conductors is termed a 'line voltage', and is 400 V. The voltage measured between any line conductor and the neutral conductor is termed a 'phase voltage' and is 230 V. For a three-phase, four-wire, system, the line voltage is always 1.732 times larger than the phase voltage.
In a 3 phase system, the voltage measured between any two phase is called line to line voltage.And the voltage measured between line to neutral is called phase to neutral (line to neutral) voltage.AnswerThere is no such thing as a 'phase-to-phase' or a 'phase-to-neutral' voltage. The correct terms are 'line-to-line' and 'line-to-neutral'.The voltage between any two line conductors is called a line voltage.In a three-phase, three-wire, system, the line voltage is numerically equal to the phase voltage.In a three-phase, four-wire, system, the voltage between any line conductor and the neutral conductor is called a phase voltage. The line voltage is 1.732 times larger than the phase voltage.
If, by 'fix', you mean 'establish' or 'standardise', then for a three-phase, four-wire, system, the 'line-to-line' (not'phase-to-phase'!) voltage will be 1.732 times the 'line-to-neutral' (not 'phase-to-neutral'!) voltage.
Yes. By definition, a line-to-line voltage is indeed called a line voltage.For delta-connected, three-wire, systems comprise three line conductors. The line voltage is numerically equal to the phase voltage.For wye-connected, four-wire, systems comprise three line conductors and a neutral conductor. Any line-to-neutral voltage is called a phase voltage. The line voltage is 1.732 times the value of the phase voltage.
Three phase power is a method of electric power transmission using three wires. Three phase power systems may have a neutral wire that allows the system to use a higher voltage while still allowing lower voltage single phase appliances. In high voltage distributions, it is not common to have a neutral wire, as the loads can simply be connected between phases.
All three phase four wire systems have the ability to produce a voltage to ground or neutral. Take any phase voltage be it primary or secondary and divide it by the sq. root of 3 which equals (1.73) and you will obtain the phase to ground or neutral voltage. The ground and neutral should be of the same potential and when talking about electrical installations these two words get interchanged quite often. Some three phase secondary voltages are 208, 480 and 600 volts. Electricians will talk about voltages of 120/208, 277/480 and 347/600. The first number is the phase to neutral voltage and the second number is the phase to phase voltage.
there is 2 voltages can be measured line to line voltage and phase voltage (line to neutral) where line to line voltage in case of delta connection is equal to phase coltage while in star connection line to line voltage is root 3 of phase voltage
An 11,000 volt three-phase supply has a voltage of 6351 from live to neutral, when there is a neutral wire.
The line to neutral voltage on three phase 208 volts is, 208/1.73 = 120 volts.
The formula you are looking for is - phase voltage/1.73 = phase to neutral voltage.
Dear,the questin is not very clear..as my understanding there are approx equal volt on each phase in three phase.AnswerThe voltage of a three-phase supply depends on (1) the national electrical standards of the country in which you live, and (2) where the three-phase system is within the overall transmission/distribution system.Three-phase systems may be three-wire systems or four-wire systems. High-voltage transmission and distribution systems are practically always three-wire systems, whereas low-voltage distribution sytems are often (but not always) four-wire systems.The conductors used in three-wire systems are termed line conductors (sometimes, incorrectly, called 'phase conductors'), and the voltage between any pair of line conductors is called a line voltage. For four-wire systems, three conductors are line conductors, and the fourth is called a neutral conductor -once again, the voltage between any pair of line conductors is called a line voltage, while the voltage between any line conductor and the neutral conductor is called a phase voltage.In the UK, high-voltage transmission/distribution line voltages are 400 kV, 275 kV, 132 kV, 66 kV, and 11 kV. Low-voltage distribution line voltages are 400 V while the corresponding phase voltage is 230 V -written: 400/230 V.
Phase is just like as +ve terminal & neutral is just like -ve terminal in equivalent dc circuit. In AC, lines the higher voltage terminal is called phase & lower voltage terminal is known as neutral.
230 V is the standard nominal line-to-neutral voltage in European three-phase systems, which means that the corresponding nominal line voltage is 400 V and it is referred to as 400 V 3-phase.
Three Phase transformers have three windings. If connected in Delta, it will have R Y B phase winding, voltage between RY, YB and BR. Phase voltage and line voltage are same. If connected in Star, there will be a neutral as well with RYB. Line voltage and Phase voltage are different. Line voltage = 1.73 x Phase voltage.
A neutral is used on three phase systems to supply two sets of voltages from one connection. In a wye (star) connection you can connect to get phase to phase voltage. From the same type of connection you can connect to a phase to ground (neutral). A common US voltage is 480/277 volts. The second voltage is the sq rt. of 3 for 3 phase. This equals 1.73. 1.73 divided into the phase to phase voltage gives you phase to ground (neutral). 480/1.73 = 277 volts. 208/1.73 = 120 volts. 600/1.73 = 347 volts.
A single-phase cable will have a line and a neutral conductor and, possibly, but not necessarily, an earth (ground) conductor. A high-voltage three-phase cable will have three line conductors. A low-voltage three-phase cable is likely to have three line conductors and a neutral conductor.
Some systems have a neutral, some don't. To support single phase appliances, a neutral is required. If only three phase appliances are being supplied, then the neutral is not required. In a three phase delta configuration there is no neutral, in a three phase star or wye configuration the coil ends are connected together and grounded forming a neutral.
It is done by connecting the neutral to earth at the transformer that produces the three-phase supply. If the three phase wire supply equal currents, there is no current in the neutral wire and its whole length stays at earth potential, but if there is current in the neutral it produces a small voltage on the neutral at places away from the transformer.
A three phase motor uses phase to phase voltage in its operation.
The current is the same in the three live wires. The voltage can be described as the line voltage (phase to neutral) or the phase voltage (phase to phase) which is larger by a factor of sqrt(3). So a line voltage of 230 v corresponds to a phase voltage of 400 v.
Net voltage in the Neutral of a three phase electrical system is called residual voltage.
I think you mean 'single-phase supply', rather than 'phase supply'. All high-voltage a.c. transmission and distribution systems are three-phase systems. This is because, for a given load, a three-phase system uses less copper than a single-phase system. Three-phase generators produce three 'phase voltages', each displaced, by 120 electrical degrees. These voltages are produced in three windings which are electrically connected in what is called a 'delta' configuration, with each 'corner' of the delta connected to the transmission system by 'line' conductors. Three-phase systems are either 'three-wire' or 'four-wire' systems. Generally, three-phase, three-wire, systems are used for high-voltage transmission and distribution, whereas three-phase, four-wire, systems are typically (but not always) used for low-voltage distribution. Three-wire systems comprise three conductors called 'line conductors'; four-wire systems comprise three 'line conductors' and a 'neutral conductor'. Depending the voltage standards used in the country in which you live, a single-phase supply is obtained either by connecting single-phase load between any two line conductors, or between any one line conductor and the neutral conductor.
It is hard to see a question here. Both of these voltages are currently use in electrical systems today. Both voltages are related to three phase systems. A voltage of 208 volts is a three phase wye system that has a voltage of 208 between lines L1, L2 and L3 and 120 volts between any of the lines and neutral. A voltage of 277 is the line to neutral voltage of a 480 volt three phase wye system. There is a voltage of 480 between L1, L2 and L3 and 277 volts between any of the lines and neutral.