what is difference between line voltage and phase voltage?
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The conductors between a voltage source and a load are called lines, and the voltage between any two lines is called line voltage. The voltage measured between any line and neutral is called phase voltage. For example, for a 208/120 volt service, the line voltage is 208 Volts, and the phase voltage is 120 Volts.
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The phase difference is the difference in the phase angle of the two waves. Path difference is the difference in the path traversed by the wave. The relation between phase difference and path difference are direct. They are directly proportional to each other.
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What is the difference between 12v and 120v? 12v: known as low voltage, this voltage is acheived by "stepping down", reducing/converting standard 110/120v high voltage into 12v low voltage with the aid of a transformer. 120v: known as high voltage, line voltage, standard voltage or 110v/120v/130v.
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The phase difference between the current and voltage of LCR circuit in series combination at resonance is. ... For resistive circuit φ=0∘.
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The voltage is the amplitude of the wave. Like DC power, AC requires a potential difference to do work. ... For 240V circuits, the potential difference is between two hot wires that are 180° out of phase (see Figure 1). Because we only measure across two wires, both 120V and 240V are referred to as single-phase power.
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How much voltage on two phase line? - Quora. But, for the US (and North America..) Each line carries 120 volts (+/-) with the phase on each of the two current wires 180 degrees apart.
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What is the difference between single-phase and three-phase power supplies? Single-phase power is a two-wire alternating current (ac) power circuit. ... Three-phase power is a three-wire ac power circuit with each phase ac signal 120 electrical degrees apart.
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In balanced Δ circuits, the line voltage is equal to phase voltage, while the line current is equal to phase current times the square root of 3.
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The voltage between the two legs (called phase to phase or line to line) is 240V and the phase to neutral voltage is 120V. The 120/240 notation identifies the phase to neutral voltage followed by the phase to phase voltage. Some list the phase to phase voltage first so it may also be called 240/120 single phase.
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120/208V single phase is derived from 208V three phase power. ... Since the two waveforms peak at different times, the combined power you get from them is less than the numerical sum of the two. When one waveform is at its peak, measuring 120V, the other is only part of way through its cycle, measuring only 88V.
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Phase rotation is also known as phase sequence. In a three-phase system it is nominally the direction of rotation of the three phases. ... Phase displacement can refer to power factor - the difference in time between the peak of one measured quantity and another (usually voltage and current).
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Definition: The phase difference between the two electrical quantities is defined as the angular phase difference between the maximum possible value of the two alternating quantities having the same frequency. ... Therefore, they are said to have the phase difference of angle φ.
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In a 1 phase rail (or 1 circuit rail) the electricity runs between just two wires, the phase (L for line) and the neutral wire (N). ... 3 phase rails have three phases (L1, L2, L3), which can be combined separately with the neutral wire (N). This creates the possibility to have three different circuits on your track.
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the "ground" terminal is always the zero-volt reference point. ... In that case, the negative voltage terminal is at a lower voltage than "ground". If you're working with a single power supply, then your negative voltage terminal is probably the same as "ground". "ground terminal" is a very specific and unambiguous term.
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Phase current is the current through any one component comprising a three-phase source or load. In balanced “Y” circuits, the line voltage is equal to phase voltage times the square root of 3, while the line current is equal to phase current.
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The voltage and the current in the purely resistive circuit are in phase with each other having no phase difference with phase angle zero. The alternating quantity reaches their peak value at the interval of the same time period that is the rise and fall of the voltage and current occurs at the same time.
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Line current is the current through any one line between a three-phase source and load. Phase current is the current through any one component comprising a three-phase source or load.