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What else can I help you with?
What is role of neutral in three phase system?
In a three phase system, connected wye, neutral is the common return, and it is grounded. In a delta connection, there is no neutral.
Is it possible to connect 3 phase 440 V without neutral line to the machine having 3 phase 4 wires with neutral line?
No, it is not possible to connect a 3-phase 440 V system without a neutral line to a machine that requires a 3-phase 4-wire connection with a neutral line. The neutral line must be present in both systems for proper operation and safety. Trying to connect them without the neutral line could cause damage to the machine and pose a safety hazard.
What is the difference between a neutral wire and a hot wire?
In alternating-current systems, we don't have a 'positive' and a neutral conductor, but a 'line' and a neutral conductor.The neutral conductor is connected to the earth and, so, has a potential of approximately zero volts.The line conductor, on the other hand has a potential of approximately 230 V (in Europe) or 120 V (in North America) with respect to the neutral conductor. For this reason, line conductors are frequently referred to as being the 'hot' conductor.
What do the electrical symbols L and N and A stand for when referring to live and neutral etc?
line neutral amperage
Can you read 120 volts line to neutral even with a severed neutral?
It depends on what side of the break that you are reading from. On the neutral load side of the break there will be no reading. On the panel neutral side of the break you will get a reading.
How many conductoers are there in single phase line?
Three: Live, Neutral and Earth
Why is an NFL goal line pylon out of bounds?
The goal line is marked inbounds, but extends beyond the in bounds line. The pylon is the point at which the goal line is out of bounds. It is used by the sideline officials (usually deep wings: FG & SG) to determine when a touchdown is scored or not on plays that are at made at one of the four corners of the endzone. In the NFL, the ball has to be inside the pylon when running into the endzone to be considered a touchdown. In the NCAA starting this year (2012), and part of the player can touch the pylon and as long as the ball is inside the goal line extended (extending into the out of bounds area), to be considered a touchdown. In high school, the ball has to cross the goal line extended to be considered a touchdown.
What is voltage between earth and line?
In a typical residential situation there is 220 to 240 volts between the two hot wires that are typically red and black and 110 to 120 volts between neutral and either black or red. The voltage between neutral and earth should be zero.
During a kickoff if the ball hits the pylon at the goal line is this a penalty or a touch-back?
it is a touchback
What is a 5 letter word for power line tower?
I think it is Pylon,And 5 words are good.
How can move the train with one transmission line?
There are always two. Live in the overhead line and neutral/earth in the tracks in contact with the wheels.
What does a hot terminal do?
A 'hot' terminal is a slang expression for the line terminal of an AC supply. In Europe, for example, a single phase supply to a building has three conductors: line conductor, neutral conductor, and protective (earth) conductor. The line conductor has a potential of 230 V with respect to the neutral; the neutral conductor is at approximately the same potential as the earth conductor. In North America, there are two line conductors, which are at 240 V with respect to each other, and at 120 V with respect to the neutral.
What is meant by neutral grounding reactor?
Neutral-earthing reactors or Neutral grounding reactors are connected between the neutral of a power system and earth to limit the line-to-earth current to a desired value under system earth fault conditions.
Can an electrical short be caused a phase to a phase?
It could be a phase to phase, ph to neutral or earth fault. In single ph wiring ph to ph exhibits no short ckt faultAnswerYes, but you have got the terminology wrong. There is no such thing as 'phase-to-phase', the correct term being 'line-to-line'. So you can have a short circuit as a result of a line-to-line fault, a line-to-neutral fault, or a line-to-earth fault.
What are live and neutral and earth wires for?
The correct term for the 'live' conductor is the 'line' conductor. The line conductor has a potential of 230 V (in UK) with respect to the neutral conductor which is at approximately the same potential as earth. This potential difference provides the 'driving force' for the current drawn by the load.
What is neutral to ground fault?
Neutral, by definition, is grounded at the distribution panel, and also at the distribution pole. That is how the hot to ground voltages are prevented from exceeding their normal voltage and encroaching on truly lethal voltages, such as 7.6kV in a typical US 13.2kV system, in a wye configuration.Note: and this is critical, do not depend on the fact that neutral is grounded and consider that it is the same as protective earth ground. It is not. Protective earth ground is a different wire.
What is the rule for a touchdown in the NFL?
The NFL set precedence on December 14, 2008 on what a touchdown reception is. Typically, it is when any part of the ball, legally in possession of a player inbounds, breaks the plane of the opponent's goal line, provided it is not a touchback or when the ball is touched on the pylon before a player goes out of bounds. Apparently, now, it is when the players feet are both in the end zone and the ball is in their possession, but does not break the plane of the opponent's goal line. According to a Google search, the rule regarding pylon touchdown dives was revisited and clarified. Previously, a player just had to have some portion of his body over the goal line or pylon to count a touchdown, but the rule was revised for 2007 to make it necessary to have the ball touch the pylon or break the plane above the pylon to count as a touchdown.
