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Why you multiply by square root of 3 for phase?
In electrical engineering, multiplying by the square root of 3 is often used when converting between line-to-line and line-to-neutral voltages in three-phase systems. The factor arises from the geometry of a balanced three-phase system, where the line-to-line voltage is √3 times greater than the line-to-neutral voltage. This relationship helps in calculating the correct phase values when analyzing or designing three-phase circuits. Thus, it ensures that the power calculations and voltage levels are accurately represented.
What is the answer to power line 1 level 5?
Well The answer is across is 6, 5, 2, and Down Is 3, 5, 4, 1 Then press next level and there you are! :D
What is the proof line current is equal to square root of 3 times of phase currents?
In a three-phase system, the line current (I_L) and phase current (I_Ph) relationship can be derived from the configuration of the system. For a balanced load in a star (Y) connection, the line current is equal to the phase current (I_L = I_Ph). In a delta (Δ) connection, the line current is equal to the phase current multiplied by the square root of 3 (I_L = √3 * I_Ph) due to the geometry of the connections and the phase angle relationships, resulting in the factor of √3 that arises from the 120-degree phase shifts between the currents. Thus, for a delta connection, the line current is greater than the phase current by that factor.
What is conduction angle in SCR?
The conduction angle in an SCR is the phase angle relative to the power line at which point the gate is fired to commit the anode to conduct to the cathode. By varying the conduction angle, you can change the average power transferred by the SCR.
What is the line voltage between two lines?
the voltage between 1 line & phase =120v The voltage between 2 line =240
Write dowen the relationshipbetween line and phase the 3phase system if voltageline and currentline are line value voltage power and current power are phase value?
A-for star connectionE(line)=1.73E(Phase)I(line)=I(Phase)&B-for delta connectionE(line)=E(Phase)I(line)=1.73I(Phase)
Is 220V line voltage or phase voltage?
Phase, if you are referring to line, as power line from pole.
How do you get passed level 3 on power line phase 1?
across: 4,3,5 down: 6,3,2,1 hope it works
What is the answer to the game power line on level 2 in phase 2?
dont cross the street without looking both ways
Is transmission voltage a phase to phase voltage or a phase to ground voltage?
Phase to Phase voltageCorrection to the above answer:There is no such thing as a 'phase-to-phase' or 'phase-to-ground' voltage. The correct terms are 'line-to-line' (or 'line voltage') and 'line-to-ground' (or 'phase voltage'). Transmission-line voltages are line-to-line (or 'line') voltages.
If an industrial customer of an electrical power company connects a large single phase load to a three phase power line then every user on that power line will have unbalanced power explain why?
A 'balanced' three-phase load, by definition, is one in which the load connected in each phase (either line-to-line or line-to-neutral) is identical in all respects. A single load, clearly, doesn't comply with this definition.
How do you tell if you have delta or wye power?
In Europe, low-voltage three-phase distribution is by means of a four-wire system (three line conductors and a neutral) supplied from a wye-connected transformer secondary. In North America, low-voltage is supplied from a delta-connected transformer secondary, one phase of which is centre-tapped and earthed (grounded). The single-phase supply to residences is then supplied by that particular phase, giving 240 V line-to-line and 120 V line-to-neutral. You can tell if you have a delta power when the phase voltage is equal to the line voltage and that you have a star power when the phase voltage =root 3(THE LINE VOLTAGE).
What condition to deliver the power when alternator generating a different value of voltage not exactly in phase with the power line?
The phase sequence must be the same "ElectEng 309 ;-)"
A 100 amp 3 phase power supply is good for how many total amps?
100 amps to a 3 phase load. Power = 100A x Voltage x 1.73 ((line to line voltage)(1.73=SQRT(3)). 173 amps to each of 3 single phase (line to line) loads. Power = 173A x Voltage (line to line voltage). or... 100 amps to each of 3 single phase (line to neutral) load. Power = 300A x Voltage (line to neutral voltage). Example: - 3 phase, 480v, 100amp to a 3 phase heater. 100A x 480V x 1.73 = 83040 watts. - 3 single phase 480v (L-L voltage) heaters, 100amp. 173A x 480V = 83040 watts. - 3 single phase 277v (L-N voltage) heaters, 100amp. 300A x 277V = 83100 watts.
What determines power?
Power = Current * Voltage * Power FactorAbove expression can further be explore as :1. For DC CircuitsPower = Current * Voltage2. For Single Phase AC CircuitPower = Current * Voltage * Power Factor3. For Three Phase AC CircuitPower = Line Current * Line Voltage * Power Factor
What is the power line voltage between phase and earthing?
It is the same as phase to neutral. As the neutral is earthed at the electricity suppliers transformer.
How do you calculate 3 phase power factor?
The power factor for a three phase generator is 80 percent. The generator consumes 36 kilowatts and a line to line voltage of 400 volts.
