# What is the difference between line and phase voltage?

What is the difference between line and phase voltage?

Line voltage  is  voltage  between two  phases R &Y  (415 v)  while  phase  voltage  is  the  voltage  between  one  phase and  a neutral  B &  N   (240 v).

## Related questions

Description : What is the difference between line and phase current?

Answer : The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current

Description : What is the difference between a line voltage and low voltage control system?

Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.

Description : Write the relation between phase and line current, phase and line voltage for Star connection.

Answer : Line voltage is equal to root three times of phase voltage and line and phase currents are equal in star connection

Description : What is line voltage and phase voltage? Draw balanced three phase star connected system. Show all the voltages and currents.

Description : What is the voltage in 3 phase line?

Answer : between 430 to 440 v

Description : The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that?

Answer : The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that both waves must have same frequency.

Description : The power consumed in a circuit element will be least when the phase difference between the current and voltage is?

Answer : The power consumed in a circuit element will be least when the phase difference between the current and voltage is 90°.

Description : When the phase difference between two sinusoidal quantities is 90° they are said to be ______ A) Phase right angle B) Phase quadrature C) Phase sinuright D) None of these

Answer : When the phase difference between two sinusoidal quantities is 90° they are said to be Phase quadrature

Description : What is the difference between a cable and a conductor?

Description : What is the difference between relay and contactor?

Answer : Relay have smaller ratings. Contactor is a high rating relay.

Description : What is the difference between BJT and FET?

Answer : BJT  is  a  current  opperated   transistor  while  FET   is  a  field   opperated  transistor.

Description : What is the difference between a soft start and a VFD?

Description : What is the difference between an AC and DC generator?

Answer : The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.

Description : What is the difference between synchronous and asynchronous generator?

Description : What is the difference between synchronous and asynchronous motors?

Answer : The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed.  And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.

Description : What is the difference between eddy current and hysteresis loss?

Answer : Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses

Description : What is the difference between an anode and a cathode?

Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.

Description : What is the difference between an insulator and a dielectric?

Answer : Dielectric is the another name for insulator.

Description : What is the difference between a sensor and a transducer?

Description : What is the difference between microcontroller and ARM processor?

Description : What is the difference between a microcontroller and a microprocessor?

Answer : Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC  6)less multifunction Pins on IC.

Description : What is the difference between a mesh and a loop?

Description : What is the difference between an ECU and an ECM?

Description : What is the difference between DFT and FFT?

Description : What is the difference between AC and DC drive?

Answer : AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz

Description : What is difference between computer engineering and computer science?

Description : What is the difference between analog and digital electronics?

Description : What is difference between KW and KVA?

Answer : kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.

Description : What is the difference between linear and nonlinear electrical loads?

Description : What is the difference between a blackout and brownout?

Description : What is the difference between beta and forced beta for BJT?

Description : What is difference between Star and Delta Connection?

Answer : Star is        1. Open ckt       2. At center point present  neutral   Delta is     1.   Closed ckt 2.      Neutral not present in this case

Description : What is the difference between a counter and a timer?

Answer : Counter counts only when the trigger is applied and timer counts continuously with some equal delay.

Description : What is the difference between renewable and nonrenewable energy sources?

Answer : Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like  coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.

Description : What is the difference between a switch and a relay?

Answer : Switch is simply a mechanical contact mechanism and relay is a electromagnetic switch . Switch can be direct mechanically turn on and off but relay can be operated by energising coil .

Description : What is the difference between a coil and an inductor?

Answer : Inductor is covering with insulating material is called coil.so they differentiate between coil and inductor.

Description : What is the difference between forward and reverse bias?

Answer : Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.

Description : State the difference between energy conservation and energy audit.

Answer : energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.

Description : Describe the difference between direct and alternating current.

Answer : Direct current is the flow of electricity or charge in one direction..  Alternative current is the flow of charge that doesn't flow in one direction.

Description : Describe the difference between an open circuit and a short circuit.

Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

Description : Write difference between absolute & secondary instrument.

Answer : Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.

Answer : A differential relay measures the vector difference between two or more similar electrical quantities.

Answer : The inductive interference between power and communication line can be minimized by transposition of the power line, transposition of the communication line.

Answer : The interaction between a transmission line and communication line is minimized by transposing transmission as well as communication lines, increasing the height of the transmission line tower, increasing the distance between the two lines.

Description : For a balanced three phase star connected load for which line voltage is 230V and per phase resistance and reactance is 6 Ohm and 8 Ohm respectively. Calculate: 1) phase voltage 2) line current 3) power factor 4) total power absorbed

Description : For 11kV line the inductance per km per phase will be of the order of:  (A) 1 H (B) 0.1 H (C) 1 mH (D) 0.1 mH

Answer : For 11kV line the inductance per km per phase will be of the order of: 1 mH

Answer : Reactance relay is preferred for phase fault on short transmission line.

Answer : Impedance relays are used for phase faults on long line.

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