# What is the difference between line and phase voltage?

217 views
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

134 views

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

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

120 views

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

373 views

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

414 views

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

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

131 views

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

284 views

Description : What is the voltage in 3 phase line?

Last Answer : between 430 to 440 v

788 views

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

Last 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.

1.0k views

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

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

215 views

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

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

1.1k views

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

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

111 views

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

86 views

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

230 views

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

Last 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.

89 views

Description : What's the difference between electronic and electrical

111 views

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

5.3k views

Description : Describe the difference between direct and alternating current.

Last 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.

7.9k views

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

Last 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

6.2k views

Description : Write difference between absolute & secondary instrument.

Last 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.

5.1k views

Description : What is the difference between relay and contactor?

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

162 views

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

2.7k views

Description : What is the difference between BJT and FET?

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

76 views

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

319 views

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

Last 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.

150 views

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

145 views

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

Last 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.

3.0k views

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

Last 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

134 views

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

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

118 views

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

Last Answer : Dielectric is the another name for insulator.

503 views

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

139 views

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

231 views

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

Last 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.

365 views

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

66 views

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

71 views

Description : What is the difference between DFT and FFT?

156 views

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

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

60 views

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

86 views

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

163 views

Description : What is difference between KW and KVA?

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

1.1k views

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

67 views

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

555 views

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

156 views

Description : What is difference between Star and Delta Connection?

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

359 views

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

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

331 views

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

Last 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.

114 views

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

Last 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 .

118 views

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

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

286 views

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

Last 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.

184 views

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