Please Log in or Register for more.

Is there a 220v three phase?

91 views

1 Answer

Answer :

No,its single phase 

Like 0 like

Please log in or register to answer this question.

Related Questions


If 1-phase voltage is 220V, why is 3-phase 440V and not 660V ?
Last Answer : Phase voltage =220v /( phase to neutral) Line voltage = 380 v ( phase to phase) Phase angle difference 120° So when two phases reach vmax +ve I.e. (+220v) + (+220v) = 440v that time due ... these event happen very fast. Hence we have 440 v only in three phase motor. √3.phase voltage= 380 v.

Show More

373 views 4 answers







A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited. Then (A) Both eddy current and hysteresis losses decreases. (B) Both ... same but hysteresis loss increases. (D) Eddy current loss increases but hysteresis loss remains the same.
Last Answer : (A) Both eddy current and hysteresis losses decreases.

Show More

73 views 1 answer







If a 220/440 V, 50 Hz, 5 KVA, single-phase transformer operates on 220V, 40Hz supply with secondary winding open circuited: (A) both the eddy current and the hysteresis losses will decrease ... losses will increase (D) eddy current losses will increase but the hysteresis losses will remain the same
Last Answer : If a 220/440 V, 50 Hz, 5 KVA, single-phase transformer operates on 220V, 40Hz supply with secondary winding open circuited: both the eddy current and the hysteresis losses will decrease

Show More

603 views 1 answer







If the no load voltage of a certain generator is 220V and the rated load voltage is 200V, then the voltage regulation is: a. 1% b. 10% c. 20V d. 9%
Last Answer : If the no load voltage of a certain generator is 220V and the rated load voltage is 200V, then the voltage regulation is: a. 1% b. 10% c. 20V d. 9%

Show More

418 views 1 answer







A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V. If the same machine is run as a motor it takes a line current of 20A from 220V supply. The speed of the ... rpm) will be:  (A) 800 (B) more than 800 (C) less than 800 (D) none of the above

Show More

172 views 0 answers







In three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than ohter two pin? what its purpose ?
Last Answer : Because Current flow in the conductor is inversely proportional to the conductor diameter. So if any short circuits occur in the system first high currents bypassed in the Earthling terminal.( R=Pl/a area of the conductor increases resistance value decreases)

Show More

4 views 1 answer







Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains? a. 40 W bulb b. 60 W blub c. 100 W blub d. all will burn equally brightly
Last Answer : a. 40 W bulb

Show More

39 views 1 answer







Can I use this electrical AC cord in Europe where its 220V?
Last Answer : The plugs are a different shape in Europe. If you go to Radio Shack, they will sell you a plug adaptor kit and and a voltage converter.

Show More

0 views 1 answer







What happens if I plug a surge protector into a 220V outlet?
Last Answer : I think you should read this first: http://www.gson.org/stepdown/

Show More

0 views 1 answer







Will a 220v air conditioner raise my electric bill more than a 110v?
Last Answer : Yes. The 220 volt AC unit pulls more energy then a 110 volt. It basically draws double the power. It needs more elctricity to power it's internal componants.

Show More

0 views 1 answer







What FCN was implemented to avoid reactor trip on 220V-DC failure of PHT and PPP breakers?
Last Answer : The breaker close position supervision relay VAA 21 is changed by VAJC type, contacts position do not change if 220V-DC is lost now.

Show More

2 views 1 answer







When 220V dc shunt alternator generating the voltage at rated value. If direction of rotation is reversed, then alternator will a) Build up its voltage with same polarity b) Build up its voltage with opposite polarity c) No build up of voltage d) None
Last Answer : Ans: No build up of voltage

Show More

26 views 1 answer







A transformer steps down 220V to 40 volts. If the secondary turns are 40 then primary turns will be: a. 20 b. 40 c. 120 d. 220
Last Answer : d. 220V

Show More

59 views 2 answers







Turn ratio of a transformer is 5. If 220 V AC is applied to its primary coil, voltage in the secondary coil will be: a. 44V b. 4.4 V c. 220V d. 1100V
Last Answer : c. 220V

Show More

61 views 1 answer







A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V. If the same machine is run as a motor it takes a line current of 20A from 220V supply. The speed of ... . (B) more than 800 rpm. (C) less than 800 rpm. (D) both higher or lower than 800 rpm.
Last Answer : (C) less than 800 rpm.

Show More

51 views 1 answer







An electric iron designed for 110V AC supply was rated at 500W. It was put across a 220V supply. Assuming that at 110V it supplied 500W output (i.e no losses) at the new voltage it will supply  a. 2500W b. 250W c. 500W d. 2000W

Show More

176 views 0 answers






Show More⇦ PreviousNext ⇨