If single phase voltage level is 230V than why three phase
voltage level is not 660V ?, but it is only 440V.
Answer Posted / ashok kumar
In single phase
single phase voltage =phase voltage , but in three phase
line voltage =sq. root of phase voltage (i.e V
line=1.732x240 =415 vol.)
| Is This Answer Correct ? | 156 Yes | 18 No |
Post New Answer View All Answers
what is the isolation transformer. what is the isolator?
what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value
what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R
How eddy current generation support the idea of train braking?
Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
what is the use of the circle diagram
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
How can we calculate cable size in Low voltage & high voltage
What is an 86-P or an 86-A trip
What is the meaning of HT Trivector Meter ?
a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
What is Phase margin?
what are the factors to be considered while design the breaker either HT or LT??