What is the meaning of line to line voltage in a wye connected system?

  • Thread starter Thread starter ISU20CpreE
  • Start date Start date
  • Tags Tags
    Power Systems
AI Thread Summary
Line-to-line voltage in a wye-connected system refers to the voltage measured between two phases, as opposed to line-to-neutral voltage, which is measured from a phase to the neutral point. In this context, the line-to-line voltage is specified as 5KV at the load. The discussion highlights the distinction between power types, noting that KW represents real power while KVAR represents reactive power, which is stored and not usable. The different units of consumption reflect the nature of the loads: resistive, inductive, and capacitive. Understanding these concepts clarifies the operation of three-phase systems and their power characteristics.
ISU20CpreE
Messages
67
Reaction score
0

Homework Statement



The 3Phase loads are connected in parallel.
L1(Purely Resistive) consumes 300KW. Connected in wye!
L2(Purely Inductive) consumes 300KVAR. Connected in wye!
L3(Purely Capacitive) consumes 300KVAR. Connected in wye!

The part I don't understand is the following: LiNE to LiNE Voltage is 5KV at the Load.
My question is brief. I am trying to find out what does it mean by line to line voltage, in a wye connected

Also why are the units of consumption of the different loads different. I mean KW and KVAR's, or are they not different?

Thank you for the time applied to this question.
 
Last edited:
Physics news on Phys.org
KW (kilo-watts) is Real Power as opposed to KVARS (kilo-voltamperes-reactive). The reactive power is power that is stored in the capacitance or inductance of a system, and is unavailable for use.

In a Y, the central point of the Y would be neutral, and line-to-line means the volage/current between phases, as opposed to line-to-neutral.
 
Thank you!

Astronuc said:
KW (kilo-watts) is Real Power as opposed to KVARS (kilo-voltamperes-reactive). The reactive power is power that is stored in the capacitance or inductance of a system, and is unavailable for use.

In a Y, the central point of the Y would be neutral, and line-to-line means the volage/current between phases, as opposed to line-to-neutral.

Thank you for the help. I actually got everything done just those little details that I tried to find yesterday desperately. Thanks again.
 
Back
Top