Final answer:
To solve for the line current and source line voltage in a Y-connected system, total impedance is computed, Ohm's Law is applied to determine current, and voltage drop calculations are made. However, the provided question lacks specific information to complete the calculation.
Step-by-step explanation:
The student is asking about calculations involving a balanced Y-connected three-phase system in an Electrical Engineering context. The question involves solving for the magnitude of the line current and the magnitude of the line voltage at the source in a power distribution scenario. This requires the use of Ohm's Law, phasor analysis, and knowledge of AC (alternating current) circuit principles.
- Calculate the total impedance (Z_total) by adding the load impedance and line impedance.
- Use Ohm's Law (V=IZ) to find the magnitude of the line current: current I = V_line / Z_total.
- Calculate the voltage drop across the line impedance using Ohm's Law (V_drop = I x Z_line).
- Find the magnitude of the line voltage at the source by adding the voltage drop to the load voltage.
However, this particular question does not provide enough information such as the phase voltage to load or if the system voltage provided is line-to-line or line-to-neutral which are necessary to complete the calculations, hence no specific numerical answer can be provided without these data.