Vac 10Vrms 20kHz 0° X₁ L4 4.7mH R3 4700 Fig. 7 Parallel RL test circuit using one inductor Calculate X₁T (X₁X₁4-27fL₁ ) and R₁. Record your results in table 7. Note: Show your calculations. Use impedance formula to solve for the total current Z = √R² + X² , (CALCULATED), IMEASUREDI
Load flow analysis
Load flow analysis is a study or numerical calculation of the power flow of power in steady-state conditions in any electrical system. It is used to determine the flow of power (real and reactive), voltage, or current in a system under any load conditions.
Nodal Matrix
The nodal matrix or simply known as admittance matrix, generally in engineering term it is called Y Matrix or Y bus, since it involve matrices so it is also referred as a n into n order matrix that represents a power system with n number of buses. It shows the buses' nodal admittance in a power system. The Y matrix is rather sparse in actual systems with thousands of buses. In the power system the transmission cables connect each bus to only a few other buses. Also the important data that one needs for have a power flow study is the Y Matrix.
Types of Buses
A bus is a type of system of communication that transfers data between the components inside a computer or between two or more computers. With multiple hardware connections, the earlier buses were parallel electrical wires but the term "bus" is now used for any type of physical arrangement which provides the same type of logical functions similar to the parallel electrical bus. Both parallel and bit connections are used by modern buses. They can be wired either electrical parallel or daisy chain topology or are connected by hubs which are switched same as in the case of Universal Serial Bus or USB.
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![Vac
10Vrms
XL
~20kHz
0°
Fig. 7 Parallel RL test circuit using one inductor
Calculate X₁T (X₁=X₁4 = 2nfL4 ) and R₁. Record your results in table 7.
Note: Show your calculations. Use impedance formula to solve for the total current
Z = VR² + X²
L4
4.7mH
Table 7
Calculate the current flowing through L4 (4=V₂XLT) and R3 (In3 = V/RT). Record your
results in table 7.
XLT
Using ohms law and impedance (IT = V₁/Z), calculate the total circuit current [ Incalculated) =
(In4²+I3²)]. Record your results in table 7.
4
R3
4700
Measure Ir. Record your result in table 7. Do the calculated and measured values of I, agree?
Explain the reason for your answer.
Z
Copy the values of X₁T and measured from table 7 to table 8 (under the column for parallel
with a single inductor).
I, (CALCULATED), IMEASUREDI
PARALLEL RL
CIRCUIT WITH A
SINGLE INDUCTOR
Table 8
PARALLEL RL
CIRCUIT WITH
TWO INDUCTORS
Determine the circuit impedance (Z = V₁/Ir). Record your result in table 8 (left column).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F274b3a0f-b84a-4b4c-8ed8-41df9c64d344%2F969c072e-71d5-4347-9b31-869c62fa5d93%2F2o0pvs4_processed.png&w=3840&q=75)
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