C2 6. Figure shows a series resistance-capacitance bridge to R1 measure the capacitor, C3 and its leakage resistance of R3. The variable capacitor, C2 and resistor, R2 is adjusted alternately to null the bridge. The values of the resistors are RA given as R1 = 22 kN and R4 = 8 kN. The power supply frequency is 120 Hz. (i) Derive the equations for C3 and R3. (ii) Calculate the values of capacitor, C3 and resistor, R3 if the bridge is balanced when C2 = 4.7 µF and R2 = 150 2. [Module Test 2, March 2021] (ii) R3 = 54.55 , C3= 12.93 µF) R4 R,C2 (Answer: (i) R3 = R2R4 C3 = R1
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.
![C2
6. Figure shows a series resistance-capacitance bridge to
R1
measure the capacitor, C3 and its leakage resistance of R3.
The variable capacitor, C2 and resistor, R2 is adjusted
alternately to null the bridge. The values of the resistors are
RA
given as R1 = 22 kN and R4 = 8 kN. The power supply
frequency is 120 Hz.
(i)
Derive the equations for C3 and R3.
(ii) Calculate the values of capacitor, C3 and resistor, R3
if the bridge is balanced when C2 = 4.7 µF and R2 = 150 2.
[Module Test 2, March 2021]
(ii) R3 = 54.55 , C3= 12.93 µF)
R4
(Answer: (i) R3 =
R2R4
C3 =
R,C2
R1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa281a88f-e75c-4b41-b00b-a805a38c352b%2Fe6fb6c64-e152-4c1e-8947-908a748f9b28%2Fybym4skt_processed.jpeg&w=3840&q=75)
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