MATERIALS AND EQUIPMENT: 22-ohm resistor, 10 watt 47-ohm resistor, 10 watt 56-ohm resistor, 10 watt 68-ohm resistor, 10 watt Variable de power supply Ammeter Voltmeter Clip leads OBJECTIVES: To investigate the laws of series circuits. 2. To analyze the operation of series circuits by application of series-circuit laws. 3. To become familiar with the application of voltmeters and ammeters. 1. PROCEDURES: 1. Calculate the following for the circuit shown in Figure 5-1: the total resistance, total current, total power dissipated, and voltage drop. Now calculate the power dissipated across each resistor and record all the results in Table 5-1. Connect the circuit in Figure 5-1, and measure the total resistance. 3. Set the power supply to 24 volts and measure the voltage across each resistor. Enter the results in Table 5-1. 2. Measure the current at points A, B, C, D, and E to prove that (I, =1, =1, =1, = 1,). 4. DATA AND RESULTS: Table 5-1 R, Calculated P, E, E, E, E, P P, P, P values Measured values Ammeter 6.8 a R1 100n 24 V POWER SUPPLY 720ka RAZea9 100 L COMPUTATIONS:
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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