1. A serios/parallel resistive circut appears as what kind of load to a power source? a multiple b. single series d. parallel 2. The first step in calculating the total resistance of a series/paralle resistive circult is to a find a single equivalent resistance b. combine all the series voltagot. c. find the equivalent resistance of the parallel branch d. calculate the total clecut current 3. Refer to Figure 9-19:#-R3 opened, what would total circuit resistance be? 15300 b. 3000 8000 d. 11300 Figure 9-19. A seriesperated relative circul 4. The roolproaal mathod for finding an equivalent resistance is usually used in a a parallel branch with more than two resistors b. parallel branch with two resistors c. series/parallel branch with more than two resistors d. series branch with more than two resistors 5. Voltage in a series/parallel resistive circuit is a. Increased as total resistance increases b. distributed across each circult component. e determined by the product-over-sum method. d. equal to the voltage drop of the parallel branch
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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