CIRCUITOS ELETRICOS EDMINISTER PDF

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Carlos Vitor Lopes flag Denunciar. Find Leq. The loads are located at 4, 7, and 10 km from the generator and draw 50, 20, and A, respectively. The resistance of the line is 0. Find i and vAC.

Find, i, i2, and vAC. Hint: A zero voltage source corresponds to a short-circuited element and a zero current source corresponds to an open-circuited element. Find a the value of Rx and b the power delivered by the voltage source. Note that v changes proportionally with b. Compare with corresponding values obtained in Problem 3. See Fig. This produces a set of simultaneous equations which can be solved to obtain the currents. Currents I1; I2, and I3 are assigned to the branches as shown.

Other directions may be chosen for the branch currents and the answers will simply include the appropriate sign. In a more complex network, the branch current method is difficult to apply because it does not suggest either a starting point or a logical progression through the network to produce the necessary equations.

It also results in more independent equations than either the mesh current or node voltage method requires. Click Here for Terms of Use. They are sometimes referred to as loop currents. Each element and branch therefore will have an independent current. When a branch has two of the mesh currents, the actual current is given by their algebraic sum. The assigned mesh currents may have either clockwise or counterclockwise directions, although at the outset it is wise to assign to all of the mesh currents a clockwise direction.

The currents I1 and I2 are chosen as shown on the circuit diagram. In Example 4. The currents do not have to be restricted to the windows in order to result in a valid set of simultaneous.

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