Parallel RLC Load (Power System Blockset)

Power System Blockset

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Parallel RLC Load

Examples See Also

Implement a linear parallel RLC load

Library

Elements Library

Description

The Parallel RLC Load block implements a linear load as a parallel combination of RLC elements.

Dialog Box

Enter the value of the nominal voltage and nominal frequency in the first two entries. Enter the desired active power, the inductive reactive power, and the capacitive reactive power in the last three entries. The inductive and capacitive reactive powers should be positive values. At the specified frequency, the load will exhibit a constant impedance and its power will be proportional to the square of the applied voltage. Only elements associated with nonzero powers will be displayed in the block icon.

Example

Find the steady-state values of load voltage and current in the following circuit. This example is available in the psbparalload.mdl file.

Drag the Powergui block from the powerlib library into your circuit. Double click on the Powergui icon and output the voltage and current phasors by clicking on the Steady state button.