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Ideal TX V2

Added Jul 14, 2012 by SuzieQ in Engineering

The secondary voltage of an ideal transformer is calculated using primary voltage, primary turns and secondary turns

Practical Voltage Source

Added May 8, 2011 by SuzieQ in Engineering

The Voltage-Load Current Characteristic plotted from open circuit voltage, internal impedance and maximum load


Symmetrical Components

Added Apr 29, 2011 by SuzieQ in Engineering

Zero, positive and negative sequence components for A phase are calculated from voltage phasors expressed in rectangular form. Used for fault calculations in three phase power systems.

Inductive Current

Added Apr 20, 2011 by SuzieQ in Engineering

Total impedance, current magnitude and angle are calculated for a series resistor-inductor circuit


Capacitive Current

Added Apr 20, 2011 by SuzieQ in Engineering

Total impedance, current magnitude and angle are calculated for a series resistor-capacitor circuit

Resistor Inductor in parallel

Added Apr 20, 2011 by SuzieQ in Engineering

Total current and angle calculated for resistor and inductor in parallel


Resistor Capacitor in parallel

Added Apr 20, 2011 by SuzieQ in Engineering

Total current and angle calculated for resistor and capacitor in parallel

Capacitive Reactance

Added Apr 19, 2011 by SuzieQ in Engineering

Impedance of a capacitor is calculated from frequency and capacitance


Inductive Reactance

Added Apr 19, 2011 by SuzieQ in Engineering

Impedance of an inductor is calculated from frequency and inductance

Star 2 Delta

Added Apr 17, 2011 by SuzieQ in Engineering

Equivalent delta impedances calculated from complex star/wye connected impedances


Delta-Star

Added Apr 17, 2011 by SuzieQ in Engineering

Enter impedances in delta connection to transform to star or wye connection. Labels are at http://susanlopes.files.wordpress.com/2011/02/stars.jpg http://susanlopes.files.wordpress.com/2011/02/deltas.jpg

Sinewave from f&Vrms

Added Apr 14, 2011 by SuzieQ in Engineering

The sinewave is plotted for a given rms voltage and frequency


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