Experiments with Three-Phase Power Introduction: Grounds These lab exercise require a 3-Phase voltage source that can output 12V p-p per phase and a current of at least 100mA rms per phase. When making measurements it is important to know if the power supply and test equipment share a common ground or if they are isolated.
May 30, 2016 · Hi I'm really new to electronics so sorry if my question has an obvious answer, I started using LTSpice today and i've spent far to long trying to figure out why my circuit has a decreasing (increasingly negative) phase angle between Vs an I as i increase the frequency of the source? ECE 240 – Electrical Engineering Fundamentals PSPICE Tutorial #9 Using Sinusoidal Inputs in PSPICE In this tutorial, we will review the use of PSPICE to simulate a circuit with a sinusoidal input. May 12, 2017 · For this analysis, LTspice takes it to be a sine source, so if you want to simulate a cosine wave you need to add (or subtract) a 90° phase shift. Note that the phase angle if left unspecified will be set by default to 0° EXP When LTspice calculates initial conditions for voltage sources, it uses the values at time = 0. Depending on the starting phase angle and delay specified for a sine source, this can be as much as the voltage at the peak of the sine wave.
Frequency Response with LTspice IV ... is the magnitude axis while the right vertical axis is the phase angle axis. The magnitude and phase can be graphed in
LTSpice to find Power and energy Press down ALT and put the cursor on R1 (You will See a thermometer icon) and click You will get the power data as shown Press down CTRL and place the cursor on V(N001)*R1 as shown and click You will get the window like this Sajjad Haidar +- Initially, we explored the idea of three-phase power systems by connecting three voltage sources together in what is commonly known as the “Y” (or “star”) configuration. This configuration of voltage sources is characterized by a common connection point joining one side of each source ...