Power Quality Teaching Tool - Power Standards Lab

Rev 3.0.4

Single-phase distortion, power triangles, vector-based phase shift during voltage sags, waveforms with phase-sequence vectors, additional translations, and more. Includes English and the following languages:

Traducción español de Francisco Patxi PAZOS
Traduction française par Georges SIMARD
Deutsche Übersetzung von Stefan FASSBINDER
Traducere în româna de Mircea CHINDRIS
Tradução Português por Bianco SANTANA and Paulo F. RIBEIRO
Polski T³umaczenie Roman TARGOSZ
Traduzione italiana a cura di Antonio BRACALE e Daniela PROTO
Svensk översättning av Mats / Gustav HÄGER

Trouble with downloading or installing?

It may be your system’s security settings. Some networks do not permit you to download an executable file (.exe).

Tested on Windows 95, Windows 98, and Windows XP. (For hints on Windows 2000, see the PQToyREADME.txt.)

Making copies for students, colleagues

FREE copying. There are absolutely no restrictions on copying and distributing this program. Please feel free to make as many copies as you like, give copies away, post a copy of the installation program on your web site, etc.

Sags and Dips

Play with voltage sags, and see in real-time how your sag affects single-phase and three-phase supplies
Knobs for adjusting power supply parameters, load, source impedance
Real-time display of volts, amps, unregulated voltage, regulated DC
NEW – grab the ends of vectors during voltage sags, and slide them around

Harmonics Primer

An intuitive harmonics simulator
Just adjust the amplitude and phase angle knobs for each harmonic, and immediately see the effect on the waveform
The sliding cursor makes it very clear what we mean when we say “add up the sine waves”

Harmonics Power Flow

A crystal clear graphic explanation of why harmonic currents increase volt-amps, without increasing power transfer

Harmonic Sequences

Intuitive, graphical explanation of harmonic sequencing for balanced three-phase systems

Fundamental Power Flow

On-screen knobs for dialing in current, voltage, and phase angle
Interact in real time with instantaneous volts, amps, power, power triangle with VA, W, VAR, PF, and more. Drag the waveform cursor left and right to demonstrate that the power waveform is simply the instantaneous voltage waveform multiplied by the instantaneous current waveform
Try dragging around the vertex of the power triangle to see what happens

Symmetrical Components

An animated, interactive way to understand unbalanced three-phase systems, and how positive-sequence and negative-sequence vectors work
Knobs for adjusting amplitude and angle of +, -, and 0 sequence vectors
Real-time effects of vectors, and vector sums
Corresponding sine waves shown as well

Distortion

Knobs let you adjust resistive and inductive impedance
See how distorted currents affect the voltage waveform
Includes resonance, with knobs to adjust resonant frequency and Q

Flicker

Knobs let you control the frequency and amplitude of flicker on your PC display screen
Check out the difference between looking at the screen directly, and watching it with you peripheral vision
Are you more sensitive to a particular flicker frequency?

Join Our Email List!