EK Technologies

How to Draw A Three-Phase Waveform and Its Importance  Learn how to easily draw a three-phase AC waveform step-by-step, a fundamental skill for power electronics and power systems engineers. Discover its critical role in efficient power delivery for industrial applications and renewable energy systems. Method 1: Easiest Triangular Wave Connection to draw a three phase wave form Sketch three identical triangular waves, each spanning 360° with linear rises from 0° to 90° (peak), falls to 180° (zero), dips to 270° (-peak), and returns to 360° (zero). Label them R (rise starts at 0°), Y (rise at 120°), and B (rise at 240°); connect their outer tips externally with straight lines to approximate a continuous three-phase waveform set. This quick method visually captures 120° phase shifts without curve drawing, ideal for fast teaching or power electronics sketches. Method 2: Standard Sine Wave Drawing Plot on a time (0°-360°) vs. voltage axis: draw R-phase as a full sine wave p...

  Interfacing Relay Circuit in Proteus with Arduino Using Push Button Activation Learn how to simulate a relay circuit interfaced with Arduino in Proteus, where a push button activates switching to safely control a motor powered by a 220V AC source. What is a Relay Circuit? A relay circuit uses a relay as an electrically operated switch to control high-power loads through a low-power signal. The setup includes a relay coil powered by 5V from Arduino, a driver transistor/module, freewheeling diode for protection, and contacts connected to the load like a 220V AC motor. When energized, the coil's magnetic field closes contacts to allow current flow; de-energizing returns them via spring action. This Proteus simulation demonstrates button-activated relay control with Arduino Uno. The push button sends a low-voltage signal to toggle the relay, switching the motor while an LED provides visual status indication Key Components for Interfacing Relay Circuit ·      ...