Stroboscope: Working Principle, RPM Measurement, Types and Uses
A stroboscope is an instrument that lights a moving object with short, regular flashes. When the flash rate equals the rate at which the…Read More →
Electrical & Electronics
Electrical and electronics engineering: motors and starters, circuit breakers, power electronics devices, diodes and the history of electricity.
Who Invented Electricity? A Timeline of the People Who Discovered It
Nobody invented electricity: it is a natural phenomenon, seen in lightning, static sparks and the nerves in our bodies, that was discovered and understood…Read More →
Honeywell XNX Universal Transmitter: Basics, Uses and Applications
The Honeywell XNX Universal Transmitter is a fixed-point gas detection transmitter that accepts any of Honeywell’s industrial gas sensor technologies on one flameproof platform…Read More →
Kirchhoff’s Laws: KCL and KVL Statement, Applications and Solved Example
Kirchhoff’s current law (KCL) states that the algebraic sum of currents at any junction of a circuit is zero, and Kirchhoff’s voltage law (KVL)…Read More →
Eddy Current: Working Principle, Loss Formula, Advantages and Applications
An eddy current is a closed loop of electric current induced inside a solid conductor when the magnetic flux through it changes. Faraday’s law…Read More →
RTU (Remote Terminal Unit): Definition, Functions, Parts and RTU vs PLC
RTU stands for Remote Terminal Unit. It is a microprocessor-based field device in a SCADA system that reads sensors and meters at an unmanned…Read More →
SCADA Full Form: Supervisory Control and Data Acquisition Explained
The full form of SCADA is Supervisory Control and Data Acquisition. It is a control system architecture that collects measurements from equipment spread over…Read More →
Thevenin’s Theorem: Statement, Steps, Solved Example
Thevenin’s theorem states that any linear two-terminal circuit, however complicated, behaves at its terminals exactly like a single voltage source Vth in series with…Read More →
Power Transistor in Power Electronics: BJT, MOSFET and IGBT
A power transistor is a transistor built to switch or control large currents (from a few amperes to thousands in modules) at high voltages…Read More →
Thyristor in Power Electronics: Construction, Working, V-I Characteristics and Types
A thyristor is a four-layer PNPN semiconductor switch with three terminals (anode, cathode and gate) that blocks voltage in both directions until a small…Read More →
DOL Starter (Direct-On-Line Motor Starter): Working, Parts and Uses
A DOL (direct-on-line) starter connects a three-phase induction motor directly to the full supply voltage in one step. It is the simplest and cheapest…Read More →
MCB Full Form: Miniature Circuit Breaker Working, Parts and Trip Curves
MCB stands for Miniature Circuit Breaker. It is an automatic switch that cuts off a circuit when the current goes above a safe value,…Read More →