Electromagnetic Interference: To control ON/OFF operation of ac devices we can use electromagnetic relay. This relay has both normally open and closed contacts. When a current is passed through the…
Types of LCD Displays: The Types of LCD Displays are one of the most fascinating material systems in nature, having properties of liquids as well as of a solid crystal.…
IC 1408 DAC Pin Diagram: The IC 1408 DAC Pin Diagram is an 8 bit R/2R ladder type D/A converter compatible with TTL and CMOS logic. It is designed to…
Interfacing 8251 with 8085: Fig. 14.44 shows the Interfacing 8251 with 8085 in I/O mapped I/O technique. Here, RD and WR signals are activated by CPU when IO/M signal is…
Features of 8051 Microcontroller: The Features of 8051 Microcontroller family are as follows. 1. Single-supply +5 volt operation using HMOS technology. 2. 4096 bytes program memory on-chip (not on 8031).…
Introduction to Static Relays Articles: Characteristic Functions of Protection Relay : Characteristic Functions of Protection Relay elements using different operating principles. These principles and design criteria determine how well the…
Introduction to Protective Relays Articles: Basic Ideas of Protection Relay: Basic Ideas of Protection Relay should ensure the availability of electrical energy without interruption to every load connected to the…
Voltage Control in Power System Articles: Voltage Control Method in Power System: In a modern power system, electrical energy from the generating station is delivered to the ultimate consumers through…