ADJUSTABLE SPEED AC DRIVES BEHAVIOR DUE TO VOLTAGE SAG
ADJUSTABLE SPEED AC DRIVES BEHAVIOR DUE TO VOLTAGE SAG Many adjustable-speed drives are equally sensitive to voltage sags as process …
CAUSES OF LONG INTERRUPTIONS
CAUSES OF LONG INTERRUPTIONS Long interruptions are always due to component outages. Component outages are due to three different causes: …
DIFFERENCE BETWEEN CSMA/CD AND CSMA/CA
DIFFERENCE BETWEEN CSMA/CD AND CSMA/CA CSMA/CD:Carrier sense multiple access with collision detection (CSMA/CD) is one of the most popular access …
NETWORK MEDIA AND CONNECTORS
NETWORK MEDIA AND CONNECTORS Networks are built using a topology of bus, star, or ring, but how the systems will …
GENERATOR FIRE PROTECTION
GENERATOR FIRE PROTECTION Special fire protection equipment is sometimes used to quickly extinguish fires within the generator housing. One method …
MONITORING OF SHORT INTERRUPTIONS
MONITORING OF SHORT INTERRUPTIONS As short interruptions are due to automatic switching actions, their recording requires automatic monitoring equipment. Unlike …
POWER QUALITY SOLUTIONS
POWER QUALITY SOLUTIONS There are four ways to solve power quality problems: 1- Design equipment and electrical systems to prevent …
Power Quality Problems IEEE
Power Quality Problems IEEE IEEE defined power quality disturbances into seven categories based on wave shape: 1. Transients2. Interruptions3. Sag/ …
NULL METHOD OF MEASUREMENT | Null method Definition
NULL METHOD OF MEASUREMENT A null method of measurement is a simple, accurate and widely used method which depends on …
WHAT IS A PROTECTIVE RELAY? | Types and Working
WHAT IS A PROTECTIVE RELAY A protective relay is a device that detects the fault and initiates the operation of …
