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  • Distribution Switchgear
    Distribution Switchgear. Covering general principles of the Switchgear function, this invaluable reference discusses topics such as interruption techniques, fault level calculations, switching transients and electrical insulation.
  • Is Electrical Switchgear Safe?
    In today's infrared community, we talk a great deal about "What is safe?" when it comes to electrical equipment and internal-arc flash. Thermographers generally assume that with the covers and doors closed, the switchgear is in a totally safe work condition. This paper explores the differences
  • Important Condition Monitoring of Switchgear
    Process industries in the core sector, such as refineries, depend upon reliable electrical power supplies for their uninterrupted operation. The overheating of switchgear equipment continues to be a factor responsible for the majority of installation failures. Almost all swtichgear standards
  • Success Stories- Vacuum Switchgear
    . In this application the Vacuum switchgear are connected to the overhead lines. or substation bus by air insulated bushings. A conductor and a shield electrode. are fixed inside the bushing. The three polo interrupters are respectively placed. inside metal enclosures.
  • 24/7 Thermal Monitoring for Switchgear (.pdf)
    For many organizations a power failure can have catastrophic economic and/or safety consequences. New IR technology now provides 24/7 thermal monitoring for switchgear. At particular risk are those involved in IT, financial services, transport, media, large scale production, and of course
  • Ameren Coffeen Switchgear Building Case Study (.pdf)
    As part of a $1.6 billion technology upgrade to reduce harmful emissions, AmerenEnergy installed a flue gas desulfurization (FGD) system at its Coffeen plant. FSG is the current state-of-the art technology used for removing sulfur dioxide (SO2) from coal-fired power plant exhaust. The process
  • Infrared (IR) Window Installations into Medium Voltage Switchgear
    The intense energy and duration of an electric arc flash represents a very unique exposure. Everyday work clothes made from regular cotton or polyester cotton blended fabrics, regardless of weight, can be readily ignited at some exposure level. Once ignited, the clothing will continue to burn adding
  • Case Study: Sensors for Conditioning Monitoring High Voltage Switching
    Conditioning monitoring on high voltage switchgear for the supply of mains electricity is an important function for preventative maintenance to ensure continuity of supply to consumers. The high voltage switchgear at major power distribution facilities operates in a very harsh environment with very
  • Generator Winding Pitch and Harmonics - Caterpillar (.pdf)
    This engine data sheet will discuss the advantages and disadvantages of various winding pitches and how it affects generator performance. It will also discuss the effects on harmonic content, waveform, paralleling, electric motors, switchgear instrumentation, and protective relaying.
  • DESIGN GENERATOR ROOMS FOR OPTIMUM PERFORMANCE
    Caterpillar offers the widest range of diesel, gas, and rental gen sets; ATS, UPS, and switchgear. From configuration to installation to operation and maintenance, we work with you for the life of your power system.
  • Optimizing Circuit Breaker Instantaneous Trip Settings for Selectivity and Arc Flash Performance Simultaneously (.pdf)
    This paper discusses analytical techniques and new technology that allow switchgear CBs to use sensitive instantaneous settings and maintain selectivity when using traditional electronic trips in switchgear and current limiting molded case circuit breakers, motor circuit protectors or fuses
  • What Constitutes a Battery Failure
    The lead-acid battery is the primary source in use today in support of today's mission critical systems and will probably remain so for the foreseeable future. Uninterruptible Power Supplies, telecommunications and switchgear equipment rely on this battery technology as the heart of their back-up
  • Comparison of LECTRUS Equipment Centers to Conventional Site Built Structures (.pdf)
    Electrical equipment centers have been in existence for decades. They typically safeguard low, medium and high voltage electrical equipment, which can include switchgear, motor control, drives, generators, rectification, DCS, PLC, UPS, SCADA systems and many other electrical components. They offer
  • Dewberry: High Point Regional Health Infrastructure Improvements
    High Point Regional Health renovations included an overhaul of power and HVAC systems. Upgrades required a building for the generators and switchgear, and renovation of the chiller plant. Three new Cat (R) 2,500 kVA emergency generators produce up to 7.5 million VA if normal electrical supply fails
  • Monitoring Sulphur Hexafluoride in the Power Utility Industry
    For the past thirty years, the amount of Sulphur Hexafluoride (SF6) used in the Power Utility Industry has been increasing. The gas is used mainly as an insulator for electrical switch-gear and control-gear rated for voltages greater than 1kV, but is also used in cables, tubular transmission lines

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  • High Voltage Engineering Testing
    Modern substation condition monitoring strategies for switchgear , transformers and cables are discussed and new insulation co-ordination …