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Low-Voltage Controlgear. Specification for Semiconductor Contactors (Solid State Contactors)
Electric control equipment, Electrical equipment, Low-voltage equipment, Contactors, Switches, Semiconductor devices, Electronic equipment and components, Circuits, Switchgear, Ratings, Electrical testing, Temperature-rise limit, Type testing, Test equipment, Grades (quality), Testing conditions, Marking, Verification, Electric load, Graphic representation
Electromechanical Contactors for Household and Similar Purposes
Electrical equipment, Switchgear, Low-voltage equipment, Contactors, Switches, Air-break switches, Electromechanical devices, Domestic, Domestic electrical installations, Electrical household appliances, Performance, Ratings, Making capacity, Breaking capacity, Clearance distances, Electric enclosures, Temperature rise, Environment (working), Electrical testing, Performance testing, Mechanical testing, Fire tests, Product information, Marking
High-Voltage Alternating Current Contactors and Contactor-Based Motor Starters
Contactors, High-voltage equipment, Alternating-current motors, Electric control equipment, Starters, Electric starters, Electric motors, Ratings, Overload protection, Three-phase motors, Rated voltage, Rated frequencies, Rated current, Electrical protection equipment
Design, Performance, and Evaluation of a Direct-current Contactor for Space Nuclear Electrical Systems
A direct-current contactor for use in large space power systems was designed, built, and tested. It was developed to be operational in an environment of 540 C and at a pressure of 0.0001 N/sq m or lower. The contactor is rated to pass 10 A continuously and to interrupt a 20-A current at 10,000 V. It was tested to determine the corona threshold level and the leakage current at different temperatures. Also, it was tested for its closing and interruption ability.
High-Voltage Switchgear and Controlgear. Alternating Current Contactors, Contactor-based Controllers and Motor-starters
Switchgear, Electric control equipment, Electrical equipment, High-voltage equipment, Alternating current, Contactors, Controllers, Alternating-current motors, Starters, Electric starters, Electric motors, Ratings, Overload protection, Three-phase motors, Rated voltage, Rated frequencies, Rated current, Electrical protection equipment, Type testing, Electrical testing
QC/T 1175-2022 Translated English of Chinese Standard (QC/T 1175-2022, QCT1175-2022)
This document specifies the technical requirements, test methods, inspection rules for high-voltage contactors for electric vehicles. This document applies to high-voltage contactors for electric vehicles (hereinafter referred to as contactors), which has a rated DC operating voltage of the main contacts in the range of 60 V ~ 1500 V. This document does not apply to AC contactors for electric vehicles.
Low-Voltage Switchgear and Controlgear. Contactors and Motor-Starters. Electromechanical Contactors and Motor-Starters
Switchgear, Electrical equipment, Electric control equipment, Low-voltage equipment, Low voltage, Electromechanical devices, Electrically-operated devices, Contactors, Electric starters, Electric motors, Overload protection, Protected electrical equipment
Electrical Power System Protection
The death of Professor Arthur Wright in the summer of 1996 deprived me of a friend and a colleague whose judgement and experience shaped this book. I pay tribute to his contributions to protection and electrical engineering education. In the five years since the first edition appeared, many developments have taken place and it is now necessary to update the book. The use of digital communications and advanced signal processing techniques is now widespread and several fully numeric relays are available from manu facturers. Two new Chapters 13 and 14 have been added to introduce readers to these concepts and associated techniques. Artificial intelligence is making its impact in all engineering...
