Electrical Switchgear Basics Pdf
Basic principles the best distribution system is one that will cost effectively and safely supply adequate electric service to both present and future probable loads this section is intended to aid in selecting designing and installing such a system.
Electrical switchgear basics pdf. B electrical protection b safe isolation from live parts b local or remote switching. The basic functions of lv switchgear h2 1 1 electrical protection h2 1 2 isolation h3 1 3 switchgear control h4 the switchgear h5 2 1 elementary switching devices h5 2 2. 101 basics series eaton s mission is to improve the quality of life and the environment through the use of power management technologies and services. The basics of switchgear.
Sf6 is used in electrical equipment because of its dielectric strength excellent insulating properties and its arc suppression capabilities. The function of the electric power distribution system in a building or an. For those who don t know electrical switchgear sometimes just called switchgear is a fairly broad generic term that includes a variety of switching devices used to protect your power system from overloads. Since 1960 sf6 sulfur hexafluoride is used in electrical equipment switchgear and devices and also in other applications like arc furnaces window insulation car tires and sport shoes.
A switchgear is a generic term which includes all the switching devices associated with power system protection it also includes all devices associated with control metering and regulating of electrical power systems assembly of such devices in a logical manner forms switchgear in other words systems used for switching controlling and protecting the electrical power. By extension then the definition could also include devices used to regulate meter and control your power system. Switchgear is used both to de energize equipment to allow work to be done and to clear faults downstream. The role of switchgear is.
The power system should be designed and managed to deliver this energy to the utilization points with both reliability and economically. We provide sustainable solutions that help our customers effectively manage electrical hydraulic and mechanical power more safely more efficiently and more reliably. The term switchgear is a generic term that includes a wide range of switching devices like circuit breakers switches switch fuse units off load isolators hrc fuses contactors miniature circuit breakers elcbs gfcis. The apparatus used for switching controlling and protecting the electrical circuits and equipment is known as switchgear.
This assures complete interoperability which has been tested.