10 Terms
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Electricity
A database referring to the existence of a flow of electric charge.
Industry: Utilities
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Electricity
hertz
Electrical equipment; Electricity
1) A unit of frequency equal to one cycle per second. 2) In alternating current, the changing of the negative and positive poles.
high intensity discharge (HID) lamp
Electrical equipment; Electricity
An electric discharge lamp in which the light producing arc is stabilized by wall temperature and the arc tube has a bulb wall loading in excess of 3 watts per square centimeter. Examples of HID ...
high pot
Electrical equipment; Electricity
A test done to confirm the reliability of an insulation system where a high voltage is applied.
high pressure sodium (HPS) lamp
Electrical equipment; Electricity
A High Intensity Discharge light source in which the arc tube's primary internal element is Sodium Vapor. HPS is commonly used for roadway and area lighting.
high voltage
Electrical equipment; Electricity
An electrical system or cable designed to operate between 46kv and 230kv.
high voltage system
Electrical equipment; Electricity
An electric power system having a maximum roo-mean-square ac voltage above 72.5 kilovolts (kv).
high-speed reclosing
Electrical equipment; Electricity
A re-closing scheme where re-closure is carried out without any time delay other than required for deionization.
