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Utilities
Of or related to any publicy utility institution mandated with maintaining the infrastructure for a particular public service; such as the provision of water, gas and electricity.
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Utilities > Electricity 
voltage spread
Electrical equipment; Electricity
The difference between maximum and minimum voltages.
voltage swells
Electrical equipment; Electricity
Voltage Swells are momentary (typically a few milliseconds to a few seconds duration) over-voltage conditions which can be caused by such things as a sudden decrease in electrical ...
voltage transducer
Electrical equipment; Electricity
A transducer used for the measurement of a.c. voltage.
voltage transformer
Electrical equipment; Electricity
Transformer used to accurately scale ac voltages up or down, or to provide isolation. Generally used to scale large primary or bus voltages to usable values for measuring purposes
voltage transformer ratio
Electrical equipment; Electricity
The ratio of primary volts divided by secondary volts
voltage transients
Electrical equipment; Electricity
A transient (sometimes called impulse) is an extremely fast disturbance (millionths of a second to a few milliseconds) evidenced by a sharp change in voltage. Transients can occur ...
voltage withstand test
Electrical equipment; Electricity
A field or factory test in which a conductor or electrical equipment is subjected to a higher than normal AC or DC voltage to test its insulation system.
Sub-categories
- Electricity (7954)
- Emergency systems (0)
- Gas (1175)
- Sewage (66)