Electric motors, such as those in elevators, heating, air conditioning, refrigeration or other inductive loads, can create a continuous stream of 250V to 1000V transients.
DC motor drives, variable speed AC motor drives, DC power supply switching, and portable power tools are other sources of transients.
A more elusive transient is one caused by the switching of inductive loads. A 250V to 3000V transient can occur with the interruption of an inductors current.
This type of transient occurs when opening and closing contacts to electric motors or fluorescent lighting using magnetic ballasts. Two other sources are arc welders and furnace igniters.
Electric wiring carrying signals from these sources can induce voltages in other conductors in close proximity.
PHONE: (678) 546-6780 FAX: (678) 546-6782
5044 B U Bowman Drive #102
Buford, Georgia 30518
PHONE: (678) 546-6780
Last Updated: 07 Jun 2004
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