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9 - Suppressing electro-mechanical devices - Updated Jan 2021
Provides 0.5 hour towards CPD
This module helps engineers to understand that when a contact opens the current can’t change instantly because of the inductance in the circuit
Course is 36 slides over 18 pages
Contents:-
1) Emissions caused by arcs and sparks
2) Suppressing electromechanical contacts
3) Suppressing the flyback from switched inductive loads
4) Suppressing commutator motors
5) Suppressing slip-rings
6) Suppressing spark ignition
7) Suppressing electric bells and buzzers
8) Some useful references
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