The Universal Fault Module consists of control
relays, adjustable time delay relays, contactors, a solid-state relay (SSR),
current-limiting resistors, and an inductor, all installed in a full-height EMS
module. These components allow faults to be inserted into the electrical power
system (EMS system) for training in protective relaying applications. Typical
faults include line-to-line and line-to-earth resistive faults as well as
resistive and inductive faults.
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