5SHY4045L0004 ABB Silicon controlled module IGCT high voltage control spare parts

Description

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operating conditions.
Conventional operating current (of a protective device) A specified value of
the current which cause the protective device to operate within a specified
time, designated conventional time.
Overcurrent detection A function establishing that the value of current in a
circuit exceeds a predetermined value for a specified length of time.
Leakage current Electrical current in an unwanted conductive path other than
a short circuit.
Fault current The current flowing at a given point of a network resulting from
a fault at another point of this network.
Wiring systems
Wiring system An assembly made up of a cable or cables or busbars and the
parts which secure and, if necessary, enclose the cable(s) or busbars.
Electrical circuits
Electrical Circuit (of an installation) An assembly of electrical equipment of
the installation supplied from the same origin and protected against overcurrents
by the same protective device(s).
Distribution circuit (of buildings) A circuit supplying a distribution board.
Final circuit (of building) A circuit connected directly to current using
equipment or to socket-outlets.
Other equipment
Electrical equipment Any item used for such purposes as generation,
conversion, transmission, distribution or utilization of electrical energy, such as
machines, transformers, apparatus, measuring instruments, protective devices,
equipment for wiring systems, appliances.
Current-using equipment Equipment intended to convert electrical energy
into another form of energy, for example light, heat, and motive power
Switchgear and controlgear Equipment provided to be connected to an
electrical circuit for the purpose of carrying out one or more of the following
functions: protection, control, isolation, switching.
Portable equipment Equipment which is moved while in operation or which
can easily be moved from one place to another while connected to the supply.
Hand-held equipment Portable equipment intended to be held in the hand
during normal use, in which the motor, if any, forms an integral part of the
equipment.
Stationary equipment Either fixed equipment or equipment not provided with
a carrying handle and having such a mass that it cannot easily be moved.
Fixed equipment Equipment fastened to a support or otherwise secured in a
specific location.