Siemens Sivacon S8, Планировочная информация

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SIVACON S8 Planning Principles – Glossary and rated parameters
Routine verification
Verification of each assembly performed during and/or
after manufacture to confirm whether it complies with the
requirements of the relevant assembly standard
Functional unit
Part of an assembly comprising all the electrical and
mechanical elements including switching devices that
contribute to the fulfilment of the same function
Removable part
Part which may be removed in whole from the assembly for
replacement, even if the connected circuit is energised
Withdrawable unit
Removable part, which can be brought from a connected
position to a disconnected position, or, if applicable, to a
test position, while it remains mechanically connected to
the power switchgear and controlgear assembly
Connected position
Position of a removable part (or withdrawable unit) when it
is fully connected for the intended function
Test position
Position of a withdrawable unit in which the relevant main
circuits are open on the incoming side, while the
requirements placed upon an isolating gap need not be
met, and in which the auxiliary circuits are connected in a
manner that assures that the withdrawable unit undergoes
a function test while it remains mechanically connected to
the switchgear and controlgear assembly
(Note: The opening may also be established by operating a
suitable device without the withdrawable unit being
mechanically moved)
Disconnected position
Position of a withdrawable unit in which the isolating gaps
in the main and auxiliary circuits are open while it remains
mechanically connected to the assembly (Note: The
isolating gap may also be established by operating a
suitable device without the withdrawable unit being
mechanically moved)
Isolating gap
Clearance in air between open contacts which meets the
safety requirements defined for the disconnector
11.1 Terms and definitions
The information provided in the two standards IEC 61439-1
and -2 is used to explain the relevant terms referred to in
this planning manual:
Low-voltage switchgear and controlgear assembly
(assembly)
Combination of one or more low-voltage switching devices
together with associated control, measuring, signalling,
protective, regulating equipment, with all the internal
electrical and mechanical interconnections and structural
parts
Assembly system
Full range of mechanical and electrical components
(enclosures, busbars, functional units, etc.), as defined by
the original manufacturer, which can be assembled in
accordance with the original manufacturer’s instructions in
order to produce various assemblies
Power switchgear and controlgear assembly
(PSC assembly)
Low-voltage switchgear and controlgear assembly which is
used to distribute and control electric energy for all types of
loads, in industrial commercial and similar applications not
intended to be operated by ordinary persons
Design verification
Verification performed on a sample of an assembly or parts
of assemblies to show that the type meets the
requirements of the relevant assembly standard
(Note: The design verification may comprise one or more
equivalent and alternative methods such as tests, calcu-
lations, physical measurements or the application of con-
struction rules)
Verification test
Test performed on a sample of an assembly or parts of
assemblies to verify that the type meets the requirements
of the relevant assembly standard (Note: "Verification tests"
correspond to "type tests" as described in the no longer
valid IEC 60439-1 standard)
Verification assessment
Design verification of strict construction rules or calcu-
lations applied to a sample of an assembly or parts of
assemblies to show that the type meets the requirements
of the relevant assembly standard
Construction rule
Defined rules for the construction of an assembly which
may be applied as an alternative to a verification test
11 Glossary and rated parameters