Eaton xiria series, User Manual

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Xiria
994.570 G01 06 5
1. GENERAL
The user must have authority to perform switching
operations, which means being qualified in accordance
with locally applicable guidelines, government legislation
and in-house company regulations with respect to the
operation of medium-voltage installations.
Legal and other regulations and documents pertaining to
accident prevention, personal safety and environmental
protection must be observed.
Operations involving the repair of the switchgear unit are to
be carried out by or under the responsibility of Eaton.
Information with respect to these operations is, therefore,
not included in this manual.
1.1 Explanation of used warnings
The manual uses the following names and signs to
highlight important (safety) information:
L
IFE HAZARD
This warning indicates that non observance of the
specified (safety) instructions WILL result in
serious and permanent bodily injury or even
death.
W
ARNING
This warning indicates that non observance of the
specified (safety) instructions COULD result in
serious bodily injury or even death.
N
OTE
This note provides the user with additional
information. The user's attention is drawn to
possible problems.
T
IP
Tips provide the user with suggestions and advice
on how to make certain tasks easier or more
convenient.
1.2 Safety relating to medium-voltage
installations
L
IFE HAZARD
Operations on medium-voltage installations can
be life threatening if the necessary procedures are
not observed.
Always take suitable precautions before working on a
medium-voltage installation. All personnel involved in
operations carried out on, with or near electrical
installations require to have been instructed on the safety
requirements, safety rules and instructions applicable to
the operation of the installation. Personnel must wear
suitable clothing which fits the body closely. The person in
charge of the operations must ensure that all requirements,
regulations and instructions are complied with. The Xiria
unit has been designed to ensure that it exceeds applicable
regulations. Furthermore, primary component enclosures
are arc-resistant and interlocks have been fitted to prevent
dangerous operations.
Operations when the unit has been isolated
Switching off prior to carrying out operations on an isolated
system is subject to a number of essential requirements.
1. switching off;
2. complete isolation;
3. protection from reactivation;
4. checking whether the unit is dead;
5. provide short-circuit proof protective earthing and a
visible work-in-progress earth when needed.
6. provide protection with respect to active components
in the vicinity.
Safe layout of the work area
Ensure that access and escape routes are free at all times.
Do not leave flammable materials in or near access and
escape routes. Flammable materials must not be stored in
areas which could be affected by arcs.
In the event of a fire
Never attempt to extinguish a fire on the switchgear unit
before it is completely dead, this applies to both primary
and secondary switchgear. Even if non-conducting
extinguishing materials are used, electricity may pass
through the extinguishing equipment. Never extinguish a
fire on the unit with water. Prevent water from flowing into
the unit. Keep well clear of the unit while the fire is being
extinguished in the area around the unit.
1.3 Tools, aids and protection equipment
Tools, aids and protection equipment must meet the
requirements of national and international standards
insofar as they are applicable.
Drawings and documents
Recent documents of the electrical installation must be
available in order to gain sufficient understanding of the
schematic layout of the switchgear unit.
Warning signs
If necessary, suitable warning signs shall be placed on the
switchgear unit during operations to highlight possible
hazards. The warning signs must comply with the
applicable standards, insofar as they apply.
Performing measurements safely on the unit
Suitable and safe measuring equipment must be used for
measuring safely on the unit. These instruments must be
checked before and after use. The instruments must also
be inspected periodically in accordance with the applicable
regulations.