Aksa ALP 10-5, Руководство по установке и эксплуатации

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11. THE PLACEMENT AND
INSTALLATION OF
TRANSFER SWITCH
The placement of the transfer switch and its
mountings:
Position the transfer switch near the emergency
power panel.
Locate the transfer switch in a place where it is
clean, not over-heated, and having a good
ventilation. If the environment temperature is
above 40 °C, fuses and breakers will open more
easily. There must be enough working place
around the transfer switch.
Having a fuse or breaker between the generating
set and the transfer switch is optional. (Connection
cables used in transfer switch).
Currents from the generating set must be
distributed equally to the three phase if possible.
Current from one phase should not exceed the
nominal current.
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•
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Figure 11 Typical emergency power system installation
Current from one phase should not exceed the
nominal current. Two different power cables,
which will be used between the generating set
and the transfer switch is on the generating set.
(Main supply cable and power cable for emergency
power panel)
If the transfer switch panel is apart from the
generating set, transfer switch must be placed as
close as possible to the distributor panel. In this
case power cables are drawn from generating
set, mains panel and emergency power panel.
Furthermore 8 x 2.5 mm control cable must be
drawn from the generating set control panel.
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MAINS
GENERATING SET
MAINS
BREAKER
OVER CURRENT
PROTECTION
TRANSFER
SWITCH
CUSTOMER DISTRIBUTION PANEL
EMERGENCY
OTHER
CUSTOMER DISTRIBUTION PANEL
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