Page 85 - Industrial Plants 2014

A view of the MCC

• the possibility of sending commands and plant Acceptance Test) procedures in which every single
management programs using the function keys function of the automation system is simulated and
on the operating console with guided menus tested to minimise the margin of error that may
from the relevant video-graphic page; occur under normal conditions during SAT (Site
• main plant parameter display and settings; Activity Test) activities.
• access to automatic and manual plant control Once tested, the container is shipped to the field
functions with several password levels; where it only needs to be mounted on suitable
• the acquisition, display and archiving of alarms plinths and be connected to the power grid.
in compliance with ISA directives;
• signals relating to plant working status and
controlled devices; Choice of feld materials for an
• production report. aggressive environment

As regards the engineering plant, further measures
The control room designed for were put in place to ensure continuity of service. The
fast installation choice of electrical and instrumental equipment for
the field is crucial when the severe desert environment
All the power and control panels, switchboards is taken into account.
(PMCC, PLC control panel and VFD panels) and the It was decided to use armoured cables with high
Scada station were placed in a containerised power performance insulation to prevent potential
& control room. The ISO Standard-High Cube 40 mechanical or other failures due to extreme The Scada station
foot container was designed for extreme
environmental conditions such as deserts where
there is a high degree of temperature changes. The
container was completely insulated and designed
with backup air conditioning to provide the electrical
equipment inside with insulation from outside
temperatures and to ensure good operating
conditions.
The choice of containerised solution offers multiple
benefits not only in terms of cost compared to a
prefabricated control room, but also in a considerable
reduction in the time required for both installation
and whole system testing.
The fully equipped containerised power & control
room comes out of the factory fitted with electrical
panels and auxiliary equipment which means that all
the power equipment and power and control panels
are subjected to an integrated FAT (Factory

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