Product category:
HMIs/Operator Interfaces
News Release from: GE Fanuc Intelligent Platforms UK | Subject: Cimplicity HMI software
Edited by the Engineeringtalk Editorial
Team on 14 December 2001
HMI software used in water cooling
plants in UAE
Tabreed, the National Central Cooling Company based in the United Arab Emirates, is using GE Fanuc technology to develop a network of district water cooling plants across the country.
Tabreed, the National Central Cooling Company based in the United Arab Emirates, is using GE Fanuc technology to develop a network of district water cooling plants across the country The cooling plants distribute chilled water through pipes to multiple residential, industrial and commercial buildings for use in air conditioning systems
This article was originally published on Engineeringtalk on 22 Jun 2000 at 8.00am (UK)
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The proven reliability of GE Fanuc's Cimplicity HMI software, its PLCs and the Open Communication capabilities all proved decisive factors in the selection of this particular equipment for Tabreed's water cooling plant.
The latest district cooling plant system engineered by Tabreed have called on the combined resources and expertise of GE Fanuc and the UAE-based system integrator, Cimac Automation, a subsidiary of Cimac UK.
The projects have proceeded at a demanding pace under the motivation and direction of Tabreed's Engineering Manager, George Berbari and Automation Engineer, Mohammed Ibrahim.
The SCADA systems, running on the reliable GE Fanuc Cimplicity HMI platform, communicate various energy parameters throughout the plant with a variety of control information to and from different OEM supplied equipment.
This equipment includes chillers, cooling towers, pressurisation systems, chilled water distribution pumps, variable speed drives and chemical measuring/dosing equipment.
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At Tabreed's third installation, the Al Jimi plant, there were two contractors involved, one choosing and installing the electrical switch gear, and the second the control.
The challenge was to integrate all the equipment into a single comprehensive control and monitoring network.
The control contractor chose GE Fanuc 90-30 series PLCs for the main plant with Cimpilcity HMI controlling the whole SCADA system.
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The solution involved various communication protocols, including Device Net on all motor control centre equipment, Modbus for remote communication and Ethernet for communication between PLC and SCADA.
After linking all the SCADA devices to the PLC, the data could then be used for monitoring, protection and control.
The PC running Cimplicity HMI was linked via Ethernet to the PLCs, enabling the plant to be run in the most efficient and profitable way.
The PLC and Cimplicity HMI are also configured for remote monitoring so that the Tabreed engineers can monitor the plant from their central office.
Dani Safi, the managing director of Tabreed, explained, "The expertise of the GE-Fanuc/CIMAC team and the application knowledge of the Tabreed Engineering Department were the key strengths for the success of this project.
"Tabreed is now well positioned in the UAE, and is making headway in the region, to offer customers a highly reliable, efficient, economical and environmentally friendly source of cooling.
Tabreed provides a high quality of service by offering an integrated energy system devised to help clients optimise their energy usage.
Tabreed offers energy solutions that reduce its customers' power requirements, but which also release valuable commercial space and thus provide further financial savings." District energy is an ancient concept.
Two millenniums ago, the Romans used to pump hot water through open trenches.
They used this to provide hot water to the now famous baths, homes and other buildings in Pompeii.
Over the years, this technology has been perfected and continuously improved upon, to provide what is today commercially known as district heating, or in this 'reverse' concept, district cooling.
District cooling systems provide a variety of benefits, both qualitative and economic.
The qualitative advantage is perceived in terms of better comfort, better reliability, and maximised convenience.
Mechanical cooling and air conditioning requirements are growing rapidly throughout the world, partly because there are many new buildings being built.
No matter where those buildings are built, they tend to be tighter and more densely packed than they used to be.
This creates a need for air conditioning even in very cold climates.
The world's first commercial application of district energy was in 1877, in a district heating system in Lockport, New York.
A central plant provided thermal energy in the form of steam to 14 buildings near the plant.
In 1962, in Hartford, Connecticut, the world witnessed the first commercial district cooling system application in the world, a system that started small and grew very rapidly.
The depletion of the ozone layer due to emissions of CFC and other types of chlorinated refrigerants is an issue that has been a key driver behind international growth in district cooling systems.
Alternative technological approaches were sought to cooling a large number of buildings packed in a single area, rather than each building, or even each room, having its own CFC-based solution. Request a free brochure from GE Fanuc Intelligent Platforms UK ...
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