IT & Automation
with a reliable control system and that we can access data from all plants at our central control room at Kaidi. SPPA-T3000 control system fulfils all these requirements,” noted Zheng Tao, instrumentation and control director with Wuhan Kaidi Electric.
Hydropower control Emerson Process Management has been awarded contracts worth nearly US$9 million (€6.8 million) to modernise the controls of multiple hydropower plants and a dispatch centre for AES Tietê in Brazil. A subsidiary of AES Brazil, AES Tietê is the first
power generator in Brazil to adopt a DCS automation architecture for its hydropower fleet. Hydropower is the predominant power source in the country, accounting for approximately 80 per cent of the power generated there. One of the largest private producers of electricity
in Brazil, AES Tietê operates a fleet of 12 hydropower plants with an installed capacity of 2658MW in the state of São Paulo. Outdated controls based on proprietary technology from a variety of vendors made it difficult for the company to find spare parts and integrate the controls with other equipment and devices, negatively impacting unit efficiency and reliability. Emerson will install a SCADA system for AES
Tietê’s generation operations centre in Bauru, as well as a back-up system roughly 40 miles away at the utility’s Bariri hydropower plant. Operators will use the system to monitor and control the generating units and spillways of the 12 hydropower plants located along the Rio Grande, Tietê and Pardo rivers. As part of this system, Emerson will provide dispatch and optimisation software for generation management, which includes load scheduling, cascade control and economic dispatch. Te system will also manage communication with Brazil’s national electric grid operator, Operador Nacional do Sistema Elétrico
(ONS). Te first two hydropower plants are expected to communicate with the central dispatch centre later this year. Agua Vermelha is AES Tietê’s largest Brazilian
hydropower plant, at 1.4GW (6 x 233MW). At this plant, Emerson’s Ovation control system will directly control the turbine and balance-of-plant equipment and processes, including wicket gates and the cooling system. By controlling plant processes and regulating turbine speed, the Ovation system will help ensure precise frequency control and smooth synchronisation to the grid. Emerson is also providing its Ovation Security
Centre for the Agua Vermelha facility, replacing the plant’s electro-mechanical controls, and supplying a CSI 6300 SIS digital overspeed protection system for the turbines. Emerson is performing a similar controls retrofit at Barra Bonita hydropower’s 36MW unit 1.
Next-generation automation Invensys has unveiled its next-generation process automation system. With advanced tools and applications delivered across a high-speed, fault- tolerant and cyber-secure hardware platform, including the integration of the company’s Triconex safety system, the Foxboro Evo process automation system was designed to improve operational insight and integrity for users in the power and other process industries (Fig. 1). Te Foxboro Evo process automation system has
evolved directly from the Foxboro I/A Series and Triconex technology, both entrusted to control and protect some of the world’s largest, most complex process facilities and known for their innovative, layered architecture. Te system extends this approach through a component object-based platform, which can undergo major upgrades without halting operations.
Singapore centre for automation solutions H
oneywell has inaugurated a new automation solution centre (ASC) in Singapore as a part of
its global deployment of demonstration centres around the world. Designed to showcase Honeywell Process Solutions’ (HPS) state-of-the-art technologies to customers and partners in the Asia Pacific region – including the power industry - the centre will help customers appreciate how Honeywell technologies can improve their operational safety, reliability and efficiency. The Experion Process Knowledge
System and the next generation Experion Orion will be among the Honeywell
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control and safety systems showcased in this facility. “Our customers face an intensely
competitive global environment and the establishment of this centre will help them to understand and deploy key technologies that can enhance their competitiveness,” said Leong Hon Mun, sales director, South East Asia, HPS. “Honeywell’s solutions can help reduce risks during project pre-deployment and improve bottom-line performance during operations. We are pleased to make this investment as part of Honeywell’s commitment to the Asia Pacific region.” The ASC is equipped to showcase
advanced Honeywell technologies such as Virtualisation and Universal I/O. These technologies allow customers to build control strategies in a Honeywell- equipped project centre and check it all prior to putting equipment on the ground. Virtualisation reduces equipment
lifecycle costs for customers. For example, a 30-node system of operator stations, engineering stations and servers can be consolidated down to just five virtual machine servers in a secured cabinet. “This is an 80 per cent reduction in maintenance, space, energy use – and better security is achieved as well,” said Leong. ●
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