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Updating control and automation systems at old coal-fired plants

Owners of coal-fired power plants are turning ever more to modern control and automation solutions in an effort to improve boilers, burners and overall plant processes. Sean Ottewell reports.

Magnetic sensor ignores large local fields

Researchers have developed a magnetic sensor that can operate in environments with stray magnetic fields - such as near power cables

$20 million power contract in Albania

Power solutions to strengthen grid, allow country’s electricity transmission network to be integrated with European networ

Tuning a PID controller for digital excitation control

Today's digital excitation systems offer numerous benefits for performance improvements and tuning over its analogue voltage regulator predecessor. Dr Kiyong Kim and Richard C Schaefer report

Air/gas flow meter now withstands 850°F (454°C)

For use in high temperature processes including coal-fired power plants, chemical refining, steel manufacturing

Energy management system tracks greenhouse gas emissions

SCADA system evolves with demand to manage and control energy usage across all areas of distributed manufacturing plant

Precision air/gas flow measurement for coal-fired electric power plants

The rugged MT91 Multi-Point Mass Flow Meter from Fluid Components International (FCI) delivers precision air/gas flow measurement

Digital automation key for greenfield sites and revamps

As the latest contract announcements show, while Far East remains the major player in automation investment Eastern Europe is a lucrative market too. Sean Ottewell reports

Pilot plant tests carbon capture and storgage by oxy-fuel firing

The first pilot plant in the world to demonstrate the technology of oxy-combustion - otherwise known as oxy-fuel firing - for carbon capture and storage is now in operation

Communicating with the lights out during a major emergency

Utilities companies have a responsibility for civil contingency planning, and yet worryingly, in the event of a major emergency, the extreme localised demands on public mobile networks could limit network availability and make it harder to resolve the problem

Pressure sensors for flow measurements of liquids, gases, vapours

Suitable for power, pulp and paper and oil and gas industries; flange connections are available for chemical industries

New products for remote management and control

HMS is introducing the Anybus Remotecom family for remote management and supervision of automation and control systems

Device extends Ethernet networks using twisted-pair cabling

Westermo is launching the DDW-120 device that enables twisted-pair copper cables to be used for Ethernet communications over distances of up to 15km

Revamps of power projects are now key to automation contracts

Although some greenfield power projects are still proceeding, revamps are dominating the project scene in 2009, especially migrations from old technology and the installation of self-organising wireless networks

Digital automation for coal gasification plant

Emerson PlantWeb architecture and engineering services selected for project that doubles output of methanol to meet the strong market requirement

Using virtual reality to design and simulate power plant performance

There has never been more interest in environmentally-friendly power generation technologies such as photovoltaic, wind, hydroelectric and biogas. However, they are complex to design and maintain. As Sean Ottewell discovers, new virtual reality (VR) software from Germany could change all that

Dynamic simulators for improved plant performance

Niclas Krantz focuses on some very useful and recently developed simulator applications from power utilities. He examines three different simulator applications, very useful in their applications respectively. They are all developed for power utilities and power houses in process industries like pulp mills with their own power generation

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