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system into the Integrated Control and manner, allowing new energy-saving

Managing the process and the power

EPIC systems through a single integrated

Safety System (ICSS) using IEC 61850 opportunities and allowing existing control system can cut costs and give a technology gives the user an excellent reduction programs to be improved. An better overview of the total plant.

overview of a platform’s electric power increase in power consumption by a unit

Image from ABB. assets, as well as a large amount of data or area due to equipment malfunction typical protocols found in the substation that allows ready diagnosis of faults. and wear can quickly be remedied, while automation domain. Based on Ethernet The main objective of a power man- better visibility of power consumption technology and providing fexible and agement system is to avoid blackouts, and costs allows easier energy audits and open system architecture, IEC 61850 especially those with in-house genera- benchmarking.

makes the application future-proof over tion, critical loads or insuffcient supply

Integration in action entire system lifecycles. from the electrical grid. One critical

Electrical integration extends the functionality of a power management An example of electrical integration in typical scope for asset management tools system is load-shedding; keeping critical action offshore is an ICSS for an FPSO from just instrumentation into electri- loads running should incoming power be operating in the Jordbaer feld in the cal power generation and distribution as lost. Non-critical loads are shed to keep Norwegian sector of the North Sea. Based well. The resulting architecture provides critical parts of the plant running. on ABB’s System 800xA, this uses 14

With electrical integration, load-shed- operators and maintenance personnel AC 800M and AC 800M HI controllers in ding applications are now easier to design with current process information plus all redundant confgurations, providing an and can have an even faster response time relevant electrical asset information. All integrated solution for hull side (vessel compared to hard-wired solutions. Systems information sent via IEC 61850 interfaces control and safety) and topside (process that can help achieve this include ABB’s is available as real-time data. This can be control and safety).

System 800xA, the frst process-control sys- customized so that, for example, the IED The days of treating control and tem on the market to support the IEC 61850 sends data only every fve minutes. The power as two separate entities are surely standard. Its AC 800M controller func- architecture also offers remote access to numbered and the progressive company tions, as an IED, allow it to communicate all equipment diagnostics from the same seeking to cut costs and gain better horizontally with other IEDs via GOOSE. maintenance workplace. visibility will increasingly come to see interfaces also support redundancy, mak- To achieve this, IEC 61850 uses a them as inextricably linked and part of a

Load-shedding can be implemented using ing the integrated power and control sys- mainstream communication technology, greater whole. an Ethernet-based solution, which means tem more tolerant of failures. During the manufacturing message specifcation faster trips, monitoring of trip data quality

Laya Sathyadevan is lifetime of an oil and gas platform, various (MMS) over Ethernet. This standard and reconfguration of trip logic without an oil and gas systems components of the integrated power and specifes two main types of communica- re-wiring. This allows a faster response engineer at ABB UK. control system will have to be exchanged tion; vertical communication between the to power glitches, giving increased plant

She is currently or replaced. Over time, the system may control system and the IEDs and horizon- uptime by preventing blackouts. working on QGC project also cope with integration of new compo- tal communication from IED to IED.

Cutting the cost of power in Australia and BP nents from the same or new suppliers or Vertical communication uses the full

Caspian project where it may have to be extended. Irrespective MMS stack and is intended for the vast With access to all critical electrical data,

IEC 61850 communica- of these changes, interoperability must amount of data shared between the con- cost-sensitive producers can reduce their tion is used to integrate process and power be maintained. The data structure of IEC trol system and the IEDs. Horizontal com- total consumption of electrical power automation systems. Sathyadevan has a 61850 has been specifcally designed to munication uses the special generic object signifcantly. An integrated system enables

Master’s degree in Control Systems from achieve this. orientated substation event (GOOSE) plant operators to see and understand

Imperial College London.

One drawback of this integrated system messaging, a data transfer method that power usage in a more coordinated approach is that IED attributes, such removes the delays inherent in as parameter settings, are managed by traditional hard-wire signals, allow- tools specifc to each IED manufacturer. ing high-priority data to go directly

This means that using IEDs from several between the IEDs. vendors will increase the number of tools

Savings needed to support the system.

Major benefts of electrical integra- tion include reduced investment

Electrical integration cost through one integrated system, based on open standards improved operator efectiveness and

The diffculties of electrical integration collaboration across all areas of the have been largely removed with the plant and reduced maintenance costs advent of IEC 61850. Acknowledged as through using one common mainte- the global communication standard in nance strategy for the entire plant.

substation automation, it represents a huge step forward in simplifying the inte- It can also provide an enhanced gration of protection and control IEDs. energy reduction program by

With its standardized model of the IED improved visibility into power and its data and communication ser- consumption. For industries such vices, IEC 61850 ensures interoperability as oil and gas, 24/7 availability and

The control of drives, intelligent MCCs, medium voltage switchgear, protection and control between electrical devices from differ- reliable electrical supply are para-

IEDs integrated on the same system increases visibility of the process, asset management of ent vendors and is able to replace all the mount. Integrating the electrical electrical devices, better interfaces with process control and improved operational procedures.

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