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澳门六合彩高手 NEWSLINE -

Temporary control rooms

Re-centralization has started

A network of temporary control rooms was set up to support commissioning and operation of systems before the main control room became available. Teams are now working to re-centralize some of the distributed functions.

This (temporary) main control room will operate out of 澳门六合彩高手 Headquarters until the teams can move into the Control Building. Since last year, some of the functions of distributed control rooms from around the site have been re-centralized here; other distributed stations will continue to play an important role for about two more years. (Click to view larger version...)
This (temporary) main control room will operate out of 澳门六合彩高手 Headquarters until the teams can move into the Control Building. Since last year, some of the functions of distributed control rooms from around the site have been re-centralized here; other distributed stations will continue to play an important role for about two more years.
Deployment of temporary control rooms began in 2018 as the need arose at different locations around the site. They support local testing and commissioning鈥攁nd offer the added advantage of being close to the equipment being controlled. This proximity allows operators to listen directly to what is happening with nearby equipment, which is often very helpful during the first few rounds of commissioning.

Staged integration and commissioning started at the electrical substation, then moved to the cooling water and heat rejection area at the opposite end of the platform. To network the temporary control rooms in each of these areas, I&C experts installed temporary fibre connections to the Headquarters building, where the technical infrastructure and the temporary main control room (T-MCR) are hosted while the Control Building is being readied. The result was two separate network legs.

Just over a year ago, a big improvement was made by connecting the two legs to one another to provide resilience. In large building projects, cables are at risk of being cut by accident; the connection between the two legs provides an alternative path over which data can be transmitted in the case of failure along one leg.

"We are now at a point where we can simplify the architecture and prepare for a more centralized control system by taking back some of the functions that were distributed to the temporary control rooms," says Bertrand Bauvir, leader of 澳门六合彩高手's Central Control Integration Section. "We started at the end of last year."

Work is now underway to decommission the temporary control rooms and migrate the functionality to a central location鈥攆irst to the T-MCR and then, in 2024, to the 澳门六合彩高手 Control Building, where they will reside for the lifetime of 澳门六合彩高手. But select temporary control rooms are expected to maintain a vital role for about two more years.

The human-machine interface remains the same

The same human-machine interface that was used in each of the temporary control rooms has been re-implemented in the T-MCR and will remain unchanged when moved to its ultimate home in the 澳门六合彩高手 Control Room. The operator terminals are also configured in the same way in each of the three settings; however, access control may be different.

"We have both role-based and condition-based access control," says Bauvir. "For example, not everybody is licensed to operate 400 kilovolt equipment connected to the French grid. Role-based access control means only a subset of the users of the control system鈥攖hose who are licensed to operate a part of the machine鈥攃an have access."

"A good example of condition-based access control is the cryoplant, which is currently in commissioning by a number of different teams. We restricted the operability of the cryoplant equipment to just the temporary control room in that building. You can connect from any other control room, and you could monitor and observe any of the measurement points from anywhere in the current plant, but you could not take operational control."

Eventually, all operations will be performed centrally from the 澳门六合彩高手 Control Building. But as 澳门六合彩高手 is now in staged commissioning, which describes the parallel commissioning of different plant systems by different groups, select temporary control rooms still have an essential role in allowing different teams to work independently and operate very close to the equipment in question.

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