Smart Grid Preparedness, a Technical View from the
Systems Side
Location: New York
Author: Larry Gill
Date: Monday, February 9, 2009
January 15th - Less than three minutes after it took off from New York's
LaGuardia airport, US Airways flight 1549 landed in the Hudson River after
losing power in both engines. By now, most have heard about the
extraordinary water landing that experts are saying saved the lives of the
155 passengers on board. While reading the news story about the flight, I
was amazed by the quick thinking and heroic efforts of pilot Chesley B.
"Sully" Sullenberger and his crew who ensured the safety of their
passengers. The training, preparedness and expertise of the crew turned what
could have been a tragic event into a story of success and inspiration. Even
though the plane was functioning as designed, something unexpected occurred
during its routine operation which highlighted the importance of the team.
This same scenario occurs daily in systems throughout the world—though
admittedly nowhere near as dramatic. Due to tight timelines and budgets,
most system projects focus on performing the building and testing of the
systems with little attention to how product will be supported and
maintained in the day-to-day operations. Many times the support and
operations personnel had little to no involvement with the design and
construction, but are responsible to ensure the accuracy and performance of
the system. In addition to how well the product is designed, how well the
team is prepared to operate the system can make a substantial difference in
costs and opinions of your customers.
With Smart Grid technologies driving the need to enhance and replace
existing systems and infrastructure, now is the time to make sure an
end-to-end view of the systems' requirements are analyzed to insure the
"smart" benefits can be truly realized after the systems are implemented.
Good program management is needed to insure the final deployment provides
the necessary functionality not only to meet the intended business
requirements but also to handle the unexpected. The days of communicating
with the customer once a month through a paper bill are slowly coming to an
end. Interactive Voice Response (IVR) and the Internet have already begun
new channels of communication with customers and the Smart Grid will only
increase the tools and the information available for them. The volumes of
data and the multiple methods of communication will produce even more
pressure on the systems and support teams. The awareness and the education
of the customer base will increase the need for more accurate and timely
information and will place a brighter spotlight on any problem areas.
Design is Critical
An effective system design considers the impact of errors and
troubleshooting on daily operations. A design with a strong operational
understanding can aid in the diagnosis of an issue by providing valuable
error handling, alarms, alerts and and diagnostic data. If the system does
experience an unexpected error, can it be resolved quickly with minimum
impact? Can the system detect where in the process it was when it failed, or
does it require manual intervention to be restarted? Standardizing the
processes across the various components and systems can not only improve
operational efficiencies but can also facilitate cross training and reduce
overall training cost.
A good architectural design will also include redundancy to reduce the down
time of a system. But once again the need for a solid understanding of the
process is needed to analyze and identify single points of failure. All of
the redundant hardware in the world will not serve any purpose if it's tied
to a single failed circuit.
The increasing complexity and time criticality of the new systems places
even more importance on two key project deliverables: documentation and
automated controls.
* Documentation always seems to be the last thing on a developer's to-do
list, but it is one of the most critical deliverables to aid in knowledge
transfer and a successful support operation. A project team will many times
take the requirements document and just repackage it to mark the task
complete on the project plan. The fact that a document exists isn't nearly
as important as how it will be used. Too much documentation can be a burden
to use and provides little value. Clean, concise, and standardized
documentation in a single repository with a searchable function can be a
support resource's best tool. Work with the operational team to understand
what information is needed. It is also important to require a documentation
review and update as part of the group's change control procedure to insure
the documentation stays current and relevant.
* Automation Controls can allow the support teams to build meaningful alarms
that will identify when acceptable thresholds are exceeded or when
unexpected events occur. General Controls insure compliance with systems
methodology, corporate security, change control and protocol standards
across organizational boundaries. Embedded Controls can be used to insure
data integrity, accuracy and validity. By clearly defining the critical
events and building automatic quality checks within the process, the support
team will be better positioned to identify when failures occur and to
address them immediately.
By placing all of the performance metrics in a single dashboard or
information portal, the operational team will be able closely monitor and
control the performance and health of the system. Performance and response
times can be tied to key performance indicators, making operational
efficiencies an important component of smart grid measurements of success.
Knowledge Transfer
The transfer of knowledge from the project team to the support and
operations resources is the final critical step in a successful
implementation. Knowledge transfer is more than just a communication of the
information and incorporates a variety of components. Knowledge can include
an understanding of the high level end-to-end business processes, detail
training on daily and emergency procedures. Education on how to use, modify
and update system documentation should be included in training and knowledge
transfer. It is important that the project team recognizes the roles of the
operational team and to prepare them to be positioned to assume the
ownership of the system. The transition period requires proper planning and
execution to insure the information can be recalled and put into practical
use.
Preparation should include a process to implement a post critique of any
emergency situations to identify the lessons learned, what went wrong and
what went right. By performing an impact analysis of an event and creating
action items to prevent re-occurrence, you will be able to derive a benefit
from an unexpected issue.
Conclusion
System vulnerabilities are exposed after a project is complete and the
system is in daily use. New changes to the system, design and construction
errors, or unexpected events can result in challenging situations. How well
you have prepared your team will make the difference in how the result is
viewed. Training, preparedness and expertise of your smart grid crew could
change potentially serious system events into success and inspiration to
others. Planning for the unexpected should be a part of the overall approach
to smart grid system delivery, as with most infrastructure projects. The
recovery time in a system crash will be the measure of the successful plan.
And if everyone can walk away, even if it requires aid and assistance from
everyone involved, it can be considered an overwhelming success.
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