POWER October 2013 - 24

Time synchronization hardware and software was provided to
integrate with the existing GPS time source. All components in
the system were synchronized to a single source to extend the
usefulness of the historical data displayed on the HMI.
For machine protection, a Rockwell Automation XM system was
installed for both independent electronic overspeed and complete
train vibration protection. Although this system is fully
independent, a DeviceNet communication link allows complete
integration of the system variables into the TMS-1000S. Detailed
vibration and overspeed screens were provided on the HMI for
operator use.
Where possible, such as for the local gas skids, remote I/O
blocks were located close to the equipment, and data was sent
to the central controller over a redundant ControlNet network.
The networks utilized both copper and fiber media, depending
on distance and plant location of the I/O modules. This approach
eliminated the need to run large amounts of wire from the base
controller to these modules, which provided a significant saving
in material and installation costs.
As part of the plant control system upgrade, TTS provided a
dual-language, multi-unit HMI. This HMI was server-client based,
allowing for additional HMIs to be easily added and integrated
into the HMI system as subsequent plant units were upgraded.
Termoyopal also wanted to make full use of the additional data
acquisition, storage, and presentation capabilities provided by
an integrated digital system. To accomplish this, TTS provided
a separate historian and worked with plant personnel to build
structured Excel reports that automatically read the data from
the HMI historian.
The standard turbine/generator control system graphics were
also modified and augmented to meet Termoyopal's needs as
identified by site personnel. Operators now have the ability to
go online with each PAC to view and troubleshoot logic in real
time. Reports can be generated automatically, minimizing the
time it takes to create operator logs. Trends are available in both
real-time and historical format for system troubleshooting and
maintenance. There are dedicated screens for maintenance tests,
I/O screens by module, and system diagnostics. The new control
platform helped an already well-informed and knowledgeable
staff become even better at the operation and maintenance of
their plant.
Termoyopal also wanted to make
full use of the additional data
acquisition, storage, and presentation
capabilities provided by
an integrated digital system.
Several other upgrades were also performed, including:
■ Connection of the system to the Eaton/Cutler Hammer motor
control centers (MCCs) on site to allow for the monitoring and
storage of MCC starter information and for the presentation of
this information on the HMIs.
■ Integration of the existing plant GPS into the control system
to allow for synchronization and real-time stamping of data
and events.
Maximum availability is our mission.
Top-decile performance is our measure.
■ Addition of Modbus communications to the gas plant, which
allowed data from the gas supply skid to be displayed in the
gas plant's DCS.
The base control and protection system hardware and softAt
NRG Energy Services, our operations &
maintenance knowledge goes well beyond
the nuts and bolts.

Reporting
Technical Support
ISO Scheduling
Major Maintenance Programs
Operation and Maintenance
Environmental, NERC
and Regulatory Compliance
Call us today at 855.532.4984
nrgenergy.com/energyservices/oandm
NRG is a registered servicemark of NRG Energy, Inc.
© 2013 NRG Energy, Inc. All rights reserved.
circle 17 on reader service card
24
www.powermag.com
POWER | October 2013
ware were essentially the same for all five units. This meant
that plant engineers and operators could learn about all the
units following a single training course. Training was provided
to plant personnel on an ongoing basis as each individual
unit was upgraded and integrated into the system. Because
the BOP system control was also implemented using the same
basic hardware and software, only minimal additional training
was required to allow for operational familiarity with
these systems.
Replacing its aging equipment and unsupported software platforms
allowed Termoyopal to realize some significant benefits.
These included:
■ Significantly reduced overall inventory and individual component
costs.
■ Reduced long-term personnel training costs.
■ Improved equipment system data acquisition, analysis, and
storage tools.
■ Improved operational and engineering productivity.
■ Improved system reliability and availability.
■ Significantly reduced overall cost of ownership. ■
-Chris Crowell is project engineer with Turbine Technology
Services.
http://www.nrgenergy.com/energyservices/oandm http://www.powermag.com

POWER October 2013

Table of Contents for the Digital Edition of POWER October 2013

Contents
POWER October 2013 - Cover1
POWER October 2013 - Cover2
POWER October 2013 - Contents
POWER October 2013 - 2
POWER October 2013 - 3
POWER October 2013 - 4
POWER October 2013 - 5
POWER October 2013 - 6
POWER October 2013 - 7
POWER October 2013 - 8
POWER October 2013 - 9
POWER October 2013 - 10
POWER October 2013 - 11
POWER October 2013 - 12
POWER October 2013 - 13
POWER October 2013 - 14
POWER October 2013 - 15
POWER October 2013 - 16
POWER October 2013 - 17
POWER October 2013 - 18
POWER October 2013 - 19
POWER October 2013 - 20
POWER October 2013 - 21
POWER October 2013 - 22
POWER October 2013 - 23
POWER October 2013 - 24
POWER October 2013 - 25
POWER October 2013 - 26
POWER October 2013 - 27
POWER October 2013 - 28
POWER October 2013 - 29
POWER October 2013 - 30
POWER October 2013 - 31
POWER October 2013 - 32
POWER October 2013 - 33
POWER October 2013 - 34
POWER October 2013 - 35
POWER October 2013 - 36
POWER October 2013 - 37
POWER October 2013 - 38
POWER October 2013 - 39
POWER October 2013 - 40
POWER October 2013 - 41
POWER October 2013 - 42
POWER October 2013 - 43
POWER October 2013 - 44
POWER October 2013 - 45
POWER October 2013 - 46
POWER October 2013 - 47
POWER October 2013 - 48
POWER October 2013 - 49
POWER October 2013 - 50
POWER October 2013 - 51
POWER October 2013 - 52
POWER October 2013 - 53
POWER October 2013 - 54
POWER October 2013 - 55
POWER October 2013 - 56
POWER October 2013 - 57
POWER October 2013 - 58
POWER October 2013 - 59
POWER October 2013 - 60
POWER October 2013 - 61
POWER October 2013 - 62
POWER October 2013 - 63
POWER October 2013 - 64
POWER October 2013 - 65
POWER October 2013 - 66
POWER October 2013 - 67
POWER October 2013 - 68
POWER October 2013 - 69
POWER October 2013 - 70
POWER October 2013 - 71
POWER October 2013 - 72
POWER October 2013 - 73
POWER October 2013 - 74
POWER October 2013 - 75
POWER October 2013 - 76
POWER October 2013 - 77
POWER October 2013 - 78
POWER October 2013 - 79
POWER October 2013 - 80
POWER October 2013 - 81
POWER October 2013 - 82
POWER October 2013 - 83
POWER October 2013 - 84
POWER October 2013 - 85
POWER October 2013 - 86
POWER October 2013 - 87
POWER October 2013 - 88
POWER October 2013 - Cover3
POWER October 2013 - Cover4
https://www.nxtbook.com/accessintelligence/POWER/pwr_march-2024
https://www.nxtbook.com/accessintelligence/POWER/pwr_february-2024
https://www.nxtbook.com/accessintelligence/POWER/pwr_january-2024
https://www.nxtbook.com/accessintelligence/POWER/pwr_december-2023
https://www.nxtbook.com/accessintelligence/POWER/pwr_november-2023
https://www.nxtbook.com/accessintelligence/POWER/power-october-2023
https://www.nxtbook.com/accessintelligence/POWER/re-tech-supp-to-power-september-2023
https://www.nxtbook.com/accessintelligence/POWER/power-september-2023
https://www.nxtbook.com/accessintelligence/POWER/power-and-re-tech-supp-september-2023
https://www.nxtbook.com/accessintelligence/POWER/power-august-2023
https://www.nxtbook.com/accessintelligence/POWER/power-july-2023
https://www.nxtbook.com/accessintelligence/POWER/power-june-2023
https://www.nxtbook.com/accessintelligence/POWER/power-may-2023
https://www.nxtbook.com/accessintelligence/POWER/power-april-2023
https://www.nxtbook.com/accessintelligence/POWER/power-march-2023
https://www.nxtbook.com/accessintelligence/POWER/power-february-2023
https://www.nxtbook.com/accessintelligence/POWER/power-january-2023
https://www.nxtbook.com/accessintelligence/POWER/power-december-2022
https://www.nxtbook.com/accessintelligence/POWER/power-november-2022
https://www.nxtbook.com/accessintelligence/POWER/Power-October-2022-140th-Anniversary-Supp
https://www.nxtbook.com/accessintelligence/POWER/Power-October-2022-and-Anniversary-Supp
https://www.nxtbook.com/accessintelligence/POWER/power-and-re-tech-supp-september-2022
https://www.nxtbook.com/accessintelligence/POWER/power-september-2022
https://www.nxtbook.com/accessintelligence/POWER/power-august-2022
https://www.nxtbook.com/accessintelligence/POWER/Power-July-2022-Intl
https://www.nxtbook.com/accessintelligence/POWER/power-july-2022
https://www.nxtbook.com/accessintelligence/POWER/power-june-2022-intl
https://www.nxtbook.com/accessintelligence/POWER/power-june-2022
https://www.nxtbook.com/accessintelligence/POWER/power-may-2022
https://www.nxtbook.com/accessintelligence/POWER/power-may-2022-intl
https://www.nxtbook.com/accessintelligence/POWER/power-april-2022
https://www.nxtbook.com/accessintelligence/POWER/Power-April-2022-Intl
https://www.nxtbook.com/accessintelligence/POWER/power-march-2022
https://www.nxtbook.com/accessintelligence/POWER/power-february-2022
https://www.nxtbook.com/accessintelligence/POWER/power-january-2022
https://www.nxtbook.com/accessintelligence/POWER/power-december-2021
https://www.nxtbook.com/accessintelligence/POWER/power-top-plants-supp-december-2021
https://www.nxtbook.com/accessintelligence/POWER/power-november-2021
https://www.nxtbook.com/accessintelligence/POWER/power-october-2021
https://www.nxtbook.com/accessintelligence/POWER/power-september-2021
https://www.nxtbook.com/accessintelligence/POWER/power-august-2021
https://www.nxtbook.com/accessintelligence/POWER/power-july-2021
https://www.nxtbook.com/accessintelligence/POWER/power-june-2021
https://www.nxtbook.com/accessintelligence/POWER/power-may-2021
https://www.nxtbook.com/accessintelligence/POWER/power-april-2021
https://www.nxtbook.com/accessintelligence/POWER/power-march-2021
https://www.nxtbook.com/accessintelligence/POWER/power-february-2021
https://www.nxtbook.com/accessintelligence/POWER/power-january-2021
https://www.nxtbook.com/accessintelligence/POWER/power-december-2020
https://www.nxtbook.com/accessintelligence/POWER/power-november-2020
https://www.nxtbook.com/accessintelligence/POWER/power-october-2020
https://www.nxtbook.com/accessintelligence/POWER/power-september-2020
https://www.nxtbook.com/accessintelligence/POWER/power-august-2020
https://www.nxtbook.com/accessintelligence/POWER/power-july-2020
https://www.nxtbook.com/accessintelligence/POWER/power-june-2020
https://www.nxtbook.com/accessintelligence/POWER/power-may-2020
https://www.nxtbook.com/accessintelligence/POWER/power-april-2020
https://www.nxtbook.com/accessintelligence/POWER/power-march-2020
https://www.nxtbook.com/accessintelligence/POWER/power-february-2020
https://www.nxtbook.com/accessintelligence/POWER/power-january-2020
https://www.nxtbook.com/accessintelligence/POWER/power-december-2019
https://www.nxtbook.com/accessintelligence/POWER/power-november-2019
https://www.nxtbook.com/accessintelligence/POWER/power-october-2019
https://www.nxtbook.com/accessintelligence/POWER/power-september-2019
https://www.nxtbook.com/accessintelligence/POWER/power-august-2019
https://www.nxtbook.com/accessintelligence/POWER/power-july-2019
https://www.nxtbook.com/accessintelligence/POWER/power-june-2019
https://www.nxtbook.com/accessintelligence/POWER/power-may-2019
https://www.nxtbook.com/accessintelligence/POWER/power-april-2019
https://www.nxtbook.com/accessintelligence/POWER/power-march-2019
https://www.nxtbook.com/accessintelligence/POWER/power-february-2019
https://www.nxtbook.com/accessintelligence/POWER/power-january-2019
https://www.nxtbook.com/accessintelligence/POWER/power-december-2018
https://www.nxtbook.com/accessintelligence/POWER/power-november-2018
https://www.nxtbook.com/accessintelligence/POWER/power-october-2018
https://www.nxtbook.com/accessintelligence/POWER/power-september-2018
https://www.nxtbook.com/accessintelligence/POWER/power-august-2018
https://www.nxtbook.com/accessintelligence/POWER/power-july-2018
https://www.nxtbook.com/accessintelligence/POWER/power-june-2018
https://www.nxtbook.com/accessintelligence/POWER/power-may-2018
https://www.nxtbook.com/accessintelligence/POWER/power-april-2018
https://www.nxtbook.com/accessintelligence/POWER/power-march-2018
https://www.nxtbook.com/accessintelligence/POWER/power-february-2018
https://www.nxtbook.com/accessintelligence/POWER/power-january-2018
https://www.nxtbook.com/accessintelligence/POWER/power-december-2017
https://www.nxtbook.com/accessintelligence/POWER/power-november-2017
https://www.nxtbook.com/accessintelligence/POWER/power-october-2017
https://www.nxtbook.com/accessintelligence/POWER/power-september-2017
https://www.nxtbook.com/accessintelligence/POWER/power-august-2017
https://www.nxtbook.com/accessintelligence/POWER/power-july-2017
https://www.nxtbook.com/accessintelligence/POWER/power-june-2017
https://www.nxtbook.com/accessintelligence/POWER/power-may-2017
https://www.nxtbook.com/accessintelligence/POWER/power-april-2017
https://www.nxtbook.com/accessintelligence/POWER/power-march-2017
https://www.nxtbook.com/accessintelligence/POWER/power-february-2017
https://www.nxtbook.com/accessintelligence/POWER/power-january-2017
https://www.nxtbook.com/accessintelligence/POWER/power-december-2016
https://www.nxtbook.com/accessintelligence/POWER/power-november-2016
https://www.nxtbook.com/accessintelligence/POWER/power-october-2016
https://www.nxtbook.com/accessintelligence/POWER/power-september-2016
https://www.nxtbook.com/accessintelligence/POWER/power-august-2016
https://www.nxtbook.com/accessintelligence/POWER/power-july-2016
https://www.nxtbook.com/accessintelligence/POWER/power-june-2016
https://www.nxtbook.com/accessintelligence/POWER/power-may-2016
https://www.nxtbook.com/accessintelligence/POWER/power-april-2016
https://www.nxtbook.com/accessintelligence/POWER/power-march-2016
https://www.nxtbook.com/accessintelligence/POWER/power-february-2016
https://www.nxtbook.com/accessintelligence/POWER/power-january-2016
https://www.nxtbook.com/accessintelligence/POWER/power-december-2015
https://www.nxtbook.com/accessintelligence/POWER/power-november-2015
https://www.nxtbook.com/accessintelligence/POWER/power-october-2015
https://www.nxtbook.com/accessintelligence/POWER/power-september-2015
https://www.nxtbook.com/accessintelligence/POWER/power-august-2015
https://www.nxtbook.com/accessintelligence/POWER/power-july-2015
https://www.nxtbook.com/accessintelligence/POWER/power-june-2015
https://www.nxtbook.com/accessintelligence/POWER/power-may-2015
https://www.nxtbook.com/accessintelligence/POWER/power-april-2015
https://www.nxtbook.com/accessintelligence/POWER/power-march-2015
https://www.nxtbook.com/accessintelligence/POWER/power-february-2015
https://www.nxtbook.com/accessintelligence/POWER/power-january-2015
https://www.nxtbook.com/accessintelligence/POWER/power-december-2014
https://www.nxtbook.com/accessintelligence/POWER/power-november-2014
https://www.nxtbook.com/accessintelligence/POWER/power-october-2014
https://www.nxtbook.com/accessintelligence/POWER/power-september-2014
https://www.nxtbook.com/accessintelligence/POWER/power-august-2014
https://www.nxtbook.com/accessintelligence/POWER/power-july-2014
https://www.nxtbook.com/accessintelligence/POWER/power-june-2014
https://www.nxtbook.com/accessintelligence/POWER/power-may-2014
https://www.nxtbook.com/accessintelligence/POWER/power-april-2014
https://www.nxtbook.com/accessintelligence/POWER/power-march-2014
https://www.nxtbook.com/accessintelligence/POWER/power-february-2014
https://www.nxtbook.com/accessintelligence/POWER/power-january-2014
https://www.nxtbook.com/accessintelligence/POWER/power-december-2013
https://www.nxtbook.com/accessintelligence/POWER/power-november-2013
https://www.nxtbook.com/accessintelligence/POWER/power-october-2013
https://www.nxtbook.com/accessintelligence/POWER/power-september-2013
https://www.nxtbook.com/accessintelligence/POWER/power-august-2013
https://www.nxtbook.com/accessintelligence/POWER/power-july-2013
https://www.nxtbook.com/accessintelligence/POWER/power-june-2013
https://www.nxtbook.com/accessintelligence/POWER/power-may-2013
https://www.nxtbook.com/accessintelligence/POWER/power-april-2013
https://www.nxtbook.com/accessintelligence/POWER/power-march-2013
https://www.nxtbook.com/accessintelligence/POWER/power-february-2013
https://www.nxtbook.com/accessintelligence/POWER/power-january-2013
https://www.nxtbook.com/accessintelligence/POWER/power-december-2012
https://www.nxtbook.com/accessintelligence/POWER/power-november-2012
https://www.nxtbook.com/accessintelligence/POWER/power-october-2012
https://www.nxtbook.com/accessintelligence/POWER/power-september-2012
https://www.nxtbook.com/accessintelligence/POWER/power-august-2012
https://www.nxtbook.com/accessintelligence/POWER/power-july-2012
https://www.nxtbook.com/accessintelligence/POWER/power-june-2012
https://www.nxtbook.com/accessintelligence/POWER/power-may-2012
https://www.nxtbook.com/accessintelligence/POWER/power-april-2012
https://www.nxtbook.com/accessintelligence/POWER/power-march-2012
https://www.nxtbook.com/accessintelligence/POWER/power-february-2012
https://www.nxtbook.com/accessintelligence/POWER/power-january-2012
https://www.nxtbook.com/accessintelligence/POWER/power-november-2011
https://www.nxtbook.com/accessintelligence/POWER/power-october-2011
https://www.nxtbook.com/accessintelligence/POWER/power-september-2011
https://www.nxtbook.com/accessintelligence/POWER/power-august-2011
https://www.nxtbook.com/accessintelligence/POWER/power-july-2011
https://www.nxtbook.com/accessintelligence/POWER/power-june-2011
https://www.nxtbook.com/accessintelligence/POWER/power-may-2011
https://www.nxtbook.com/accessintelligence/POWER/power-april-2011
https://www.nxtbook.com/accessintelligence/POWER/power-march-2011
https://www.nxtbook.com/accessintelligence/POWER/power-february-2011
https://www.nxtbook.com/accessintelligence/POWER/power-january-2011
https://www.nxtbook.com/accessintelligence/POWER/power-december-2010
https://www.nxtbook.com/accessintelligence/POWER/power-november-2010
https://www.nxtbook.com/accessintelligence/POWER/power-october-2010
https://www.nxtbook.com/accessintelligence/POWER/power-september-2010
https://www.nxtbook.com/accessintelligence/POWER/power-august-2010
https://www.nxtbook.com/accessintelligence/POWER/power-july-2010
https://www.nxtbook.com/accessintelligence/POWER/power-june-2010
https://www.nxtbook.com/accessintelligence/POWER/power-may-2010
https://www.nxtbookmedia.com