October, 2022
www.us-tech.com
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Streamlined HMI Key to Substation Automation Rollout Continued from previous page
from connected IEDs and RTUs using stan- dard web browsers. Beyond interface design improvements,
the integration of key features such as an alarm annunciator application is one of the areas that substation automation platforms have advanced significantly. The alarm annunciator in the NovaTech
platform is managed through the same WEB- server software. It includes preconfigured pages for data archiving/sequence of events recording, alarm annunciation, one-line dia- grams, IED faceplates, control screens, alarms, trending, and communications diag- nostics. “We gave NovaTech our substation
specs, and they wrote the original master and substation files for us,” says Smith. “From then on,
“What we wanted was a centralized way to monitor the megawatts per substa- tion and the amperage per feeder to ensure the load- ing levels were not exceed- ing our thresholds. This
issue becomes even more of a risk during the colder winter months.”
we just modified the program to fit each successive substation ourselves.”
Substation Network Carroll rolled out the Orion
system across 41 substations one at a time. For each installation, technicians wire, run ethernet cables, and get the relays set up in their control house before the engineering team set up and test- ed each Orion unit. “It really was pretty easy,”
says Smith. “Since the Orion pro- gram already had the pictures of our devices in the field, it was not difficult for us to configure the HMI to each new substation’s in- dividual specs.” One-line diagrams in the
Orion HMI show the status of the entire substation at a glance. This enables Carroll Electric’s dispatch team to quickly tell which feeders are open and if there are voltage issues. Feeder breaker zoom screens allow more detailed infor- mation to be viewed at the office such as: ground trip blocked, non reclosing, max amperage, power factor, and fault currents. Since installing the SCADA
system, Carroll has been able to respond to issues more quickly, resulting in shorter outage times for their customers. Previously, their personnel would have to drive out to a substation when there was an issue with a feeder or transformer. Now, most issues can be diagnosed remotely. Dur- ing extreme cold weather, em- ployees would be posted at vari- ous substations to collect amper- age readings throughout the day. Now the monitoring is done
To succeed in Industry 4.0, you need the right connections
PLC
from the office. The engineering team re- motely logs into the substation devices to
view settings, sequence of events and make changes if needed. “Our monthly substation checks are much more efficient,” said Smith. “We can download device settings, event logs, and loading data from the office without hav- ing to visit our substations [in person].” The remote monitoring capabilities that
the SCADA implementation has brought to Carroll’s engineering team have enabled them to manage the scope of their geograph- ically dispersed network and support the co- operative’s mission for reliable and cost-ef- fective service more efficiently. Contact: NovaTech, LLC, 1720
Control cabinet housing Novatech’s Orion substation automation platform.
Molasses Way, Quakertown, PA 18951 % 484-812-6000 Web:
www.novatechweb.com r
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