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NOZZLES & TOOLING CUSTOM & LED NOZ ZLES COMPONENT HANDLING A UTOMATION TOOLING
Nov/Dec, 2022 Production
Complete Automation Overhaul Benefits Smaller Utilities
By Del Williams
tial costs, high licensing fees, and complexity of such systems. However, advancements in web-based SCADA systems have
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transformed the process of installing, configuring, and managing such systems to manage substation performance. Modern web-based systems streamline installation and maintenance and provide engi- neers with a modern user interface they can easily configure. Case in point is the city of Seguin, Texas. The utility embarked
on an ambitious plan to integrate a new SCADA system with Outage Management System software, citywide WIFI, advanced metering in- frastructure (AMI) technology, GIS Mapping, and energy efficiency software to improve customer reliability and education. The system was designed to enable utility engineering teams to manage a dis- persed network and more efficiently support the cooperative’s mis- sion for reliable, cost-effective service. The City of Seguin had no trouble justifying the SCADA invest-
ment even though there are only three substations. The system pro- vides the same degree of monitoring and control system as imple- mented by larger utilities. To complete this ambitious SCADA implementation, the city
turned to M&S Engineering, a full-service electrical, civil, subsurface utility engineering, and surveying firm to develop all the specifica- tions outlined in the initial bid. For the physical infrastructure and sensors, M&S Engineering
specified an AMI System from Aclara, which includes nine collectors that gather smart meter readings. The data is then transmitted over a newly installed, citywide
Strix WIFI system to a central network, which allows multiple users and departments to access the information. To enhance communication and decision making, assets such as
electric poles and meters are now mapped and coordinated through ESRI, a geographic information system (GIS) mapping company. The GPS coordinates facilitate more efficient dispatching of utility trucks and service crews, when needed. For the SCADA system, M&S Engineering selected the OrionLX
system from the Power Division of NovaTech Automation, a substa- tion automation company that has served the power transmission and distribution market for more than 30 years. The company’s OrionLX is a communication and automation
processor that can connect to nearly any substation device in its na- tive protocol. For the most economical setup, the City of Seguin opted to install
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an OrionLX in each of its three substations that connect wirelessly to a browsing PC with multiple monitors, each representing a substation. The Orion RTU has advanced in the integration of functions pre- viously accomplished by separate physical devices. For example, sep- arate alarm annunciators and PCs do not have to be connected to the Orion RTU; only a monitor, keyboard, and mouse need be connected. The Orion Tile Annunciator is a pre-engineered product that can be set up in minutes to serve out alarm status. One-line diagrams in the Orion HMI show the status of the en-
tire substation at a glance. This enables dispatch teams to quickly tell which feeders are open and if there are voltage issues. Feeder breaker zoom screens allow more detailed information to be viewed at the office, such as: ground trip blocked, non-reclosing, max amper- age, power factor, and fault currents. History of events can also be ac- cumulated. In the future, the city of Seguin plans additional system up-
grades, including an energy efficiency program. This includes a new VoIP phone system and approximately eight additional WIFI units along with accompanying antennas to improve “self-healing” proper- ties. The utility is also investigating automated switching, which would involve adding control panels and motors to the existing air
break switches to facility operations through the SCADA system. Contact: NovaTech, LLC, 1720 Molasses Way, Quakertown, PA 18951 % 484-812-6000 Web:
www.novatechweb.com r
raditionally, small municipal electrical utilities like the one in the City of Seguin, Texas have believed that implementing a SCADA was simply out of reach, due to the perceived high ini-
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