Welcome, Guest Log in | Create an Account | EPRI Websites | Help | Contact Us Search Tips Home About EPRI Research Events Careers Newsroom Overview | Sensor Projects | Robot Projects | Sensor Development Approach | Robot Development Approach You are here: Research > Power Delivery & Utilization > Transmission Lines and Substations > Sensors & Robots > Sensor Projects Sensor Projects Transmission Line Projects Assessment of Transmission EPRI is conducting research and development in a wide range of areas related Line Sensors to sensors. Detailed summaries of individual projects are listed below alphabetically by area. Conductor/Connector Sensor Fault Current/Lightning Sensor Image Processing for Transmission Lines Assessment of Transmission Line Sensors Suspension Insulator Leakage In addition to developing a suite of Transmission Current Sensor Line sensors, EPRI has been testing and evaluating a range of other sensor technologies. Vibration Sensor Suite Underground Tranmission Conductor/Connector Sensor Project Summaries by Phase Projects This project is developing and demonstrating This page presents EPRIs active Oil Pressure Sensor projects grouped by the current low-cost RF sensors to assess conductors and Underground Transmission compression connectors on overhead transmission project phase (R&D, Development, Sensors lines. Testing, Demonstration, and Commercialization). Substation Projects View Projects by Phase 3D Acoustic Emission Fault Current/Lightning Sensor Interactive Map of Demonstration Sites Transformer Monitoring This project is developing an RF sensor that is This page presents an interactive Assessment of Substation installed either on the shield wire or the down map showing the locations of Sensors conductor of a transmission line to continually EPRIs current demonstration measure the magnitude and time of both fault and GIC Monitor projects and the technologies being lightning currents. demonstrated. Load Tap Changer Sensor View Map of Demonstration Sites MIS Sensor for Gas in Oil Image Processing for Transmission Lines Commercialization On-line FRA A portion of EPRIs website is This project is developing image processing On-line Infrared devoted to transmission and cameras that can be installed on transmission lines substation technologies that have Post Insulator Leakage Current to automatically measure and report activity. been commercialized. Sensor Commercialized Transmission & SF6 Density Sensor Substation Technology Suspension Insulator Leakage Current Sensor Substation-Wide RF Detection This project is developing an RF sensor that clips Wireless Acoustic Emission onto the end of a transmission suspension Sensors Transmission Line R&D Roadmap insulator string to measure the leakage currents (PDF 7.90MB) Wireless Mesh flowing on the insulator. Underground Transmission R&D Other Projects Roadmap (PDF 2.24MB) Vibration Sensor Suite Power Harvesting for Sensors This project is developing a suite of low-cost RF Sensor Lab sensors that measure vibration in three axes. The Sensor-SCADA Integration sensors can report the results in real-time or store the results for future analysis. Projects by Phase Interactive Map of Demonstration Sites Oil Pressure Sensor This project is developing an RF sensor for measuring oil pressure in components, such as oil-filled terminations. The RF sensor uses a 4-20mA input so the sensor can be applied in a range of other applications. Underground Transmission Sensors
This project is to investigate, evaluate, anddemonstrate technologies in extruded dielectrictransmission cable system monitoring.3D Acoustic Emission Transformer MonitoringThe project goals are to explore improvedtechniques and algorithms for diagnosis of powertransformers using Acoustic Emission.Assessment of Substation SensorsCondition monitoring of substation equipment hasan inherent value based on preventing failure;maximizing future operation of the equipment;appropriately scheduling and determining theextent of inspections and maintenance; providingfor personnel safety; and protecting theenvironment.GIC MonitorEPRI has a network of sensors on the neutrals oflarge network transformers that are susceptible toGICs (Geomagnetically Induced Currents).Load Tap Changer SensorA lower cost technology has been developed tomonitor gas ratios in Load Tap Changers (LTCs)without measuring each gas individually.MIS Sensor for Gas in OilThe project goal is to develop a solid-stateHydrogen and Acetylene sensor for detectingthese fault gasses within oil-insulated systemssuch as transformers, cables, or instrumenttransformers.On-line FRAThe projects goal is to perform fielddemonstrations of the concept of on-lineFrequency Response Analysis (FRA).On-line InfraredThis project aims to automate infrared substationinspections.Post Insulator Leakage Current SensorThis project is developing an RF sensor that isinstalled at the base of either substation ortransmission line post-type insulators.SF6 Density SensorThe project goal is to investigate the capabilities ofpressure, temperature, and density sensors toaccurately measure low levels of SF6 leakage.Substation-Wide RF DetectionThe project goal is to quantify and trend the RFsignals across a large substation. The projectconcept is to adapt wireless mesh sensors (see
project summary for Wireless Mesh) to be able to measure the local RF signals. Wireless Acoustic Emission Sensors The project goal is to perform field demonstrations of wireless acoustic sensors to assess the benefits for diagnostics of substation apparatus Wireless Mesh The project goal is first to explore the various power management approaches suitable for large lower-power wireless mesh deployments. Power Harvesting for Sensors This project is to investigate the feasibility of robotic tools to inspect and maintain components within an underground cable vault. Sensor Lab The aim of this project is to develop a laboratory with a collection of sensors and sensor-enabling technologies for use with EPRI sensor-related projects. Sensor-SCADA Integration The project aims to provide a standardized access to sensor data for utility RTU/SCADA systems, archive sensor data in local substation databases, and to provide advanced visualization and user interfaces.Listed below are EPRIs active projects grouped by the current project phase. Fundamental R&D Development Lab Testing Demonstration Commercialization 3D Acoustic Emission X Transformer Monitoring GIC Monitor X Underground X Transmission Sensors Conductor/Connector X X Sensor Fault Current/Lightning X X Sensor On-line Infrared X Power Harvesting for X Sensors Substation-Wide RF X Detection Suspension Insulator X X Leakage Current Sensor Vibration Sensor Suite X X X Image Processing for X X Transmission Lines Assessment of Transmission Line X Sensors
Fundamental R&D Development Lab Testing Demonstration Commercialization Load Tap Changer X Sensor Oil Pressure Sensor X On-line FRA X Post Insulator Leakage X Current Sensor Sensor-SCADA X Integration SF6 Density Sensor X Suspension Insulator X Leakage Current Sensor Wireless Acoustic X Emission Sensors Wireless Mesh XIn addition to developing a suite of Transmission Line sensors, EPRI has beentesting and evaluating a range of other sensor technologies. The sensors beingevaluated have applications ranging from dynamic rating to componentcondition. Utility experience when implementing the sensor technologies is alsobeing documented.Project Phase: DemonstrationThe annual research portfolio and supplemental projects are underway. Information on supplemental projects can be foundin the Supplemental Projects section. As part of the annual research portfolio, a database of sensors and documentary utilityexperience will be created. Sensor Development Approach Dynamic Thermal Circuit Rating Technologies Emerging Line Surveying TechnologiesThis project is developing and demonstrating low-cost RF sensors to assessconductors and compression connectors on overhead transmission lines. Thesensors measure the following parameters: Temperature Current Three axes of inclination Vibration in three axes (see the project summary for the Vibration Sensor Suite)Depending on the application, the sensors are configured with different algorithms and data transmission rates. They harvesttheir power from the current flowing in the transmission line, although they have an onboard battery as back-up. The sensorsare designed to be installed under energized conditions using hotsticks. Applications include the assessment of compressionconnectors (splices and dead-ends).Continual improvement of the sensors is underway. Areas of improvement include increasing the security of the RFtransmission, lowering the current required for power harvesting, refinement of algorithms, and improvement in reliability andmanufacturability.Project Phases: Development and DemonstrationSensors that measure temperature and current have been developed and are being demonstrated in numerous locations.Sensors that measure inclination have been developed and tested with the first demonstration underway. Refinement willcontinue. Sensors that measure vibration are currently under development and testing. A solar-powered base station hasbeen developed, which can collect the data from sensors, record weather parameters, and transmit the data to a centralserver.
Task Due Date Completed % CompleteDevelopment of Temperature and Current Measurement 2008 100%Development of Inclination Measurement 12/2011 80%Development of Vibration Measurement 6/2011 50% Sensor Sensor Installation Hotstick Hotstick Components Animation Installation Video Installation Video 2 Animation Demonstration Site Map Installed Sensor Photo Installed Sensor Photo 2 Base Station Photo Base Station Photo 2 Sensor Data Output Sensor Data Output 2 Sensor Development ApproachThis project is developing an RF sensor that is installed either on the shieldwire or the down conductor of a transmission line to continually measure themagnitude and time of both fault and lightning currents. Sensors can be polledafter an event to understand the location of a fault or the magnitudes of thelightning currents.Improvements to range, security, and manufacturability from other sensors willbe included in the final sensor design.Project Phases: Development and Lab TestingAll of the individual components of the sensor have been successfully tested. A technology demonstrator has been built andis being tested in the laboratory. Task Due Date Completed % Complete
Task Due Date Completed % CompleteLaboratory testing of technology demonstrator 9/2011 0%Refinement of packaging, electronics and algorithms 3/2012 0% Sensor Development ApproachThis project is developing image processing cameras that can be installed ontransmission lines to automatically measure and report activity. The camerasmeasure the following: Conductor motion ROW intrusion Avian interactionsThe cameras are paired with the solar-powered base stations that collect theRF sensor data.Project Phases: Lab Testing and DemonstrationAlgorithms have been developed and implemented on commercially-available cameras to measure conductor blowout andinstruction. Images can be collected based on the measurements or when commanded. The cameras have been paired withthe base stations and are currently being tested in the laboratory for reliability and integration with reporting software. Task Due Date Completed % CompleteComplete integration with base stations and reporting software 6/2011 100%Complete laboratory testing 8/2011 95%Field deployment 6/2012 0% Camera Installed Camera Installed 2 Camera Installed 3 Sensor Development ApproachThis project is developing an RF sensor that clips onto the end of atransmission suspension insulator string to measure the leakage currentsflowing on the insulator. The leakage currents are stored in histograms orreported real-time for analysis. Applications include: Improving washing schedules Understanding the contamination environment for dimensioning of insulators Understanding the rate of agingProject Phases: Development, Lab Testing, and DemonstrationThe first versions of the sensors have been developed and deployed at three locations. Susceptibility to high magnetic fieldsin certain orientations was identified as an issue in one of the field applications. A revised design is being developed andtested in the laboratory to address this. Improvements in the manufacturability are also underway. Improvements in the RFtransmission security and the addition of inclination and vibration to the sensors will be transferred from the
conductor/connector sensor development. Task Due Date Completed % Complete Increase in RF transmission range 3/2011 95% Reduction in susceptibility to high magnetic fields 6/2011 50% Improvement in manufacturability 7/2011 40% Sensor Sensor Installation Components Animation Animation Demonstration Site Map Sensor Installed on Porcelain Sensor Installed on Composite Insulator Insulator Sensor Development ApproachThis project is developing a suite of low-cost RF sensors that measurevibration in three axes. The sensors can report the results in real-time or storethe results for future analysis. The sensors can be attached to: Conductors (see the project summary for the conductor/connector sensor) Insulator assemblies StructuresFurther research and development is underway to improve algorithms and toprovide accurate time syncing between individual sensors so that relative motion between sensors can be more accuratelydetermined.Project Phases: Development, Lab Testing, and DemonstrationSensors that collect three dimensional acceleration have been developed and tested on laboratory vibration test rigs. Thedata is transmitted to a local base station where it is collected and delivered to a central server. Initial algorithms are underdevelopment, which are implemented on the server. When finalized, these algorithms will be implemented on the individualsensors. Two demonstrations are planned for mid-2011. Task Due Date Completed % Complete Sensor development 6/2012 50% Initial field demonstration 6/2011 90%
Demonstration Site Map Vibration sensor test Sensor Development ApproachThis project is developing an RF sensor for measuring oil pressure incomponents, such as oil-filled terminations. The RF sensor uses a 4-20mAinput so the sensor can be applied in a range of other applications.Project Phase: DemonstrationThe sensor has been developed and has passed laboratory testing. The firstfield testing is planned for May 2011, where field experience will be gained andany necessary revisions identified. Task Due Date Completed % CompleteField installation 5/2011 80%Review of field experience 12/2011 0% Demonstration Site Map Installed Sensor Photo Sensor Data Output Sensor Development ApproachThis project is to investigate, evaluate, and demonstrate technologies inextruded dielectric transmission cable system monitoring. The followingproperties and components are of interest for real-time monitoring: Partial discharges in cables, joints, and terminations Grounding and sheath bonding effectiveness (e.g., through monitoring of cable sheath current, grounding impedance, and sheath voltage limiter and link box condition) Cable movement through measurements of displacement of cable, cable racking, and clamps as a function of load current and surface temperature of joints and cables Strain and compression on cable cleats and racks as a function of load current and surface temperature of joints and cables Vibration of manhole walls, joints, cables, and racking systems caused by, for example, nearby traffic or construction workProject Phase: Fundamental R&D
Prototype parts are under evaluation. Lab testing and demonstration are planned. Task Due Date Completed % CompleteDevelop vision document and conduct industry survey Yes 100%Define project objectives Yes 100%Develop prototype parts TBD 20% Inspection and Monitoring Process Sensor Development Approach Project Technical UpdateThe project goals are to explore improved techniques and algorithms fordiagnosis of power transformers using Acoustic Emission. Through thedeployment of multiple Acoustic Emission sensors on the faces of thetransformer, information on the location of internal defects can be extracted.Project Phase: DemonstrationThe project has two systems presently out in the field gathering data fromgassing transformers. An ongoing parallel effort is analysis of the data to improve noise reduction and detect locationaccuracy. Task Due Date Completed % CompleteField tests to gather data TBD ??%Algorithm development to improve location accuracy and interpretation 12/2010 50% Sensor Development Approach Online Component Monitoring for Increased ReliabilityCondition monitoring of substation equipment has an inherent value based onpreventing failure; maximizing future operation of the equipment; appropriatelyscheduling and determining the extent of inspections and maintenance;providing for personnel safety; and protecting the environment. New andemerging sensing and diagnostic technologies play a strong role in helpingutilities achieve this goal. Many utilities are unaware of these technologies andhow best to interpret and implement them. This project documents the latestinspection, monitoring, and diagnostics technologies for substations, as well asearly adopters experiences, thus providing supporting industry data andresearch results to make these important decisions. It also researches new technologies and develops novel methodologiesto help develop the foundations for improved condition monitoring strategies.Project Phase: DevelopmentThis project is ongoing as part of the base project Next Generation Condition Monitoring and Diagnostics (P37.113).
Task Due Date Completed % Complete2011 Sensor Database Development 12/2011 70%Evaluation of sensor developments from multiple industries 12/2011 80%Evaluation of sensor technologies for substations 12/2012 0%Infrared Pocket Guide Updating 12/2012 0%Research into Surge Arresters failure modes and monitoring techniques 12/2012 0% Sensor Development ApproachEPRI has a network of sensors on the neutrals of large network transformersthat are susceptible to GICs (Geomagnetically Induced Currents). The networkof monitors sends GICs, as well as voltage, currents, and harmonic levels backto a central server for visualization. Members of the project (calledSUNBURST) can view their data at a 2s cadence. The data is used by EPRIfor research on GIC forecasting, mitigation strategies, and vulnerabilityassessments.Project Phase: Fundamental R&DMonitoring of the SUNBURST network is on-going. Task Due Date Completed % CompleteSUNBURST network monitoring Yes 100% Demonstration Site Map Sensor Development Approach Minimizing Risks from Geomagnetic DisturbancesA lower cost technology has been developed to monitor gas ratios in Load TapChangers (LTCs) without measuring each gas individually. This project isbased on previous EPRI research, in which an LTC fault gas analyzer wasdesigned, built and bench-tested using commercially-available technologies.The work program for this project consists of building LTC fault gas monitorsintended for mobile field applications and on-line use in LTCs at participantssite.Project Phase: DemonstrationThe first prototype LTC on-line monitor was installed July 2010. In addition tomonitoring the key gases acetylene and ethylene, this monitor was alsoequipped with a contact wear add-in. The field trial is on-going and is expectedto continue in 2011. Oil samples are been taken approximately every monthand the results compared to the monitor response.
Task Due Date Completed % CompleteLaboratory tests on a bench-top LTC 12/2007 Yes 100%Design and fabrication of the on-line monitor 12/2009 Yes 100%Installation and commissioning of the on-line monitor 7/2010 Yes 100%Field evaluations of the on-line monitor 12/2012 10% Demonstration Site Map Sensor Development Approach Online Component Monitoring for Increased Reliability Novel Sensors for Transformer DiagnosisThe project goal is to develop a solid-state Hydrogen and Acetylene sensor fordetecting these fault gasses within oil-insulated systems such as transformers,cables, or instrument transformers.Project Phase: Fundamental R&DThe semiconductor sensor designs have been developed within laboratorysettings. Testing has been completed in laboratory set-ups designed toreplicate many of the parameters the sensors would encounter in the field. Task Due Date Completed % CompleteHydrogen sensor design Yes 100%Acetylene sensor design 12/2011 50%MIS Sensor Animation Demonstration Site Map Schematic: MIS Hydrogen Sensor Prototype Acetylene MIS Sensor Layers Pre Lab Testing Lab Testing of MIS Sensor Sensor Development Approach
The projects goal is to perform field demonstrations of the concept of on-lineFrequency Response Analysis (FRA). The project will help to both understandthe unique benefits of this new approach and to refine the approach byoptimization of the on-line FRA algorithms.Project Phase: DemonstrationThe installation for the pilot was successfully completed on a distributiontransformer with an LTC. This is the first demonstration that includes an LTC. This is significant, as a unique on-line FRAbaseline exists for each LTC position and thus adds significant learning to this phase of the project. The next step is a furthernovel application to three single-phase 765kV transformers. Task Due Date Completed % CompleteField deployment on a 3-phase network transformer Yes 10%Field deployment on three single-phase 765kV transformer bank 12/2012 10%Field deployment on an LTC-equipped transformer 12/2012 10% Demonstration Site Map Sensor Development Approach Online Component Monitoring for Increased ReliabilityUtilities are continuously looking for technologies that can help them maintainor improve equipment reliability. One available technology, infrared imaging, isalready used because of its fault detection capabilities. However, most infraredcameras are portable and require manual operation. This project aims toautomate infrared substation inspections in order to: Increase employee safety, as walk-rounds are reduced Decrease inspection costs in overheads and deployment Increase the reliability, as maintenance decisions can be made based on consistent, empirical information Allow issues to be addressed when the first indications of impending equipment failure are detected Increase security at the site by detecting unauthorized access or animal intrusion to siteSome of the key research questions this research will aim to answer are: What are the factors that contribute to the difference in actual temperature measurements obtained and how can they be measured and corrected for? How can the information provided by these systems be implemented into present monitoring and maintenance strategies and what effect would this have?Project Phases: Development and DemonstrationThis is a new project started in November 2010.
Task Due Date Completed % CompleteProof of concept 10/1/2011 80%Concept demonstration and field trials 11/31/2012 0%System refinement and development of adoption strategies 11/31/2012 0%Infrared Monitoring Presentation Demonstration Site Map Sensor Development Approach Online Component Monitoring for Increased ReliabilityThis project is developing an RF sensor that is installed at the base of eithersubstation or transmission line post-type insulators. The leakage currents arecontinuously measured and stored in histograms or reported real-time foranalysis. Applications include: Improving washing schedules Understanding the contamination environment for dimensioning of insulators Understanding the rate of agingProject Phase: DemonstrationThree demonstration sites are in-service with more than three years experience at one test site where 30 sensors areinstalled to investigate road-salt contamination. Two new test sites are being planned to addressed pole fires. A solarpowered base station has been developed, which can collect the data from tens of sensors, record weather parameters, andtransmit the data to a central server.Research is underway to develop improved algorithms to identify when washing is necessary or a high risk condition isoccurring. Full-scale laboratory tests have been completed at 138kV and 345kV for porcelain, RTV coated, and resistiveglaze post insulators. Continual improvement in the post insulator leakage current sensor is underway. Areas of improvementinclude increasing security of RF transmission, lowering the current required for power harvesting, refinement of algorithms,improvement in reliability, and manufacturability. Task Due Date Completed % CompleteDevelop algorithms to identify when to wash insulators 8/2011 80% Sensor Sensor Installation Components Animation Animation
Demonstration Site Map Testing Site Photo Sensor Test Photo Sensor Development Approach Online Component Monitoring for Increased ReliabilityThe project goal is to investigate the capabilities of pressure, temperature, anddensity sensors to accurately measure low levels of SF6 leakage. Thisinformation will serve as a tool for anticipating SF6 top-up actions andquantifying SF6 mass loss for SF6 emissions tracking needs.Project Phase: DemonstrationTwo field demonstrations are presently underway: one in a 765kV substation and one in a 50kV substation. The datagathered over daily and seasonal variations is helping establish the conclusions on accuracy and stability. Task Due Date Completed % CompleteField data gathering in two substations in different climates Yes 100%Laboratory validation of field data 12/2011 0% Demonstration Site Map Sensor Development ApproachThe project goal is to quantify and trend the RF signals across a largesubstation. The project concept is to adapt wireless mesh sensors (see projectsummary for Wireless Mesh) to be able to measure the local RF signals. Thelow cost of the wireless sensors in the mesh would allow for dense deploymentin a substation.Project Phase: DevelopmentSubstation-wide RF surveys are being started to quantify the background noise and typical RF discharge signals fromsubstation apparatus. The photo shows early work in the characterization of the RF signals in the substation. Task Due Date Completed % CompleteScoping study 6/2011 30%Proof of concept 12/2011 0%
Demonstration Site Map Sensor Development Approach Online Component Monitoring for Increased ReliabilityThe project goal is to perform field demonstrations of wireless acoustic sensorsto assess the benefits for diagnostics of substation apparatus. The wirelessaspects allow for sensor deployments in areas otherwise inaccessible. Theacoustic emission aspects allow for detection of internal partial dischargeactivity without the need to modify the apparatus (i.e., the acoustic emissionsensors simply attach to the outer enclosure). The field demonstrations to-datehave focused on current transformers.Project Phase: DemonstrationThe project presently has ten wireless acoustic emission sensors in a 765kVsubstation. The sensors are harvesting solar energy. The sensor system hasbeen recently upgraded to improve range and robustness. Task Due Date Completed % CompleteShort-term field demonstrations on 69kV CTs and PTs Yes 100%Long-term field demonstrations on 765kV CTs 12/2011 80% Demonstration Site Map Sensor Development Approach Online Component Monitoring for Increased ReliabilityThe project goal is first to explore the various power management approachessuitable for large lower-power wireless mesh deployments. The second goal isto use the benefits of wireless sensors to demonstrate the value of a sensorsuite that could be rapidly deployed to address short-term problems that arisein a substation. The third goal is to demonstrate integration of the wirelesssensors into an IEC61850 compliant architecture.Project Phase: DemonstrationThe learnings from an earlier demonstration of a large wireless mesh are now being applied to the application of a new
wireless mesh deployment. The focus of the next deployment is wireless sensor integration into a laboratory environmentthat mimics the corporate architecture. Task Due Date Completed % CompleteResearch into power management approaches Yes 100%Development of temporary, rapidly deployable sensor mesh 12/2011 20%Demonstration of integration of the wireless sensors into an IEC61850 compliant TBD 0%architecture Demonstration Site Map Sensor Development ApproachSensors require a power source to measure and communicate results. EPRIhas research and demonstration of power harvesting and storage options forsensors that will eliminate the need for batteries or mains power. While wirelesstechnologies offer significant potential advantages to utility operations, theregular replacement of batteries represents a significant hurdle to realizingthese benefits. Power harvesting and storage could overcome this hurdle.Project Phase: DevelopmentIn 2010, the State of the Science review was completed, the test bed was designed, and components were acquired andbuilt. Implementation of the automation and control for the power harvesting test bed components and the design of the testprotocols is underway. Task Due Date Completed % CompleteState of the Science review Yes 100%Test bed development Yes 100%Test protocols 12/2011 0%Laboratory tests 12/2011 0% Power Harvesting and StorageThe aim of this project is to develop a laboratory with a collection of sensorsand sensor-enabling technologies for use with EPRI sensor-related projects.The main aim is to use the laboratory as a test bed to develop, evaluate, anddemonstrate the latest advancements in sensor technologies.The physical laboratory has been developed. Sensors have been implementedand are communicating. Task Due Date Completed % CompletePurchase hardware 1/1/2011 100%
Task Due Date Completed % CompleteSet up networking infrastructure 6/1/2011 100%Software development 12/12/2011 60% Sensor Lab Photo Sensor Lab Photo 2 Sensor Development ApproachThe project aims to provide a standardized access to sensor data for utilityRTU/SCADA systems, archive sensor data in local substation databases, andto provide advanced visualization and user interfaces. The goal is to improvethe availability of sensor data for utility use, standardize the sensorcommunication interface to facilitate data integration, and provide enhancedvisualization to support better situational awareness and decision making.Project Phase: DemonstrationA demo system has been set up in the EPRI Charlotte lab. Tests have been performed using overhead sensors, EPRI ZAP(Wireless Sensor Access Point), and utility SCADA and substation automation systems. Task Due Date Completed % CompleteResearch on standardizing the communication interface 12/2010 Yes 100%Implement the communication interface 12/2010 Yes 100%Develop GUI and local database 12/2010 Yes 100%Demonstrate the overall system in the EPRI lab 12/2010 Yes 100% Transmission Line sensor visualization example Visualization Technologies
Conductor / Connector Sensor VibrationSensor Suite Oil Pressure Sensor GIC Monitor Load Tap Changer Sensor Suspension Insulator Leakage Current SensorMIS Sensor for Gas in Oil