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Fall 2011 - Presentations

Check this page periodically to learn about the Presentations scheduled for the Fall meeting.

• Opening Session
• Mini-Expo Vendors
• Subcommittee A
• Subcommittee B
• Subcommittee C
• Subcommittee D
• Subcommittee F
• Transnational Luncheon
• Educational Program

Please Note: This is a only a listing of the presentations and
UNLESS NOTED, DOES NOT IMPLY THE ORDER IN WHICH THEY WILL BE PRESENTED.

• Opening Session
  • Slides
• Mini-Expo Vendors
  • AP Sensing - AP Sensing will be showing their Linear Power Series which offers: • Real Time Distributed Temperature Monitoring of High Voltage Transmission & Distribution Lines • Asset Visualization • Hot Spot Detection • Dynamic Cable Rating / Real Time Thermal Rating • Emergency Rating • Reporting & Analysis
    Distributed temperature monitoring provides continuous monitoring of high power cable temperatures, detecting hot spots, delivering operational status, condition assessment and power circuit rating data. This helps operators optimize their transmission facilities and distribution networks, reducing operating costs and improving asset utilization. http://www.apsensing.com
  • Baker Hughes PPS
  • China National
  • East Jordan Iron Works
  • G&W Electric Company G&W Electric has been a global leader in providing innovative solutions to the electric power industry since 1905. Our product offerings include cable terminations, cable joints, load and fault interrupting switchgear, automatic circuit reclosers, SCADA and distribution automation products and high current limiting system protection devices. Stop by the mini expo to see our new line of PYTHON™ cable accessories featuring the mechanical shrink installation method. For more information visit www.gwelec.com.
  • HIGHVOLT - HIGHVOLT produces high voltage AC, DC and Impulse Test Systems and specializes in Test Equipment for Power Transformers, Cables and all Electrical Apparatus with the highest levels of customer support and engineering excellence. Table Top presentations will include Cable Test solutions for Field and Factory High Voltage testing including details on Mobile High Voltage Resonant Test systems for HV Cables.
  • HV TECHNOLOGIES, Inc.  HV TECHNOLOGIES, Inc. (HVT), has over a century of experience and dedication in serving the testing equipment needs for the power utility, power apparatus, and electronic equipment industries. Come by our booth to see how our range of VLF, AC or DAC sources for PD Cable Fault Diagnostic Testing or our VLF and AC systems for TD testing can serve you. Other Hi-pot sources are available as well a range of oil test equipment for Dielectric, Dissipation factor and moisture analysis. HVT, located in Manassas, Virginia, is a leading supplier of High Voltage and EMC Test Equipment and solutions.  Come visit us at the ICC Mini-Expo or on the web @ www.hvtechnologies.com.
  • Kinectrics "Kinectrics’ established industry experts provide clients worldwide with comprehensive engineering and testing services for Transmission and Distribution Technologies (TDT). Our proven expertise includes qualification and maintenance testing (AC Hi-Pot and Partial Discharge) for underground cables. Kinectrics’ has two high-power Mobile Resonant Test Systems for HV transmission cable withstand AC Hi-Pot Testing. Kinectrics also offers leading-edge capabilities for underground cable leak location and “one-stop” High Voltage / High Current lab facilities. Kinectrics’ specialists in generation, transmission, distribution, and environmental technologies use innovative science and engineering to help clients improve business performance. We offer life cycle management solutions in a broad range of technical disciplines across the energy sector. www.kinectrics.com"
  • LS Cable America Inc.
  • The Mears Group  Specializing in Horizontal Directional Drilling Services: One of the largest horizontal directional drilling contractors in the world with a fleet of 28 small, mid-size & large drilling rigs with up to 1,100,000 lbs. of pullback that can install pipe up to 60 inches in diameter and up to 8,000 feet in length. For more information on our services, please call: U.S. (800) 632-7727, Canada (780) 955-7155 or visit www.mears.net.
  • Sumitomo Electric USA Inc.
  • TE Connectivity - Energy Div
  • UtilX Corp "UtilX^® Corporation, the global leader in life-extension technologies, provides proprietary CableCURE^® cable rejuvenation, along with CableWISE^® system-wide condition assessment, including cable testing, and has restored more than 80 million feet of unreliable power cable. www.utilx.com."
  • W.A. Chester, L.L.C. is the industry-leading electrical contractor for the installation, maintenance and repair of underground high voltage pipe-type and solid dielectric cable transmission and distribution systems. Founded in the 1930’s, our clients include electric utility companies and independent power producers in the United States and Canada and we are one of three specialty contractors performing this type of work on a national basis. In addition to underground systems, W.A. Chester, L.L.C. has expanded its services to include installation, maintenance and repair of overhead electric distribution cable systems. For more information, please visit our website at www.wachester.com.
  • Wasson-ECE - Wasson-ECE provides a Tracer Analyzer for the location of dielectric oil leaks in underground high voltage cables. The Tracer Analyzer detects perfluorocarbon tracers (PFTs) in air from  tagged feeder oil leaks and greatly improves leak detection efficiency, eliminating the need  for freeze and pressure testing techniques and cable de-energization.  The analyzer is designed for a mobile environment with fully automated sampling and global positioning system (GPS) tracking. Our system has been successfully used domestically and internationally and has drastically reduced the time and cost involved in locating leaks. For more information please contact us: marketing@wasson-ece.com.
• Subcommittee A - Cable Construction and Design - Tuesday, October 25, 2011, 2:00 - 5:30 PM
  • 2:00 – 2:15 PM - Subcommittee Business/Announcements   Subcommittee A Presentation Program
  • 2:15 – 2:40 PM “Conditions Contributing to Premature Pipe Type Cable Failures”, Carlos Katz – Cable Technology Laboratories
    Abstract:  Laminar – oil insulated high voltage, high pressure cables have been in use since 1932.  These cables very seldom fail; however, when a failure takes place it has significant impact on the Utilities system performance.  Over the years Cable Technology Laboratories has been involved from time-to-time in the analysis of the condition and of failures taking place in 138, 230 and 345 kV cables of this type.  The presentation will review the design and manufacturing characteristics of HPFF cables followed by a review of characteristics that contribute to weakening the cable system and ultimately to its breakdown.  Several failure cases will be reviewed.
  • 2:40 – 3:05 PM “Initiation of Vented Water Trees by Severe Degradation of the Conductor Screen of Laboratory Aged MV XLPE Insulated Cables” , Sverre Hvidsten, Mildrid Selsjord and Hans Saeternes,  – Sintef Energy Research (Norway), Stine Kvande - Norwegian University of Science and Technology (Norway), Arve Ryen and Karl Magnus Bengtsson, Nexans Norway.
    Abstract:  It has previously been shown for service aged XLPE cables that porous structures in the conductor screen do develop and serve as path for contaminants and corrosion products from the aluminum conductor initiating vented water trees. It was found that a prerequisite for the formation of such structures is the presence of liquid water at the interface between the conductor and conductor screen causing corrosion. The main objective with this work is to present the results from laboratory ageing of 12 kV XLPE cables with Al conductor. It is shown that the same phenomenon is reproduced in the laboratory, and that e.g. the formation of interconnected porous structures in the conductor screen is independent of the applied voltage and load current.
  • Break – 3:05 – 3:25 PM
  •  3:25 – 3:50 PM “Next Generation Strippable Insulation Shield”, Dominic Kung, Ola Fagrell, Eric Marsden - Borealis
    Abstract: Since their introduction over 30 years ago, the present strippable insulation shield compounds have served the industry well.  However, as infrastructure is built in increasingly more hostile environments, performance limitations at both high and low temperatures have become apparent and are a source of concern for many utilities. A next generation insulation shield compound has been developed that addresses these problems, stripping easily and cleanly over a much wider temperature range than today’s standard products.
  • 3:50 - 4:15 PM “The Effect of Contaminants on Aging of TR-XLPE Insulated Cables: An Evaluation on Commercially Produced 15 kV Cables, Part 2:  The Technology to Produce Commercial Cables with Uniformly Distributed Contaminants”, George Valdes – Florida Power and Light;  Bill Temple, John Smith – General Cable;  Paul Cinquemani, Andrew Maunder, Patrick Coplen – Prysmian Power Cables;  Paul Caronia– Dow Chemical Co.;  Al Mendelsohn - Consultant
    Abstract:  In 2001, Florida Power & Light (FP&L) initiated a project to quantify the levels of contamination in the cables they purchase by means of a pellet sorter pilot study on commercial extrusion lines. The pellet sorter pilot studies highlighted the presence of unexpected numbers of rejects in the pellet stream of the TR-XLPE insulation used to manufacture cables. The vast majority of particles were loose dark flakes of various sizes, determined to be primarily degraded compound.
    In order to understand the effect these types of rejects or “contaminants” might have on the cable aging performance, General Cable, Prysmian Power Cables, and The Dow Chemical Company agreed to participate in a joint project with FP&L. A plan was developed to select some typical “contaminants” based on the findings of the pellet sorter pilot studies and to make commercial cables with laboratory prepared contaminant particles representative of those found in the pilot program. An accelerated cable aging protocol for testing the effect of these particles was also proposed, which after discussions with the ICEA and AEIC groups evolved to using both the ACLT time-to-failure test in tanks as well as the ICEA AWTT cable core qualification test.
    The first presentation in this series (Part 1) discussed the history and objective of the project in more detail and described very briefly the cable manufacturing and accelerated cable aging tests utilized in the project. This presentation will summarize the technology developed to produce commercial cables with uniformly distributed contaminants and the tests conducted to validate the suitability of the method. Future presentations will discuss: (a) the effect of preconditioning method on initial HVTT results, (b) the key data and findings from the various cable aging tests completed in 2010, as well as recommendations for future studies, and (c) key data from the additional cable aging tests started in 2011 and (d) overall conclusions.
  •  4:15 - 4:40 PM "Specifying Wind Energy Collection Systems for Maximum ROI”, Brent Richardson - Dow Electrical & Telecommunications, NA End Use Marketing Manager.
    Abstract:  There are many design factors (such as site location, system efficiencies, and funding costs) that impact the investment for a green field wind farm.   Most developers and owners have focused on improvements in the wind turbine to increase the economics of a wind farm.  Today, we are seeing increased importance being placed on the efficiency, reliability, and robustness of the medium voltage power cable collection systems.  This presentation highlights the impact of high quality cables and offers recommendations in selecting MV collection systems cables, leading to enhanced system reliability and economics over the life of the farm.
  • 4:40 - 5:05 PM “Material System for Extruded HVDC Cables in Commercial Use Since 1999 and Future Development”, Jan-Ove Boström, Ulf H. Nilsson, Dominic Kung, Per-Ola Hagstrand - Borealis
    Abstract:  Extruded HVDC cables have today been in commercial use since 1999. As the experience and confidence in extruded HVDC cables have continuously increased there are today more and more projects where such cables are used.   In the same time there has been an evolution toward higher voltage levels.  This presentation will describe the characteristics of a material system in use today and the ongoing work with development for the next generation extruded HVDC cables.
  • 5:05 - 5:30 PM “Accelerated Cable Life Test (ACLT) Results with Reduced Insulation Wall Thicknesses: An Update", John T. Smith, III - General Cable Corporation
    Abstract:  The IEEE P1407 Draft Guide for Accelerated Aging Tests for Medium-Voltage (5 kV – 35 kV) Extruded Electric Power Cables Using Water-Filled Tanks recommends that maximum conductor shield test stresses be limited to 300 V/mil (12/kV/mm). This presentation will show historical and current Accelerated Cable Life Test (ACLT) results of reduced insulation wall test specimens that were wet-aged in the 8kV/mm (200 V/mil) – 25kV/mm (500 V/mil) test stress range. Test results will show that for several past and currently commercially-available conductor shields and TRXLPE insulation systems that were wet-aged in this test stress range, characteristic life and testing times are ³ 2X that for full-size (4.45mm, 175mil) 15kV-rated insulation wall cables at the recommended maximum conductor shield test stress of 12kV/mm(300V/mil). This result is demonstrated in two (2) different ACLT protocols, and for two (2) different reduced insulation design thicknesses. ACLT results at higher aging test stresses (>16kV/mm (400V/mil) show significant reductions in characteristic life and testing times. Thermal preconditioning of the reduced wall test specimens to remove all crosslinking by-products (acetophenone, dimethylbenzylalcohol, alpha-methylstyrene) also contributes to a reduction in characteristic life and testing times. This complete removal of crosslinking by-products prior to accelerated wet-aging allows an estimation of the “true” dielectric life of the insulation system. Implications of these results on insulation wall cable design are discussed.
• Subcommittee B - Accessories - Wednesday, October 26, 2011, 8:00 AM - 12:00 PM
  • 8:00-8:15 AM – Introduction/Announcements, Harry Yaworski, Tyco Electronics – chair
  • 8:15-8:45 AM - “Design of the Collector Circuit and Cable Accessory for Windfarm Applications", Neal Parker, Puget Sound Energy.
    Abstract: Discuss the design of collector systems for wind farms, including a characterization of the load, cable sizing, and circuit bonding (multipoint, single-point, and cross bonding).  Also describe the cable accessories that are used and unique challenges that these accessories must meet.  Neal Parker has worked for Puget Sound Energy for over 30 years in various positions in field operations and in T&D Engineering.  He is currently working in the Standards department where he specializes in the design and construction of underground cable systems.  He holds a BSEE degree and an MBA.  He is a registered professional engineer, he serves on a number of IEEE committees, and has been a member of the ICC for many years.
  • 8:45-9:15 AM “600 A Connector Assembly Torque Issues”, Glenn Luzzi, Richards Manufacturing Co.
    Abstract: 600A elbows and components must be designed and installed to provide a connection that will ensure they will carry 600A steady-state, 900 A overload current and both 10 kA and 25 kA momentary currents. In addition, the connection system must sustain the above properties for the expected life of the connector.  This last factor, the mechanical stability of the connection, requires design considerations that need to be addressed by the supplier and ones that need to be fully understood by the user. Glenn Luzzi graduated from Stevens Institute of Technology in June of 1972 with a Bachelor of Electrical Engineering degree.  He began his 39-year career in power engineering with The Okonite Company as a Research Engineer in the High Voltage laboratory until October of 1978.  He then joined Elastimold as a joint and separable connector Product Design Engineer and ultimately their Director of Engineering heading up the design and development efforts for joints, separable connectors, submersible current-limiting fuses and vacuum switchgear.  He is currently the Manager of the medium voltage product line for Richards Manufacturing Co.  He authored or co-authored 16 U.S. patents as well as several pending patent applications.  He is a member of both the Switchgear and Insulated Conductors Committees and serves as Chairman of B2W, revisions to IEEE 404.
  • 9:15-9:45 AM “Technology Considerations for Medium Voltage Heatshrink Cable Accessories”, Matt Spalding, TE Connectivity
    Abstract: Present the fundamentals of medium voltage heatshrink joint and termination technology including sealing, thermal, stress control and connector methodology.  Matt Spalding has a BSEE Power Option NMSU, Graduate Studies Engineering Economic Systems Stanford, Distribution Standards Engineer – El Paso Electric, Various R&D Product & Sales Management Positions TE Connectivity, 5 Patents, 20+ years ICC, IEEE, ANSI & NEMA.
  • 9:45- 10:00 AM - Break
  • 10:00-10:30 AM “Qualification of Cable Accessories for 230 kV Extruded Cables”, Ivan Jovanovich & Milan Uzelac G&W Electric Company
    Abstract: G&W has developed product line of HV accessories for extruded cables 69 kV through 230 kV that utilize premolded silicone rubber components. These components, stress cones for outdoor and equipment type terminations and joints are pre-expanded in the factory and mechanically shrank onto the cable in the field. This presentation will outline the process of simultaneously developing products and manufacturing processes and some of the constraints that come with it. Main features of developed stress cones and joints will be presented, as well as the results of prequalification (PQ) test on complete 230 kV XLPE cable system.   Ivan Jovanovic received a B.S. degree in Electrical Engineering from the University of Belgrade (Serbia) and an MBA at Loyola University Chicago. He started his career in the field of Electric Power Systems as a Research Engineer in Nikola Tesla Institute in Belgrade. He has been employed at G&W Electric Company since 2001 where currently holds position of General Manager for Cable Accessories. He is responsible for development and production engineering of cable accessories at G&W locations in USA and China. He is a member of IEEE and CIGRE. Milan Uzelac graduated from Electro-technical University of Belgrade, Serbia, in 1968 with a major in Electrical Power Engineering.  Milan relocated to US in 1989 and continued his carrier with G&W Electric Company, Chicago as an R&D engineer, product engineer and chief R&D engineer. His responsibility has been the development and design of accessories for high and extra high voltage cables both with extruded and impregnated paper insulation.
  • 10:30-12:00 – Ad Hoc discussion group meeting – “Selection Guide for Cable Joints”, McLaughlin/Campbell
• Subcommittee C - Cable Systems - Monday, October 24, 2011, 2:00 - 5:30 PM
  • 2:00 -2:15 PM - Chairman’s Opening Remarks and Announcements
  • 2:15 – 2:45 PM – ”Wave Hub-World’s largest Wave Energy Test Center”, by Jack Howanski, JDR cables   Wave Hub is an in-situ Infrastructure cable and connection system that is designed to evaluate up to 4 different Wave Energy conversions under a range of wave conditions expected off the north coast of Cornwall in South West England.
    Wave Hub is designed to be connected to the National Grid system via a 25 kilometer subsea cable of transferring 20 MW’s at 33 KV.
    This presentation will present the following information:
    •  Scope of Design
    •  Physical & Electrical layout of the cable system &the protection and safety issues
    •  Dynamic  cable design from Hub to Wave Energy Device
    •  Dry mate connectors used in Dynamic cable
    •  Function and construction of the Wave Hub Hub (Wave Devices installed in active sites)
    •  Installation considerations for the cable hub
    •  Static cable design including EM fields associated with the 6-core cable
    •  Load-out, Installation and transportation of the overall system The presentation will also summarize the current status of the system and short term plans for testing/evaluation of Wave Energy devices.
  • 2:45 – 3:15 PM – “Design and Qualification of 400 kV Submarine Cables”, by Marco Marelli, Prysmian (Italy)  
    Recent developments with flexible joints are allowing the use of AC XLPE insulated cables for submarine application at higher voltages than in the past. These joints don't have any operational experience at 400 kV, yet. On the contrary, fluid filled cables have long operational experience at EHV levels, with submarine cables installed at significant depths. These were two of the reasons why for the ongoing project connecting Sicily with Italian mainland it was decided to adopt a lapped insulation technology but then, in order to improve the system performances, PPL insulated cables were developed and tested. Also, transition joints are foresees in order to connect PPL insulated submarine cables to XLPE land cables. Presentation describes the design criteria for cable system components and the associated qualification testing, giving an overview of the whole connection and the expected performances.
  • 3:15 - 3:45 PM - Break
  • 3:45 - 4:15 PM - "Installation of a 345kV XLPE Submarine Cable Circuit Under New York Harbor", by Earle C. (Rusty) Bascom, III, Electrical Consulting Engineers, P.C.
    The installation of an AC 345kV cable circuit between Bayonne, New Jersey and Brooklyn, New York was performed in August and September 2011.  This presentation summarizes the cable route and installation experiences during the cable laying operation and illustrates some of the equipment used during the project.
  • 4:15 – 4:45 PM - “Installation and Commissioning of an On-Line Real-Time Partial Discharge Monitoring System to monitor 230kV Cable Systems”, by  Sudhakar Cherukupalli, BC Hydro
    This presentation will discuss why this project was selected and discuss some of the experience gained during the installation and monitoring of 230kV SCFF cable stop joints in our network spread over a geographically large region in greater Vancouver. Some of the challenges faced, the experience gained, and future plans shall be presented
  • 4:45 – 5:15 PM Available Time Slot
  • 5:15 – 5:30 PM - Vice Chair’s Closing Remarks.
• Subcommittee D - Generating Station Cables - Monday, October 24, 2011, 9:15 AM - 12:30 PM
  • “Update on the UL Mark for Telecommunications Cable” - Steven Galan, Business Development Director, Wire & Cable - Underwriters Laboratories
  • “Fire rated cables test and installation - Standard development update” - Gil Shoshani, Sales Engineer, Rockbestos-Surprenant Cable Corporation
    Abstract   The purpose of the presentation is to review recent standard development regards to fire ratedcables test method and installation guide for the Petro-Chemical industry. The presentation will summarize IEEE P1717, “Standard for Testing Circuit Integrity Cables Using a Hydrocarbon Pool Fire Test Protocol” that is under development at IEEE ICC. The focus of the standard is to harmonize and optimize all cable fire tests standards with the goal of developing an industry-wide accepted test method for Fire Rated Cables. The presentation will also cover the recent updates in the following documents API 14 FZ “Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1 and Zone 2 Locations”.  API 2218 “Fireproofing Practices in Petroleum and Petrochemical Processing Plants” and other related standards will be reviewed for updates including fire rated cables selection and fire test considerations. In addition, the presentation will introduce the new IEEE P1810 ““Guide for the Installation of Fire-Rated Cables suitable for Hydrocarbon Pool Fires for Critical, and Emergency Shutdown Systems in Petroleum and Chemical Industries” that is under development at IEEE ICC and PCIC
    Gil Shoshani received his Bachelor’s of Science degree in Electrical Engineering from the University of New Haven in Connecticut in 1992.  He is with Rockbestos-Surprenant Cable Corp, (RSCC) as a Fire and Safety Sales Engineer and is chairman of IEEE P1810 and Vice chairman of IEEE P1910.  He has worked with Times Microwave Systems, Circuit Wise, TycoEngineered Systems and Orbotech Inc.
  • “EPRI Fukashima Daini Independent Review and Walkdown” - Drew Mantey, Senior Project Manager, EPRI
    Abstract: EPRI was requested to perform an independent review of the TEPCO Daini site looking at the effects of the Tokado earthquake and tsunami damage to the site. The three focus areas were earthquake effects, tsunami effects, and effects on safe shutdown capabilities. Input was provided on intermediate and long term recovery of capabilities as well as suggestions on improved capability for withstandingfuture severe accident conditions. This effort is documented in EPRI report1023422 which is available to the public at www.epri.com.
    Andrew Mantey has 29 years experience in the Nuclear Power Industry, 22 years utility experience and the last 7 years working for EPRI. He is a class of 1982 Drexel University Graduate with a degree in electrical engineering. Mr. Mantey received a Senior Reactor Operating certification in 1991, he has held a Thermography Level II certification since 2003. Andrew has extensive experience in large electrical components, systems, and predictive maintenance. He is currently a member of the Plant Engineering group at EPRI with a focus on cable aging management,system monitoring, and plant thermal performance. His experiences in Japan includes working with several Japanese utilities in development of condition based maintenance programs. He has made 35 trips to Japan over that time period including numerous visits to TEPCO Daichi, Daini, and Kashiwazki-Kariwa sites.
  • History of Testing Cables in Water – Submergence, Bob Fleming-The Kerite Company
    Abstract: Provides a brief history of the development of tests for cables and materials in wet environments, industry standards and characteristics measured.  Includes review of today’s AEIC/ICEA accelerated water treeing test followed by ac breakdown testing.  Goal is to develop a long term qualification test for submerged cables.
• Subcommittee F - Field Testing and Diagnostics - Tuesday, October 25, 2011, 8:00 AM - 12:00 PM
  • 08:00 Subcommittee & Working Group Business
  • 08:10 On-line partial discharge detection, location and monitoring on in-service cable networks, Malcolm Seltzer-Grant HVPD Ltd
    The presentation covers the application and recent experiences of on-line partial discharge (PD) measurements on in-service cable networks. Such testing allows the insulation condition of cables and plant to be assessed without de-energisation. Several aspects of the testing are discussed including signal detection, measurement, location, diagnosis, continuous monitoring and trending.  The site suitability for attachment of non-intrusive sensors for decoupling of PD signals is described. The use of at-site spot test measurements to identify PD activity combined with wide scale PD monitoring of sections of the network is discussed.
  • 08:40 The pC-value: what it really means for cable testing? Alexander Kraetge OMICRON
    This presentation will:
    ·       Identify the differences faced between lab and field testing,
    ·       How the pC value inside a measuring device is calculated,
    ·       What kind of restrictions have to be taken into account when measuring PD on a cable system in the field
  • 09:10 Condition Assessment of 15kV XLPE Industrial Cables based on the Condition Health Index, Prodipto Ghosh, Daniel Goetz, Henning Oetjen PSAMS,  SebaKMT, HDW Electronics
    The paper presents the test results of a substantial number of field aged 15kV XLPE cables, which underwent condition assessment testing at a large industrial site. The results of 4 inde- pendent test methods as well as the O&M history of the cables were considered in order to determine their Condition Health Index, CHI, which is correlated to a list of recommended corrective actions. A number of cables were processed according to the recommendations and re-tested. A comparison of the results before and after is provided. The total test sequence comprised a neutral corrosion test, a sheath test, a PD test within the power frequency range and a VLF tan delta test at 0.1Hz.     
  • 09:40 Break
  • 10:00 SENSITIVITY ASSESSMENT FOR FIELD PD MEASUREMENTS FOR HV AND EHV CABLE ACCESSORIES VIA LABORATORY TESTS, Mark Fenger, Jody Levine Kinectrics, HydroOne
    For the past decade and a half HV and EHV cable systems have been subject to after-laying commissioning withstand and partial discharge commissioning tests. As jointed cable systems constitute a large, distributed capacitance, the apparent charge of a partial discharge pulse is extremely small, and the high-frequency propagating transient is neither related to the apparent charge, nor conserved in propagation.  To achieve sufficient sensitivity, a distributed PD measurement, sensitive to the HF (> 1 MHz) propagating transient, must be performed. The relationship between the actual PD current, and therefore charge, and that of the detected PD current is not trivial and depends highly on the exact location of the discharge. Therefore, two primary problems exist with respect developing an acceptance level (sensitivity threshold) for field PD measurements: (A) Partial discharge magnitudes are not diagnostic. (B) Injection of known pulses with high-frequency content into HV and EHV accessories is not a trivial matter. A simple calibration constant between apparent charge and the magnitude of the detected transient cannot be established, nor is it necessary. This paper suggests a sensitivity assessment methodology for high-frequency field PD measurements which relies on characterization of the transfer function of individual HV & EHV cable accessories via laboratory tests (following successful type testing) and proposes how the results can be applied to PD field tests on similar accessories
  • 10:30 Condition Assessment of Seventeen 50kV XLPE Cable Circuits in the Netherlands, Frank de Vries Liandon HSI
    In this presentation the total approach to the diagnostic program will be discussed, including: project goal, selection of cables, measurement protocol, results and future plans
  • 11:00 Water Ingress and Condition Assessment of Oil-Filled High Voltage XLPE Terminations, Sverre Hvidsten¹, Knut Brede Liland¹ and Frank Mauseth² 1: SINTEF Energy Research, 2: Norwegian University of Science and Technology (NTNU)  
    Service failures of high voltage cable terminations can due to possible explosions cause a high risk for personnel. Typically, failures are experienced in terminations with oil-filled porcelain or composite housings. From the laboratory examinations of units failed in service it is observed that the most common failure is water ingress. An on-site/off-line prototype method for measuring water content at different positions inside oil filled high voltage cable terminations has been developed and tested. Laboratory measurements of partial discharges during water ingress into model and full-scale cable terminations with a light transparent housing were performed. The water droplet movements was visually studied and compared to the measured PD signals during the ingress.   Results from the on-site measurements are presented and compared with a conventional method. The laboratory measurements indicate that PD measurements cannot be used to detect water ingress in such installations due to the very low discharge levels even for high water contents.
  • 11:30 Advances in Time Domain Reflectometry as a tool for Cable System Diagnostics, Oscar Morel UtilX
    One of the obvious challenges posed by underground cable networks is that many important cable features are hidden from view.  Cable parameters like: cable length; splice number and location and cable neutral condition can be difficult to ascertain years after installation.  Time Domain Reflectometry (TDR) can often be used to determine many of these parameters however, the technology is not without its limitations.  Those limitations include: the need to de-energize and isolated cable sections; the quality of the conductor/neutral line pairing and pulse attenuation issues that limit the practical lengths over which TDR can be applied.  UtilX Corporation relies heavily on TDR technology during the delivery of its services.  It has therefore invested a great deal in research to enhance the application of TDR to underground cable systems.  Though highly theoretical, that research is beginning to pay off in terms of practical techniques which enhance the practice of TDR.  This presentation will discuss traditional and new techniques which are improving the accuracy and usefulness of TDR technology for field measurements of cable system parameters.
  • 12:00 Close
• Subcommitee G - Transnational Luncheon - Tuesday, October 25, 2011, 12:15 - 2:00 PM (Includes lunch, must register)
  • Opening by Wim Boone
  • Calendar of International events, Wim Boone
  • Dutch experience with 400kV onsite mobile AC testing, Henk Geene, Prysmian Cable and Systems, NL
  • Dry outdoor termination for XLPE cable, Hiroshi Niinobe, Viscas, Japan
  • 10 years experience in DTS measurements for long submarine cable in Japan, Shoji Mashio, J-Power Systems, Japan
  • Condition assessment on 20 years old 50kV XLPE cable circuits in the NL,  Frank de Vries, Alliander Netherlands
  • Commissioning Testing of 110 kV XLPE Cable Systems with DAC , Tamas Schachinger, GA Hungary
  • PD or not PD that's the question. PD measurement on HV cable terminations in a harsh electrical environment, Ruben Vogelsang, Brugg Cable, Switzerland.
  • CIGRE HVDC Colloquium, 7-9 March  2012 San Francisco, Walter Zenger, USA
  • CIGRE-conference  2012 in Paris, Pierre Argaut, France
• Educational Program - ACCELERATED CABLE AGING TESTS FOR DISTRIBUTION AND TRANSMISSION CABLES- PART 1
  • Agenda
  •  I.        Test Methods
  • a.    Distribution (MV)  30 min  Ram Ramachandran
    i.    AEIC AWTT
    ii.    Cenelec
    iii.    ACLT
  • b.    HV AC Extruded Dielectric  30 min  John Smith
    i.    Life exponent tests                                         
    ii.    Type tests                                        
    iii.    Qualification tests
  • c.    HV AC Paper Cables  30 min  Joe Zimnoch
    i.    Type tests                                         
    ii.    Qualification tests      
  • II.        Challenges in Relating Accelerated Aging Results to Service Life  Nigel Hampton
    How to relate test data on short lengths to typical field lengths                20 min
    How to extrapolate accelerated test results to service life expectance   20 min     
  • III.        Proposed Agenda for Spring 2012 Part II on Service Life Expectance 10 min Al Mendelsohn/Pete Tirinzoni

   

  NEW!  0.4 CEUs will be offered for this session.  You must register in order to receive CEUs.  (Please note, in order to receive these credits towards a Florida PE License, you MUST provide Thomas Arnold with your FL PE License number prior to the session.

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