NETA Self-Paced Technical Seminars

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What Are Self-Paced Technical Seminars?

NETA Self-Paced Technical Seminars (SPTS) are training materials created for distance learning. Every year, PowerTest offers in-depth seminars covering a wide variety of topics. Two seminars are selected by the Conference Committee each year to be recorded and produced into a SPTS.

SPTS Highlights

  • Four-hour Run time
  • DVD of the recorded technical seminar
  • Printed hard copy of the presentation
  • One attempt at the proficiency exam
  • Earn Four NETA CTD Credits (NETA Certified Technicians)
  • Or submit for CEUs

Risk Assessment Techniques Using NFPA 70E: A Primer

Jim White, Shermco Industries

One area where technicians and other qualified persons have questions is on how to conduct a risk assessment. The good news is that NFPA 70E has a considerable amount of information concerning risk assessment. The bad news is that NFPA 70E has a considerable amount of information concerning risk assessment. How does one weed through all the information and develop a real and usable risk assessment?

This tutorial uses NFPA 70E to develop just such a risk assessment and guide attendees towards understanding how to apply that information effectively.

Earn CTDs: 4


Maintenance and Testing of Battery Systems

Tom Sandri, Shermco Industries

This presentation will introduce stationary batteries and the maintenance and testing they require. Learning to identify various types of batteries, their construction, and intended applications -- ranging from large UPS at data centers to protection and control at substations -- is a goal of this paper and will include definitions of safety and hazards related to batteries and testing. Various failure modes related to batteries will be examined, as well as how to identify each failure. Tests and inspection procedures will be explained along with the interpretation of test results.

After the catastrophic blackout of August 14, 2003, increasing sensitivity to the interconnectivity and reliability of the Bulk Electric System (BES) has become a major focus of the Federal Electric Reliability Commission (FERC). As a result, FERC established the Electric Reliability Organization (ERO), of which the National Electric Reliability Corporation (NERC) was given responsibility to generate standards that would ensure complete reliability of the BES. One of those standards, PRC-005-2, now requires utilities to mandate certain minimum maintenance requirements for batteries that interface with equipment connected to the BES within a prescribed maximum time interval. This presentation will further provide a brief history while examining the requirements laid out in the new NERC-PRC-005-2 standard.

Earn CTDs: 4


Power Transformer Testing and Maintenance

Jim White, Shermco Industries, Inc.

No moving parts - no need for maintenance, right? Unfortunately, for many companies the truth is a rude shock. Transformers are a critical part of any power distribution system. If they go down, everything they feed is out of service, sometimes for months. This seminar covers the primary types of tests used for maintenance and diagnostics, including insulation power factor, winding resistance, excitation current, ratio testing ,and an overview of dc tests for dry-type and small transformers. Also covered will be factory tests, expected results, and their significance.

Earn CTDs: 4


Critical Maintenance for Circuit Breakers

Jim White, Shermco Industries, Inc.

This seminar shares real-life experiences with customers' circuit breakers, covering the most common issues, how those problems are corrected, and how to prevent them from occurring.

A show-and-tell section is set up to illustrate the results of these common mistakes made by equipment owners. Also included is an overview of testing for both low-voltage and medium-voltage air and vacuum circuit breakers.

Earn CTDs: 4


Electrical Testing Basics: What You Need to Know to Succeed - Part 1

Jim White, Shermco Industries, Inc.

Electrical power system analysis starts with a core set of instruments and analysis techniques. Understanding the fundamentals is absolutely necessary in order to assess the health of your equipment. This seminar is offered in two parts.

Some of the most common electrical test equipment and theory will be covered, including use of a megohmmeter, insulation power factor test set, dc winding resistance test set, and microhmmeter. These tests will be related back to the ANSI/ NETA MTS-2007 standard.

Beginning with basic principles for each test, the seminar will cover specific tests for transformers, circuit breakers (air, vacuum, oil, and gas), switchgear, and switches.

Earn CTDs: 4


Electrical Testing Basics: What You Need to Know to Succeed - Part 2

Jim White, Shermco Industries

Electrical power system analysis starts with a core set of instruments and analysis techniques. Understanding the fundamentals is absolutely necessary in order to assess the health of your equipment. This seminar is the second of a two part series.

Some of the most common electrical test equipment and theory will be covered, including use of a megohmmeter, insulation power factor, dc winding resistance and microhmmeter. These tests will be related back to the ANSI/NETA MTS-2007 standard.

Beginning with basic principles for each test, the seminar will cover specific tests for transformers, circuit breakers (air, vacuum, oil, and gas), switchgear, and switches.

Earn CTDs: 4


A Primer on MCC Maintenance and Testing

Malcom Frederick, Coastal Switchgear and Controls

This seminar will guide attendees through the various types of MCC's and starters, both low-and medium-voltage, Illustrate what testing and maintenance activities should be performed to assure safe and reliable operation using the ANSI/NETA standards for maintenance testing, and cover field and shop experiences.

The heart of every commercial and industrial facility is the electric motor. As the workhorse of industry, the electric motor converts electricity into physical work. The safe and reliable operation of electric motors falls back to the components and systems that start and stop them every day - the motor control center (MCC).

This seminar will:

  • Guide attendees through the various types of MCC's and starters, both low-and medium-voltage
  • Illustrate what testing and maintenance activities should be performed to assure safe and reliable operation using the ANSI/NETA standards for maintenance testing
  • Cover field and shop experiences with visual and mechanical inspection, electrical tests, and electrical test values for:
    • Low-voltage motor starters
    • Low-voltage motor control centers
    • Medium-voltage motor starters
    • Medium-voltage motor control centers

Earn CTDs: 4


Primer on Transformer Diagnostics

Charles Sweetser, OMICRON electronics Corp. USA

This seminar will provide an overview of the essential information needed to determine the condition of power transformers.

Participants will learn:

  • Transformer theory
  • Diagnostic test methods
  • Data analysis strategies
  • Application of electrical measurements will be discussed including:
    • Power Factor and Capacitance
    • Excitation Current
    • Transformer Turns Ratio
    • DC Winding Resistance
    • Impedance: Leakage Reactance/ FRSL
    • DGA/Oil Screen
    • Sweep Frequency Response Analysis (SFRA)
    • Moisture Estimation- Dielectric Frequency Response

Earn CTDs: 4


Transformer Condition Assessment and Diagnostic Fault Analysis Using Liquid Insulation Testing

Melvin Wright, LICA Consulting, LLC

This session examines the proper sampling techniques, sample containers, tests performed on transformer oils, the diagnostic value of each test and how to evaluate the quality and condition of the fluid for transformer dielectric fluids. This course also examines how dissolved gas analysis (DGA) and furans are used to evaluate transformer faults and the operational condition assessment of transformers.

Earn CTDs: 4


Partial Discharge Activity on Medium-Voltage Switchgear and Cables

Don Genutis and Neil Davies, No-Outage Electrical Testing, Inc.

There is an ongoing requirement to improve operational reliability of large power distribution systems and frequently, pressure to extend operations between scheduled maintenance periods for mediumvoltage (MV) switchgear. As insulation breakdown and flashover represents a high percentage of metalclad switchgear faults, early detection of insulation degradation is critical. In service assessment by the application of diagnostic techniques can provide confidence in the continuing safety and reliability of switchgear.

Use of detection, location and monitoring of partial discharge activity provides very valuable information to effectively identify equipment at risk of failure. Equipment failures result not only in loss of supply and consequent disruption to production but also represent a danger to operational staff in the area.

The process of non-intrusively surveying switchgear for partial discharge activity using electromagnetic and ultrasonic principles detects both continuous and intermittent discharge activity from both 'visible' surface sites and 'invisible' sources internal to insulation components.

Hand-held nonintrusive equipment enables regular use by staff entering substations and continuous monitoring systems utilizing state of the art signal processing and analysis enable permanent monitoring of critical MV switchboards.

The presentation discusses the techniques and equipment together with examples of findings from switchgear installations throughout the US.

Earn CTDs: 4


Hazards of Electricity, Shock, Arc, and Blast: An Educational Journey Through Case Studies

Jim White, Shermco Industries

Everyone is familiar with the three recognized hazards of electricity; shock, arc flash and arc blast. This 4-hour seminar covers those hazards as well as their associated hazards and uses actual case studies to illustrate how these accidents occurred and how they could have been prevented. Videos and photographs are used as examples.

Earn CTDs: 4


How Do They Do It? Electrical Power Measurement Methods, Practices, and Standards

Ross Ignall, Dranetz Technologies

This seminar covers what is monitored, how to monitor, differences between power quality and energy monitoring, standards, and some basics on how to identify the source of power quality problems.

Earn CTDs: 4


The Practical Application of NFPA 70E in Routine Work Tasks

Jim White, Shermco Industries

This seminar provides an understanding of 2012 NFPA 70E, Chapters 1 and 2 on applying the principles of leadership, project management, and customer service. These principles will be explained in relation to the requirements of regulatory compliance, safety-related work practices, and safety-related maintenance practices. The concept of these safety-related service principles works together in how projects, jobs, and outages that the electrical worker performs should be planned. This tutorial uses real life examples to illustrate how the NFPA 70E can be applied to everyday practical solutions.

Earn CTDs: 4


Condition of Maintenance: A Practical Approach to Compliance within the Industry

Jim White, Shermco Industries

This seminar provides instruction on how to comply and apply sound maintenance practices and procedures so you are in compliance with industry requirements. Electrical safety standards as well as electrical maintenance standards discuss the need for owners and workers of electrical equipment to have an understanding of gthe condition of maintenanceh. This tutorial addresses what that mean to the owner of the equipment or the worker in the field? It provides an understanding of the term, as well as practical information on implementation and compliance of industry-recognized maintenance practices, and how this can provide for a safer work place and a more reliable electrical power system.

Earn CTDs: 4


Electrical Testing Medium-Voltage Stator Windings

Tom Sandri, Shermco Industries and Vicki Warren, Iris Power - A Qualitrol Company

Generators and motors are reliable and typically require minimal maintenance; however as the machine age problems can develop in the stator and/or rotor winding insulation systems. Machines that are overloaded or subjected to polluted environments, or were possibly constructed poorly, will age at an accelerated rate. Tried and true tests such as insulation resistance have been used for years, but can be ineffective in uncovering many common problems. Over the past decade a number of new tests and monitoring techniques have become available providing the ability to detect and/or warn us of aging problems that can lead to machine failure. This paper will review stator insulation failure mechanisms, symptoms and detections tests available in the industry today. Advantages and disadvantages of online monitoring techniques and offline tests will also be discussed.

Earn CTDs: 4


Acceptance and Maintenance Testing for Medium-Voltage Electrical Power Cables: Exploring Technology Developments Over the Past 20 Years

Tom Sandri, Shermco Industries

Over the years there have been several methods and/or philosophies regarding the acceptance and maintenance testing of medium voltage underground electrical power cable in the field. Time honored methods such as direct current (DC) High Potential, Insulation Resistance (IR), and Dielectric Absorption (DA) testing have been employed for many years by utilities and industrial facilities for both field acceptance testing and periodic maintenance evaluation of medium voltage insulated power cables.

Insulation Resistance provides a simple test for identifying gross defects in the cable and accessories, but offers little to no diagnostic value. A test like dielectric absorption is useful because it can be performed on even the longest of cables, and yields a self-contained evaluation based on relative readings rather than absolute values.

In the early 1990s the benefits of using DC high potential testing for maintenance purposes of extruded dielectric cables has been questioned and written out of most industry guides. Since the days of high potential DC, other testing methods have been developed that may provide a better indication of the integrity of cables, splices, and terminations. These methods include Very Low Frequency (VLF) high potential testing, Tan Delta, and both Online and Offline Partial Discharge testing.

Earn CTDs: 4