Electrical Testing - Understanding Power Factor Testing for Transformers, Bushings, and Breakers

This is a 1-day class that gives an in depth understanding of Power Factor Testing in the field. The Power Factor is a measurement of the efficiency of the transformer's insulation system and therefore a reliable electrical test to detect deterioration that may cause significant issues with the operation of the transformer.

What You'll Learn

  • Power factor theory
  • Test circuits
  • Transformer power factor test
  • Bushing tests
  • Breaker tests (OCB and SF6)
  • Excitation current tests
  • Turns ratio tests (TTR)

This course is also available as customer on-site training.

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Load Tap Changer Principles & Maintenance

This class explains the theory of load tap changing and identifies the various types and styles of tap changers, their components, and sequences of operation. Additionally, this class discusses monitoring, inspections, and testing required for developing an intelligent preventative load tap changer (LTC) maintenance program.

What You'll Learn

  • Identify the purpose of load tap changers.
  • Identify load tap changer components.
  • Identify the sequence of operation, including those with vacuum interrupters.
  • Learn monitoring and testing procedures.
  • Review of inspection and testing procedures.
  • Develop a preventative maintenance program for LTCs.

This course is also available as customer on-site training or an elective.

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In-Service Inspection & Sampling of Fluid-Filled Transformers

Learn the proper and safe procedures needed to obtain a representative sample of dielectric fluid. Features a sampling demonstration and practical exercises to obtain accurate oils samples for use in lab analysis.

What You'll Learn

  • Safety hazards and PPE requirements.
  • Identify transformers that require extraordinary procedures to obtain samples.
  • Gain knowledge of transformers, auxiliary equipment, accessories and other equipment.
  • Learn proper oil sampling procedures.
  • Learn how proper samples lead to a more accurate trending history.

This course is also available as customer on-site training.

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Advanced DGA Diagnostics

Learn to identify fault gases and what causes their formation. We will explain and provide examples of qualitative and quantitative interpretation of dissolved gases and how to evaluate the condition of cellulose insulation. This class will also examine the role DGA plays in new oil testing and discuss procedures to obtain a representative sample from transformers.

What You'll Learn

  • Learn to identify fault gases and what causes their formation.
  • Apply qualitative and quantitative methods for interpretation of dissolved gas concentrations.
  • Identifying other combustible gases within transformers.
  • Learn what to do in the event of a fault and for the generation of combustible gases.
  • Examine the role DGA plays in new oil testing.
  • Discuss procedures to obtain a representative sample from transformers.

 This course is also available as customer on-site training.

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