This is a two day course on protective relays for electric power systems. The course will be taught by practicing experts in the field and takes place on the heart of the Iowa State University campus in Howe Hall.
Who Should Attend: Relay technicians and engineers who require a background in protective relays for electric power systems. This course should benefit personnel of all levels of experience because it will provide coverage of the basic relay schemes along with new methods of testing relays and analyzing relay operations.
Topics Covered in the Short Course:
Day 1: (8:00am-5:00pm):
Relay Theory and Basic System Protection Concepts
- Instrument Transformers
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Fault Current Basics
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IEEE/ANSI Device Numbering
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Fuse Characteristics
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Non-Directional Overcurrent Relays
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Directional Overcurrent Relays
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Impedance Relays
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Communications Aided Impedance Schemes
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Bus Differential Relays
- Overcurrent
- High Impedance
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Transformer Differential Relays
- Considering Transformer Connections
- Inrush
- Harmonics
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Setting and Testing Relays
Day 2: (8:00am-4:30pm):
Using COMTRADE to Test Numerical (Digital) Protection Relays
- Modern Test Practices
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Building a Catastrophic Event Library
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Definition of a COMTRADE Record
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How to Upload a COMTRADE Record to Test Set
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Transformer Inrush and Harmonic Restraint
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Trip on Transformer Energization Event
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Inrush Current Waveform Analysis
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Harmonic Restraint Test Plan
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Advanced Harmonic Restraint Test Plan
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Loss of Field
- Trip on Loss of Field
- Loss of Field Event Analysis
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Loss of Field Test Plan
- Advanced Loss of Field Test Plan
- Out of Step
- Trip on Out of Step
- Out of Step Analysis
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Out of Step Test Plan
Registration Fee:
Your registration fee will include all program materials, two lunches, and refreshment breaks.
Early Registration Fee (on or before March 1, 2012)
Registration Fee: $467
Electric Power Research Center (EPRC) Fee: $400
Regular Registration Fee (after March 1, 2012)
Registration Fee: $517
Electric Power Research Center (EPRC) Fee: $400
Members of ISU's Electric Power Research Center (EPRC) may register for a reduced rate. For information on how your company can join the EPRC, contact Colin Christy at 515-294-7678.
About the Instructors:
Steve Turner is a Senior Applications Engineer at Beckwith Electric Company. His previous experience includes working as an application engineer with GEC Alstom, and an application engineer in the international market for SEL, focusing on transmission line protection applications. Steve worked for Progress Energy, where he developed a patented scheme for double-ended fault location on transmission lines. Steve has both a BSEE and MSEE from Virginia Tech University. He has presented at numerous conferences including: Georgia Tech Protective Relay Conference, Western Protective Relay Conference, ECNE and Doble User Groups, as well as various international conferences. Steve is a senior member of the IEEE.
Tim Ernst is an electrical engineer with over 23 years of utility and consulting engineering experience. He holds B.S.E.E. and M.S.E.E. degrees from Iowa State University with emphasis in power systems and control systems. Tim specializes in power system protection and various types of power system analysis including electromagnetic transient analysis utilizing the EMTP program. He has extensive experience designing relay and control systems for transmission substations through 345kV. He is also experienced at designing protection and control systems for generation interfaces. Tim has significant experience performing commissioning testing of substation and generator facilities.
