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Program Agenda

 

Seminar #1
Fundamentals of Grounding
(one day seminar)

Grounding

  • Power System Review
  • Three Phase Wye & Systems
  • Phasors and Rotation
  • Purposes Of Grounding / Safety
  • How To Obtain A Good Ground
  • Step & Touch Potentials
  • Stray Voltage
  • Bonding & Neutrals
  • Open Neutrals
  • Isolated Grounds
  • Neutral Shift
  • Solidly Grounded Systems
  • Effectively Grounded Systems
  • Resistance Grounding
  • Reactance Grounding
  • Faults On Ungrounded Systems
  • Grounding Computer Rooms
  • Signal Reference Grids

Seminar #2
Principles of Power Factor and Harmonics
(one day seminar)

Power Factor/Harmonics

  • Definition Of Harmonics
  • Measuring True RMS Values
  • Fourier Analysis
  • The Harmonic Spectrum
  • Behavior & Effects Of Harmonics
  • Triplen (3rd Order) Harmonics
  • Linear & Non Linear Loads
  • Total Harmonic Distortion (THD)
  • Power System Impedance
  • Series & Parallel Resonance
  • Telephone Influence Factor
  • Voltage Notching
  • Mitigating Harmonics
  • Oversizing Neutrals
  • Isolation Transformers
  • K Factor / Delta Windings
  • Harmonic Filters
  • Power Factor Considerations

 Seminar #3
Surge & Overcurrent Protection
(one day seminar)

Surge Protection

  • The Role Of Dielectrics
  • BIL (Basic Insulation Level)
  • Origination Of Surges & Lightning
  • Travelling Wave Theory
  • Silicon Carbide Arresters
  • MOV Arresters
  • Construction / Operation Of MOV
  • Specifications & Terminology
  • Discharge Vs. Clamping Voltage
  • Margins Of Protection
  • Arrester Response Time
  • Energy Dissipation
  • Application Of Surge Protection
  • The Seven Modes Of Protection
  • Keeping Lead Lengths Short
  • Where To Locate Arresters

 

Overcurrent Protection

  • Fault Characteristics & Types
  • Asymmetrical Current
  • Arc Technology & Interruption
  • Equipment Ratings
  • Momentary & Interrupting
  • Overcurrent Protection Objectives
  • Short Circuit Studies
  • Fault Calculation Process
  • Fusing Principles
  • Basics Of Coordination
  • Time Current Curves
  • Zones Of Protection
  • Application Of Breakers
  • Relaying ( & Grd.)
  • Impulse Time
  • Reset Time
  • Instantaneous Settings
  • Ground Fault Protection
  • Current Limiting Fusing
  • Series Rating

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