Electrical Power System Engineering
Register 3 People and the 4th is FREE!
This course by Jim Phillips, P.E. has become the industry standard that defines the “Crash Course” in electrical power systems. People from all seven continents (Antarctica included) have attended this week long program that combines five of Jim’s most popular classes including Power System Design 1 & 2, Short Circuit Analysis, Coordination Studies and Power Factor and Power System Harmonic Analysis. This class is loaded with many in class examples and problems for a hands on learning experience.
Jim has developed this course based on over 30 years of extensive experience with industrial, commercial and utility power systems. Even instructors from other training companies have attended Jim’s classes to see how it’s done. You will learn power system design as well as conduct a short circuit and coordination study and design harmonic filters.
What You Will Receive
• Training manuals of 5 modules containing almost 500 pages
• Jim’s short circuit calculation worksheets
• Harmonic analysis and design worksheets
• Access to Technical articles
• Many calculation examples and problems
• 32 hours of Continuing Education Credit
Have This Class On-Site at Your Location
You can also have this class conducted on-site at your location. Contact our Program Director at 800.874.8883 to see about having Jim teach this class to your staff at your company’s facilities. Contact us for your custom on-site training proposal.
COURSE 1 – POWER SYSTEM DESIGN – I
Introduction to Electrical Power System Design, Electrical Safety Considerations, Electrical Codes and Standards, Economic Considerations of Design
TYPES OF SYSTEM DESIGNS
Radial Distribution Systems, Networks, Double Ended Substation, Primary Selective Systems, Loop System
Selecting the Appropriate Voltage, 120/240V, 208Y/120V, 480Y/277V Systems, Medium Voltage Selection, Delta vs. Wye Configurations, Voltage Drop Calculations
General Lighting Load Calculations, Appliance Loads, Receptacles Load Calculations, National Electrical Code Article 220 Requirements, VA per Square ft., Continuous vs. Non-Continuous, Demand Factors, Panel Schedules
Conductor Selection, Conduit Sizing, Insulation Type, Correction Factors, Temperature Considerations, Neutral and Ground Conductors
Panelboard Sizing and Ratings, 80 percent vs. 100 percent ratings, Series Rated vs. Fully Rated Panels.
Bus Ratings, Breaker and Fuse Selection, Bus Bracing, AIC, Layout, Series Ratings, Bus Structure, 6 Disconnect Rule
Zonal Cavity Lighting Calculations, Lighting Layout
Small Industrial Switchboard Circuit Design
Types of Transformers, Dry-Type, Liquid Filled, Cast Coil Designs, Temperation Ratings, Fan Cooling, Insulation Characteristics, Percent Impedance, K Factor, Transformer Protection Based on NEC® Article 450, Inrush Current, In Class Problems, Sizing and Protecting Transformers
NEC® Article 430 Requirements, Motor Namplate Full Load Amps vs. NEC Table’s Full Load Amps, Locked Rotor and Overload Protection, Insulation Class / Service Factor, Motor Tables, Sizing of Feeders, Protection, Motor Short Circuit Protection, In Class Problems – Designing Motor Circuits
Grounding Electrode System Requirements, Equipment Grounding Conductor Selection, Separately Derived Systems, NEC® Article 250, Solidly Ground and Un-Grounded Systems, High Resistance Grounding, Ground, Ground Loops and Power Quality Issues
Class I, II, and III, Divisions and Groups, Explosion Proof Equipment, Intrinsically Safe Circuits
Concept of Lightning Protection, Air Terminals, Conductors, NFPA 780 Requirements
Emergency Vs. Standby, Selection of Generator and Prime Mover, Gasoline, Gas (LP/Natural), Diesel Driven, Design Considerations, Generator Loads
AUTOMATIC TRANSFER SWITCHES
Size and Ratings of Transfer Switches, 3 Pole vs. 4 Pole, Protection of the ATS
UNINTERRUPTIBLE POWER SUPPLIES
UPS Types and Operation, Heat Loss, Compatibility with Generators
Designing a Transformer Circuit for an Industrial Facility
COURSE 3 – SHORT CIRCUIT ANALYSIS
SHORT CIRCUIT ANALYSIS – INTRODUCTION
Short Circuit Study Requirements, NEC® 110.9 and 110.10, Interrupting and Withstand Ratings, Data Requirements, Available Utility Short Circuit Current, Conductor Impedance, Source Impedance, X/R Ratio, Per Phase Calculations, Thevenin Equivalent, Impedance
CONDUCTOR IMPEDANCE AND SHORT CIRCUIT CALCULATIONS
Determining the Source Impedance, Calculating the Conductor Impedance, Conductor Impedance Tables, Conductor Calculation Worksheets. In Class Problems – Short Circuit Calculations with Conductor Impedance
TRANSFORMER IMPEDANCE AND SHORT CIRCUIT CALCULATIONS
Transformer Testing and Percent Impedance, X/R Ratio, Using Percent Impedance for Short Circuit Calculations, Determining the Source Impedance in Percent, Infinite Bus Calculations, Transformer Calculation Worksheets. In Class Problems – Short Circuit Calculations with Transformer Impedance
Theory of Motor Short Circuit Contribution, Sub-Transient Reactance, Xd”, Effect of Motor Contribution on Short Circuit Current, Multipliers for Motor Contribution. In Class Problems – Consideration of Motor Contribution
DEVICE INTERRUPTING RATINGS
Circuit Breaker and Fuse Interrupting Ratings, UL and ANSI Testing Methods, Symmetrical and Asymmetrical Short Circuit Current, Effect of X/R Ratio on Interrupting Ratings, Multiplying Factors when the X/R and Asymmetry are Too Large
Development of Series Ratings, Proper Application of Series Ratings, Dynamic Impedance, Fully Rated vs. Series Rated, Current Limitation, Let Thru Current, U.L. Tests
Short Circuit Study of Small Industrial System. Calculations Include Source, Conductor and Transformer Impedance, Motor Contribution and Protective Device Adequacy Evaluation
COURSE 4 – COORDINATION STUDIES
COORDINATION STUDY REQUIREMENTS
Selective Coordination Basics, Understanding Time Current Curves (TCC), Data Requirements, Device Settings, Graph Scale Selection, Protection vs. Selectivity and Reliability, Compromises in Coordinating Devices in Series
COORDINATION OF MOLDED CASE CIRCUIT BREAKERS
Molded Case Circuit Breaker Time Current Curves, Overload Region of TCC, Instantaneous Region, Fixed vs. Adjustable Instantaneous, Determining the Setting of the Instantaneous, Drawing Time Current Curves. In Class Problem – Drawing Molded Case Circuit Breaker Time Current Curves, Selecting Settings for Optimal Selective Coordination
COORDINATION OF FUSES
Time Current Curves of Fuses, Current Limiting vs. Non Current Limiting Fuse Curves, Minimum Melting and Total Clearing Curves, Coordinating Two Sets of Current Limiting Fuses with Selectivity Tables, Coordinating I2T Let-Thru Energy. In Class Problems – Coordinating Fuses with Each Other and Coordinating Fuses with Circuit Breakers
SOLID STATE / ELECTRONIC TRIP BREAKERS
Long Time, Short Time, Instantaneous Settings, I2T Settings, Coordination of Electronic Trip Circuit Breakers, Eliminating Instantaneous for Coordination, NEC® Requirements for High Speed Fault Clearing for Reducing the Hazard From an Arc Flash.
GROUND FAULT RELAYS
Residually Connected Ground Fault Schemes, Zero Sequence Ground Fault Relaying, Settings, NEC® Requirements for Ground Fault Protection of Services, Feeders and Equipment, Nuisance Tripping, Setting Ground Fault Devices
Protective Relay Operation, Amp Tap Setting, Time Dial Operation and Setting, Instantaneous Function, Current Transformers, Necessary Protective Relay Time Margins for Selective Coordination, Setting Selection, Protective Relay Time Current Curves, Curve Shape – Inverse, Very Inverse, Extremely Inverse. In Class Problems – Setting Overcurrent Relays and Drawing Relay Time Current Curves
NEC® Article 450 Requirements, Magnetizing Inrush Current, Using ANSI C57 Thru Fault Curves for Transformer Protection, Adjustments to the Thru Fault Curves Based on Transformer Winding Configurations, Setting Overcurrent Relays for Protecting a Transformer Based on ANSI C57
Coordination Study of Small Industrial Plant, Determining Optimal Device Settings and Drawing Time Current Curves for Multiple Devices in Series.
POWER FACTOR CORRECTION
Concept of Power Factor, kW, kVA, kvar and Power Factor, Leading and Lagging Power Factor, Current Flow, Inductive Loads, Power Factor and Vector Analysis
POWER FACTOR CALCULATIONS
Determining System Var Requirements, Sizing the Power Factor Correction Capacitor Bank, Determining The Number of Capacitor Switching Steps, Location of the Capacitors. In Class Problem – Calculating the Size of the Power Factor Correction Capacitor Bank
UTILITY RATE STRUCTURE
Types of Utility Rate Structures, Peak Demand Metering, kVA and kW Demand Billing Rates and Power Factor Based Rates, “Creative” Rates after Deregulation. In Class Problem – Power Factor Economic/Payback Calculations
Concept of Power System Harmonics, Harmonic Frequency Spectrum, Sources of Power System Harmonics, Non-Linear Loads, Harmonic Current Flow, Current Distortion and Harmonics, Graphical/Fourier Analysis of Current Wave Form. In Class Problem – Calculating the Harmonic Content of an Adjustable Speed Drive
HARMONIC RELATED PROBLEMS
Harmonics and Capacitor Failure, Capacitor Fuse Nuisance Interruptions, Equipment Over-Heating, Circuit Breaker Mis-Operation, Metering Errors, Transformer Over-Heating and K-Factor Transformers
Determining Parallel and Series Resonance, Effect of the Equivalent Source Impedance and Resonance, Effect of Capacitor Size, Impact of Resonance on the Power System, Impedance vs. Frequency Scans, Characteristics of Resonance Problems. In Class Problems – Power System Resonance Calculations
Resonance Calculations, Total Harmonic Distortion (THD) Calculations, Effect of Parallel Resonance on THD, Effect of Source Strength and Load Types. In Class Problems – Resonance and Total Harmonic Distortion Calculations
Voltage and Current Distortion Limits, Point of Common Coupling, Enforcement, Factoring the Source Strength into the Harmonic Limits, Ratio of Harmonic Current to Load Current
Switched Mode Power Supplies, 3rd Harmonics and Overloading Neutral Conductors, Oversizing Neutral Conductors, The use of Delta-Wye K-Factor Transformers, Shared Neutrals, Design Requirements to Accommodatedate Third Harmonic Loads
CORRECTION OF HARMONIC PROBLEMS
Power Factor Correction Capacitor Bank Operating Restrictions, Over sizing Neutral Conductors, Harmonic Filter Design, De-tuning Capacitor Banks. In Class Problem – Designing a 5th Harmonic Filter
Design of a 5th Harmonic Filter Tuned to the 4.7th for an Industrial Plant
• Design electrical power systems more efficiently
• Select and size power system components
• Conduct short circuit studies
• Perform coordination studies and draw time current curves
• Calculate overcurrent device settings
• Evaluate harmonics and design harmonic filters
• Understand power system design and analysis
Receive Answers to These Questions and More
• How do I select conductors for loads?
• What are demand factors?
• Why is there more to design than the NEC®?
• Why do I contact the electric utility early in the project?
• What questions do I ask the utility company?
• What does voltage drop do to my sensitive loads?
• Why are harmonics and generators not always compatible?
• Why is ANSI C57 a better protection method for transformers than the NEC®?
• What is the X/R ratio?
• How does the X/R ratio effect a device’s interrupting rating?
• What is motor contribution?
• How do I calculate motor contribution on new systems with an undefined load?
• Is a 150 degree C rise or 80 degree C rise better for transformers?
• Is a short circuit study legally required?
• What kind of data is required for the short circuit and coordination studies?
• What if I can’t find all of the data, what assumptions can I make?
• Why is the L/E ratio tm so important?
• How do you draw time-current curves?
• How do you selectively coordinate overcurrent devices?
• How do current limiting fuses operate?
• How do you determine circuit breaker settings?
• What are the amp tap, time dial and instantaneous settings on a relay?
• What is a symmetrical current vs. asymmetrical current?
• What logic should be used for determining device settings?
• How do I properly apply series ratings?
• What are harmonics and do I need to worry about them?
• How can I predict if harmonics will cause a problem?
• How do I interpret IEEE 519 and what is the point of common coupling?
• Why do I sometimes need to oversize neutrals for 3rd harmonics but not others?
• When and how do I design a harmonic filter
Brainfiller, Inc. | P.O. Box 12024 | Scottsdale, AZ 85267