Power Distribution Technical Skills Online Training

All courses are 2 hours and all are $65 each

2101 - Elements of System Protection    
2102 - Types of Protective Relays     
2103 - Monitoring System Conditions       
2104 - Fault Characteristics       
2105 - Generator Protection      
2106 - Transformer Protection
2107 - Bus Protection       
2108 - Motor Protection   
2109 - Line Protection      
2110 - Pilot Protection      
2111 - Protection for System Stability
2112- Testing and Commissioning of Protective Schemes      
2114 - Fault Investigation and Analysis    
2115 - Introduction to Static Relaying  
2116 - Coordination of Protection Devices   
2117 - Power Supply for Protection & Control Systems   
2118 - Energy Centre Operations  
2119 - Telecommunications Protection I - HVSP Devices 
2120 - Telecommunications Protection II - Installation and Configuration    
2121 - Supervisory Control System (SCADA)     
2122 - Inadvertent Trips - Cause and Prevention     
2123 - Fault Calculations and Relay Settings  
2124 - Testing Techniques      
2125 - Programmable Logic Controllers 
7101 - Basic Electricity
7102 - Properties of AC Circuits 
7103 - Power and Power Factor 
7104 - Three Phase Systems  
8001 - AC Voltage Generation 
8002 - Power Factor  
8003 - Impedance and Voltage Drop 
8004 - Three Phase Power Systems 
8005 - System Layout     
8024 - Personnel Safety      

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This series will cover various aspects of distribution system technology. Topics include distribution networks and equipment, system protection, control and automation, equipment testing and maintenance, and the distribution system operator's role.  It is presented on the technical level and a knowledge of basic electrical theory is assumed

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Sample Course Descriptions
8001 - AC Voltage Generation  
This module, the first in the "Distribution System Training" series, initiates the review of electrical fundamentals that provide the basis for detailed study of equipment and systems in subsequent modules. The objective of this module is to develop an understanding of AC power generation, frequency and characteristics of the sine wave. The effect of pure resistance in an AC circuit is also discussed, including the relationship between voltage, resistance, power and energy. On completion of this module and associated workbook, the participant should be able to understand the following concepts, and apply them in day-to-day practice. 

• Requirements for power balance, i.e. power supply must equal power demand (including     losses) 
• Current and power flow through a simple DC circuit 
• Calculation of equivalent resistance for parallel circuits
• Calculation of line voltage drop and line power loss
• The use of high voltages to reduce transmission and distribution line losses
• The relationship between power and energy
• The principle of AC power generation using a rotating magnetic field
• Development of the voltage sine wave in relation to the rotor angle 
• Physical interpretation of the current sine wave, i.e. current flow changes direction every      half cycle 
• Relationship between frequency, number of poles and speed of rotation
• Synchronous operation of generators connected in parallel 
• The effects of pure resistance in an AC circuit
• Calculation of instantaneous values, and the resultant power curve 
• The meaning of RMS values  

8002 - Power Factor  
Continuing our review of electrical fundamentals, the objective of this module is to demonstrate the effect of inductance, and capacitance in AC circuits, leading to a discussion of power factor and its significance. After completion of this video and associated workbook, the participant should be able to understand and apply the following concepts in day-to-day work activities: 

• The significance of inductance and inductive reactance in an AC circuit
• Phase angle between current and voltage
• Vector representation of electrical properties
• Power in an inductive circuit
• Reactive power - VARs (Volt-Amperes Reactive)
• Reactive power demand in an inductive circuit (positive VARs) 
• The significance of pure capacitance in an AC circuit
• Production of VARs by a capacitive element
• The power triangle - active power, reactive power, and apparent power
• Vector relationship between MW, MVARs, and MVA
• Definition of power factor
• Significance of low power factor on generator output (i.e. reduced MW capacity)
• Load power factor correction by capacitors  

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8013 - Non Fault Interrupting Devices  
The objective of this module is to present and discuss features of the different types of non-fault interrupting switches as installed on the distribution system. Reference is made to disconnects which have zero or minimal interrupting capacity and various types of load-break switches which are able to interrupt load current flow up to rated value, but do not have the capacity to interrupt higher level current flow produced by faults. After completion of this module, the participant should be able to understand the following concepts and apply them in day-to-day work practice. 

• The difference between fault interrupting capability and non-fault interrupting capability 
• The function of disconnects (i.e. to provide isolation)
• Why disconnects are installed adjacent to circuit breakers
• Construction of disconnects (i.e. single-phase or three-phase ganged for local or remote operation)
• The importance of open disconnect switches being visible 
• The operational difference between solid blade disconnects and fused disconnects
• Typical installation of disconnects on the primary distribution system 
• Possible methods of reducing current flow on distribution feeders before disconnects are opened 
• Provision of arcing horns and other types of auxiliary contacts on disconnects, to allow interruption of low magnitude current flow
• Application of non-load-break elbow connectors as disconnects on underground systems 
• Typical arrangement of primary open loop feed, using elbow type connectors 
• The function of elbow connectors with load break capability
• Other types of load break switches, including air break, SF6, vacuum, and oil for arc extinction 
• Function and application of the load break tool which is fitted on the end of the linemen’s hook stick
• The use of arc chutes and auxiliary contacts on air break load interrupters 
• The consequences of closing into a fault
• Features of underground load break switches
• Automatic switchover arrangements for primary feed to specific customers 
• The installation of sectionalizers on the distribution system 

Features of the sectionalizer: 
1. Non-fault interrupting capacity 
2. Load break capacity only 
3. The ability to count the number of re-closer actions upstream 
4. The ability to be set to trip while recloser is open 

• Operation of the sectionalizer jointly with the recloser
• Advantage of installing a sectionalizer in place of a fused disconnect on feeder branch circuits
• The significance of switching operations on safe operation of the distribution system
• Safety considerations regarding isolation of equipment and circuits for maintenance activities 

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Since 1971, Online SchoolRoom & 360training have provided technical skills training to the electric power industry around the globe.

In 2004 360training acquired Canadian training provider L&K International, a leading provider of transmission, power, distribution training to the power, energy and utilities energy worldwide to form the worldwide Technical Skills and Safety division. Technical Skills and Safety Division closes largest single contract in company's history, providing a multi-year training contract to key US defense contractor .
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Power Distribution
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There are 3 major components to our Power Industry Course Collection. They are Power Distribution, Power Generation and Power Transmission. This site covers  the classes associated with Power Distribution.