Protective Relay Training Courses

1

Protective Relay Training Courses Course Objectives:



Identify the Effects of Current Transformers (CTs) on Power Systems Protection.



Recognize Protective Relay Coordination Related Disturbances and Outages.



Collect the Required Data to Perform a Detailed Coordination Study.



Derive Complete Protective Relay Device Settings to Protect the Electrical Power Systems Equipment.

Who

Should

Attend

Our

Protective

Relay

Training

Courses:

Consultants, application engineers, design engineers and electrical engineers from large industrial plants or municipal distribution systems with complex protective relay needs will find this course highly beneficial. Attendance at the Siemens Westinghouse Industrial Power Systems Analysis Seminar or equivalent is strongly recommended as a prerequisite

Course Content



Introduction to Power Systems Relaying

System Planning Power System Studies Phasor Fundamentals Relaying Principles Review of Short Circuit Calculations Fundamentals of Coordination



Power Systems Grounding

Symmetrical Components Ungrounded Systems Solidly-Grounded Systems Resistance-Grounded Systems Ground Fault Detection Methods



Current Transformers

Types, CT Ratios, Polarity Burden, Accuracy Classes, Saturation Calculations

2



Protection Fundamentals

Line, Cables, Feeders Medium Voltage Motors Power Transformers



Protective Relay Schemes

Directional Relays Differential Relays Ground Relays

Power System Coordination

Course Objectives:



Recognize Coordination Related Disturbances and Outages.



Collect the Required Data to Perform a Detailed Coordination Study.



Derive Complete Protective Settings for Some of the Simpler Electrical Power Systems that are Consistent with NEC Requirements, and Safe and Reliable Facilities' Operations.

Who

Should

Attend:

The course is suggested for graduate engineers or personnel with equivalent work experience in electrical power systems. Attendance at The Electricity Forum Power System Analysis Seminar or equivalent is strongly recommended as a prerequisite.

Course Content



Power System Fundamentals

Balanced Three-Phase Loads Unbalanced Three-Phase Loads Substation Configurations (Radial, Loop, etc.)



Short Circuit Theory, Terminology and Studies

Fault Current Sources and Characteristics

3

Equipment Ratings and Asymmetrical Factors Analysis of a Computerized Fault Study



Overcurrent Coordination Fundamentals

General Procedures Data Requirements



Plotting Protective Devices

Fuses Molded Case Circuit Breakers and MCPs Low Voltage Power Circuit Breakers Protective Relays



Power Systems Grounding

Symmetrical Components Grounded and Ungrounded Systems Ground Fault Detection and Coordination



Conductor and Bus Protection

Cable Damage Criteria Low and Medium Voltage Tie Line Protection



Transformer Protection

Overload Protection Phase and Ground Fault Protection Primary Fuse Protection Primary Breaker Protection



AC Induction Motor Protection

NEC and ANSI/IEEE Standards Motor TCC Curves

4

MCP Low Voltage Protection NEMA Class E2 Controllers Thermal Overload Protection Thermal Locked Rotor Protection Phase and Ground Fault Protection Miscellaneous Protection (Undervoltage, Single-Phasing, etc.)

Power System Analysis Training

Course Objectives:



Power System Analysis means verifying the adequacy of the power distribution system and it's components.



Recognize coordination related disturbances and outages.



Collect the required data to perform a detailed coordination study.



Derive complete protective device settings for some of the simpler electrical power systems that are consistent with NEC requirements.

Who

Should

Attend:

This course is intended for anyone who must perform calculations, provide settings or approve the work performed by others. The trainee should be a graduate engineer or have the equivalent practical work experience in electrical power systems.

Course Content



Introduction to Industrial Power Systems

Single-Phase Power Loads Three-Phase Power Loads Substation Configurations



Short Circuit Theory and Terminology

Effects of Short Circuits Fault Current Sources Machine Reactances Fault Current Characteristics

5



Electrical Equipment Ratings

Fuses Circuit Breakers Motor Starters Conductors and Bus



Balanced Fault Calculations

Per-Unit Modeling Data Collection Impedance Calculations Momentary and Interrupting Duty Calculations



Coordination Fundamentals

Procedures Data Collection Scaling Factors



Plotting Time/Current Curves

Circuit Breakers Fuses Time Delay/Instantaneous Relays Relay Coordination Intervals



Equipment Protection and Coordination

NEC and ANSI/IEEE Criteria Conductors (Low and Medium Voltage) Transformers Motors e. Conductors (Low and Medium