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COVID-19 RESPONSE: OEL continue to operate across its four global sites in these unprecedented times to ensure that the key industries get the components they need to allow them to continue to operate

Mon, 18 Sept


Osborne Engineering LLC.


This training provides details on power system protect, analysis and Coordination

Time & Location

18 Sept, 09:00 – 22 Sept, 17:30

Osborne Engineering LLC., Unnamed Road - جبل عليمنطقة جبل علي الحرة - دبي - United Arab Emirates

About the Event

Power System Protection and Analysis Coordination

Course outline

Electrical power system faults

· Different types of faults

· Incidence of faults on power system equipment

· Effects of power system faults

· Magnitude of fault current, short circuit calculations

·  Detection of faults

· Clearance of faults

· Requirements of protective relaying systems

Components of power system protection schemes

· Fault detecting relays

· Tripping relays and other auxiliary relays

· Circuit breakers - bulk oil, air-blast, vacuum, SF6

· Current Transformers

· Voltage Transformers

· Ground Transformers

· The transition from electro-mechanical relays to electronic and digital microprocessor-based relays

· The application of programmable logic controllers

§ Modern microprocessor-based relays: review of types available

Current transformers (CTs) & voltage transformers (VTs)

· Various types of CTs, VTs & CVTs

· Theory and characteristics of CTs

· Application requirements of CTs for protective relaying

· Accuracy classifications

· Future trends in CT design

· Testing of CTs and VTs

Coordination of electrical protection schemes

· Fuse to fuse

· Circuit breaker to fuse

· Fuse to circuit breaker

· Back up protection

· Limitation of fault current

· Selective zones of protection

· Types of bus protection schemes

· Basic concept of differential protection

Transformer protection

· Protection characteristics

· Data requirements

· Basic protection systems

· Factors affecting protection

· Overload Protection

· Phase and Ground Fault Protection

· Primary Fuse Protection

· Primary Breaker Protection

Motor protections

· NEC and ANSI/IEEE Standards

· Motor nameplates

· ANSI/IEEE device numbers and functions

· Motor TCC curves

· MCP Low-voltage Protection

· Medium-voltage Motor Protection

· Thermal Overload Protection

· Thermal Locked Rotor Protection

· Phase and Ground Fault Protection

· Miscellaneous Protection (Undervoltage, Single-Phasing, etc.)

Generator protection

· Voltage restraint/dependent phase overcurrent

· Ground fault protection

· Differential protection

· Loss of Field protection

· Volts/Hertz protection

· Frequency protection

· Voltage protection

· Thermal protection

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