Protection of Electrical Systems

Place- الموعد Date - المكان
2019-07-21 00:00:00 Dubai
2019-09-15 00:00:00 Turkey
2019-11-16 00:00:00 Cairo
Who Can Benefit?

§ Electric power engineers

§   Supervisors and qualified technicians can get considerable upgrading education

§ engineers such as mechanical

§ Communication engineers.
Course Objectives:

§ Know the basic electrical system protection techniques including fault analysis

§ Understand protective devices

§ Understand problems generally faced and solutions successfully adopted by industry

§ Learn to calculate the basic fault currents flowing in any part of the electrical system

§ Improve your electrical system protection against faults and over voltages

Course Outlines:

§  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

§  Short Circuit Theory and fault studies

§  Effects of short circuit

§ Fault current sources

§ Fault current characteristics

§ Equipment ratings

§ Fault calculations

§  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

§ Co-ordination of Electrical Protection Systems

§ 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

§ Application to various bus configurations

§ Applications to switchboards

§ Testing of bus protection schemes

§       Feeder Over current Protection

§ Protective relaying requirements for loop and radial systems

§ Elements of feeder protection schemes

§ High set, low set, and inverse -timed elements

§ Co-ordination with other devices and fuses

§ Auto-reclosing of feeder circuit breakers

§ Various types of over current relays

§ Electromechanical, electronic & digital relays

§ Relay setting criteria

§ Testing of over current protection schemes

§ Transformer Protection

§ Over current and ground-fault protection

§ Application of differential protection to transformers

§ Gas relays, pressure and gas accumulation

§ Winding temperature and oil temperature devices

§ Testing of transformer protection schemes

         § Modern microprocessor-based multi-function relays-available functions, application and testing