Professional Certificate of Competency in Electrical Power System Protection
Professional Certificate of Competency in Electrical Power System Protection
This professional development course is designed for engineers and technicians who need practical skills and knowledge in understanding power system protection, including how to calculate fault currents, and select relays and associated instrument transformers appropriate to each typical system or equipment. Course Details Any power system is prone to ‘faults’…
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COURSE DESCRIPTION
This professional development course is designed for engineers and technicians who need practical skills and knowledge in understanding power system protection, including how to calculate fault currents, and select relays and associated instrument transformers appropriate to each typical system or equipment.
Course Details
Any power system is prone to ‘faults’ (also called short-circuits), which occur mostly as a result of insulation failure and sometimes due to external causes. When a fault occurs, the normal functioning of the system gets disturbed. The high current resulting from a fault can stress the electrical conductors and connected equipment thermally and electrodynamically.
Arcs at the fault point can cause serious or even fatal burn injuries to operating and maintenance workers in the vicinity. Faults involving one phase and ground give rise to high ‘touch’ and ‘step’ voltages, posing the danger of electrocution to personnel working nearby.
It is, therefore, necessary to detect and clear any fault quickly. The first device used in early electrical systems was the fuse, which acted both as the sensor and the interrupting device. With larger systems, separate devices have become necessary to sense and interrupt fault currents
In both high voltage systems and low voltage systems of higher capacities, the sensing is done by more sophisticated devices called relays. Relays were initially electromechanical devices, but static relays, and more recently, digital relays, have become the norm. With more complex systems, it is necessary to detect the point of fault precisely and trip only those sections affected by the fault, while the rest of the system can continue to function normally.
In the event of the nearest circuit breaker failing to operate, the next breaker in the upstream (feeding) side has to be tripped as a ‘back up’ measure. Another requirement is to minimize the time for which a fault remains in the circuit; this is necessary to reduce equipment damage and the danger to operating personnel.
These requirements necessitate different forms of relaying apart from the simple current sensing relays. Equipment such as generators, transformers, and motors also need special forms of protection characterized by their design and operating principles.
This course will explain all of these points in detail and provide you with the skills and knowledge necessary to calculate fault currents, and select relays and associated instrument transformers appropriate to each typical system or equipment. You will also learn how to adjust the setting of the relays so that the relays closest to the fault will operate and clear the fault faster than the backup devices.
Time Commitment & Duration
You are expected to spend approximately 5-8 hours per week learning the course content. This includes attending fortnightly webinars that run for about 90 minutes to facilitate class discussion and allow you to ask questions. This professional development program is delivered online and has been designed to fit around full-time work. It will take three months to complete.
REQUIREMENTS
For entry into most EIT degree programs, you need to have completed a minimum level of education similar to successful completion of Australian Year 12 with good grades.
EDUCATIONAL INSTITUTION
The Engineering Institute of Technology (EIT) delivers industry driven programs to equip its students with the skills required in the real industrial world. Its study options are available across Perth and Melbourne; and include classroom sessions, practical lab exercises, assessments, class discussions and self-study. Additionally, students enjoy access to industry experts based around the globe through live and interactive online presentations. All EIT programs provide access to remote laboratories and cutting-edge simulation software. Hands-on laboratory practicals are an essential component of EIT’s programs to ensure students put theory into practice. These hands-on workshops cover the major discipline-specific applied skills required for competency in engineering practice.
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