Electrical Protection Laboratory

Electrical Protection Laboratory

The laboratory is designed for measuring and testing electrical protection devices and equipment used to implement protection in the power system. The main function of the laboratory is to support the educational process of students. The laboratory also serves the needs of applied research.

Subjects and learning outcomes:

• Bachelor's degree: Subject: Electrical Protection in Power Systems (basic knowledge of the principles of analog and digital protection, methods of protecting power lines and electrical equipment)
• Master's degree: Subject: Protection Systems in Power Systems (PP) (knowledge of protection, measurement, monitoring, and control systems for electrical equipment. Principles of communication with smart electronic devices. Design and testing of complex protection systems for power units.)
• Doctoral studies: Subject Theoretical Electrical Power Engineering: acquisition of in-depth theoretical knowledge, using the latest research findings and trends in the development of electrical power engineering. – modeling of elements in the power system. Acquisition of new methods of power system analysis. Ability to solve wave processes on lines, model and analyze electromagnetic fields, solve surface phenomena in electrical power transmission, and investigate electromagnetic transient phenomena.
• Doctoral studies: Subject Scientific activity 1-5: Ability to independently conceive, construct, implement, and modify a substantial part of research with scientific integrity and contribute to the expansion of the boundaries of scientific knowledge through the implementation of an extensive set of works, some of which are worthy of peer-reviewed publication. Achieving original scientific results that are acceptable at the international level. Based on the implementation of scientific research, the graduate is considered an expert in their field.
• Doctoral study: Subject: Analysis of the power system: Expansion of theoretical knowledge acquired in the second stage of study with the latest research results and development trends in the field of power system management and operation using elements of artificial intelligence. Ability to apply information and control systems in solving the stability of the power system and direct current transmission of electrical energy. Acquisition of advanced knowledge of degradation processes in power system equipment and the specifics of TVN in DC HVDC lines. Ability to solve technical problems in the operation of power systems within the UCTE and problems of rationalising electricity consumption. Knowledge of the principles and ability to work in a liberalized electricity market.
• Doctoral studies: Subject Dissertation project: Acquiring scientific working methods. Deepening knowledge in the field of the dissertation topic. Achieving original scientific results acceptable at the international level through intensive research. The doctoral student is able to demonstrate the ability to work creatively, both independently and in a team, in solving scientific research tasks or projects by presenting the results in the form of scientific publications, in journals and at conferences, by participating in research teams working on grant projects, etc. They are able to formulate the objectives of their dissertation and the methods that will lead to the fulfillment of its objectives. They are able to design and apply scientific solution procedures. They are able to present the procedures and results of their scientific work.

Two subjects are taught in the electrical protection laboratory: Electrical Protection in Power Systems and Protection Systems in Power Systems.

The subject Electrical Protection in Power Systems is a compulsory subject that must be completed by all students of the electrical power engineering program in the third year of their bachelor's degree. By completing the course, students will gain knowledge of the principles of operation of various types of protection, from electromechanical to modern digital protection, as well as methods of protecting electrical lines and electrical machines.

The course Protection Systems in Power Systems provides students with basic knowledge of methods for designing protection systems for individual elements of power systems, as well as for complete systems, such as protection systems for power plant units, electrical substations, and electrical transmission and distribution networks. The following activities are carried out in the laboratory:

Testing of auxiliary electrical protection devices

The laboratory has various types of instrument transformers for current and voltage, as well as current and voltage sensors, on which students verify their correct operation. Incorrect selection or operation of PNP and PTN for individual applications will significantly affect the operation of electrical protection. Therefore, verification and knowledge of the operating principles of individual instrument transformers is a very important aspect of ES protection.

Testing of digital protection devices

The laboratory provides the possibility of secondary testing of digital protection devices using Omicron CMC 156, COMPANO 100, and SEL 4000 devices. Testing of digital protection devices consists of a computational part, where students use their theoretical knowledge to numerically determine the individual parameters necessary for the correct setting of protection devices. They then enter this data manually or using ACSELERATOR QUICKSET software into the specific protection device and test the protection using Omicron Test Universe software and Omicron CMC 156 or SEL 4000 equipment.

The laboratory is equipped with a wide range of digital protections as well as real HV switchgear with integrated protection, disconnectors, and circuit breakers.

• SEL 751A digital terminal protection
• SEL 751 digital terminal protection – with touch screen
• SEL 787 digital transformer protection
• SEL 700GT digital generator protection
• SEL 700G digital generator protection
• SEL 421 digital protection
• SEL 387E digital three-point comparison protection
• ABB REF543 digital protection
• ABB REX 521 digital protection
• Omicron CMC 156 protection testing device
• Omicron COMPANO 100 protection testing device
• SEL 4000 protection testing device
• ABB REF615 digital protection
• ABB RED615 digital protection
• ABB SPAM 150 C digital protection
• ABB SPAJ 140 C digital protection
• MiCOM P139 digital protection
• SIEMENS SIPROTEC 7UM61 digital protection
• SIEMENS SIPROTEC 7SJ63 digital protection