Basic concepts related to power switching substations. Substation lifetime, influence on and from the environment, substation classifications. Substation structure: main (primary) and auxiliary (secondary) substation. Basic substation schemes and basic construction materials. Historical development. Strain in substations, voltage and power dimensioning, fault currents. Elements of the main substation. Conductors. Insulators. Power cables. Disconnects. Circuit breakers and switches. High-voltage fuses. Overvoltage protection. Voltage and current transformers. Power transformers. Inductors. Capacitors. Resistors. Low-voltage substations. Grounding system. Auxiliary substation subsystems. Condition, alarm and position signalisation. Measurement. Protection. Device control. Blocking. Control. Local and remote control. Telecommunications. AC and DC auxiliary voltage supply. Substation design, installation, operation and maintenance. Reliability. Regulations regarding substation installation, operation and maintenance. High-voltage, primary and secondary low voltage substations, auxiliary substations. Installation, operation and maintenance. Safety and health protection at work, first aid, fire-alarm system, environmental protection. Quality assurance. Extensive damage in substation.

Knowledge and skills acquired

Acquisition of the basic knowledge of high- and low-voltage power switching substations, their elements and usage.

Teaching methods

Lectures, problem solving and laboratory exercises.

Student assessment

Preliminary examination.

Obligatory literature

1. 1 H.Požar Visokonaponska rasklopna postrojenja Tehnička knjiga-Zagreb, 1990.

2. 2 B.Belin Uvod u teoriju električnih sklopnih aparata Školska knjiga-Zagreb, 1978

Pretraži literaturu na:

1. 1 D.Keler, M.Maričević, V.Srb Elektromonterski priručnik Tehnička knjiga-Zagreb, 1987

2. 2 M.Kalea Transformatorske stanice 35/10 kV Elektroslavonija-Osijek, 1979

Written and oral exam or an exam in the form of a technical report referring to design, testing and description of a power electronic circuit.

Course assessment

Revision exams during the semester.

Overview of course assesment

1. understand the classification and basic schemes of power offsets

2. evaluate all elements of the power plant according to their purpose

3. evaluate the calculated currents of the joints in the plant

4. select the elements of a power plant according to current, voltage, thermal loads and the forces acting on the elements of the plant

5. create the grounding system of the plant

6. assess the types of protection in power plants

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