At the end of the training, the student will be able to identify and explain the fundamental electrical quantities (voltage, current, and power), distinguish between DC and AC electrical systems (single-phase and three-phase), and understand the role of resistance and insulation in electrical applications.

Contents:

• Fundamental electrical quantities: voltage, current, and power
• Electrical systems: DC, single-phase AC, and three-phase AC and their haracteristics
• Practical applications of different electrical systems
• Resistance and insulation: function and role in electrical circuits
• Importance of correct identification and use of the electrical system

At the end of the training, the student will be able to identify and explain the main electrical distribution systems (TT, TN, and IT), describe medium- and high-voltage distribution, and understand the role of distribution transformers and earthing systems in electrical safety.

Contents:

• Electrical distribution systems: TT, TN, and IT systems and their characteristics
• Medium- and high-voltage electrical systems: basic principles and applications
• Distribution transformer: function and role in power distribution networks
• Earthing systems: structure, components, and operating principles
• Importance of earthing for electrical safety and fault protection

At the end of the training, the student will be able to demonstrate the function of isolation and safety transformers (Classes 0, I, and II) and correctly perform insulation and line protection tests.

Contents:

• Insulation classes (Class 0, Class I, Class II): characteristics and protection against indirect contact
• Isolation transformer: function, operating principle, and applications
• Safety and isolation transformers: purpose and differences in electrical systems