Components for power electronics, automations, electronics, electric

The article presents the role and importance of capacitors in electronics and industrial automation. It describes the construction and applications of electrolytic, film, and ceramic capacitors, emphasizing parameters such as capacitance, polarity, and operating stability. It explains how to correctly read markings, connect capacitors in DC and AC circuits, and test them. The text highlights that the proper choice of capacitor type is crucial for the reliability of power supply and control systems.

The article describes the importance of surge protectors as a key element in protecting electrical installations and electronic devices from sudden voltage spikes. It explains what surges are, the damage they can cause, and how Type 1 and Type 2 surge protectors work. The text emphasizes proper selection and installation of protectors, their role in increasing system reliability, and the financial and safety benefits of surge protection in homes, offices, and industrial facilities.

The article explains what a measuring shunt is, how it works, and where it is used. It describes its operating principle based on Ohm’s law, its role in measuring high currents, and its cooperation with ammeters and voltmeters. It presents typical shunt parameters (current range, voltage drop), their applications in energy, electronics, automation, laboratories, and industry. The text highlights the advantages of shunts – simple design, high accuracy, and measurement safety – and provides guidelines for selecting the right model. It is a practical compendium of knowledge for people involved in electrical measurements and diagnostics.