Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

1. Development Trends of Power Transformer Manufacturing Technology in ChinaPower transformers are primarily developing in two directions:First, development toward extra-large ultra-high voltage transformers, with voltage levels advancing from 220kV, 330kV, and 500kV toward 750kV and 1000kV.Second, development toward energy-saving, miniaturized, low-noise, high-impedance, and explosion-proof types. These products are mainly small and medium-sized transformers, such as the new S13 and S15 distrib

Why Transformers Use Silicon Steel Laminations to Reduce Eddy Current LossTransformers rely on efficient magnetic cores to transfer energy between windings with minimal loss. One of the most critical design choices is the use of laminated silicon steel sheets—not solid iron or plain steel—for the core. This decision directly addresses a major source of inefficiency: eddy current loss.What Is Eddy Current Loss?When a transformer operates under alternating current (AC), the primary winding generat

What are Intrinsic Silicon and Extrinsic Silicon ?Intrinsic SiliconSilicon is a vital element semiconductor. Silicon is a group IV material. In its outer orbit, it has four valence electrons which held by covalent bonds with the valence electrons of four adjacent silicon atoms. These valence electrons are not available for electricity. So, at OoK intrinsic silicon behaves like an insulator. When the temperature rises, some valence electrons break their covalent bonds due to thermal energy. This

What are Energy Bands of Silicon ?Silicon DefinitionSilicon is defined as a semiconductor with properties between those of a conductor and an insulator, crucial for electronics.Silicon is defined as a semiconductor with fewer free electrons than a conductor but more than an insulator. This unique characteristic makes silicon widely used in electronics. Silicon has two types of energy bands: the conduction band and the valence band. The valence band is formed by energy levels with valence electro

What is Silicon Semiconductor?Silicon Semiconductor DefinitionA silicon semiconductor is defined as a material that has an electrical conductivity value between that of a conductor and an insulator, and whose conductivity can be altered by introducing impurities or applying external fields or light. Silicon is the most widely used semiconductor material in modern electronics, especially in power devices, integrated circuits, photovoltaic cells, and transistors.Thermal and Electrical PropertiesSi

This paper presents the open-source Python-based parameter extractor (SEKV-E) for the simplified EKV (sEKV) model, which enables the modern low-power circuit designs with the inversion coefficient design methodology. The tool extracts the essential sEKV parameters automatically from the given I - V curves using the direct extraction and the multi-stage optimization process. It also handles the overfitting issue because of non-linear least squares. Moreover, this work demonstrates t