Technical Article

Learn how to select the right power transformer for your project. Explore load calculations, voltage ratings, impedance, cooling, losses, environmental conditions, and applicable standards....

During the procurement stage of overseas power, mining, photovoltaic, and industrial/commercial projects, many electrical engineers and procurement managers struggle to distinguish between oil-immersed and dry-type transformers. This often l...

High-voltage surge arresters are essential for overvoltage protection in substations, photovoltaic (PV) step-up substations, gas-insulated switchgear (GIS) systems, and overhead power lines. Proper selection requires comprehensive considerat...

A power supply and distribution system is an important link between the power source and end users, and its operating reliability directly affects the safety and stability of electricity consumption in industrial, commercial, and residential...

A DC panel is an important DC operation and control power supply system for substations, high-voltage distribution rooms, photovoltaic step-up substations, and other power facilities. It provides reliable DC power for relay protection, monit...

Industrial plants are equipped with a large number of inductive loads such as motors, frequency converters and air compressors. Insufficient reactive power will result in sub‑standard power factor and electricity penalties. Under harmonic ...

Oil immersed transformer is called insulating oil. Its function is to prevent breakdown. If the high-voltage end of the transformer is not insulated, corona or breakdown accidents will occur, causing losses to staff and equipment. Transform...

Chemical, metallurgical, pharmaceutical, and manufacturing plants typically operate large numbers of motors, fans, pumps, and other motor-driven loads that require centralized power distribution and control through MCC Motor Control Centers....