Hello! I'm Leon, with 20 years of extensive experience in the power industry. My expertise spans from power distribution equipment to grid operations and maintenance, grounded in robust hands-on and theoretical knowledge. Currently, I focus on sharing insights into electrical equipment fault diagnosis, demystifying complex technical challenges through accessible explanations. I welcome collaboration with industry peers and enthusiasts to collectively explore the intricacies of the power sector.
What is Ground Fault and Earth Fault？
What is a Ground Fault and an Earth Fault?Ground Fault:A ground fault occurs when an unintended connection (fault) develops between a live conductor and the ground or neutral point. In such a fault, the current flows directly to the ground. This can happen in various forms, such as a single line-to-ground fault (L-G), double line-to-ground fault (LL-G), or three line-to-ground fault (LLL-G).Ground faults are particularly severe because they can result in a large magnitude of fault current. If no
Edwiin
08/11/2025
Why do resistors typically have values such as 4.7kΩ or 5.1kΩ instead of round numbers like 5kΩ?
Many beginners in circuit design may find standard resistor values puzzling. Why are common values like 4.7 kΩ or 5.1 kΩ instead of round numbers such as 5 kΩ?The reason lies in the use of an exponential distribution system for resistor values, standardized by the International Electrotechnical Commission (IEC). This system defines a series of preferred values, including the E3, E6, E12, E24, E48, E96, and E192 series.For example:The E6 series uses a ratio of approximately 10^(
Rockwell
08/07/2025
What are the common fault analyses and preventive measures for power capacitors?
1 Failure Mechanisms of Power CapacitorsA power capacitor primarily consists of a housing, capacitor core, insulating medium, and terminal structure. The housing is typically made of thin steel or stainless steel, with bushings welded to the cover. The capacitor core is wound from polypropylene film and aluminum foil (electrodes), and the interior of the housing is filled with liquid dielectric for insulation and heat dissipation.As a fully sealed device, common failure types of power capacitors
Leon
08/05/2025
What does the optimization of reactive power compensation technology in power capacitors involve?
1 Overview of Reactive Power Compensation Technology1.1 Role of Reactive Power Compensation TechnologyReactive power compensation technology is one of the widely used techniques in power systems and electrical grids. It is primarily employed to improve power factor, reduce line losses, enhance power quality, and increase the transmission capacity and stability of the grid. This ensures that power equipment operates in a more stable and reliable environment, while also boosting the grid’s a
Echo
08/05/2025
