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26Oct, 2026Should You Choose a Polymer or Porcelain Surge Arrester for Your Overhead Line?Two surge arresters might have similar rated voltages, similar MCOV and similar zinc oxide blocks, but still function differently in practice. The reason behind the difference is the housing. The housing of a polymer surge arrester comprises silicone rubber, while the housing of a porcelain surge arrester consists of a glazed ceramic tube. Based on […]Read More -
24Oct, 2026What Are the Main Electrical Substation Components, and How Do They Work Together?From a distance, an electrical substation, often referred to simply as a “substation,” appears as a fenced yard full of steel frameworks, insulators, and gray tanks. Each of those components has a job to perform, with the complete system modifying voltage when needed, directing power to its destination, measuring exactly how much energy is flowing, […]Read More -
23Oct, 2026How Load Break Switches Safely Interrupt Circuits Under LoadIt’s not easy to open up a medium-voltage circuit that’s still carrying current. As soon as you separate the contacts, an arc appears, and at voltages of 11 kV, 15 kV or 33 kV this arc doesn’t die by itself. A load break switch is made for precisely this purpose: when that happens it opens […]Read More