News & Blog

Jul 11, 2026

Isolating Switch Installation and Maintenance for Overhead Lines

MV isolating switch install and maintenance: mounting, commissioning tests, torque checks, load-break limits, and utility LOTO safety on overhead lines.

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Jul 11, 2026

Metal-Oxide Surge Arrester Selection for Distribution Transformers

Metal-oxide surge arresters for transformers: MCOV, energy rating, protective level, short leads, and IEEE C62.11 / IEC 60099-4 coordination for utilities.

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Jul 10, 2026

Fuse Cutout Ratings and Selection for Overhead Distribution Networks

Fuse cutout ratings for overhead lines: voltage, interrupting kA, K vs T links, polymer vs porcelain, and IEEE C37.42 / IEC 60282-2 for utility buyers.

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Jul 10, 2026

Disconnector Switch Selection Guide for Medium-Voltage Overhead Lines

Select MV disconnector switches for 15–38 kV lines: voltage class, continuous current, BIL, load-break duty, and IEEE/IEC type test docs utilities expect.

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Jul 09, 2026

Lightning Surge Arrester for Power Grids: Reliable Protection for Industrial Electrical Systems

An arrester’s nominal voltage is not a complete statement of its protection duty. System earthing, temporary overvoltage, the protected equipment’s insulation and the physical lead...

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Jul 08, 2026

Polymer Pin Insulator Selection for 11 kV Overhead Lines

11 kV polymer pin insulator guide: creepage for pollution class, cantilever load, silicone vs porcelain, and IEC 60815 selection basics for utilities.

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