Nanocrystalline Core For Current Transformers Below 550kV

As core indispensable Power Transformer Parts, nanocrystalline cores serve as premium Transformer Cores customized for all-grade current transformers working under 550kV across low, medium and high voltage power grids. Made from iron-based ultrafine nanocrystalline alloy with grain size 5–50nm via rapid quenching and precise annealing, these cores outperform traditional silicon steel and permalloy with ultrahigh initial permeability, low hysteresis loss and stable saturation flux at 1.2T, directly lifting overall Transformer Efficiency by cutting no-load and excitation power consumption remarkably. Featured with outstanding magnetic linearity and weak anti-saturation performance, they support 0.1–0.5S precision accuracy for metering and protection-type CTs in substations, GIS cabinets and power transmission equipment below 550kV. Stable from -40℃ to 130℃, the cores restrain phase deviation and measuring error under fluctuating grid loads, lowering long-term equipment maintenance co…

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