Technical articles
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ENP
Principles of Protection Coordination in Distribution and Industrial Networks
Selectivity, speed, sensitivity and reliability: how to choose pickup, coordination time interval and IEC curves for overcurrent and earth-fault relays.
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Transformer Differential Protection (87T): Principles, Settings and Testing
Dual-slope characteristic, vector-group compensation, harmonic restraint against inrush and over-excitation, and how to test a transformer differential relay.
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