87 Differential Protection Relay – Transformer Fault Detection ⚡ The 87 Differential Protection Relay safeguards power transformers by comparing current values on both HV and LV sides. It instantly isolates the transformer during internal faults like phase-to-phase or winding short circuits — ensuring system safety and reliability. #DifferentialProtection #87Relay #TransformerProtection #ProtectionRelay #PowerTransformer #ElectricalWork #ControlPanel #ElectricalSafety #USAEngineer #CanadaEnginee
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