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Protection Elements: Incorporates three-stage overcurrent (instantaneous, short-time, inverse-time), directional ground fault, differential, and distance protection schemes.
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Performance Parameters: Instantaneous overcurrent tripping time ≤ 30 milliseconds; high-speed differential protection for zone-selective interlocking.
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Event Recording: Captures 256 time-stamped disturbance events; oscillography function records 4 pre-fault and 8 post-fault power system cycles for detailed analysis.
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Application Scenarios: Widely deployed in industrial substations, utility distribution networks, and renewable energy interconnection points.
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Installation Requirements: Proper current transformer (CT) and potential transformer (PT) ratios must be programmed during commissioning; ensure adequate panel ventilation.