STEM与日常科技·英语30篇（7）
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Why Smart Meters Record Energy Use Every 15 Minutes
智能电表为何每15分钟记录一次用电量
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Smart meters capture electricity consumption data every fifteen minutes instead of monthly readings.
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This high-frequency sampling allows utilities to detect usage patterns and spot anomalies quickly.
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Each reading includes voltage, current, and real-time power demand for precise analysis.
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Grid operators use this data to balance supply and prevent blackouts during peak hours.
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Homeowners can view near-real-time charts to understand which appliances consume the most.
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The system relies on secure two-way radio communication with local utility networks.
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Unlike old analog meters, smart versions self-calibrate and report faults automatically.
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Data privacy is protected through encryption and strict access controls set by regulators.
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Fifteen-minute intervals strike a balance between detail and manageable data storage needs.
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This timing also aligns with wholesale energy market settlement periods globally.