STEM与日常科技·英语30篇（7）

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智能电表为何每15分钟记录一次用电量

Smart meters capture electricity consumption data every fifteen minutes instead of monthly readings.
This high-frequency sampling allows utilities to detect usage patterns and spot anomalies quickly.
Each reading includes voltage, current, and real-time power demand for precise analysis.
Grid operators use this data to balance supply and prevent blackouts during peak hours.
Homeowners can view near-real-time charts to understand which appliances consume the most.
The system relies on secure two-way radio communication with local utility networks.
Unlike old analog meters, smart versions self-calibrate and report faults automatically.
Data privacy is protected through encryption and strict access controls set by regulators.
Fifteen-minute intervals strike a balance between detail and manageable data storage needs.
This timing also aligns with wholesale energy market settlement periods globally.