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Understanding and Mitigating Cold Load Pickup After Prolonged Outages
This white paper examines the phenomenon of cold load pickup, which occurs when multiple electrical loads simultaneously demand power following a prolonged outage, resulting in unusually high current and low voltage conditions. The paper analyzes voltage data to illustrate the effects and discusses mitigation strategies, including the use of voltage regulators and real-time monitoring, to reduce risks and improve service restoration.
Key topics include:
- Cold Load Pickup Defined
- Graphical Analysis
- Mitigation Strategies
Why utilities should care:
Addressing cold load pickup is critical to prevent low voltage events, reduce equipment damage risk, and enhance customer satisfaction during service restoration. Implementing monitoring and voltage regulation enables faster recovery and more reliable grid performance.
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