In mining, diesel generators and backup power systems activate through a precise, automated sequence. An Automatic Transfer Switch (ATS) detects power loss from the utility grid within milliseconds, immediately signaling the diesel generator to start, which typically takes 2-10 seconds to reach operational speed.
The ATS then seamlessly transfers the electrical load to the generator, a process completed in milliseconds, resulting in a total transfer time of 10-20 seconds (Duthie Power Services).
For critical loads that cannot tolerate even momentary interruptions, Uninterruptible Power Supply (UPS) systems provide instantaneous, battery-backed power, bridging the gap until the diesel generator is fully online (Power Quality Blog, 2023).
Diesel generators are the backbone of mining power due to their reliability, high output, and lower fuel volatility, making them safer in hazardous environments (Generator Source).
Ensuring reliability in harsh mining conditions (dust, extreme temperatures, gases, vibration) requires specialized equipment design, including explosion-proof features and high Ingress Protection (IP) ratings (Intrinsically Safe Store).
Rigorous maintenance, such as regular inspections and load bank testing, is crucial for operational readiness (Thompson Power Systems).
Furthermore, safety protocols like lockout-tagout procedures and interlocks, adhering to MSHA regulations, are fundamental to safe activation and operation (U.S. Department of Labor Blog, 2023). These integrated systems ensure continuous operation and miner safety.
Why do mines rely so heavily on diesel generators for backup power? Share your insights!
References:
Duthie Power Services. (n.d.). Power Outage: How Long It Takes for a Generator to Start. https://www.duthiepower.com/power-outage-how-long-it-takes-for-a-generator-to-start/
Generator Source. (n.d.). The Role of Diesel Generators in the Mining Industry. https://generatorsource.com/industries/generators_mining/
Intrinsically Safe Store. (n.d.). Understanding Explosion Proof Electrical Equipment: A Guide for. https://intrinsicallysafestore.com/blog/explosion-proof-electrical-equipment/
Power Quality Blog. (2023). Critical Electrical Loads – How to Supply and the Use of UPS Units. https://powerquality.blog/2023/06/29/critical-electrical-loads-how-to-supply-and-the-use-of-ups-units/
Thompson Power Systems. (n.d.). Maintaining Diesel Generators. https://thompsonpowersystems.com/resources/blog/maintaining-diesel-generators/
U.S. Department of Labor Blog. (2023). Electrical Safety Precautions Save Miners’ Lives. https://blog.dol.gov/2023/05/22/electrical-safety-precautions-save-miners-lives
