232Systems Considerations for DG Applications for Combustion Engines

Reciprocating engines are currently a promising technology for distributed generation systems up to 5 MW. The installed cost for engine-generators in distributed power ($350 to $500 for diesel units, $600 to $1000 for gas [$2000]) is about half the cost for central steam power plants. Besides competitive first and life-cycle costs, engines offer high operating flexibility. They perform efficiently in continuous duty or in intermittent service and efficiently accommodate variable loads. Multiple generator sets can be configured so that one or more units cycle with the load while others produce continuous full rated power for optimum performance and fuel economy. Multiple units also provide redundancy for emergencies and enable staggered maintenance intervals, keeping the system on-line while individual units are down for service.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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