System reliability and dependability are critical to backup and primary power solutions for all types of facilities, from critical data centres to local grocery stores. The generator plays an important role in the electrical system, and proper operation and maintenance is essential for long-term reliability, operation and availability. Allied Rentals, offer generators for hire which specialize in providing quality generators to meet your specific application needs.
At light loads, on the other hand, the primary concern is how to load the system if the building load is insufficient or if critical loads cannot be used to serve the generator set. This challenge can be solved by using installed system load banks or by implementing a quick-connect system that allows load banks to be easily connected to the electrical system for testing or maintenance. Considering these requirements during the design phase allows for seamless system integration, which can be more cost-effective than on-site retrofitting after construction and installation.
Allied Rental recommends a testing process for diesel and natural gas generators. For diesel generator sets, it is recommended that the generator set be loaded at a minimum of 30 percent load for approximately 30 minutes out of every four light load hours. Exhaust gas measurements must be taken from the exhaust manifold before the turbo or from the exhaust immediately after the turbo to ensure that the recommended exhaust gas temperatures are maintained during operation. The requirements for natural gas generator sets are slightly different. It is recommended to actively work to minimize the underloading of natural gas generators. For low load time limits for natural gas engines. After the reduced load time limit has passed, the engine must run for at least two hours at a load factor of at least 70 percent. Following these guidelines will reduce engine maintenance and improve the long-term condition and durability of the equipment.
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