Load test bank to verify generator performance
Diesel generators are one of the most important components of an industrial emergency backup plan. Failure of power generators in emergency situations can lead to catastrophic conditions. It is important for companies to monitor and maintain the performance of their energy systems. This is where load bank testing comes into play and helps facility managers maintain their energy equipment. Load bank testing reveals potential problems in power generators and allows managers to take preventive measures.
Load bank testing is perhaps the most effective technique for ensuring efficient operation of standby generators. No matter the nature or type of the bank charging system, it can not only test the equipment, but also improve the overall condition of the spare units. Load bank testing is a process for:
Check the operation of the cooling system
The load test causes the generator to inject additional heat into the cooling air stream. This process will indicate malfunctions in the cooling system. The extra heat created during the process also puts a strain on the cooling system components: thermostat, oil cooler, radiator, etc. We can also get valuable data from a testing process that can help us with the temperature difference. The temperature data also helps to verify the compliance of the spare module. The process checks the operation of cooling system alarms such as engine coolant overheat and high coolant temperature alarm.
Check the operation of the fuel system
The latest diesel models are highly turbocharged, making them prone to poor combustion at low loads and over-fueling. Sometimes the feed systems do not operate at a high enough load to generate high flow rates and high exhaust temperatures. This situation can lead to problems such as wet stacking or debris build-up in the exhaust system. These problems can seriously harm the overall performance of the backup system; idle operation or prolonged use at less than the recommended load level may reduce engine power.
Check the control operation
Generator supplies and controls are sensitive to transients and can shut down unexpectedly when the load changes. An inductive or resistive load test is the best way to ensure trouble-free generator operation. A reliable testing procedure can help uncover many electrical and operational problems, such as voltage and frequency regulation, failed connections, circuit breaker trip settings, and voltage regulator operation. It also provides best-case simulated real-world conditions where efficiency, harmonics, and voltage drop can be effectively investigated.
These are some of the benefits of load bank testing. Make sure you take good care of your power equipment and generator sets. You can hire a private company to provide rental bank testing and preventative maintenance services at your doorstep.
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