When many people purchase a generator, they often wonder about its power capacity—specifically, whether it can handle the equipment they intend to use. Hansa generators, for instance, come with two key power specifications: rated power and maximum power. The good news is that as long as you stay within the maximum power limit, your generator shouldn't experience an overload. However, if an overload does occur, it’s important to know how to address the situation. Here, I’ll share some practical advice on what to do in such cases, just in case an emergency arises.
What happens when a small generator is overloaded?
If a small generator becomes overloaded, it's crucial to respond appropriately based on the specific circumstances.
(1) In the event of an overload, closely monitor and control the temperature, cooling gas flow, and internal cooling water pressure and flow rates of all components in the generator. Keep detailed records to identify the root cause of the problem.
(2) Depending on the severity of the overload, adjust the active and reactive power output of the generator to ensure that the stator and rotor currents remain within their rated values.
(3) If the overload is due to an issue with the automatic excitation regulator, manually override the faulty regulator to keep the rotor current within acceptable limits.
(4) If the system voltage and frequency drop significantly, this could indicate a broader system fault that has caused the generator to overload. In such cases, the generator should be shut down immediately for further inspection and repair.
It’s always wise to have a basic understanding of how your generator operates, especially regarding power limits and potential overloads. Proper maintenance and monitoring can go a long way in preventing these issues from arising in the first place. Additionally, investing in high-quality generators like those from Hansa can provide peace of mind, knowing that they are designed with safety features to handle unexpected situations effectively.
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