Generator overload can cause many problems. Therefore, in actual use, generators must never be allowed to be overloaded. However, the displayed usage situation is much more complex than the theoretical setting, and overload situations often occur. But even when overloaded, users and maintenance monitoring personnel must control the generator’s overload state to a low frequency, and the cycle must not be too short.
A current with a longer period exceeding the rated gas temperature is a point that is emphasized in many materials when discussing the hazards of overload. The consequence of this is that it can cause various faults in the generator. Undoubtedly, short-term overload is allowed, but once the period is too long, regardless of whether the overload is large or small, it will cause irreversible damage to the generator. This will have a direct impact on the users.
Both the stator current and the rotor can allow for short-term overload with a certain load. This is also a self-rescue measure that occurs when a generator has a crisis problem. However, in the normal practical process, we must not “play with the warlords” and use the overload mode for no reason. Otherwise, we will lose more than we gain. Of course, the overload state of the generator is quite harmful. Try not to use it if possible.
We all know the harm of overloading, but in reality, overloading often occurs. How can we determine whether overloading is reasonable? This point is believed to be something that many friends, both experts and laypeople, want to know. It can be said that within a specific period, the rated current has a limit. If the period is long, the value of the rated current or other various overload states should be pulled down; if the period is short, it can be appropriately increased. Therefore, when generator manufacturers produce generators, they also need to reserve a certain overload capacity to be prepared for unexpected needs.
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Post time: Jul-02-2025