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vin300
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My phone adapter makes a screeching sound when switched on, but not too loud to be audible to everybody. I know there are eddies within the transformer, but other adapters do not seem to be noisy. What is that?
How long have you been using it? Has it always behaved like this? Does it work okay as a charger/adapter, anyway?vin300 said:My phone adapter makes a screeching sound when switched on, but not too loud to be audible to everybody. I know there are eddies within the transformer, but other adapters do not seem to be noisy. What is that?
jim hardy said:my guess is its high frequency switching converter is cycling on-off-on-off-on-off at audio frequency
most likely a failed filter capacitor inside
it will quit altogether, soon , is also my guess.
There are several potential factors that can cause a transformer to exhibit unusual behavior. These can include faulty wiring or connections, overheating, magnetic saturation, or high voltage spikes.
Signs of strange transformer behavior can include buzzing or humming noises, flickering lights, overheating, or changes in voltage output. It is important to regularly check and monitor your transformer to detect any abnormal behavior.
In some cases, yes. If a transformer is behaving abnormally, it can be a sign of a more serious underlying issue. This can lead to electrical hazards, including fires and electric shocks. It is important to address any strange transformer behavior as soon as possible to prevent potential danger.
If you are experiencing strange behavior from your transformer, it is best to consult a professional electrician or transformer specialist. They will be able to properly diagnose and troubleshoot the issue to determine the best course of action.
In some cases, yes. Regular maintenance and inspections can help prevent potential issues and catch any abnormal behavior early on. It is also important to use the correct transformer for your specific needs and to follow all safety precautions when working with electricity.