My microwave had an inverter rather than a transformer, which is a change I guess. Don't know if it's an improvement. I do know it was a disappointment to me wh

My microwave had an inverter rather than a transformer, which is a change I guess. Don't know if it's an improvement. I do know it was a disappointment to me when the microwave failed after 4 years and I went to salvage the transformer and there wasn't one.