Motor Testing Basics: Megger, surge test, vibration (explained simply)
When a motor starts acting up, proper testing tells you what’s actually wrong — not just what failed last time. Three tests show up again and again in motor repair shops: megger testing, surge testing, and vibration analysis. Each one …
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VFD Damage: How Drives Kill Motors (And How to Protect Them)
Variable Frequency Drives (VFDs) save energy, improve process control, and extend equipment flexibility — but they can also quietly destroy motors when installed or applied incorrectly. Many motor failures blamed on “bad motors” are actually caused by VFD-related electrical stress. …
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Bearings vs Windings: How to Tell What’s Failing
When a motor starts making noise, running hot, or tripping breakers, the big question is always the same: is it a bearing problem or a winding problem?Getting this wrong leads to wasted repairs, unnecessary rewinds, or motors being replaced when …
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5 Causes of Motor Overheating (And What to Check First)
Motor overheating is one of the most common reasons motors fail — and in many cases, it’s preventable. When a motor runs too hot, insulation breaks down, bearings fail, and windings deteriorate long before the motor ever stops turning. This …
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Turnaround Time: How Long Does a Rewind Take?
One of the first questions asked when a motor fails isn’t about cost — it’s how long will it take. Motor rewind turnaround time varies widely, and estimates can range from a few days to several weeks depending on the …
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Motor Rewind Cost: What Actually Drives Price
Motor rewind pricing can feel unpredictable. One motor rewinds for a few hundred dollars, another jumps into the thousands — even when horsepower looks similar on paper. The truth is, rewind cost has very little to do with just HP …
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