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Spikes kill motors.  And Lincoln has "killed" the spikes!

Proven: Voltage spikes can't damage Lincoln Inverter-Duty (VTAC / CTAC) motors.

Premature insulation failures from voltage spikes lead to the early death of most inverter-fed motors. Sure, there have been attempted "cures" implemented by other motor makers to extend insulation life: special spike-resistant magnet wire, premium insulation, etc. But the truth is, partial corona discharges kill insulation, and until corona is eliminated, inverter-duty motors will continue to fail before their time.

New Testing Methods Prove No Corona.

To prevent corona inception, Lincoln uses a better design, better materials, and especially better manufacturing methods. Lincoln's unique In-Slot winding technique diminishes the damaging effect of IGBT high voltage spikes on the magnet wire insulation. This is accomplished by positioning each turn within the stator winding to reduce the impact of the voltage spikes across adjacent turns. The result is superior resistance to high dV/dT voltage spikes and excellent resistance to the generation of Corona within the motor. And no corona means no insulation failures... and longer, (much longer) motor life.

To be specific, Lincoln hasn't eliminated spikes. They're still there, it's just that they may as well be dead since they don't affect Lincoln VTAC and CTAC motors.

Unique to Lincoln CTACTM   and VTACTM motors:

         - No distance restrictions between the inverter and motor.
         - No expensive Line Reactors between inverter and motor required.
         - 3 year guarantee

Want to hear more about Lincoln Electric motors?

Call  Electram Rotary equipment Ltd. today!