Nidec UltraFlo™ cooling fans and blowers
V12E Series Adds 24V Fans
to High-Performance Lineup		 New 24V Models for V12E Series

The full scope of high-end performance offered by the UltraFlo® V12E M9 series of cooling fans is now available to 24V applications.

The addition of 10 new 24V vane axial models includes both free-running and feedback-governed, speed-stable versions that span the broad PQ operating range of the popular Nidec 120 x 38mm series. All are offered with a comprehensive array of monitor and control options.

On-line documentation of the expanded V12E series is available here:

Speed-Stable V12E M9 Fans
Free-Running V12E M9 Fans

The leakage inductance can be reduced by use of twisted wire; however, the bifilar winding process is difficult enough without adding further complications.

The issue of a skewed current waveform still exists in bifilar winding structures although reduced in significance.

In this case Voff = Vin which reduces the problem, pushing the half speed point back to a more manageable 75% duty cycle.

Again the leakage inductance will add to this by several percent, as it results in incomplete clamping and less than ideal energy recovery.

® UltraFlo is a registered trademark of Nidec Corporation.

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Integral Sales, Medway, MA, phone 508-533-7732, is a manufacturer's sales representative for Nidec UltraFlo cooling fans and blowers and Nidec Servo fans.