Double Speed Motor
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Double Speed Motor

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Product Introduction

General specification of double speed motor:

Power	0.06 ~ 315kw
Frame Size	56 ~ 355
Phase	Single or Three
Efficiency Class	IE1 ~ IE4
Poles	2, 4, 6, 8 poles
Protection Class	IP44, IP54, IP55, IP56, IP65, IP67
Insulation Class	B, F, H
Mounting Type	B14, B3, B5, B35, B34
Ambient Temperature	-15 ~ +40 °C
Altitude	≤1000M
Material	Aluminum / Cast Iron

What is a double speed motor?

The speed of the motor is changed by changing the connection mode of the windings, that is to say, the speed of the motor is changed by changing the pole logarithm of the rotating magnetic field.

Two-speed motor (fan), usually the speed is low, sometimes the fan will turn at high speed, mainly through the following external control circuit switching to change the motor coil winding connection mode to achieve.

1. There are two common windings with different pole logarithm embedded in the stator slot. The connection method of the motor stator winding is changed by switching the external control circuit to realize the change of the pole logarithm.

2. Two independent windings with different polar logarithms are embedded in the stator slot;

3. Two independent windings with different polar logarithms are embedded in the stator slot, and each winding can have different connections.

three phase electric motors