Analysis of the shifting principle of two-speed motor
Precision Machined Pump Housing
Water
pumps serve in a wide range of applications such as pumping water from
wells, aquarium filtering, pond filtering and aeration,
in the car industry for water-cooling and fuel injection,
in the energy industry for pumping oil and natural gas or
for operating cooling towers.
The precision
machined pump housings we supplied are
one of the key parts in the pump assembly.
Tolerance: Within +/-0.0005"
We manufacture & sell more than 15,000
sets /year to all over the world.
We also supply fine machined Pump Accessories according to your requirement.
QFAP has specialize in producing pump
housings more than 5years.
Materials: Ductile iron, Grey
iron, Aluminum
Surface treatment: Painting,
Powder coating, only oiled
Main of our customers is from
German, USA, and CAN.
With the long terms of experience in the
pump industry, we could supply the pump housings or help to design the housings
according to your requirements.
Precision Machined Pump Housing,Machining Centrifugal Pump Housing,CNC Machined Pump Housing,Machined Pump Parts Housing SHAOXING QIFENG AUTO PARTS CO., LTD. , https://www.sxqfap.com
A two-speed motor, commonly used in fans, operates at a low speed most of the time but can switch to high speed when needed. This change in speed is typically achieved by altering the internal winding configuration of the motor through external control wiring. The process allows the motor to function with different numbers of magnetic poles, which directly affects its rotational speed.
There are several common methods to achieve this two-speed operation:
1. The stator contains two sets of windings with different pole configurations. By switching the external control circuit, the connection of these windings can be changed, effectively altering the number of magnetic poles and thus the motor’s speed.
2. Another approach involves using two separate windings, each designed for a different number of poles. These windings can be activated independently depending on the desired speed setting.
3. In more advanced designs, the stator may have two independent windings with different pole counts, and each winding can be connected in various ways—such as star or delta—to further customize the motor's performance and speed characteristics.
Understanding how these motors work can help in troubleshooting or selecting the right motor for specific applications. Whether it's a fan, pump, or other equipment requiring variable speeds, the two-speed motor offers flexibility and efficiency. It's important to follow proper wiring procedures to ensure safe and reliable operation. If you're working with such a motor, always refer to the manufacturer’s specifications and use appropriate tools and safety measures.
Http://