# Product Introduction
The 138 permanent magnet synchronous motor is a high-power, high-speed, atmospheric-pressure motor with a rated power range of 1200W-3000W. It can reach 5000r/min in the field weakening state with a wide speed regulation range. It is suitable for new energy electric freight vehicles, low-speed passenger cars, electric tricycles, human-powered vehicles and container vehicles.

# Product Advantages
The 138 permanent magnet synchronous motor features high power and strong traction, and is widely applied in various fields including new energy electric freight vehicles, low-speed passenger cars, electric tricycles and human-powered vehicles. The overview of the motor is as follows:

## High Power and High Efficiency
1. The rated power range of the 138 permanent magnet synchronous motor is 1000W-3000W, and its actual output power can be adjusted according to application conditions and design requirements. The motor generates a magnetic field via permanent magnets without consuming excitation coils and excitation current, delivering high efficiency and high power factor.
2. High efficiency means the motor consumes less electricity while maintaining the output power, thus reducing operating costs and improving energy-saving efficiency. The motor can operate at a field weakening speed of up to 5000rpm with a wide high-speed range, making it ideal for applications requiring fast response and high-speed operation.
3. The superior sensor performance of the 138 permanent magnet synchronous motor enables stable operation under high-sensor working conditions, adapting to heavy loads and complex operating environments.

## Wide Speed Regulation Range
1. The windings of the 138 permanent magnet synchronous motor maintain precise synchronization with the operating frequency. Variable frequency speed regulation enables a wide speed adjustment range, allowing the motor to flexibly adapt to changes in speed and load and meet complex application requirements.

## High Control Precision
1. Adopting sine wave drive, the 138 permanent magnet synchronous motor achieves more precise control over motor speed, current, installation and output. This precise control capability is crucial for applications requiring high accuracy.

## Fast Response Speed
1. With direct magnetic field coupling design, the 138 permanent magnet synchronous motor delivers an extremely fast response. It has significant advantages in scenarios requiring quick start-up, braking or direction reversal.

## Simple Structure and High Precision
1. Eliminating the excitation device, the 138 permanent magnet synchronous motor features a simplified structure and enhanced reliability. Compared with DC commutator motors, it has no commutators, brushes or other vulnerable parts, reducing mechanical wear and friction and extending the service life of the motor.

## Energy Saving and Environmental Protection
1. The 138 permanent magnet synchronous motor boasts advantages such as high power, wide speed regulation range, high control precision, fast response speed and simple operation. It possesses broad application prospects and strong market competitiveness in fields like new energy electric freight vehicles, low-speed passenger cars and electric tricycles.