מנוע סינכרוני בעל מגנט קבוע EP-3-15kW|18-20kW לרכב חשמלי

1. Technical Specifications of 3-15kW Permanent Magnet Synchronous Motor For EV

EP-18-20kW Permanent Magnet Synchronous Motor For EV diagram

2. Working Principle of Permanent Magnet Synchronous Motor For EV

The EP-3-15kW Permanent Magnet Synchronous Motor For EV operates on the sophisticated principle of magnetic synchronicity, which distinguishes it profoundly from asynchronous induction motors found in older EV generations. At the core of this system is a rotor embedded with high-coercivity Neodymium Iron Boron (NdFeB) permanent magnets. These magnets generate a constant, powerful magnetic field without the need for external excitation current, which is a primary source of energy loss in other motor types. When the stator windings are energized by a compatible inverter, they create a rotating magnetic field. The rotor magnets lock onto this field instantly and rotate at the exact same synchronous speed, completely eliminating the "slip" phenomenon. This fundamental design advantage results in near-zero rotor copper losses, significantly reducing heat generation and boosting overall system efficiency to levels exceeding 95%. For vehicle operators, this translates directly into extended driving range and reduced thermal stress on components.

Furthermore, our advanced Permanent Magnet Synchronous Motor For EV design utilizes Finite Element Analysis (FEA) to meticulously optimize the stator slot geometry and magnet placement. This engineering precision drastically reduces cogging torque and harmonic distortion, ensuring that the pmsm motor for electric vehicles runs exceptionally smoothly even at low speeds—a critical factor for sightseeing cars and logistics vehicles navigating congested urban environments. The high flux density provided by the Permanent Magnet Synchronous Motor for EV allows our units to achieve an incredible torque-to-weight ratio, providing the rapid acceleration and aggressive hill-climbing ability necessary for modern EVs. When paired with a vector control (FOC) driver, the motor offers precise speed regulation and rapid dynamic response, enhancing the driving experience while maintaining the highest standards of electric motor quality.

4. How to install the permanent magnet synchronous motor for EV?

4.1. Motor Selection:

Choose the appropriate motor based on the power requirements of your vehicle. For instance, the TZ 145 H SNT 060 018 A 001 motor provides 1.8 kW of power, making it suitable for lightweight EV applications, while the TZ 210 XS SNT 336 180 A 001 offers 18 kW of power for heavier-duty applications, such as electric buses or larger EVs

4.2. Mounting and Alignment:

Ensure the motor's mounting holes align with the vehicle's chassis. The TZ 145 H SNT series, for example, has a standard flange size with evenly spaced holes. For larger motors like the TZ 210 XS SNT, ensure the motor dimensions fit the designated motor compartment

4.3. Electrical Connections:

For installation, connect the motor to the vehicle's power supply system, ensuring the proper voltage matches the motor rating. The TZ 145 H SNT 060 018 A 001 motor operates at 60 V, while the TZ 210 XS SNT 336 180 A 001 requires 336 V

Ensure secure connections to the controller for efficient energy transmission.

4.4. Cooling System:

The motors are designed with natural cooling (air cooling), but higher-power models like the 10 kW version may require additional cooling solutions. The IP67 protection rating ensures that the motor can operate in wet or dusty environments

4.5. Torque and Speed Adjustments:

Adjust the torque and speed settings according to the vehicle’s operating conditions. For example, the 3 kW motor reaches speeds up to 5500 rpm, while the 6 kW motor operates at 6000 rpm

4.6. Final Checks:

After installation, check the system for any vibrations, unusual noises, or heat buildup. Ensure the motor operates within the optimal range of efficiency, which can be as high as 96.5% in certain models like the TZ 180 C SNT 060 050 A 001

5. Permanent Magnet Synchronous Motor For EV Application Scenarios