permanent magnet material:NdFeB, rare earch
Housing material:aluminum/iron cast
Generator type:3 phase AC low rpm directly drive Working voltage:12v 24v 48v 96v 120v 240v,380v 500v Assembly:rotor,stator,housing, front cover,back cover Gear:no Rated power:300w-30kw
A permanent magnet generator is a power generation device that converts mechanical energy converted from thermal energy into electrical energy.
1.Gearless, direct drive, low RPM generator
2.Low start up speed due to low cogging and resistive torque design
3.High standard, quality components for use in harsh and extreme environments for wind turbines
4.High efficiency and Low mechanical resistance energy loss
5.Excellent heat dissipation due to the Aluminium alloy outer frame and special internal structure
6.High strength from the specially desy selecign structure and fully heat treatment Aluminium
7.Generator is designed using speciallted material and treated to resist corrosion and oxidation
8.Designed for reliable and long operational lifetime under long-term full output
Permanent magnet generators have the advantages of small size, low loss, and high efficiency. Today, energy conservation and environmental protection are increasingly valued, and research on them is very necessary. It can be brushless in many cases, so it is mostly used for small and micro motors. When using a variable frequency power supply, the permanent magnet motor can also be used for speed control transmission systems. With the continuous improvement and improvement of the properties of permanent magnet materials, permanent magnet motors have been widely used in various fields such as household appliances, medical equipment, automobiles, aviation and national defense.
Permanent magnet generator as a vehicle motor has the advantages of high efficiency, energy saving, low carbon, high power and small size, but its output voltage is not easy to adjust, high frequency iron loss is large, the temperature of the motor is high, and the starting torque is large. The disadvantage of the permanent magnet motor is that if it is used improperly, when it is operated at too high or too low temperature, under the action of the armature reaction caused by the impulse current, or under severe mechanical vibration, it may produce irreversible Demagnetization degrades the performance of the motor and even makes it unusable. Therefore, special attention should be paid when using permanent magnet motors.
1: Simple structure and high reliability. The permanent magnet generator eliminates the excitation winding, carbon brush, and slip ring structure of the excitation generator, and the structure of the whole machine is simple, which avoids the burnout and disconnection of the excitation winding. The structure of the carbon brush and slip ring is simple. It avoids the faults such as the burnout and disconnection of the excitation winding of the excitation generator, the easy damage of the carbon brush and the slip ring, and the reliability is greatly improved.
2: Small size, light weight and high specific power. The use of the permanent magnet rotor structure makes the internal structure design of the generator very compact, and the volume and weight are greatly reduced. The simplification of the structure of the permanent magnet rotor also reduces the rotor inertia, increases the practical speed, and the specific power (that is, the ratio of power and volume) reaches a very high value.
3: Medium and low speed power generation performance is good. Under the same power level, the output power of the permanent magnet generator is twice as high as that of the excitation generator at idle speed, that is, the actual equal power level excitation generator of the permanent magnet generator.
4: Can significantly extend battery life and reduce battery maintenance. The main reason is that the permanent magnet generator uses a switch-type rectification and voltage stabilization method, which has high voltage stabilization accuracy and good charging effect. Avoid shortening the battery life caused by overcurrent charging. The starting rectifier output of the permanent magnet generator uses a small current pulse to charge the battery. The same charging current has a better charging effect, thereby extending the battery’s service life.
5: High efficiency. The permanent magnet generator is an energy-saving product. The permanent magnet rotor structure eliminates the excitation power required to generate the rotor magnetic field and the mechanical loss of friction between the carbon brush and the slip ring, which greatly improves the efficiency of the permanent magnet generator. The average efficiency of ordinary excitation generators in the speed range between 1500 rpm to 6000 rpm is only 45% to 55%, while permanent magnet generators can reach 75% to 80%.
6: The self-starting voltage regulator does not need an external excitation power supply. The generator can generate electricity with just one rotation. When the battery is damaged, as long as the engine is running, the car charging system can still work normally. If the car does not have a battery, as long as you turn the handle or slide the car, you can also achieve ignition operation.
7: Particularly suitable for working in harsh environments with high humidity or dust.
8: Radio interference. The structure of the permanent magnet generator without carbon brush and slip ring eliminates the radio interference caused by friction between the carbon brush and the slip ring; it eliminates electric sparks, and is especially suitable for working in environments with a high degree of explosive danger, and also reduces the generator. Requirements for ambient temperature.