Valeo Nidec motor German Valeo Nidec model Valeo Nidec price

Valeo Nidec motors are a new generation of gear reduction motors, featuring compact size, low noise, maintenance-free operation, and attractive appearance. The speed ranges from 0.83r/min to 300r/min. This series of low-speed motors is a new high-tech product that integrates electromagnetic drive and reduction mechanism within the motor housing. The low speed and high torque can directly meet customer requirements without the need for additional reduction devices. The motor uses Class B and Class F insulation, with protection ratings of IP44 and IP55, and voltages of 220V and 380V.

Valeo Nidec motor applications

An electric motor is an AC motor whose speed under load does not maintain a constant ratio to the frequency of the connected power grid. It also varies with the magnitude of the load. The greater the load torque, the lower the rotor speed. Asynchronous motors include induction motors, doubly-fed asynchronous motors, and AC commutator motors. Induction motors are the most widely used; where no misunderstanding or confusion arises, induction motors are generally referred to as asynchronous motors. The stator windings of standard asynchronous motors are connected to the AC grid, while the rotor windings do not require connection to other power sources. Therefore, they offer advantages such as simple structure, ease of manufacturing, use, and maintenance, reliable operation, lighter weight, and lower cost. Asynchronous motors have high operating efficiency and good performance characteristics, running at near-constant speed from no-load to full-load, meeting the transmission requirements of most industrial and agricultural machinery. Asynchronous motors can also be easily adapted into various protection types to suit different environmental conditions. During operation, asynchronous motors must draw reactive excitation power from the grid, which worsens the power factor of the power system. Therefore, synchronous motors are often used for driving high-power, low-speed mechanical equipment such as ball mills and compressors. Due to the slip relationship between the speed of an asynchronous motor and its rotating magnetic field, its speed regulation performance is poor (except for AC commutator motors). For transportation machinery, rolling mills, large machine tools, dyeing, and papermaking machinery that require a wide and smooth speed regulation range, DC motors are more economical and convenient. However, with the development of high-power electronic devices and AC speed control systems, the speed regulation performance and economy of asynchronous motors suitable for wide speed adjustment are now comparable to those of DC motors. Asynchronous motors are mainly used as motors, with power ranges from a few watts to tens of thousands of kilowatts. They are the most widely used motors in various sectors of the national economy and in daily life, providing power for various mechanical equipment and household appliances. For example, machine tools, small and medium-sized steel rolling equipment, fans, water pumps, light industrial machinery, metallurgical and mining machinery, etc., mostly use three-phase asynchronous motors (Asynchronous Motor) for drive; single-phase asynchronous motors are widely used in household appliances such as electric fans, washing machines, refrigerators, and air conditioners. Asynchronous motors can also serve as generators, used in wind power plants and small hydropower stations.

Valeo Nidec motor advantages

Advantages of the motor: Compared to asynchronous motors, permanent magnet synchronous motors have much higher efficiency values under light load. Their high-efficiency operating range is wide, with efficiency greater than 90% in the range of 25% to 120%. The rated efficiency of permanent magnet synchronous motors can meet the Level 1 energy efficiency requirements of current national standards, which is their biggest advantage in energy saving compared to asynchronous motors. In actual operation, motors rarely run at full power when driving loads. The reasons are: on one hand, designers generally determine motor power based on the extreme operating conditions of the load, but extreme conditions occur rarely. At the same time, to prevent motor burnout under abnormal conditions, designers further leave a power margin. On the other hand, motor manufacturers usually leave a certain power margin beyond the user's required power to ensure reliability. This results in most actually operating motors working below 70% of their rated power, especially when driving fan or pump loads, where motors typically operate in the light load region. For asynchronous motors, light-load efficiency is very low, whereas permanent magnet synchronous motors can still maintain high efficiency in the light load region.

Valeo Nidec motor mechanical characteristics

The basic characteristic of the motor is that the rotor windings do not need to be connected to other power sources, and its stator current is drawn directly from the AC power system. Compared with other motors, asynchronous motors have a simple structure, are easy to manufacture, use, and maintain, have high operational reliability, are lightweight, and have low costs. Taking three-phase asynchronous motors as an example, compared to DC motors of the same power and speed, the former weighs only half as much and costs only one-third. Asynchronous motors can also be easily developed into various product series to meet the requirements of different environmental conditions. They also have load characteristics close to constant speed, meeting the drive requirements of most industrial and agricultural production machinery. Their limitation is that their speed has a fixed slip rate relative to the synchronous speed of their rotating magnetic field (see asynchronous motor), resulting in poor speed regulation performance. In applications requiring a wide and smooth speed regulation range (such as driving rolling mills, hoists, large machine tools, etc.), they are less economical and convenient than DC motors. In addition, when asynchronous motors operate, they draw reactive power from the power system for excitation, which leads to a deterioration of the power factor of the power system. Therefore, in high-power, low-speed applications (such as driving ball mills, compressors, etc.), it is more reasonable to use synchronous motors. Due to the large production volume and wide usage of asynchronous motors, they must have a variety of models and specifications to match various machinery. Therefore, the design and production of asynchronous motors must pay special attention to standardization, serialization, and generalization. Among various product series, the three-phase asynchronous motor series, with the largest output and widest usage, is the basic series; in addition, there are several derived series (series derived by making partial changes to the basic series) and specialized series (series with special structures designed for special needs).

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