What are the advantages of AC drive technology for electric pallet trucks over DC drives?

The electric pallet truck is a comprehensive technology, in which the electric drive system is one of the key technologies of the electric pallet truck. With the development of AC motor control technology and high-power electronic devices, AC drive has gradually become the mainstream of electric pallet truck drive. Adopting vector control AC asynchronous motor drive technology, the motor has a simple, sturdy structure and good controllability, and has been widely used in various electric vehicles.

For many years, DC motor has been the main power source of electric storage and handling equipment. As a cheaper driving method, DC drive has been widely used in motor equipment for a long time. However, the DC system itself has some inherent defects in performance maintenance, etc., and AC and AC motors are far superior in this regard, so warehouse handling equipment manufacturers have basically begun to focus on the research and development of AC technology.

Actually at the end of the nineteenth century. AC power has become ubiquitous, and it is AC motor technology that has driven the electrification of industry, railways, and other fields. Today, electrical products using AC technology are everywhere, and AC is perhaps the most widely tested and proven technology. The advantages of the AC technology of electric pallet trucks are mainly reflected in the following aspects: the conversion between high and low voltage is simple; the motor becomes strong and efficient, and can withstand the impact of high current. The number of parts of the motor is greatly reduced, and it is wear-free and durable; compared with the DC motor, the cost is significantly reduced. However. The application of AC motors in battery-powered equipment such as pallet trucks is limited to a certain extent. There are two main reasons: the low system voltage of 80V requires high-energy semiconductors to realize the conversion from DC to AC, and the cost of this remains high; The conversion process itself consumes energy, and the battery capacity is quite limited. However, Taixing New Pallet Truck Manufacturing Co., Ltd. has now developed a new series of AC powered electric pallet trucks. The new electric pallet truck overcomes the above problems and realizes the full potential of AC technology, resulting in lower operating costs and significantly improved performance and reliability.

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