The system of SRM (Switched Reluctance Drive: SRD) is the second most variable speed generation system frequency control system, after the brushless DC motor speed control system developed, is a modern microelectronic technology, digital technology, power electronics technology, infrared technology and modern electromagnetic theory, design and production technology for the integration of optical, mechanical, electrical integration of high-tech. It has the advantage of speed control system both DC and two AC speed control system. Britain, the United States and other developed countries start of the study switched reluctance motor drive system earlier, and has achieved remarkable results, products from several power levels up to several hundred w kw, widely used in household appliances, aviation, aerospace, electronics, Machinery and electric vehicles and other fields.
1. Introduction reluctance motor
is a new type of switched reluctance motor speed control motor speed control system both the advantages of current, two AC speed control system, is the second frequency speed control system, the latest generation of stepless speed control system brushless DC motor speed control system. Its structure is simple and strong, wide speed range, high speed performance, and are within the entire speed rangeIt has high efficiency, high reliability. There are switched reluctance motor, the power converter, a controller with a position detector composed of four parts. The controller includes a power converter and a control circuit, and the rotor position detector is mounted at one end of the motor.
Today, the development and application of switched reluctance motor has made significant progress, has been successfully applied to the electric vehicle driving, general industrial fields, and textile machinery, home appliances, power range from 10W to 5MW, maximum speed up to 100,000 r / min.
2. SRM Universal series
of Switched Reluctance Drive System for research and trial production started in the late 1980s and early 1990s, made from basic theory to design and manufacture of a wide range of technical achievements and progress, industrialization and applied research is lagging behind. Due to the industrialization of SRD, people usually bring their products as “Switched Reluctance Motor.”
3. SRD reluctance motor system
Switched Reluctance Drive system consists of four parts a switched reluctance motor (the SRM), the power converter, a controller, a rotor position detector. The controller includes a control circuit and the power converter and the rotor position detector is mounted at one end of the motor, the motor and the induction motor Y series made with the same frame size with the power profile.