Roots blower inverter motor control principle is generally blower inverter motor control strategy is: the base speed with constant torque control, constant power above the base speed control, ultra-fast weak magnetic scale manipulation. Base rate: because the motor work occur when a counter electromotive force, and the size is generally proportional to the speed of the back EMF. Thus when the motor work to a certain speed, because the back-emf size and size as the applied voltage, the speed at the moment called the base speed. Constant Torque Control: motor at the base speed, constant-torque control. At the moment the motor speed is proportional to the counter electromotive force E and the motor. And motor output power and the motor torque and speed proportional to the product, which at the moment is proportional to the motor power and speed. Constant Power Control: When the motor beyond the base speed, after conditioning motor excitation current to control the motor back-EMF simply adhere to stabilize, as progressive motor speed. At the moment, the plant dust blower, motor output power simply adhere to stable, but the motor torque and speed inversely proportional to the decrease. Weakening control: When the motor speed must exceed the value, Changchun Roots blower, the field current is now reasonably small, simply can not recuperate, now entering the field weakening control period. My company's main blower advanced technology, coal washing blower, the use of advanced CAD-aided design, development and production of high-quality professional precision, low noise, and a new generation of energy efficient products, the product has reasonable structure, small size, Boost, high efficiency, air volume, low noise, smooth operation, excellent performance, long life, simple maintenance features Following is a brief look at the Roots blower used in the feed industry: feed processing industry will be used in Romania Mainz blowers, mainly used to transport feed, drying, etc. transport and drying of the amount of feed you should see how much the proportion of the need to provide transportation, delivery volume, diameter, height, distance, and other parameters. Drying need to provide moisture drying amount. pneumatic conveying blower, Zhucheng East Han Machinery Co., Ltd., Changchun blower provided by Han Machinery Co., Ltd. Zhucheng East. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) (www.dhlcfj.com) is an industry leader in Shandong Weifang, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. John in Zhucheng East Machinery Co., Ltd. leadership with the staff warmly welcome all inquiries negotiations to create Zhucheng East Han Machinery Co., Ltd. a better future.