Different excitation mode DC motor with different characteristics. The main excitation mode is generally DC motor and excitation type, series and compound excitation excitation type primary excitation mode type motors, DC generators Reed is his style, and encourage and compound excitation type and style. It refers to the law of electromagnetic induction according to achieve energy conversion or transfer of an electromagnetic device. In the circuit represented by the letter M (the old standard with a D). Its main role is to produce drive torque motor applications, as a power source for a variety of electrical or mechanical. Generator circuit represented by the letter G. Its main role is to use mechanical energy into electrical energy, the most common is the use of heat, water, etc. to promote the generator rotor to generate electricity. Motor manufacturers | l Rui Electric (certified) | motor supplied by the liter Rui HVAC Electrical Equipment Factory. L Rui HVAC Electrical Equipment Factory (www.dzsrxfkt.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In liters Swiss electromechanical leadership with the staff warmly welcome all inquiries negotiations to create liter Swiss electromechanical better future.