(1) When the carbon brush load of the motor is suddenly disconnected, the speed of the motor will rise so high that it will cause a speeding accident. If there is no special person to manage it, anti-speeding measures should be taken.
For example, a large cooling fan with many blades is installed on the motor. Since the power consumption of the fan is approximately proportional to the cube of the rotation speed, the power consumption of the fan increases significantly when the rotation speed increases, which limits the maximum rotation speed and ensures safe operation. . A protection device can also be used, when the speed suddenly rises, the water, electricity and cathode are put in to prevent the generation of overvoltage from the flying car.
(2) The carbon brush of the motor is in the generator parallel to the power grid. When the power grid is powered off or overhauled, it should be noted that the generator may be sent back to the power grid, and the parallel switch should be opened at this time.
(3) If an asynchronous motor is used as a generator for the motor carbon brush, in addition to using the main capacitor to provide reactive excitation, the auxiliary compensation capacitor should be increased or decreased accordingly with the change of the load to avoid overvoltage or voltage collapse.
Therefore, it is particularly important to do the maintenance work of the motor regularly, such as checking whether the filter screen is damaged or blocked, whether the overflow pipe is blocked, whether the turbine and generator are running normally, etc., which are particularly important in the motor.
Zhejiang Anrui Electric Appliance Co.Ltd. is a professional manufacturer of commutator (rotor) located in Yuyao city, Zhejiang province. We have over 100 employees and have a complete product line with more than 200 kinds of production models, making us to be one of the most potential manufacturers of commutators in China. We keep long-term and stable cooperative relationships with many famous electric machinery production enterprises in China. With strict quality control，continuous technology innovation and equipment improvement, our products are widely recognized by our customers. As a customer-centric and quality-oriented manufacturer, we will keep providing high-quality hook type commutator products and services. We look forward to the win-win cooperation with more global clients.