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Characteristics and Application of DC Motor
- Categories:Industry News
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- Time of issue:2014-08-07 14:20
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[Summary information]DC motor shows AC motor can not match the good start performance and speed performance
Characteristics and Application of DC Motor
(Summary description)DC motor shows AC motor can not match the good start performance and speed performance
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2014-08-07 14:20
- Views:
Information
DC motor shows AC motor can not match the good start performance and speed performance, with a wide range of speed, smooth stepless speed regulation, enabling frequent stepless fast start, braking and reverse; overload Large capacity, can withstand frequent impact load; To meet the automated production system in a variety of special operating requirements. The DC generator is able to provide pulsating high-power DC power supply, and the output voltage can be accurately adjusted and controlled. . At present, although the problem of speed regulation of AC motor has been solved, the production machinery with high speed regulation, positive, reverse and start, frequent or frequent multi-unit operation still uses DC motor to drive.
But the DC motor also has its significant shortcomings: First, the manufacturing process is complicated, consume more non-ferrous metals, high production costs; Second, run-time due to brush and commutator prone to spark, so less reliable, more maintenance difficult. So in some areas that require less speed performance has been replaced by AC variable frequency speed control system. However, in some applications requiring a large speed range, high speed, good precision and excellent control performance, the application of DC motor still occupies a large proportion.
As the DC motor has a good start and speed performance, often used in start-up and speed control have higher requirements of the occasion, such as large reversing mill, mine hoist, hotel high-speed elevators, planer, electric locomotives, diesel locomotives, City trains, subway trains, electric bicycles, paper and printing machinery, marine machinery, large-scale precision machine tools and large cranes and other production machinery.
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StatementDue to the needs of business development of our company, we will start to use new company named Changzhou Best GBM Motors Co., Ltd. for external work from January 1, 2021. The production and storage site, equipment, personnel and process control ability of the new company are all the original organization of Changzhou AMEC & GBM Motor Co., Ltd., and there is no change in the quality system management. - Permanent magnet DC motor used in what places 08-08
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