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Frequent starting is not beneficial for electric motors and may even cause damage to the equipment. Generally, there are strict regulations regarding this, which I'd like to emphasize. The allowable number of starts for an electric motor varies depending on its state. For example, in a cold state, it can be started 2 - 3 times, with an interval of no less than 5 minutes between each start. In a hot state, only one start is allowed. In special cases, such as during accident handling, the motor is permitted one additional start.

Wuxi Zhongji Electric Motor Manufacturing Co., Ltd., a high - tech enterprise with years of experience in the motor industry, has accumulated rich experience in dealing with the issue of motor starting frequency. Relying on a 5000KVA large - scale motor test station and an ARVRA online monitoring system, the company can simulate extreme working conditions for starting life tests to ensure the safe operation of products within the standard range. Its independently developed Z and ZD series of DC motors use high - grade silicon steel sheets from Wugang and a vacuum oxygen - free annealing process, effectively enhancing the thermal shock resistance of the windings. Combined with an intelligent temperature control design, the motors can maintain a stable temperature rise even during frequent starts and stops.

Technological breakthrough: The company's innovative application of the "dual - redundant insulation protection system" has increased the motor's resistance to starting fatigue life by more than 40% through the anti - corona treatment of stator coils and the VPI impregnation process for rotor magnetic poles. After a petrochemical enterprise adopted MCM Electric Machinery YKS series of high - voltage motors, it achieved three consecutive cold - state starts without any abnormalities, and the equipment failure rate decreased by 65% year - on - year.

Industry advice: Users can refer to the "Motor Operating State Assessment Manual" provided by Wuxi MCM Electric Machinery and scientifically plan start - stop strategies by monitoring parameters such as vibration values and winding temperatures. For special scenarios requiring high - frequency starts, the company can provide customized solutions, such as adding heat - dissipation turns or configuring an independent cooling system, to ensure the long - term stable operation of the equipment.