Belt conveyor overcurrent protection cannot be judged and recognized

25-09-2019ZGS vibrating screen

  Since most of today's machinery is powered by power, they are equipped with overcurrent protection and belt conveyors are no exception. Reasonable overcurrent protection prevents damage to the equipment due to excessive current and protects the conveyor belt from normal operation.

  The overload of the belt conveyor is divided into continuous overload and short-term or transient overload. The former case is not allowed and cannot be maintained for a long time. The two situations are more complicated because short-term overloads often occur with certain temporary faults. However, if it is not processed in time, it will develop into a continuous overload, or the conveyor will resume normal operation immediately after the exclusion.

  In other words, short-term overload does not mean that an accident must occur, so in this case, the belt conveyor does not have to stop working. However, overcurrent protection cannot be judged and identified. Once the load current rises to the specified limit, the belt conveyor will immediately stop working, thus controlling the belt conveyor to continue to exceed. The results also limit the possibility of converting to good results.

  In actual production, due to overcurrent protection, the belt conveyor also causes many unnecessary downtimes, which can eliminate the failure of the scraper chain during operation, which will greatly reduce the transportation efficiency of the equipment.

  However, sometimes overcurrent protection in belt conveyors does not effectively protect the equipment, especially in the event of equipment failure. It can be seen that the addition of a motor overcurrent protector does not fully protect the belt conveyor and has greater limitations.

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