Industrial applications of fibre optics in high voltage inverters

     With the development of the market economy and automation, the degree of intelligence, the use of high-voltage frequency converter speed control of pump loads, not only to improve the process, improve product quality has the benefit of energy saving and economic operation of the equipment is the requirement of the inevitable trend of sustainable development. The pump load speed control has many benefits. From the application of examples, most have achieved better results (some energy-saving up to 30% -40%), significantly reducing the water plant water costs, improve the degree of automation, and is conducive to the pump and the network of reduced pressure operation, reducing the leakage, pipe bursting, and can extend the service life of the equipment.

  In high voltage inverter systems, we recognise that the signals in the control unit cabinet section are mainly weak, but the whole system works in a more hostile environment, with uncertain (longer) transmission distances and the presence of various high voltage electrical signals. If the use of pure copper wire for transmission, you need to face a variety of interference, boosting, bucking, loss, easy to corrode and other issues, which leads to low reliability, low practicality, waste of resources and other results. The use of industrial optical fibre is a good solution to the above problems, so optical fibre communication will inevitably become the main means of communication in the future.

Industrial optical fibre solves the problems of voltage change, loss and interference in the transmission of copper wires by transforming electrical signals into optical signals, and is mainly used in the communication of control cabinets and inverter power unit cabinets.

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