Siemens develops protection for pumps
Published by Lucy Stewardson,
Editorial Assistant
World Cement,
Siemens has developed a new type of detection technology that protects centrifugal pumps from dry running in hazardous areas.
The company has developed special current/voltage detection modules for its Simocode pro motor management system. In order for the technology to be certified as an ignition source monitoring device, corresponding to a type b1 ignition protection system according to ATEX and IEC Ex, its principles and practical applicability have been investigated within the scope of a research operation project. This was done with the Physikalisch-Technische Bundesanstalt (the National Metrology Institute) in Germany.
In the event of dry running, the power consumption of electrically-driven centrifugal pumps falls. In order to prevent this, Simocode pro switches the pumps off when consumption falls below a minimum value. The technology’s motor management system also offers comprehensive protection, monitoring, and control functions for the safe disconnection of motors, integration in process control systems, and a large number of interfaces for system-wide communication. Simocode pro also makes detailed operating, service, and diagnostic data, alongside process and measured values available to higher level systems and cloud solutions.
Simocode pro monitors the active electric power consumption of the pump using measuring modules. This is able to detect diminishing flow rate and shut off the pump in good time and at defined time values to prevent impending dry running. The result is that additional sensor technology that would otherwise be required to monitor the pump for dry running can be eliminated. Users can also set limit values using a menu-guided teach-in procedure in the engineering software.
The development of this technology means a reduction in hardware, early detection of faults, and the avoidance of damage to the pump, as well as safe and reliable protection from explosion, savings in time and money that would be spent on maintenance, higher system availability, and economic efficiency.
Siemens AG is active around the globe, focusing on electrification, automation, and digitalisation.
Read the article online at: https://www.worldcement.com/europe-cis/13112018/siemens-develops-protection-for-pumps/
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