In 2020 we faced the challenge of modernizing the WLM 2.5 boiler control system. The challenge was not the modernization itself but the period of time when we were supposed to do it. The heating season was approaching.
The heating season is a very ‘hot’ and demanding period for the energy industry. Our client decided to modernize the WLM 2.5 boiler control system. The main purpose of this modernization was to adapt the system to the current requirements of the Technical Inspection Authority and to eliminate failures and downtimes.
Worn-out control cabinets caused frequent failures which made it impossible to supply heat energy to the end users. It was a very troublesome failure during the heating season. The delivery of the new cabinets based on highly efficient Danfoss inverters and Siemens switching devices eliminated this problem.
Another improvement was the development of a simple but reliable algorithm for the Siemens controller. It allowed to simplify the operation of the system and to meet the safety requirements for such systems.
Compliance with safety requirements has been confirmed by the Technical Inspection Authority as well as provided with appropriate certificates. The entire project was completed even a few weeks before the scheduled date, which allowed for a thorough familiarization with the new solutions.
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