Favorable results of operation of the Transec unit at JSC Petrostal Metallurgical Plant
09.03.2020In August 2019, the Transec unit was in service in the subsidiary company of JSC Kirovsky Zavod. A short time ago, we have received an official letter with a recommendation to use our equipment.
The insulation drying process was performed on the transformer UTMRU 3500/35 in the period of August 21 to 23, 2019. The transformer was running for the entire period of service to provide the power supply to a rolling mill. The efficiency of the Transec unit was confirmed by a humidity monitoring system installed on the transformer and also by the transformer oil testing which has demonstrated a reduction in the oil humidity from 37 to 17 g/T. The dielectric properties of the oil were also improved. With regard to its physical and chemical parameters, it has achieved a full compliance with the requirements of the RD 34.45-51.300-97. The company representatives point out safety and reliability of the unit operation: the insulation drying process was performed continuously and unattended on the running transformer; no oil leakages occurred; the system tightness was confirmed by an absence of actuations of the gas protection.
The equipment characteristics have achieved the rated values within a short time without a stoppage in production of the plant. M.Y. Geremey, Chief Engineer of Petrostal Metallurgical Plant, recommended using the Transec units at other enterprises of the JSC: "in view of the favorable experience in operation of the Transec unit at Petrostal Metallurgical Plant, I consider it possible to recommend using this equipment for continuous insulation drying of oil-filled filters at other facilities of JSC Kirovsky Zavod".
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