Recommendation letter on implementation of relay compartments retrofits 6-35 kV produced by «Unitel Engineering» LLC

Letter from the first Deputy Director, Chief Engineer A.A. Pushkarev (PJSK «MRSK Centre and Volga Region» - «Kirovenergo»):

14 set of relay compartments retrofits 10 kV, produced by «Unitel Engineering» LLC, were delivered at substation «Progress» 110 kV - PJSK «MRSK Centre and Volga Region» - «Kirovenergo» branch, within modernization of substations, in October 2021.

Preliminary «Unitel Engineering» LLC has surveyed exist equipment, so erection of the relay compartments retrofits has been operated at the tight deadlines and without any complaints. Modular supplies of the relay compartments retrofits and construction documentation allows speeding up an erection process and commissioning at the substation. This fact reduced time of standing the consumers without power supply system. Retrofits have been elaborated in plant conditions. Lacer cutting has made indexing holes in the relay compartment’s door and the door has been dyed by powder-coated paint. The equipment has been delivered in wooden boxes with possibility of identification of each retrofit’s type. There are faceplate with erected keys, devices, and connected conductor in wooden boxes, packed separately. Terminal rows have been erected on DIN and installed on transfer model. Additionally, relay compartments retrofits has been tested successfully and had Eurasian Economic Union certificate № 0238437 RU.

 
I am ready to recommend this equipment, produced by «Unitel Engineering» LLC, for the rebuilding of 6-10-35-110 kV substation.

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