Manufacture and delivery of DC drive «Variant-DC» designed to raise a derrick of drilling rigs BU4500/270.
In accordance with the technical assignment from AO Siberian Service Company Nefteyugansk subsidiary, a derrick raising device was manufactured and delivered. It is intended to control a drill winch when raising or lowering a derrick of drilling rig Uralmash BU 4500/270 EK-BM. The packaged DC drive «VARIANT-DC» was applied, manufactured by AO ASC jointly with a Chinese partner, according to the OEM production scheme.
The drive has the following characteristics: type ZT-280/400-K, 3-phased, Uinput=400V 3AC, 50/60Hz, Iinput=232А, Udc=420ВDC, Idc=280A, 4-quadrant control.
The equipment package was implemented as a mobile one and is located in a block-box to enable its outdoor use in any weather conditions.