Budyonnovsk TPP, constructed on the basis of combined cycle gas turbine unit (CCGT-135), has been commissioned
25 June 2015
In the city of Budyonnovsk (Stavropol Territory) at the production site of Gas Chemical Complex of Stavrolen there has been commissioned a thermal power plant with capacity of 136 MW. Budyonnovsk TPP became a part of LUKOIL-Stavropolenergo and it is the largest facility of distributed generation of southern Russia.
Complicated technological connection of TPP was carried out by Interregional Distribution Grid Company of the North Caucasus (part of Rosseti companies group). There were built new or renovated existing substations and power lines. As a result, there was created energy structure, which will carry out reliable electricity supply for residents of Budyonnovsk Technology Park will enhance the industrial potential of the eastern zone of the Stavropol Territory, and it will fully satisfy the needs of Stavrolen GCC in the electrical and thermal energy.
New TPP has been constructed on the basis of modern combined cycle gas turbine unit. CCGT unit has design electric capacity of 136 MW and thermal capacity of 40 Gcal / h. It comprises two gas turbine units Siemens of type Industrial Trent 60 WLE (the former name of GTU is Rolls-Royce Trent 60 WLE) with rated capacity of 64 MW each, two waste-heat boilers PK-93 manufactured by ZIO OJSC (Podolsk), steam turbine Siemens of type SST-400.
The construction was carried out by LUKOIL-Energoengineering LLC. The general contractor is Synergetic Projects LLC. The main fuel for combined-cycle power unit is natural gas.
The treatment (fine purification and compression) of the fuel gas and its feeding into turbines at the required operating pressure of 5.8 MPa are implemented by the booster compressor station (BCS) manufactured by Swiss company Enerproject. BCS is composed of three compressor units (CU) of type EGSI-S-100/1000WA, two of which operate in continuous mode, the third – in the "hot" standby. Capacity of each CU is 815 m3 / h.
The peculiarity of the process procedure is pressure drop of gas at the inlet. To maintain a constant pressure level, compressor units have been upgraded – a reduction unit is built in the block-module of each CU. The design parameters of gas in terms of purity are provided by additional elements of the filtration system – external coalescing filters-separators equipped with automatic condensate drainage system.
Phased commissioning of the booster compressor station of fuel gas has been carried out by the company ServicENERGAS which is part of ENERGAS Group. Engineers have performed erection supervision, start-up and adjustment works, individual testing, and integrated verification of BCS as a part of the CCGT-135, as well as training of the operating personnel of customer.
REFERENCE. Stavrolen LLC is a city-forming enterprise, which employs more than 3,000 people. This is one of the largest manufacturers of high-density polyethylene, vinyl acetate of liquid pyrolysis products. Now at the site of Stavrolen there is being constructed gas-processing plant (GPP-1) – a component of a gas chemical complex. The enterprise also upgrades the installation for ethylene production.
By 2021, at the Stavrolen GCC it is scheduled to be commissioned in phases:
- GPP-2 with capacity of 4 billion cubic meters per year;
- Unit for the production of ethylene with capacity of 255 thousand tons per year;
- Unit for the production of polyethylene with capacity of 255 thousand tons per year.
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