At the site of UEC-UMPO test bench, there is mounted equipment for fuel gas supply into the gas turbine engines under testing

11 September 2018

PJSC UEC - Ufa Motor-Building Production Association (UEC-UMPO) is the largest designer and manufacturer of aircraft engines in Russia. In addition to aircraft engines UEC-UMPO manufactures products for the gas transportation industry and the gas turbine energetics.

As a part of enterprise, there is test bench, built by JSC Ufa-Aviagaz (subsidiary of UEC-UMPO). The complex provides equivalent cyclic testing of gas turbine engines (GTE) AL-31ST used in gas pumping units and power plants.

Unique in its features test bench of UEC-UMPO allows to test individual units and assemblies, as well as the entire design of the engine at a significantly accelerated cyclic loads in artificially created extreme conditions (in comparison with the natural operation conditions). On the test bench there are thoroughly tested design of rotating blades and frames of the high-pressure turbines, from operability of which there is directly depending general operational life and reliability of the drive.

As part of upgrade the test bench is equipped with a booster compressor unit (BCU) for uninterrupted fuel gas feeding for testable GTE according to the set parameters on purity, pressure, temperature and flow rate.

BCU, supplied by the company ENERGAS will compress gas to the required operating level (2.8…3.2 MPa) and feed it to the gas generator of drives in the process of their testing.

The equipment was developed on a special project; it is designed for operating under high intensity of starts and shutdowns as well as various duration of testing. Capacity of BCU is 6,500 m3 / h.

For efficient monitoring, management and safe operation of BCU is responsible automated control and regulation system (ACRS). ACRS is a complete two-tier system, which is integrated into APCS of the test bench.

Currently, the equipment has been erected at the operation site. In the course of mounting there were performed installation, alignment and fixing on the foundation, as well as large-scale assembly of BCU. There has been mounted air cooler. Also were completed piping arrangement and power connection.

Phased commissioning of the ACRS and fuel gas BCU is carried out by the company ServicENERGAS (ENERGAS Group). In addition to the erection supervision, technicians will perform start-up and adjustment works, individual testing, and comprehensive test of equipment in conjunction with a gas turbine engine, as well as training of the operating personnel of the customer.

Note that for ENERGAS this is the fourth similar project. Earlier, by compressor units there were equipped gas turbine's test bench of PJSC Proton - Perm Motors, JSC UEC - Gas Turbines and CJSC Nevsky Zavod.

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