General overhaul of turbo generator in unit B1 at TENT B

General overhaul of turbo generator in unit B1 at TENT B

PROJECT: GENERAL OVERHAUL OF TURBO GENERATOR IN UNIT B1 AT TENT-B

FACILITY: Turbo generator 665MW, TENT B

INVESTOR: JP EPS Beograd, branch TENT Beograd-Obrenovac

LOCATION: Ušće

YEAR: 2021

PROJECT DESCRIPTION:

During 2021 we have carried out activities on general overhaul of condensing steam turbine D4Y456, power 665 MW, manufactured by ALSTOM and generator WT23S-106AF3, manufactured by BBC (under BBC licence), as a part of investment maintenance of turbo generator in the second phase of revitalization of unit B1 at TENT B:

Overhaul included the following:

  • Seals HP, MP, LP12 and LP34
  • High pressure turbine
  • Medium pressure turbine
  • Low pressure turbine
  • Joints HP/MP, MP/LP12, LP12/LP34 and LP34/G
  • Turbine bearings and turbo generator shaft
  • Valve chambers HP, MP, LP and TTLP
  • Turbine of turbo feed pump
  • Generator
General overhaul of turbine in unit A2 in TPP KO
Connection of steam line and pipeline with HP turbine housing