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GTX DUBAL

Gas turbine power station

Client:
Dubai Aluminium, United Arab Emirates

Execution:
2006-11

Gas and steam turbine power plant Mittelsbüren

Client:
Gemeinschaftkraftwerk Bremen GmbH & Co. KG

Execution:
2009-14

Lichterfelde

Gas turbine power station

Contracting party:
Vattenfall Europe Wärme AG, Berlin

Execution:
2009-16

Power Network Analysis for Wind Power Integration

Client:
Elektromreza Srbije (EMS)

Execution:
2010

Maritza East III Power Station

Client:
DSD Dillinger Stahlbau GmbH, Germany

Execution:
October-November2002

Uppsala CHP Station, Sweden

Client:
Uppsala Energi AB, Sweden

Execution:
2000-01

Grid Study and Grid calculations to the WEMAG Distribution Network

Client
WEMAG

Execution
2010—ongoing

Engineering- and Project Management at District Heat Storage Reuter West

Client
Vattenfall Europe Wärme AG Berlin

Execution
2011-14

New build of Power Station Moorburg (2 x 820 MW), Germany

Client:
Vattenfall Europe Generation AG  

Period:
2005-15

Capital expenditure:
€3 billion

Testing of the Uppsala CHP Station, Sweden

Project description

Uppsala Combined Heat- & Power Plant (CHP) is the biggest peat-fired station in Sweden. It has no recooling capacity additional to the district heating system, i.e. no heat is produced that can not be delivered to the district heating grid, meaning it is only operated in the heating season. The efficiency is therefore very high with about 90 %, with 120 MW electricity and 240 MW heat.

This plant was originally commissioned as an oil fired plant in 1973. In 1985 it was converted to pulverised fuel firing and for many years it was one of the world’s largest CHP plants for renewable fuels. Main fuel today is peat briquettes with a varying blend of wood. From a separate milling plant suitable for renewable fuels and even coal, the powder is blown through pipes into the boiler building.

VPC carried out various technical tests as part of a study describing necessary rehabilitation measures for a further 15 years operation of the Uppsala CHP plant.

VPC performed material analysis for assessing the residual life time of highly stressed components of the steam system during the status assess­ment as well as other technical diagnostic services and measure­ments. Inner inspections of the boiler were performed by ”walk through” of the combustion chamber (cold condition) and boroscoping of drums, pipes and other equipment.

Client

Uppsala Energi AB, Sweden

Main Data

Electrical power                                    120 MW
Heat                                                    240 MW
Fuel                                                     Peat/wood/coal
Live / reheat steam temperature            535 °C
Live steam pressure                              125 bar

Execution

2000—2001

VPC's Services

  • Review of existing reports
  • Development of inspection program
  • Inspection and assessment of the plant status, the plant’s wear and tear state, plant operation management
  • Evaluation of plant performance capability
  • Metallographic investigations and inner inspections
  • Thermography
  • Site measurements
  • Assessment of results and reporting