|
We provide each customer with the best solution by:
- developing detailed test procedures, including plant set-up and valve isolation requirements
- assisting with preparation of contractual performance acceptance criteria
- evaluating HP and IP turbine isentropic efficiency and leakage assessment
- evaluating corrected turbine maximum capability and heat rate
- evaluating condenser performance
- evaluating feedwater heater performance
- independently measuring NSW Greenhouse Gas Abatement Scheme (NGACS) efficiency improvements
- handling complex and non-routine tasks with short notice at any location
Our customers have enjoyed benefits including:
- improved profitability through early detection of faults and losses
- optimum maintenance and outage planning
- maximum plant output/efficiency
- considerable NGACS revenue ($) streams from plant efficiency improvement/upgrade activities
- independent, accurate,measurements and reports - NGACS, OEM contractural guarantees, GES, diagnostics, etc.
- reduced waste and improved emissions control
- an independent and confidential service provided by our highly skilled and experienced workforce
- results may be used for reporting to the Australian Greenhouse Office (AGO) and other relevant bodies
- total process solutions
|
|
For further information contact Scott Salter on 07 3423 4300 (International +61 7 3423 4300)
or click on the contacts button below. |
|
Case study
A set of performance measurements were conducted by HRL Technology on a large steam turbine-generator unit. The results were compared to previous results from similar tests conducted by HRL Technology two years previous, which showed and approximate 8% reduction in maximum generating capacity. The results were further diagnosed using process modelling programs to assess the most likely cause for deterioration in performance. It was concluded that the corrected main stream flow had reduced enough to cause this problem, together wiht some turbine cylinder efficiency reductions. This was also supported by increased pressure drops across a turbine stage.
The turbine was opened up and found to contain blockages of the HP turbine inlet and also damage to turbine blades and internals. These were repaired and the unit was reinstated. HRL Technology conducted a post-repair set of performance measurements that concluded that the maximum generating capacity and cylinder efficiencies had returned close to their optimum operating condition. The post-repair performance test results were also used to compare to contractual performance guarantees provided by the maintenance contractor. Installed station instrumentation could not provide the same level of accuracy and confidence in the measured and calculated results. |
|
| |
