Research Article
PSO Based Optimization of Testing and Maintenance Cost in NPPs
Table 3
Meanings of the notations in (
11).
| Notation | Meanings |
| | Yearly cost due to testing | () | Yearly cost due to preventive maintenance | () | Overhaul cost due to replacing a component with a new one | | Yearly cost due to corrective maintenance | | Outage cost due to technique specification (TS) | | Constant cost due to the plant outage | | Average time required to start up NPP after shutdown | | Hourly cost for conducting surveillance test | | Hourly cost for preventive maintenance | | Hourly cost for corrective maintenance | | Hourly cost for loss of production for plant downtime | | The total cost of replacing a component |
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