Conjunctive operation of the Kulekhani Reservoir with the hydroelectric and thermal power plants in Nepal | |
| Author | Gautam, Tirtha Raj |
| Call Number | AIT Thesis no. WA-92-32 |
| Subject(s) | Kulekhani Reservoir Hydroelectric power plants--Nepal |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | An integrated approach, combining dynamic programming and simulation models, has been developed and applied for the optimal operation of Kulekhani reservoir, which is a part of the mixed hydro-thermal power system consisting of several run-of-the-river type and thermal power plants in Nepal. The approach incorporates the stochastic nature of strearnflow implicitly by incorporating synthetic streamflows in the simulation model. The objective function of the dynamic programming model has been taken as maximization of firm energy generation on an annual basis treating the output of thermal and run-of-the-river type power plants as a parameter to find the optimal output. Simulation of the mixed system has been carried out by imposing an additional constraint of demand load derived by the dynamic programming model. Simulation is based on the standard operating rule of successively producing hydro- power and thermal power in order to fulfil the deficit. The comparison of independent operation of Kulekhani reservoir and its combined operation with thermal and hydro power plants justifies the idea of combined operation. The firm energy capability of the system and the operating policy of Kulekhani reservoir have been determined. Storage capacity of Kulekhani reservoir is fully utilized by the present generating facilities in Nepal and storage-based power plants should be committed in future instead of run-ofthe-river type power plants. Within-year variation of streamflow may be coped with wise management of storage-based and run-of-the-river type power plants; however, thermal power should also . be developed simultaneously to cope with yearly variation of streamflow. Presently available facilities can meet the demand up to 1993 only and immediate step should be taken towards the solution of high increase in future energy demand. Reliability of the system will not be affected much by possible future inflow sequences to Kulekhani reservoir. Thus anticipated performance and reliability of the overall system have been evaluated and a guideline for the operation of existing facilities as well as for the planning of future power projects in Nepal has been provided. Combination of optim1zation technique with simulation model can easily handle the complexities that appear in the power system by the presence of thermal and run-of-the-river power plants. Power system consisting of thermal power plants are more reliable and advantageous than individual hydro power system. |
| Year | 1992 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Other Field of Studies (No Department) |
| Academic Program/FoS | Water Resources Research Engineering (WA) |
| Chairperson(s) | Harboe, Ricardo |
| Examination Committee(s) | Hjorth, Peder ; Onta, Pushpa Raj |
| Scholarship Donor(s) | Government of Australia |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1992 |