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Operational Analysis of a Photovoltaiec Plant as a Micorgird

Mehraban Khomartash, Mahmoud | 2015

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 47419 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Ranjbar, Ali Mohammad
  7. Abstract:
  8. Nowadays, high reliability requirements for commercial and industrial loads, make it necessary to install microgrids for supplying the loads during power outages. Due to the fact that solar energy is clean, free of noise pullotion and also it benefits from the governmental obligations, it is a wealthy choice for supplying the load in microgrid. Designing and operation of the photovoltaic microgrid are the two important steps that should be considered. In this thesis, these two steps have been investigated by integrating a battery system into a solar PV plant and control of PV mictrorid in islanded mode. In the designing step, the optimum battery bank is calculated. For calculating the optimum battery size, besides the investment cost, the damage costs due to the outages are considered. The outage cost are calculated by using a factor known as individual customer damage function (ICDF). The results signify that the investment cost increase while the total microgrid cost decrease drastically. It worth mentioning that a case study is used and all the equipment for installing the battery bank has been considered. In the next step, the microgrid energy management and also control of converters are surveyed. In photovoltaic microgrid, drastic change in PV converter for delivering the PV power is an important issue. Moreover, load demand varies dramatically. In this thesis, active disturbance rejection control (ADRC) has been used to overcome the aforementioned issues. Simulation results indicate that ADRC handle the changes in the converters set points. It has a great transient response for different setpoints
  9. Keywords:
  10. Cost Function ; Photovoltaic Park Control ; Microgrid Control ; Active Disturbance Rejection Control (ADRC) ; Individual Customer Damage Function (ICDF) ;

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