Consider a co generation plants associated with any process industries which were designed to meet the process electrical and steam loads from a extraction condensing steam turbines with an operation strategy to supply electrical and heat requirements of the plant only. These plants normally with Grid for stability purpose so that any transient electrical load imbalances can be met from or to grid. Let us consider a case where renewable energy i.e solar is added to the existing system. Due to variable in nature of solar energy , leads to variations in the process parameters and plant may go to inefficiency as with reduction of electrical generation extractions and boiler loading gets effected. Is there any research papers that give feasible solutions to the problems ? if available please share
I have no paper but with solar energy I suggest several possibilities
1) electrolysis and hydrogen production followed by fuel cell or hydrogen combustion. This solution is expensive.
2)a lot of electrical batteries to regulate electrical power knowing that solar is intermittent
3)using solar energy to produce heat may be steam for your process
I have conducted performance tests at several such plants, for example: paper mils also producing electricity, bio mass plants that burn fuel that is waste from another industry, and systems that recover heat from electrical generation to provide air conditioning or heat to other facilities. I have yet to see one that wasn't a huge disappointment to the people who paid for it. One of the saddest cases is a bio mass plant that forgot to account for the fact that the fuel sits out in the rain and is often soaking wet and won't burn without a whole lot of diesel fuel, which they didn't expect to be paying for when they did the economic analysis. I can't share the details because the information is proprietary. Peaking plants have all sorts of maintenance issues that nobody likes to talk about. Imagine having a school bus in your driveway that you only start three times a month.
I have paper on hybrid photoovltaic/diesel/ wind system:
Hussein A Kazem and Tamer Khatib, “A novel numerical algorithm for optimal sizing of a photovoltaic/wind/diesel generator/battery microgrid using loss of load probability index”, International Journal of Photoenergy, March 2013, 8 pages.
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