Energy Balance for Power, Heat, Cooling

September 27th, 2011 No Comments   Posted in Trigeneration and Cogeneration

Energy Balance for Power, Heat, Cooling

Addressing climate change and global warming needs effective counter measures such as reducing GHG emission from carbon dioxide emitted by fossil-fired power plants.

Using tri-generation systems is one effective measure that could be used to reduce fuel consumption  as it increases energy utilization efficiency from the traditional 33% for Rankin steam cycles (oil, gas, coal thermal) to 54% for combined cycle gas turbine (CCGT) to tri-generation (power, heat, cooling) that could utilize as much as 85% of the fossil energy.

When the simultaneous provision of power, process heat and space cooling or refrigeration is required in an industry and commercial building such as hotels, hospitals, office buildings and computer data centers, then tri-generation sytems is a good investment as it offers cost and energy saving to the building owner and the country.

Your energy technology expert has prepared an easy-to-use Excel model for preparing an energy balance for power, heat, chilled water (tri-generation) and co-generation (power, heat) system More »

Linear Programming (LP) Model for Cogeneration and Trigeneration – raising energy utilization efficiency

September 3rd, 2011 No Comments   Posted in Trigeneration and Cogeneration

Linear Programming (LP) Model for Cogeneration and Trigeneration – raising energy utilization efficiency

With the world running out of cheap fossil fuels (crude oil, coal, natural gas), and with continued rise of their prices in the international market, the world is exhausting all possible means of minimizing the impact of diminished supply and expensive cost of fossil fuels.

Among the response of the world’s leading economies as well as emerging economies is to raise energy utilization efficiency in power generation using cogeneration and trigeneration. When the simultaneous provision of electricity and process heat as well as cooling or refrigeration is desirable, the use of cogeneration and trigeneration will raise efficiency from the usual 33% of rankine thermal power systems (oil, gas, coal, biomass thermal) to 56% for cogeneration power systems (oil, gas, biomass) up to 80-90% with trigeneration.

Linear Programming (LP) and setting up LP models to optimize a number of processes and business models is an expertise close to the heart of the energy technology expert. As the LP model custodian of the Petron Bataan Refinery, he was involved in the re-structuring of the refinery’s cost minimization LP model to a profit maximization LP model that ensured that expensive intermediate process streams are blended to the higher valued products which a cost minimization model could not distinguish from. More »