Abstract
Coal usage is becoming more widespread in India because coal reserves are much greater than oil and gas reserves combined together and the cost of coal is also very attractive. For reducing the carbon emissions when coal is utilised for power generation, Integrated Gasification Combined Cycle (IGCC) technology can be used, which uses a gasifier to turn solid or somewhat pulverised coal into gaseous form which is called as synthesis gas (syngas). IGCC has the potential to generate power with better efficiency or efficiency on par with the existing technologies. It is very important to understand operational and design aspects of the IGCC technology via dynamic simulation studies. The paper discusses the transient behavior of the commercial scale IGCC plant through dynamic simulation studies. The major components of IGGC plants-gasifier, Heat Recovery Boiler (HRB), syngas clean up system, gas turbine, HRSG and regenerative steam cycle were modeled in Modular Modelling System (MMS). The objective is to study the effect of coal flow to the gasifier on the transient behaviour of the plant parameters.
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