Research Article
Effect of Change in Plant Capacity towards Controllability of Biohydrogen Production Plant from Biomass
Table 5
ISE values for the set point change test in both plants with capacities A and B.
| Controlled variables | Initial set point (°C) | Increment (°C) | New set point (°C) | ISE values | Capacity A | Capacity B |
| Temperature inside gasifier | 800 | +50 | 850 | 1,062.43 | 4,202.27 | Temperature inside char combustor | 850 | +50 | 900 | 429.19 | 2,776.15 | Temperature of “flue gas out” stream | 100 | +20 | 120 | 83.15 | 136.10 | Temperature of “gas out SMR” stream | 800 | +50 | 850 | 2,087.61 | 2,799.45 | Temperature of “gas to WGS” stream | 150 | +20 | 170 | 189.22 | 620.80 |
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