Journal of Sensors / 2015 / Article / Tab 6

Research Article

Design and Implementation of Energy Efficiency in HVAC Systems Based on Robust PID Control for Industrial Applications

Table 6

Energy saving in plant 1.

Power consumption in old conventional system Power consumption after the designed control system
DateHourkWDateHourkW

14.11.201310:30:00 108.2105.01.201419:00:0059.08
14.11.201311:00:00109.5305.01.201419:15:0067.05
14.11.201311:30:00108.8705.01.201419:30:0065.72
14.11.201312:00:00109.205.01.201419:45:0065.06
14.11.201312:30:00108.8705.01.201420:00:0060.74
14.11.201313:00:00108.2105.01.201420:15:0065.72
14.11.201313:30:00108.8705.01.201420:30:0065.72
14.11.201314:00:00108.5405.01.201420:45:0065.39
14.11.201314:30:00108.8705.01.201421:00:0065.72
14.11.201315:00:00108.5405.01.201421:15:0065.06
14.11.201315:30:00108.5405.01.201421:30:0067.05
14.11.201316:00:00109.205.01.201421:45:0066.05
14.11.201316:30:00108.8705.01.201422:00:0063.06
14.11.201317:00:00109.5305.01.201422:15:0065.72
14.11.201317:30:00108.8705.01.201422:30:0065.39
14.11.201318:00:00109.5305.01.201422:45:0066.38
14.11.201318:30:00109.205.01.201423:00:0067.05
14.11.201319:00:00105.5505.01.201423:15:0066.38
14.11.201319:30:00105.8805.01.201423:30:0065.39
14.11.201320:00:00106.8805.01.201423:45:0066.05
14.11.201320:30:00109.205.01.201400:00:0066.05
14.11.201321:00:00108.8705.01.201400:15:0065.39
14.11.201321:30:00108.8705.01.201400:30:0065.72
Average108.55Average65.26

Average  power consumption: old = 108.55, new = 65.26, and  profit = 39.88%.