Journal of Sensors / 2015 / Article / Tab 8

Research Article

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

Table 8

Energy saving in plant 3.

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

16.11.201310:30:0085.6406.01.201418:00:0043.81
16.11.201311:00:0085.306.01.201418:30:0043.81
16.11.201311:30:0085.6406.01.201419:00:0043.48
16.11.201312:00:0084.9706.01.201419:30:0042.82
16.11.201312:30:0084.9706.01.201420:00:0043.15
16.11.201313:00:0084.9706.01.201420:30:0048.13
16.11.201313:30:0084.9706.01.201421:00:0043.48
16.11.201314:00:0083.6406.01.201421:30:0043.81
16.11.201314:30:0084.3106.01.201422:00:0040.83
16.11.201315:00:0083.9806.01.201422:30:0042.15
16.11.201315:30:0083.6406.01.201423:00:0049.12
16.11.201316:00:0083.6406.01.201423:30:0043.81
16.11.201316:30:0083.6406.01.201400:00:0043.15
16.11.201317:00:0083.6406.01.201400:30:0044.81
16.11.201317:30:0083.6406.01.201401:00:0039.5
16.11.201318:00:0083.6406.01.201401:30:0043.81
16.11.201318:30:0083.3106.01.201402:00:0039.5
16.11.201319:00:0083.9806.01.201402:30:0044.15
16.11.201319:30:0083.6406.01.201403:00:0036.51
16.11.201320:00:0083.6406.01.201403:30:0038.83
16.11.201320:30:0083.9806.01.201404:00:0041.16
16.11.201321:00:0084.3106.01.201404:30:0042.15
16.11.200921:30:0083.9806.01.201405:00:0038.83
Average84.22Average42.64

Average power consumption: old = 84.22, new = 42.64, and profit = 49.37%.