Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction
Abstract
:1. Introduction
2. Materials and Methods
2.1. Integrated Energy System Structure
2.2. Heat-Supply Network Structure
2.3. Heat-Supply Network Model
2.3.1. Basic Theory of Heat-Supply Network
2.3.2. Operation Cost of Heat-Supply Network Investment
2.4. CCHP Mathematical Model
2.4.1. Objective Function
2.4.2. Constraints
3. Results
3.1. Equipment Capacity Planning
3.2. Operation Optimization
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Appendix A
Type | Unit Investment Cost (RMB /kW) | Single Rated Power | Conversion Efficiency |
---|---|---|---|
Pthemalovoltaic generator set | 10,000 | -- | 0.175 |
Pthemalovoltaic collector | 8210 | -- | 0.56 |
Electrical storage device | 1500 | -- | 90 |
Absorption chiller | 1240 | -- | 1.26 |
Electric refrigerator | 820 | -- | 4.13 |
1#gas turbine | 7216.3 | 1210 | 0.243 |
2# gas turbine | 5749.9 | 3515 | 0.279 |
3# gas turbine | 5429.45 | 4600 | 0.293 |
4# gas turbine | 5289.7 | 5740 | 0.32 |
1# gas boiler | 86.84 | 1300 | 0.85 |
2# gas boiler | 75.14 | 1950 | 0.86 |
3# gas boiler | 73.26 | 4560 | 0.9 |
4# gas boiler | 71.83 | 5200 | 0.9 |
Area Type | Purchase Price/RMB | ||
---|---|---|---|
Peak Period | Flat Period | Valley Period | |
8:00–11:00 18:00–20:00 | 6:00–7:00 12:00–17:00 21:00–22:00 | 23:00–5:00 | |
Residential | 0.677 | 0.377 | 0.377 |
Office, commercial | 1.159 | 0.708 | 0.351 |
Other Parameters | Resident | Commercial | Office |
---|---|---|---|
Installable area | 32,000 | 23,000 | 15,000 |
Average sunshine intensity (kw/(M2·d)) | 0.669 | 0.669 | 0.669 |
Average annual sunshine hours | 1970 | 1970 | 1970 |
Period of Time | Residential Areas | Office Area | Commercial Area | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Electrical Load | Themal Load | Cold Load | Solar Energy | Electrical Load | Themal Load | Cold Load | Solar Energy | Electrical Load | Themal Load | Cold Load | Solar Energy | |
00.00–01.00 | 1180 | 3580 | 90 | 0 | 796 | 0 | 20 | 0 | 2194 | 0 | 224 | 0 |
01.00–02.00 | 1194 | 3577 | 89 | 0 | 794 | 0 | 20 | 0 | 2187 | 0 | 221 | 0 |
02.00–03.00 | 1192 | 3589 | 101 | 0 | 795 | 0 | 20 | 0 | 2201 | 0 | 229 | 0 |
03.00–04.00 | 1205 | 3549 | 96 | 0 | 801 | 0 | 20 | 0 | 2195 | 0 | 231 | 0 |
04.00–05.00 | 1210 | 3596 | 99 | 0 | 798 | 0 | 20 | 0 | 2197 | 0 | 236 | 0 |
05.00–06.00 | 1211 | 3602 | 108 | 0 | 806 | 0 | 20 | 0 | 2203 | 0 | 233 | 0 |
06.00–07.00 | 1198 | 3607 | 191 | 960 | 802 | 0 | 20 | 450 | 2194 | 0 | 397 | 690 |
07.00–08.00 | 1600 | 3615 | 195 | 1280 | 813 | 0 | 30 | 600 | 2211 | 0 | 401 | 920 |
08.00–09.00 | 1193 | 3994 | 204 | 1600 | 1994 | 2394 | 30 | 750 | 6397 | 1794 | 410 | 1150 |
09.00–10.00 | 2398 | 4197 | 197 | 1920 | 4367 | 4197 | 30 | 900 | 7204 | 2798 | 408 | 1380 |
10.00–11.00 | 2801 | 4198 | 201 | 2240 | 4389 | 4403 | 30 | 1050 | 7581 | 3609 | 410 | 1610 |
11.00–12.00 | 2423 | 4200 | 200 | 2560 | 4394 | 4195 | 30 | 1200 | 7597 | 3960 | 407 | 1840 |
12.00–13.00 | 2418 | 4204 | 205 | 2800 | 4402 | 4011 | 30 | 1350 | 7611 | 4397 | 417 | 2070 |
13.00–14.00 | 2391 | 3994 | 198 | 2800 | 4396 | 4004 | 30 | 1350 | 7799 | 4001 | 410 | 2070 |
14.00–15.00 | 2404 | 3611 | 192 | 2240 | 4387 | 3994 | 30 | 1050 | 8001 | 4013 | 410 | 1610 |
15.00–16.00 | 2790 | 3603 | 103 | 1600 | 4405 | 4005 | 30 | 750 | 7994 | 3998 | 411 | 1150 |
16.00–17.00 | 2797 | 3598 | 105 | 960 | 4394 | 4001 | 30 | 450 | 7598 | 4005 | 407 | 690 |
17.00–18.00 | 2805 | 3594 | 97 | 0 | 4385 | 3997 | 30 | 0 | 7203 | 4193 | 405 | 0 |
18.00–19.00 | 2800 | 4003 | 100 | 0 | 2011 | 2003 | 20 | 0 | 6414 | 4197 | 230 | 0 |
19.00–20.00 | 2790 | 4200 | 94 | 0 | 1206 | 1000 | 20 | 0 | 6399 | 4005 | 224 | 0 |
20.00–21.00 | 2414 | 4189 | 96 | 0 | 8017 | 500 | 20 | 0 | 6387 | 3607 | 223 | 0 |
21.00–22.00 | 2006 | 4176 | 99 | 0 | 806 | 0 | 20 | 0 | 5180 | 2809 | 219 | 0 |
22.00–23.00 | 1600 | 4000 | 100 | 0 | 800 | 0 | 20 | 0 | 2200 | 0 | 230 | 0 |
23.00–24.00 | 1200 | 3600 | 100 | 0 | 800 | 0 | 20 | 0 | 2200 | 0 | 230 | 0 |
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Equipment | Residential Area | Office Area | Commercial Area | One-Time Investment Cost | ||||
---|---|---|---|---|---|---|---|---|
Mode1 | Mode2 | Mode1 | Mode2 | Mode1 | Mode2 | Mode1 | Mode2 | |
Gas turbine/kw | 1210 × 2 | 0 | 1210 × 2 | 1210 × 2 | 3515 | 5740 | 5513.5 | 4782.6 |
Gas boiler/kw | 1300 | 0 | 0 | 0 | 0 | 0 | 11.3 | 0 |
Electric refrigerator/kw | 50 | 50 | 0 | 0 | 0 | 50 | 4.1 | 8.2 |
Absorption refrigerator/kw | 0 | 200 | 30 | 30 | 400 | 400 | 53.3 | 78.1 |
Photovoltaic generating set/kw | 260 | 400 | 200 | 300 | 200 | 400 | 660 | 1100 |
Electrical storage device/kw | 300 | 400 | 400 | 400 | 450 | 400 | 172.5 | 180 |
Photovoltaic collector/kw | 450 | 650 | 150 | 0 | 150 | 0 | 615 | 533.6 |
Total investment cost/10,000 RMB | 2413.7 | 1000 | 2118.2 | 2087.5 | 2437.8 | 3527.5 | 6969.7 | 6615 |
Pipeline | Residential—Office | Residential—Commercial | Office—Commercial |
---|---|---|---|
Maximum flow | 0.011 | ||
Pipe radius | 5 | 9 | 6 |
Running cost of water pump | 369 | 109 | 511 |
Cost of pipe laying (10,000 RMB) | 84.7 | 59.5 | 99.8 |
Categories | Mode 1 (RMB) | Mode 2 (RMB) | Reduction Proportion (%) | ||||
---|---|---|---|---|---|---|---|
Residential Area | Office Area | Commercial Area | Residential Area | Office Area | Commercial Area | - | |
Carbon tax | 8621 | 8483 | 19,183 | 7372 | 8464 | 19,245 | 3.32 |
Operating cost | 51,672 | 50,999 | 107,974 | 193,368 (total) | 8.2 |
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Tang, B.; Gao, G.; Xia, X.; Yang, X. Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction. Energies 2018, 11, 3052. https://doi.org/10.3390/en11113052
Tang B, Gao G, Xia X, Yang X. Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction. Energies. 2018; 11(11):3052. https://doi.org/10.3390/en11113052
Chicago/Turabian StyleTang, Bo, Gangfeng Gao, Xiangwu Xia, and Xiu Yang. 2018. "Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction" Energies 11, no. 11: 3052. https://doi.org/10.3390/en11113052