Angewandte Regelung und Optimierung in der ... - uni-stuttgart

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Pump & Valve scheduling Challenges in Network Operation • Generate optimized pump, valve and water source trajectories to minimize energy costs, source costs and leakage in WDN* • look 24 hours ahead to know what the water demand, the electricity tariffs and the treatment costs will be • use full range of possible water levels in reservoirs to fill reservoirs when it fits best to optimization strategy • withdraw water from water sources in an cost-optimal way, taking into account operational constraints • operate pumps taking into account actual and future electricity costs, considering pump efficiencies to choose optimal pump speed • BUT: always keep within physical and operational constraints, such as maintaining sufficient water within the system’s reservoirs or meeting the required time-varying consumer demands © ABB Group June 28, 2010 | Slide 72 *Water Distribution Network
Pump & Valve scheduling Optimization Problem J = min ∑ pumping cost + ∑source cost + pumps sources ∑ demand nodes leakage cost • Gegeben ist die reduzierte Modellbeschreibung des Wassernetzes. • Gegeben sind physikalische und betriebliche Beschränkungen der Mess- und Stellvariablen (Durchflüsse, Drücke, Pumpleistungen, Reservoirgrößen etc.) • Gegeben ist eine Vorhersage des Verbrauches und der Stromkosten der nächsten 24 Stunden Finde eine optimale Steuerstrategie, die J minimiert, die Beschränkungen einhält und dem Modell entspricht. © ABB Group June 28, 2010 | Slide 73
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Alexander Horch Angewandte Regelung
Page 3 and 4:
Wasserversorgung - Globale Sicht Kl
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Wasserverwendung weltweit Schlüsse
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Randnotiz Beispiel - Verluste in eu
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Wichtige Marktreiber Worauf sich Wa
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Wasser Aktueller Megatrend mit Folg
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Nachhaltige und effiziente Wasserve
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Integriertes Wassermanagement Ausga
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Randnotiz Zeitlicher Verlauf „Feh
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Integriertes Wassermanagement Konze
Page 21 and 22: © ABB | 21 Betrieb und Instandhalt
Page 23 and 24: Advanced Solutions in Water Network
Page 33 and 34: Decision Support System for Burst L
Page 35 and 36: Burst Localisation Risk-based appro
Page 37 and 38: Burst Localisation Pipe burst predi
Page 39 and 40: Burst Localisation Information Proc
Page 41 and 42: •41
Page 43 and 44: •43
Page 45 and 46: Burst Localisation Case Study 2 •
Page 47 and 48: Hydraulic model •47
Page 49 and 50: •49
Page 51 and 52: Network Simplification Why use simp
Page 53 and 54: Preprocessing Substitute valves tha
Page 55 and 56: Preprocessing Remove dead-end pipes
Page 57 and 58: Preprocessing Combine pipes in seri
Page 59 and 60: Gauss-Jordan Simplification Determi
Page 61 and 62: Gauss-Jordan Simplification Setup o
Page 63 and 64: Gauss-Jordan Simplification Setup o
Page 65 and 66: Example of Water Distribution Netwo
Page 67 and 68: Simplified network Comparison • A
Page 69 and 70: Example: network with 12527 nodes
Page 71: Water Network Optimization Pumpen-
Page 75 and 76: Pump & Valve scheduling Current ope
Page 77 and 78: Anwendung Wassernetz Basel Problemb
Page 79 and 80: Anwendung Wassernetz Basel Implemen
Page 81 and 82: Referenzen • http://www.zvei.org/
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