Energy consumption modelling - ADU-RES

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5.2 Modelled performance General results from the model Annual energy from wind turbine 1791 kWh/y Annual energy available from PV 6305 kWh/y Annual hours run 1430 h/y Average hours run per day 3.92 h/d Annual water production 217 m 3 /y Average daily water production 0.60 m 3 /d Overall annual average specific energy (1791+6305) / 217 = 37 kWh/m 3 ADU–RES WP6 Deliverable 6.1 Page 38 of 69
Sankey diagram Wind Turbine PV 8.24 24.11 4.9 RE No MPPT 16.57 15.78 Battery 8.01 Rig Input 8.56 21.54 Inverter 2 Inverter 3 Motor A Axial-Piston Pump 2.25 2.88 18.65 0.45 18.21 3.93 14.28 Inverter 1 Motor C Centrifugal Pump MSankeyW 2.12 0.13 0.96 1.16 0.37 0.79 3.26 11.39 Membranes Figure 10 – Sankey Diagram – CRES Seawater PV-Wind-RO, Lavrio, Greece. Line widths and numeric values represent annual average specific energies in kWh/m 3 . Discussion The Sankey diagram of Figure 10 represents the modelled energy flows through the hardware components shown earlier in Figure 9. 1.02 0.82 9.55 9.55 Desalination Needle Valve The energy generally moves from left to right along the blue paths. The losses from the individual components are indicated in red. ADU–RES WP6 Deliverable 6.1 Page 39 of 69
Page 1 and 2: INCO-CT-2004-509093 ADU-RES Co-ordi
Page 3 and 4: Contents 1 Introduction............
Page 5 and 6: 2 Energy in RO systems This section
Page 7 and 8: 2.5 Membrane losses Energy losses i
Page 9 and 10: Electricity Seawater Motor Pump Pel
Page 11 and 12: 3 Modelling methodology The softwar
Page 13 and 14: 3.5 Charge controllers Charge contr
Page 15 and 16: 3.15 Filter and pipe losses Pressur
Page 17 and 18: 4.1 Assumed details The details giv
Page 19 and 20: Motor (for plunger pump) Type 4-pol
Page 21 and 22: 4.2 The completed model Irradiance
Page 23 and 24: The contents of the individual comp
Page 25 and 26: Discussion The Sankey diagram of Fi
Page 27 and 28: overall energy consumption. Notice
Page 29 and 30: Sankey diagram 9.19 PV 2.41 0.87 5.
Page 31 and 32: 5 CRES Seawater PV-Wind-RO, Lavrio,
Page 33 and 34: Wind speed Annual average 6.7 m/s S
Page 35 and 36: Assume efficiency curve from: Manuf
Page 37: Assume mechanical efficiency simila
Page 41 and 42: that the losses from inverter 3 are
Page 43 and 44: 6.1 System details The CREST seawat
Page 45 and 46: Plunger pump Manufacturer CAT www.c
Page 47 and 48: • Series connection of the PV arr
Page 49 and 50: Discussion The Sankey diagram of Fi
Page 51 and 52: 7.1 System details The CREST seawat
Page 53 and 54: Sankey diagram Wind Turbine 4.13 3.
Page 55 and 56: 8.1 Assumed details The details giv
Page 57 and 58: RO membranes Type Spiral-wound, for
Page 59 and 60: Sankey diagram PV Linear current bo
Page 61 and 62: 9 INETI Brackish PV-RO, Portugal Ph
Page 63 and 64: Photovoltaic array Nominal array po
Page 65 and 66: 9.2 Modelled performance General re
Page 67 and 68: motor’s I-V characteristic. This,
Page 69: • Use high-efficiency induction m

Energy consumption modelling - ADU-RES

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