Technical University of Moldova EMM Departament. plus. Author: Rachier Vasile. Scientific coordinator: prof. dr. ing. Sobor Ion

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1 EMM Departament Author: Scientific coordinator: Rachier Vasile prof. dr. ing. Sobor Ion Chişinău 2012

The aim of the project: Integration of wind turbines in the water supply system of

Determination of site wind potential and calculation of the water amount pumped from

different water pumping systems using renewable energies, describing advantages and

Determination of wind energy potential of the current location of the turbine using

2 The aim of the project: Integration of wind turbines in the water supply system of the village Brînza, Cahul without affects its operation. Determination of site wind potential and calculation of the water amount pumped from the energy produced by the turbine Steps taken to achieve the aim: Presentation of different water pumping systems using renewable energies, describing advantages and disadvantages; Presentation of block diagram and description of all system elements; Determination of wind energy potential of the current location of the turbine using the WASP programe; Calculation of the water amount that can be provided by the turbine using the results from WASP program.

3 Wind pumping system with surface pump RA L2 TE GMP CUG M P.Sup. L1 CTE KM A G TE - wind turbine, GMP - permanent magnet generator, CTE - wind turbine controller, CUG - generator voltage controller, KM- contacts, A- anemometer, G - vane, RA - water tank, L1,L2- level transducers,m-motor,psup- surface pump.

4 Wind pumping system from a fountain with submersible pump TE GMP CTE GB KM2 I PI2 Wh Retea Publica Wh PI1 KM3 KM3 A G CUG QF TE - wind turbine, GMP - permanent magnet generator, CTE - wind turbine controller, CUG - generator voltage controller, GB - Battery batteries, PI1, PI2 - active energy meters, KM, KM1, KM2, KM3 - contacts, A - anemometer, G - vane, QF - automatic switch, I - inverter, RA - water tank, L1, L2 - level transducers, Psub - submersible pump. RA L2 L1 P.Sub. KM1

5 Electric pumping system using solar energy Solar pump for irrigation is competitive on a small segment of irrigation - irrigated area shall not exceed 0,5 to 1,5 ha if we use traditional technologies or 2-3 ha if we use drip irrigation

6 Combined electric pumping system: wind turbine - photovoltaic panel Wind turbine Solar panel Invertor Water tank Batteries Electrical pump

7 Wind pumping system: 1 - water tank, 2 - fountain, 3 - wind turbine, 4 - control system of the wind turbine and battery. Technical University of Moldova The Location of wind pumping system from village Brînza Cahul 3 L=62m 4 L=273m 1 2

8 Old pumping sistem from village Brînza, Cahul Characteristics: Water tank - with a volume of 25 m 3, height 15 m and adjustable volume 16 m 3 ; Water source - a 112 m fountain; Submersible centrifugal pump, - flow 6,3 m 3 /hours, height 140 m; Induction motor: nominal power 5,5 kw, nominal voltage 380 V, nominal current 12,7 A, yield 79 %.

9 The new pumping sistem of village Brînza, Cahul Wind direction Anemometer G f = var M P Turbine Controler KM3 Frequency converter f = const Level transducers Battery KV1 KM3 Invertor Battery voltage controller KV1 Pump control panel pa Water Tank Count 1 KM2 D226B 100k D226B KV KM2 KM1 SQ KM1 KM2 KM1 AЛ307Д KV Count 2 3x380, 50Hz

10 Wind turbine Technical parameters of wind turbine Parameters Diameter rotor blade 8 m Rotor swept area 58 m 2 Number of blades 3 Profile blades Asymmetric aerodynamic Rated power at 11m/s wind speed 10 kw Orientation to the wind with actuator Positioning blades fixed Voltage 240 V DC Starting wind speed 3 m/s Computing wind speed 11 m/s Generator Three-phase permanent magnet Drive generator Direct Rotation speed, RPM 150 Blades material Resin based composite reinforced with fiberglass Turbine mass 392 kg Modular telescopic tower 12 m Modular tower mass 650 kg Batteries 12V, 190Ah x 20 Power characteristic of 10 kw wind turbine

11 Wind turbine controller Controler Interface Controller box The set of resistors used to protect turbine

12 Wind turbine permanent magnet generator PMG stator as a whole PMG rotor as a whole Permanent magnet electric generator: technical project 3D and manufactured industrial prototype

Voltage inverter type WI100-220-380-50 Model WI100-220 Rated Output Capacity 10kVA Rated Battery Voltage 216VDC Over Voltage Shutoff 306VDC Over Voltage Recovery 297VDC Under Voltage Shutoff 189VDC

0A Output Wave Form Pure Sine Wave Display Mode LCD Display parameters Battery Voltage, Output Voltage, State parameters Cooling Mode Fan Rated Output Voltage 380 VAC Wave Distortion 4 Output

13 Voltage inverter type WI Model WI Rated Output Capacity 10kVA Rated Battery Voltage 216VDC Over Voltage Shutoff 306VDC Over Voltage Recovery 297VDC Under Voltage Shutoff 189VDC Under Voltage Recover 216VDC No Load Loss 1.0A Output Wave Form Pure Sine Wave Display Mode LCD Display parameters Battery Voltage, Output Voltage, State parameters Cooling Mode Fan Rated Output Voltage 380 VAC Wave Distortion 4 Output Frequency 50 Hz 0.05Hz Dynamic Response 5% Overload Capacity 120% 1min,150% 10s Inverter Efficiency Maximum 90% Noise 1m 40dB Insulating Strenght 1500VAC,1min Protection Function Battery over voltage protection, Battery under voltage protection, Working Ambient Battery reverse-connection Temperature protection, Output over load protection, Ambient Humidity

The frequency converter Inverter and mounting dimensions Tip

(108) b diuimi (mm) 9,83 (250) b1 diuimi (mm) 9,30 (236) b1

(15) s2 diuimi (mm) 2,0 (50) m funţi (kg) 6,0 (2,0) The

14 The frequency converter Inverter and mounting dimensions Tip ESV75 2N04T XB a diuimi (mm) 5,12 (130) a1 diuimi (mm) 4,25 (108) b diuimi (mm) 9,83 (250) b1 diuimi (mm) 9,30 (236) b1 diuimi (mm) 0,25 (6) c diuimi (mm) 6,30 (160) s1 diuimi (mm) 0,6 (15) s2 diuimi (mm) 2,0 (50) m funţi (kg) 6,0 (2,0) The technical characteristics of the converter Tip Power (c.p. / Power Output current Lost kw) Voltage I in I n CLim max power 400V 480V 400V 480V 400V 480V ESV752 N04TXB 10/7, ,1 15,8 16,1 14,

15 WAsP methodology For calculate all results WAsP are using the following Tools: 1. WAsP Map Editor 9; 2. OWC Wizard or WASP Analyst Climate; 3. WASP Turbine Editor

16 WAsP Map Editor The location of map made by Map Editor in WAsP hierarchy Representation of orography in the Map Editor Representation of roughness WAsP Map Editor program interface

17 OWC Wizard The steps in creating an OWC

562,416 1141,17 1141,31 1514,22 1104,62 1039,48 814,663 1057,06 924,000 606,495 1141,81 1270,91 14089 14,089 17,931 21,059 23,806 26,058 28,755 31,134 33,187 34,921 36,372 558,254 980,69 1022,745

September October November December Annual Technical University of Moldova The results of the WASP The introduction of roughness on the map with WASP Map Editor Wind turbine characteristic in WASP

18 562, , , , , ,48 814, ,06 924, , , , ,089 17,931 21,059 23,806 26,058 28,755 31,134 33,187 34,921 36, , , , , ,15 565, ,07 302, , , , , ,044 12,905 16,811 20,077 22,619 25,473 27,972 30,132 32,026 33,655 January February March April May June Julie August September October November December Annual Technical University of Moldova The results of the WASP The introduction of roughness on the map with WASP Map Editor Wind turbine characteristic in WASP Turbines Editor Month Height, m The amount of energy produced for The amount of energy produced for the actual site, kwh the actual site, MWh The amount of The amount of energy produced for the new site, kwh energy produced for the new site, MWh

19 The results of the WASP Power density map Annual electricity production map Weibull coefficient map - A Average wind speed map

20 Other results The amount of energy needed and the amount of energy prodused prediction Monthly volume of water needed for village Brînza Cahul Monthly amount of electricity required for pumping system of the village Brînza Cahul

Conclusion 1. The integration of wind turbines in the water supply system of the village Brînza, Cahul occurs without affects the operation of the old system; 2.

21 Conclusion 1. The integration of wind turbines in the water supply system of the village Brînza, Cahul occurs without affects the operation of the old system; 2. Using the WASP program we obtained the following results: Wind rose for wind turbine site; Annual amount of energy produced by wind turbine; For actual location kwh; For a new location kwh; Map of: annual production of electricity, power density, average wind speed, weibull coefficient, geographic heights. 3. Was calculate monthly and annual volume of water: For actual site ,48 m 3 ; For a new site ,03 m 3 ; The volume of water necessary m Was determined percentage of coverage of annual water consumption: For actual site - 36,42 %; For a new site - 56,75 %;

22 Thank you for attention!!!

DEVELOPMENT, MANUFACTURE AND TESTING OF HORIZONTAL AXIS WIND MICROTURBINES WITH POWER OF 10 KW

DEVELOPMENT, MANUFACTURE AND TESTING OF HORIZONTAL AXIS WIND MICROTURBINES WITH POWER OF 10 KW Ion BOSTAN, Valeriu DULGHERU, Ion SOBOR, Viorel BOSTAN, Anatol SOCHIREANU Technical University of Moldova