TurbineTurbine SelectionSelection

MTM 168 – Water Turbine

LocationLocation

LocationLocation

TurbineTurbine CharacteristicsCharacteristics

Heat = 28 mQ = 6 m3/s

TW altitude = 305 m

KAPLAN

Adjustable blades

P ≈ 1,4 MW

K28H 28

n'opt 129n'ld 143Q'ld 2040-1550σ 1,06-0,68z1 5-6b0 0,4dcs 0,402

D=1,37 m

n=500 rpm

Hs ≤ 2,9 m

Generator

12 poles

Dpenstock = 1,24 m

KrivchenkoKrivchenko vsvs RadhaRadha ????

Krivchenko RadhaWicket gateheight (m) 0,55 0,52

Guide vanesaxis diam. (m) 1,65 1,63Runner hubdiameter (m) 0,56 0,62Runner outlet

diam. (m) 1,34 1,33Runner cone

height (m) 0,56 0,79

h1 0,29 0,13Number of

blades 5 5

Flow passage dimensionsFlow passage dimensions

Flow passage dimensions (m)

d 0,62

d3 0,589

h1 0,13

k 0,031

d5 0,062

δ 0,00062

R2 0,85

R1 0,39

h4 0,65

SemiSemi--Spherical chamber dimensionsSpherical chamber dimensions

Semi-spherical chamber dimensions

(m)

h0 0,29

h1 0,21

h2 0,08

h3 0,11

h4 0,12

R1 0,07

R2 0,14

R3 0,69

R4 0,53

D2 1,34

Concrete spiral case dimensionsConcrete spiral case dimensions

Concrete Spiral case dimensions (m)

B2 1,70

C2 2,46

D2 2,11

E2 2,01

F2 2,19

G2 1,89

H2 1,77

I2 0,54

L2 2,28

M2 1,81

Draft Tube dimensionsDraft Tube dimensions

Elbow draft tube dimensions (m)

H 0,34

N 2,73

O 1,91

P 1,23

Q 0,85

R 1,66

S 6,42

T 1,64

Z 3,83

Comparison with current turbinesComparison with current turbinesTurbine 3:Type: ............. FrancisPower: ........... 190kWShaft type:...... HorizontalSpeed:............ 500rpmSpiral Case:..... SteelDraft tube:...... Conical

Turbine 1 and 2:Type: ............. FrancisPower: ........... 720kWShaft type:...... VerticalSpeed:............ 500rpmSpiral Case:..... SteelDraft tube:...... Conical

-Progressive increasing of the flow rate

-Improvement of the grid

-Probably nowadays only one turbine would be installed

Turbine obtained:Type: ............. KaplanPower: ........... 1,4kWShaft type:...... VerticalSpeed:............ 500rpmSpiral Case:..... ConcreteDraft tube:...... Elbow

Problem in the current turbine!!Problem in the current turbine!!

Producing only 1,25 MW

Other drawings of interestOther drawings of interest

Other drawings of interestOther drawings of interest

Other drawings of interestOther drawings of interest

Other drawings of interestOther drawings of interest

ProductionProduction

MEAN PRODUCTION PER YEAR = 5GWh

yearkWhyear

GWh /€000.450€09,015

=Spanish market

Producer ≤ 10MW

yearyearhoursGWE

GWhh 46,0/000.43,15

3 === −

Hours of operation:

yearst 10€000.450€000.500.4==

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