121 Mount Vernon St., Boston, MA 02108, USA
Phone: +1617 242 2204 Fax: +1 617 242 2205
Technical Data for Hydraulic Turbine
The prototype turbine shall be designed for a maximum hydraulic capacity of approximately 800 cfs at 21 feet of net head. The
net head on the turbine shall be defined as Hn per IEC Standard #41-1965, Page 17.
The Vendor shall provide the following specific technical data for the proposed turbine.
Runner Diameter (MM) 1800
Number of Runner Blades 4
Rated turbine speed at 19.9 foot net head (RPM) 240
WR2 of turbine rotor (Lb-Ft?) 284400
Combined WR? of all rotating components (Lb-Ft ) 299120
Is the WR? of the unit sufficient for isochronous operation (yes or no) no
Maximum guaranteed runaway speed at 21 foot net head (RPM) 714
Maximum guaranteed turbine power at 21 foot net head (KW) 1127
Minimum turbine discharge at 18.8 foot net head (CFS) 191
Minimum guaranteed turbine power at 18.8 foot net head (KW) 304
Minimum turbine discharge at 21 foot net head (CFS) 224
*Turbine shaft centerline setting (METERS +) above or below minimum tailwater +0.61m
Minimum permissible wicket gate closing time under normal conditions (seconds) 60s
Minimum permissible wicket gate closing time under full load rejection seconds 605
Vendor Alternative Turbine Settings & Guaranteed Maximum Turbine Power
Maximum pressure rise in turbine water passage under full load rejection 21 foot net head (FT.H20) 6
Maximum turbine speed rise under full load rejection conditions (%) 125
Maximum turbine oil and bearing temp, rise under max. runaway speed condition for 60 mins (°C) 75
Project No. 0-29029.Rev.3 www.mavel.com Jackson Mills Upgrade
