br hydro turbinedsgtsewrhyer ttysdyuyjtrjtgjrt
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EFFICIENT BY DESIGN
HYDRO TURBINECORNELL PUMP COMPANY
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The simplest of assemblies no couplings to align economy of space close coupled, inductiongenerator/turbine assembly many turbine andgenerator options available as required.
An assembly to allow the turbine to reduce apumping load common motor, turbine one end,pump other end. Both close coupled with all thefeatures to suit a special installation. Speciallysuited to HVAC installations.
Frame turbine, coupled to an induction generator forapplications connected to an existing power grid. Baseassembled with optional speed control and safety shutdown equipment.
Industrial plants, municipalities, HVAC installations, andfarms are tapping potential hydraulic energy sources to
produce electric power as a revenue source, or as a meansto reduce overall energy demands. The key to the system isthe use of excess head to drive a turbine. The turbine may beused to drive a pump, a generator, or other power-requiringdevice. This technology makes it feasible for cities, farmers,resort managers, industrial plants and building managers toconsider hydro turbines in their plant power needs. Studiesshow that a turbine, driven by water from a natural stream orprocess stream, can generate enough electric power to payfor itself in a short time.
You dont need a raging river to take advantage of the energysavings a Cornell hydro turbine can provide. Heads as low as
50 feet, and ows as low as 90 gallons per minute can produceuseable energy.
Cornells high turbine eciency is often found to becomparable with specially built imported turbines. They areless complex, easier to install and require less maintenance.Cornell turbines are available in a wide range of congurationsand mounting styles.
Cornells approach to turbine applications has generatedmany new and innovative design features, resulting inunexpectedly high performance.
HYDRO TURBINE
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Cornell Pump Company
Sunrise Corridor Business Center16261 S.E. 130th Avenue
Clackamas, Oregon 97015
(503)653-0330
(503)653-0338
HYDRAULIC TURBINE DATA WORKSHEET(for Preliminary Evaluation)
Project Name _________________________
Name _________________________________________
Address __________________________________________
Phone __________________________________________
Email __________________________________________
SITE INFORMATION
STREAM or RESERVOIR (uses entire system head)Gross head (static) ___________________
Net head (includes friction loss) ______________________
Available Flow __________________
Penstock Diameter ______________
Penstock Length____________
PRESSURIZED SYSTEM (pressure reduction)
Inlet Pressure ________________
Outlet Pressure Required________________
Design Flow ___________________
ELECTRICAL CHARACTERISTICS
Induction (grid interface) or Synchronous (stand alone)
____________________________
Voltage _________________
Cycles (Hertz) ____________
Phase ___________
ODP or TEFC ________________
HYDRO TURBINE
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Generator Types
InductionGenerator must be connected to an existing power grid. Speed is controlled by virtue of being connected to
the grid, the same way motor speed is maintained. Requires an automatic disconnect from the grid when grid
power fails.
SynchronousGenerator is stand alone. Can be used where there is no electrical grid nearby. Requires a load controller to
maintain standard speed, voltage and phase.
Pressure Surge (Water Hammer) Protection
During grid power loss, a reaction turbine speeds up and the ow through it drops. The magnitude of the ow
change depends on the turbines design and the operating conditions. The ow change may occur very rapidly
(in a few seconds) and can cause a pressure surge (water hammer) that is strong enough to damage or destroy
the turbine and piping. The pressure surge can be reduced by:
Adding mass in the form of a ywheel
Installing a quick opening bypass valve in parallel with the turbine
Controls
Hydraulic turbines need to be equipped with a control valve at the inlet of the turbine. This valve serves as
an isolation device and can be used to control the head and ow through the turbine. The controls should
include speed measuring devices. The control system should be designed so that during normal operationelectrical contact is made or broken at or near the generator nominal (no load) speed. When power fails, the
control system must break the electrical contact and close the inlet valve. It is advisable to contact your utility to
determine if there are any special requirements.
HYDRO TURBINE
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Standard Turbine Construction:
Cast Iron, Bronze ttings - optional, Ductile Iron, Steel,Bronze, Stainless Steel.
Mechanical shaft seal is standard, packing is optional. Standard ODP generator-optional TEFC. Hydro blue, double applied paint.
This high performance can be documented by certied model tests oractual performance tests on ordered units, conducted in Cornells modernhydraulic labs under controlled conditions, by professional engineers. LetCornell sta engineers and sales personnel provide specialty applicationand selections assistance. Whether your needs are demanding requiringturbines in series or parallel, or utilize a single unit Cornell will assist in
your selection of a hydro turbine energy recovery system that is ecientover a wide range of operation.
For added space saving orsimplicity of manifolding, closecoupled, vertical mount withcustom draft tub (available lessdraft tub for discharge manifoldmounting).
Vertical mount, close coupledturbine with optional integralywheel* and base elbow. (Alsoavailable without ywheel)*Flywheels are used to preventexcessive surge pressures and to givemore stable speed control
Synchronous generator for stand-aloneapplications with hydraulic-electric loadcontroller, belt (or direct) drive to turbine,all base assembled.
Horizontal frame mounted turbine, direct drive to anenergy requiring device. (Turbine driving a pump isshown. A generator may be substituted for the pump.)
HYDRO TURBINE
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201098765432
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10090
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1.9.8.7.6.5.4.3.2.1
CUBIC FEET PER SECOND
APPROXIMATE PERFORMANCE RANGE
HEADI
NF
EET
PELTON TURBINES
REACTION TURBINES
Reaction Turbine High eciency compared to Pelton Turbines. Works when positive outlet pressure isrequired, good for force mains.
Fixed geometry best for xed ow rates,does not handle variable ow well.
May require ywheel or quick opening by-pass valve to prevent excessive pressurespikes in the event of grid loss.
Costs less than Pelton Turbines.
Pelton Turbine Must exhaust to atmosphere not appropriatefor force mains, NPDH is not an issue.
Adjustable nozzles allow for variable ow,eciency remains fairly constant.
No ywheel or quick opening by-pass valve isrequired in the event of grid loss because theow is diverted away from the runner.
Costs more than Reaction Turbine.
HYDRO TURBINE
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1000
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30.15 .2 .3 .4 .5 .6 .7 .8 .9 1 2 3 4 5 6 7 8 9 10 20 25
HEADINFEET
CUBIC FEET PER SECOND
1 kW 2.5 kW 5 kW 10 kW
20 kW 50 kW
100 kW
200 kW
350 kW
4TR2
4TR
4
4TR5
4TR
3
5TR5A
5TR
1
5TR
5
5
TR1A
5TR
2
5TR
45TR
3
8TR
3
6TR
3
6TR
2
10TR
2
10TR
1
6TR1
6TR
4
2-1/2T
R2
2-1/2TR
1
2-1/2TR
5
2-1/2TR
3
2TR1
2TR
5 3TR5
3TR
3
3TR2
3TR
1
1-1/
4TR
1
1-1/
4TR
5
1-1/2TR
1
1-1/2TR
5
TURBINE SELECTION CHART1800 RPM
kW SHOWN ASSUMES
APPROXIMATEEFFICIENCY
Cornell Pump Company Portland, Oregon 1800 RPMCORNELL
500
400
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90
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15.15 .2 .3 .4 .5 .6 .7 .8 .9 1 2 3 4 5 6 7 8 9 10 20 25
HEADINFEET
CUBIC FEET PER SECOND
1 kW
2.5 kW
5 kW
10 kW
20 kW
50 kW
100 kW4TR
2
4TR
4
4TR
5
4TR
3
5TR
5A
5TR
1
5TR
5
5TR
1A
5TR
2
5TR
4
5TR
3
8TR
3
6TR
4
6TR
26TR
3
10TR
2
10TR
1
6TR
1
2-1/2TR2
2-1/2TR
1
2-1/2TR
3
2TR1
3TR
2
3TR
3
3TR1
1-1/
4TR
11-1/2TR
1
TURBINE SELECTION CHART1200 RPM
kW SHOWN ASSUMES
APPROXIMATEEFFICIENCY
Cornell Pump Company Portland, Oregon 1200 RPMCORNELL
HYDRO TURBINE
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Cornell Pump Company16261 SE 130th Ave
Clackamas, OR 97015P: (503) 653-0330F: (503) 653-0338
Cycloseal, and Redi-Primeare Registered Trademarks of Cornell Pump Company.
Cornell pumps and products are the subject of one or more of the following U.S. and Foreign patents: 3,207,485;3,282,226; 3,295,456; 3,301,191; 3,630,637; 3,663,117; 3,743,437; 4,335,886; 4,523,900; 5,489,187; 5,591,001;
6,074,554; 6,036,434; 6,079,958; 6,309,169; 2,320,742; 96/8140; 319,837; 918,534; 1,224,969; 2,232,735; 701,979 and
are the subject of pending U.S. and Foreign Patent Applications.
STX SERIESCORNELLPUMP COMPANY
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ENHANCED SELF-PRIMINGPUMPS
INDUSTRYLEADING
EFFICIENCYWITH
CYCLOSEALSYSTEM
FIVEYEAR
WARRANTY
SUBMERSIBLESCORNELL PUMP COMPANY
EFFICIENTBYDESIGN
EFFICIENT, RELIABLE, TROUBLE-FREE.
EFFICIENTBYDESIGN
HYDRO TURBINECORNELL PUMP COMPANY
AGRICULTURECORNELL PUMP COMPANY
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INDUSTRIALCORNELL PUMP COMPANY
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Immersiblemotorsaredesigned tobeused in Dry-Pitapplicationswherethereisapossibility of ooding.Why takeasubmersiblemotorthatwasdesigned torunsubmerged 100%of thetimeand modify ittorun in air99%(ormost of thetime) and
submerged 1%of thetime(in caseof aood)?Thisseemsbackwards.Thecorrectapproach istotakeaTEFC motorthatisdesigned torun in air100%of thetimeandadaptittorun submerged 1%of thetime(in caseof aood).
ImmersibleMotorBasicdesign:Thebasicdesign of theimmersiblepump/motorincorporatesapremiumecient,
inverterduty,P-BaseorC-FaceTEBC motor(totally enclosed,blowercooled).Themotor,asthenameimplies,istotally enclosed and cooled by abloweron top ofthemotor.If themotorbecomessubmerged,theblowermotorfan shutsdownwithoutaecting themain motor.Whilethemotoristemporarily submerged,themediacoolsthemotorjust likeatruesubmersible.A special conduitbox
isused topreventwaterleakageintothemotor.Themotorisdesigned topreventinltration of wateralong theshaftand intothemotorby utilizing atripleredundantsealing system,including apatented Hydroseal design.Themotor-end bell housing incorporatestheinverted cup principle,which trapsan airbubbleunderthemotoraswaterrises,thus keeping wateraway fromtheshaftseal.Theshaftis tted with ahydroseal,which expellswaterand
furtherreducesthechanceof waterreaching theshaftseals.
TheImmersiblemotorcan withstand up to30
feetof submergencedepthforatwo-week period.This
exceedstherequirementsof Immersiblemotorsthat
isdescribed in theindustrystandard Index of Protection
IP67.Competivedesignsonly allowimmersion of themotorforaperiod
of timenotexceeding 30 minutesatasubmergencelevel of 3 feet.Hardly
enough timetodeal with any kind of oodingemergency!
THEIMMERSIBL EMOTORCONCEPT:
CORNELLPUMPCOMPANY//16261 SE130th AVECLACKAMAS,OR2013 ALLRIGHTS RESERVED
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ModelsAvailable- 4NNT,6NNT,8NNT,etc. DischargeSizesAvailable- 4 to8 inch Standard Construction - CastIron,Class30 Optional Construction - 316SS,CD4MCU,DuctileIron Permcohydraulicdrive
Variousadaptorplatesavailableforhydraulicmotorfit Heavy duty shaft/bearing frameassembly Heavy duty wetendconstruction Manufactured in theUnited States
PremiumHydraulicE ciencies,76 to80%BEP 3 inch orlargersolid handling capability Total DynamicHead:50 to360 feet Capacity:200 to7000 GPM
General Agriculture,Industrial and Municipal Applications Rental Applications Mining Applications Flood Control Applications Construction /Dewatering Applications
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FEATURES BENEFITS
PERFORMANCECHARACTERISTICS
TYPICAL MARKETS
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CUTTERCHOPPER EDGETM HYDRAULIC SUBS MANURE MP SERIES
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