HYDROHROM company supplies completeelectro-mechanical equipment for small hydro power plants,including electrical panels and control systems (PLCs).High voltage part in standard execution includesAll grid protections in accordance with EU-IEC/CSN standards.

Control of the turbine machine is doneby microprocessor unit with following functions:

Water level regulation Automatic start and stop sequence (generator phasing by synchronous RPM and disconnecting by zero load) Fault status (reverse power, current imballance, run-away speed etc.) Control of parallel operation of two turbine units and multiple unit load sharing Data logging with approx. 2500 records Operational data logger Connection of upto 63 control units on common busbar Direct connection of remote terminal Connection of serial printer Remote monitoring and control by telephone or GSM modem, option of sending SMS to ordinary cellular phone, option of control by SMS

Visualisation of the turbine unit status by control system Promotic

Easy modification as per operator's needs (control of trash rack cleaning machine etc.)

FRANCIS

Exported by HYDROLINK spol s r o : . . .listopadu Roztoky Czech Republic17. 984, 252 63 ,

Tel Fax.: +420 233 910 968-9, : +420 233 910 970E mail info hydrolink cz- : @ .

www hydrolink cz. .

HYDROHROM, Strenec 1, CZ-257 51 Bystice, tel./fax: +420 317 793 612, e-mail: hydrohrom@telecom.cz, http://www.hydrohrom .cz HYDROHROM, Strenec 1, CZ-257 51 Bystice, tel./fax: +420 317 793 612, e-mail: hydrohrom@telecom.cz, http://www.hydrohrom .cz

Control systems of SHPP

Water

level

Generator

RPM

Grid

frequency

Runner

opening

Current

L L L1, 2, 3

Spare free ( )inlets

Terminal

Display( ,keybord)

Control

unit

Modem

Printer

Terminal

PC

etc.

Generator

breaker

Compensation

Servo

drives

Turbine

regulation

Failure

signalisation

Spare free ( )outlet

FRANCIS HYDRO TURBINES

HYDROHROM Francis HHF turbines are designed for 20 to 120 m effective heads and for 200 to 5000 l/s discharges.

The basic construction solution and hydraulic design of HYDROHROM Francis HHF turbines were developed in closcooperation with the Technical University of Brno (VUT Department of Water-Powered Machines). The desigis also based on up-to-date and proven in practice hydraulic profiles and construction solutions, which in connectionwith the latest technology, especially casting techniques, provide HYDROHROM Francis HHF turbines with topperformance parameters and high efficiency. The complete Francis turbine series of dimensional modificationsof runner diameters from 300 to 1000 mm, while using several types of blades, is available. Thanks these features,it is always possible to design a turbinegenerator set so that the turbine is directly connected to the generator usingan axial multiple-disk clutch.

The design enables either vertical or horizontal shaft arrangement.

Modern elements and materials are used, while the mechanical part of the machine is still of traditional and provenconstruction.The runner wheel is manufactured using precision casting technology and a digitally processed pattern created usingCNC technology. The runner is cast as one compact casting piece, and made of special alloy stainless steel with highmechanical, chemical, anti-corrosive and especially cavitation resistance. The runner wheel is situated in a spiral casingwhich is manufactured as a very rigid segmented weldment.

The guide vanes can be fully regulated, and also serve as an operating closure of the turbine. The guide wheel vanesare made of the same material as the runner, and are machined in a CNC centre using a digital pattern.The turbine rotor is supported by antifriction bearings with a circulating lubrication system, respectively with oil charge.The bearing areas are safely separated from the area of the water by means of packing seal; this design solutionensures that the lubricant cannot leak into the water.

The turbine control system is driven by a hydraulic unit and servo-cylinder. All components of the hydraulic systemare situated outside the water areas of the turbine, thus maximum protection against possible pollution of the waterrunning through the turbine is ensured.

The design of the HYDROHROM Francis HHF turbine series provides, apart from high efficiency and cavitationresistance, also long dependability and in particular, a high level of environmental protection.

HYDRO TURBINES

HYDROHROM, Strenec 1, CZ-257 51 Bystice, tel./fax: +420 317 793 612, e-mail: hydrohrom@telecom.cz, http://www.hydrohrom .cz HYDROHROM, Strenec 1, CZ-257 51 Bystice, tel./fax: +420 317 793 612, e-mail: hydrohrom@telecom.cz, http://www.hydrohrom .cz

SHPP Hermon Armenia x HHF , 1 65 - 400H m Q m s P kW = 55 , = 1,4 3/ , = 650

F

L

O

W

Q

m

s

(

3

/

)

HEAD H m ( )

SHPP Aprilzi Bulgaria x HHF , 2 85 - 450H m Q m s P x kW = 30 , = 2,5 3/ , = 2 310