Turbines & Equipment

Turbines & Equipment

We deliver turbines and other equipment specifically attuned to the exact needs of the site and client.

HYDROPOL always strives to match individual requirements across all fields of construction, materials, efficiency, durability, environmental restrictions and positioning etc. The equipment is outsourced and purpose built then packaged along with our relevant technical, quality and commercial guarantees.

We offer the following:

TURBINES

Archimedes screws
Cost-effective and environmentally beneficial turbines suitable for low head and high flow river courses, 50 kW - 250 kW, discharge up to 10 m3/s, net head 1 - 7 m, various constructions (steel through for casting, compact, totally enclosed etc.), with gearbox, regulated by inlet gate or frequency converter.

Kaplan turbines
200 kW - 10 MW, discharge 2 - 60 m3/s, net head 2 - 40 m, various types (spiral, semi-spiral, flume intake, S type, block type with integrated gearbox, bulb, pit, vertical, horizontal).

Francis turbines
500 kW - 20 MW, discharge 0.5 - 30 m3/s, net head 10 - 250 m, various types (spiral, semi-spiral, bellow shaft intake, above shaft intake vertical, horizontal, runner overhung on generator shaft).

Pelton turbines
300 kW - 20 MW, discharge 0.2 - 15 m3/s, net head 100 - 600 m, various types (single jet or multi jet, vertical, horizontal, runner overhung on generator shaft), runners forged or cast, runners with bolted buckets.

Hydraulic units of turbine governors for all turbine types
Control oil pressures 15 - 25 MPa, volume of bladder accumulator set 20 - 400 dm3, hydraulic units usually control brakes, main inlet valves, bypasses etc.

Cooling and lubricating systems of turbine
Generator units with air or water cooling, coarse and fine filters of cooling water, cooling water pumps, fittings, heat exchangers water/oil and water/air, oil tanks and fittings, oil gear pumps and oil filters, fans, oil and water piping including instrumentation.

Flat belt transmissions
Full range application up to 800 kW.

Mechanical gearboxes
Various types (spur gearing single-stage or multistage, angle gearing, planetary-gear-type).

HYDROMECHANICAL EQUIPMENT

Weir gates
Smaller sizes spring controlled, larger weir gates of various sizes hydraulically controlled including servomotors and hydraulic actuating units with control oil piping

Rubber dams/weirs
Inflatable flexible membrane dams including anchoring, water pumps or air compressor systems incl. fittings, piping and instrumentation

Bottom outlets

Johnson and hollow jet valves, electrically or hydraulically actuated including servomotors and hydraulic actuating units with control oil piping.

Floating barrages
Welded steel floating constructions.

Coarse trashracks, ice guards
Larger dimensions bar screens

Fine trashracks
Vertical or horizontal bar screens mostly from rectangular or winged profile bars, connected into single fields of dimensions up to 8 x 10 m, unlimited overall length, various apertures meeting nowadays strict ecological requirements, self cleaning coanda screens.

Trash rack cleaning machines of various types
Chain, telescopic, two-arms, rope wire, all types stationary or movable.
Wiped or flushed trash conveyors, trash containers, including hydraulic actuating aggregates.

Intake accessories
Storage of gates, hand rails, ladders, covers, etc. 
Stop-logs handled by stationary or mobile, made from welded steel structures, sand-blasted, metallization, paintings, dimensions from 1 x 1 m to 8 x 10 m, pressures up to 50 m w.c.

Sluice gates with mechanical or hydraulic drives
Hydraulically actuated sluice gates including servomotors and hydraulic actuating units with control oil piping, dimensions from 1 x 1 m to 8 x 10 m, pressures up to 50 m w.c.

Butterfly valves
DN 500 - DN 4 000, PN 2.5 - PN 25, closing at full flow, with mechanical, electrical or hydraulic drives, hydraulically actuated butterfly valves including servomotors and hydraulic actuating units with control oil piping.

Ball and spherical valves
DN 250 - DN 2 500, PN 6 - PN 63, with soft and metal-to-metal seal system or with hydraulically operated sealing rings, closing at full flow, with mechanical, electrical or hydraulic drives, hydraulically actuated valves including servomotors and hydraulic actuating units with control oil piping.

Pipelines/Penstocks
DN 250 - DN 4 000, PN 2.5 - PN 63, from various materials i.e. steel, ductile iron, GRP, HDPE, straight pipes, elbows, bends, transition pieces, bifurcations, branches, flanges, expansion and dismantling joints, etc.

Cranes
Overhead travelling bridge cranes 5 - 80 t, gantry cranes 5 - 20 t, pulley blocks 1 - 10 t.

ELECTRICAL EQUIPMENT

Asynchronous generators
50 - 600 kW, voltage 0.4 kV, speed 600 - 1 500 rpm.

Synchronous generators
300 kVA - 20 MVA, standard voltage levels 400 V, 690 V, 6 or 6.3 kV, higher on request, speed 150 - 1 000 rpm, various arrangements.
Larger generators including mechanical brakes.
Smaller generators air-cooled, larger generators water-cooled.

Control systems of hydro power plants
HW and SW including peripherals, interfaces, binary and analogue inputs and outputs, all integrated into panels.

Static or rotary excitation and AVR of generators
For larger generators with possibility of electric braking.
HW and SW including peripherals, interfaces, binary and analogue inputs and outputs, all integrated into panels.

Electrical part of turbine governors
HW and SW including peripherals, interfaces, binary and analogue inputs and outputs, all integrated into panels.

Switchboards
Switchboards 6.3 kV, 22 kV a 35 kV, vault-type or cubicle-type (circuit breaks, isolator switches, disconnectors, metering current and voltage transformers, fuses, surge voltage protectors, lightning arresters, bus bars, bushings, support insulator, safety and protection tools for manipulations)
Switchboards 400 V AC.
Switchboards 24, 110 a 220 V DC including accumulator rooms.

Power step-up and auxiliary transformers
63 kVA - 20 MVA
Various transmission ratios 0.4/6.3 kV, 0.4/22 kV, 0.4/35 kV, 6.3/22 kV, 6.3/35 kV, 10.5/22 kV, 10.5/35 kV.
Cast resin or oil immersed transformers.

Electrical protection
Generator protection relays, HW and SW, calculations.
Electrical protections of MV and HV substations, HW and SW, calculations.

Miscellaneous installations
Uninterrupted power sources (UPS).
Control, communication and power cables, fibre cables.
Monitoring, fire protection and security systems.