Tender # 451.


Tender Title: Owenmore Hydro Location: Crosmolina, Mayo
Date Published: 26-Feb-2013 13:29 Deadline for Tenders: 22-03-2013 Approx Start Date Required: 21-06-2013
Commercial: Repair & Maint. / Installation / Extension Category: Energy Consultants & Advisors
Files Attached: No files attached.
Full Tender Text:
Micro Hydro Electric Scheme

Quotations are sought for the supply and delivery of the following:

Hydrodynamic Screw
Capacity Q = 1.30 m3/s
Net head H = 2.40 m
Absorbed power = 25 kW
Nominal power of generator = 21 kW

1: Hydrodynamic Screw with steel trough
• Inclined installed, multiple winded Hydrodynamic screw with helices
• Upper long lifetime bearing
• Lower Bearing: Grease lubricated friction bearing
• Corrosion protection:
Steel parts are sandblasted and painted with abrasion resistant epoxy resin lacquer
• Steel trough for grouting at site

2: Gearbox & Coupling components, Flender or equal
• Gearbox designed for long lifetime
• Flexible uninterrupted coupling between Hydrodynamic screw and gearbox
• Elastic belt drive between gearbox and generator or generator directly connected to gearbox
• Including foundation frame and safety guards

3: Asynchronous generator by VEM, Siemens or equal
• Power 30 kW
• Rotation speed 1000 min-1
• Voltage 400 V
• Standard balance max 60 Hz

4 3 Phase G59 Mains Connection System with electric brake control.
• Rating: 30kW at 400v
• System will includes:
• Over/under voltage trip, over/under frequency trip, reverse power trip, loss of mains trip to G59/2 requirements (ROCOF and/or Vector Shift)
• Automatic synchronisation by control of turbine flow actuator
• Head sensor interface for maximising power output with varying flows
• Power factor correction
• 24v battery back up and charger
• Alphanumeric display of generated power, phase voltages and currents, forebay head, battery voltage
• Electric brake control via fused outlets for 2 x three phase heater loads with a maximum rating of 10kW each
• The system is to be used with a 400/415 Volt Three Phase delta connected induction generator
• Precision head sensor

5: Delivery
• Delivery to Co. Mayo, Ireland
• Incl. cranage
• Erection of mechanical parts without civil works
• Training of staff and take over
• O & M manual
• Delivery and Installation calculated for normal delivery and installation situation
Further Details: