synchronous and induction generators for mini …...since 1891 synchronous and induction generators...

… SINCE 1891

Synchronous and induction Synchronous and induction

generators for mini hydro generators for mini hydro

power stationspower stations

HYDROPOWER AFRICA 28 – 29 JULY 2009Johannesburg, South Africa

Speakers: Dean Pratt, Regional Manager, South AfricaGianluca Stanic, Technical Director, MarelliMotori, Italy

Tech Dept. 2009 2

Products and Brands

Tech Dept. 2009 3

Domestic Market References

NUOVO PIGNONE

Tech Dept. 2009 4

Export Market References

Tech Dept. 2009 5

USAHarrodsburg

SOUTH AFRICAJohannesburg

ASIA PACIFICKuala Lumpur

HEADQUARTER

Overseas Offices

CENTRAL EUROPEGermany (Elze)

GREAT BRITAINLoughborough

Tech Dept. 2009 6

PRESENCE

• Each Subsidiary has its own team of After Service Engineer in order to guarantee a prompt reply to customers claims and keep in contact with the factory.

USAHarrodsburg

SOUTH AFRICAJohannesburg

ASIA PACIFICKuala Lumpur - Malaysia

HEADQUARTER

CENTRAL EUROPEElze - Germany

GREAT BRITAINLoughborough

Tech Dept. 2009 7

SPARE PARTS

• Supply Genuine Spare Parts inclusive of major equipment assemblies, to Distributor and Operators, and Recommend them a basic spares stock, in order to support operational needs

• Original and Guaranteed Parts • Major equipment assemblies

(complete rotors, stators..)• Kits of Recommended Spare

Parts• Shipments all Over the World

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SERVICE on SITE, PERIODICAL INSPECTIONS and MAINTEN ANCE

• Our customer can rely on the support given by our teams of Engineers ready to act in a quick time all over the world and in different fields such as industrial, marine, oil & gas.

• Skilled Personnel.• Quick response. • Advanced equipment for tests

and measurements. • Reports of the carried out

activities ar issued.

Tech Dept. 2009 9

Marelli Motori Hydropower Generator CapabilitiesMarelli Motori Hydropower Generator Capabilities

• Over 30 years – 500 units world wide

• Synchronous and induction generators

• Vertical and Horizontal

• Antifriction or sleeve bearings

• IP23 to IP55 protection degree

• Speed: From 2 to 22 poles

• Power: From 1 kW to 6 MVA (50 & 60 Hz)

• Voltage: From 220 V to 15 kV

• International Standards and Customized Specifications

• In house full design, manufacturing and testing capabilities

• Global After Sales

MJHRT710LB102600 kVA-6kV-50Hz 600 rpm

Andritz Pelton TurbineBozen Hydro Station,

Italy

Tech Dept. 2009 10

Hydro features:

• Energy Efficiency

• Leading power factor

• Energy control:

• Propietary digital AVR MEC 100

• Automatin pf regulator

• Diode Monitoring

• Manual excitation device

• CTs and VTs on board Installation

• Special shaft (direct coupling

with the runner, Hollow shaft etc)

• Flywheel / Thoothed wheel / Brake

• High overspeed design

From Standard Confoguration to Customised SolutionsFrom Standard Confoguration to Customised Solutions

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TURBINES• PELTON • FRANCIS

• KAPLAN

• TURGO

Hydropower Applications are known to Marelli Motori ...Hydropower Applications are known to Marelli Motori ...

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STD GEN 400 - 450 - 500 - 560

STD GEN 630 - 710 - 800

GUIDE+THRUST BEARING GUIDE BEARING

GUIDE BEARINGGUIDE BEARING

THRUST BEARING

OR 500 FRAME SIZE WITH SMALL PELTON TURBINE

Hydropower - STD horizonthal GeneratorsHydropower - STD horizonthal Generators

Tech Dept. 2009 13

GUIDE+THRUST BEARING

GUIDE BEARING

GUIDE BEARING

GUIDE BEARING

THRUST BEARING

ONLY RADIAL LOAD / NO AXIAL LOAD

Hydropower - Generators with Pelton TurbineHydropower - Generators with Pelton Turbine

GREASE LUBRICATED

Tech Dept. 2009 14

C:\Documents and Settings\fsavegnago\Desktop\hydropower\m71ac023b_=.tif

GUIDE BEARING

GUIDE BEARINGGUIDE BEARING + SMALL REVERSE

AXIAL LOAD

GUIDE BEARING

DOUBLE AXIAL THRUST

BEARINGS

DOUBLE AXIAL THRUST BEARINGS OPPOSITE

CONFIGURATION

Hydropower - Generators with Francis TurbineHydropower - Generators with Francis Turbine

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DOUBLE AXIAL THRUST

BEARINGS

Hydropower - Generators with Kaplan or Francis Turbi neHydropower - Generators with Kaplan or Francis Turbi ne


CONFIGURATION OIL BATH LUBRICATED MARELLI

DESIGN

GUIDE BEARING OIL BATH

LUBRICATED

GUIDE BEARING + SMALL REVERSE

AXIAL LOAD GREASE

LUBRICATED

AUXILIARY MOTOR VENTILATOR FAN

Tech Dept. 2009 16

GUIDE BEARING

DOUBLE AXIAL THRUST

BEARINGS

AXIAL THRUST BEARING OIL BATH LUBRICATED

GUIDE BEARING

TOOTHED WHEEL

Hydropower - Generators with Pelton / Francis Turbin eHydropower - Generators with Pelton / Francis Turbin e

Tech Dept. 2009 17

GUIDE BEARING

DOUBLE AXIAL THRUST BEARINGS MARELLI DESIGN


CONFIGURATION

Hydropower - Generators with Kaplan or Francis Turbi neHydropower - Generators with Kaplan or Francis Turbi ne

Tech Dept. 2009 18

INSULATED GUIDE BEARING

INSULATED GUIDE BEARING

GUIDE + LOCATING BEARING

GUIDE + LOCATING BEARING

ONLY RADIAL LOAD / NO AXIAL LOAD

FLANGED SHAFT EXTENSION

FLANGED SHAFT EXTENSION AVAILABLE ONLY WITH

SLEEVE BEARINGS

Hydropower - Sleeve bearings Generators with Pelton TurbineHydropower - Sleeve bearings Generators with Pelton Turbine

Tech Dept. 2009 19

GUIDE BEARING

DOUBLE AXIAL THRUST + GUIDE BEARING

RINGS FOR ROTOR CURRENT MEASUREMENT

Hydropower - Vertical sleeve Generators with Kaplan / Francis TurbineHydropower - Vertical sleeve Generators with Kaplan / Francis Turbine

Tech Dept. 2009 20

Hydropower - Low Voltage WindingsHydropower - Low Voltage Windings

LOW VOLTAGE WINDING

Tech Dept. 2009 21

Hydropower - MV & HV WindingsHydropower - MV & HV Windings

MEDIUM VOLTAGE WINDING

Tech Dept. 2009 22

Hydropower - FlywheelHydropower - Flywheel

FLYWHEEL

A/W EXCHANGER

SLEEVE BEARINGS

Tech Dept. 2009 23

Hydropower - Vertical Kaplan TurbineHydropower - Vertical Kaplan Turbine

COUPLING WITH GEARBOX

- ANTI FRICTION BEARINGS

DIRECT COUPLING WITH

TURBINE - SLEEVE BEARINGS

Tech Dept. 2009 24

HydropowerHydropower

Annunziata - ItalyAnnunziata - Italy

Power: 110 kWSpeed: 1010 rpmVoltage: 400 V


Polesio - ItalyPolesio - Italy



Tech Dept. 2009 25


Eupen - BelgiumEupen - Belgium

Serie: MJT 500 SA 6 - Power: 700 kVA - Speed: 1000 rpm - Voltage: 400VSerie: MJT 500 SA 6 - Power: 700 kVA - Speed: 1000 rpm - Voltage: 400V

Serie: MJT 400 SA 6 - Power: 270 kVASpeed: 1000 rpm - Voltage: 400 VSerie: MJT 400 SA 6 - Power: 270 kVASpeed: 1000 rpm - Voltage: 400 V

Serie: MJT 315 SB 4 - Power: 250 kVASpeed: 1500 rpm - Voltage: 400 VSerie: MJT 315 SB 4 - Power: 250 kVASpeed: 1500 rpm - Voltage: 400 V

Tech Dept. 2009 26


Tech Dept. 2009 27

Hydropower - FrancisHydropower - Francis

Tech Dept. 2009 28

Hydropower - KaplanHydropower - Kaplan

Tech Dept. 2009 29


GENERATOR WITH FRANCIS TURBINE AND FLYWHEEL

VERTICAL GENERATOR

WITH PELTON TURBINE

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Emergency door

Auxiliary fan


Tech Dept. 2009 31

Thank You