CAT.No.8409-Ⅱ/E

NTN Micro Hydro Turbine

NTN’s Micro Hydro Turbine does not require falling water.It can be placed in position without any dams. Multiple units can be installed to increase power output. The NTN Micro Hydro Turbine is an innovation contributing to green energy. Installation costs are drastically reduced as water fall construction is not required.Converts water flow from various types of channels into energy: agricultural irrigation channels, water and sewer channels, streams and industrial water channels.

Generates Power by Simply Placing Over Irrigation Channels!

Looking to convert an irrigation channel water flow into energy?

No falling water construction is required! Simply place over an irrigation channel

The Micro Hydro Turbine can be easily set over irrigation channels

NTN Micro Hydro Turbine

Typical small-scale hydroelectric generators

Falling water construction

Water inlet Water channel

Turbine Power generator

Surge tank

Step

Ordinary hydroelectric generators operate using the difference in water levels when dams are built across water channels, and extensive construction costs are required. NTN Micro Hydro Turbine requires no falling water and generates power by simply being placed over a water channel. Multiple units can also be installed in line or parallel to increase the amount of power generation. Converting water in irrigation channels into energy – the NTN Micro Hydro Turbine is truly an innovation in green energy.

Falling water needed for ordinary small-scale hydroelectric generators is not required, drastically reducing construction and installation costs.

Comparing hydroelectric to solar light power generation, the NTN Micro Hydro Turbine has minimal output fluctuations during the day, evening and throughout the year. It also has a high energy conversion efficiency and is a reliable source of power. This unit is targeting the micro hydro turbine sector of hydroelectric power generation. Irrigation channels for agricultural and industrial purposes can now be used as a green energy resource, and the NTN Micro Hydro Turbine is an innovative power generator developed to convert this energy efficiently into usable power.

There is a vast number of agricultural irrigation channels installed in regions all around the world. Small rivers and streams, water and sewer services, as well as industrial water channels, are also a vast source of potential energy. Installation of the NTN Micro Hydro Turbine in regions with such resources can form part of a community-based power generation system where local irrigation channels and streams can be used to generate power for local energy needs.This can also limit the amount of energy loss normally incurred during power transmission over long distances from remotely located power stations. NTN Micro Hydro Turbine is a form of energy produced locally for local consumption. It can help stimulate industry and economy in the local community as a reliable source of energy.

High-efficiency power generation by simply placing over irrigation channels NTN Micro Hydro Turbine is an innovation in green energy

On-site power source for farms

Energy produced locally for local consumption.

Ideal as a power source for pumps, electric fences, streetlights, greenhouses, snow-melting and other uses; it can also be used as an emergency power supply.

Factory and office power sourceUseful as a backup power supply for factories and offices.

□ Power supply for greenhouse lighting □ Power supply for 　 snow-melting facilities

□ Electric fences to 　 avoid wild animals

□ Pump operation

□ Streetlights

Designed to suit water channel width

Can be installed in:

Drastically reduce installation costs Install almost anywhere Quick and easy installation

Easy installation to minimize cost and time

□ Change in flow with winglets

□ Agricultural irrigation channels □ Industrial water channels □ Water and sewer services

□ Turbine blades

Installation of ordinary small-scale hydroelectric generators requires the building of a dam to store the energy of upstream water. This increases overall installation cost. NTN Micro Hydro Turbines do not require major construction work and can drastically reduce installation costs.

High-efficiency power generation to harness the energy of water

Power generation with installation in series

□ Specifications

□ Installation conditionsBeam length will be designed to suit the water channel width after checking the site.

□ Turbine structureThe unit consists of a power generator, gearbox and turbine blades supported on beams.

□ Maintenance and manufacturer warrantyThe unit will be repaired free of charge in accordance with the warranty agreement during the warranty period (1 year).

The proprietary blade shape limits blade tip vortices and interruptions of water flow. Multiple NTN Micro Hydro Turbines can be installed in the same water channel. Up to 10 units in series were installed in demonstration tests.To increase the power output, parallel arrangement can be also possible to the channel width.

Installation can be arranged in series and in parallel for optimum power generation

Reduce energy lossThe proprietary fan-like blades harness the energy in water further away from the shaft center. The resultant torque turning the rotating shaft is increased and energy captured from the moving water is maximized. Blade tips use a proprietary shape called winglets that curve inward at a fixed ratio that limit energy loss caused by vortices at the tips and result in large amounts of energy generation.

NTN Micro Hydro Turbines are designed with beam lengths to suit the width of the water channel and they can be installed almost anywhere. Simply place the turbine on the walls of any channel with enough depth and flow for power generation.

Installation can be completed in less than an hour with one mobile crane and three workers (including crane operator).

Demonstration test results Environmentally friendly grease Additional OptionsPower generation performance, the impact on the water channel, and maintenance characteristics were verified with a flow rate of 1.6 m/s capable of generating 500 W of power (900 mm blade diameter).

The bearings in NTN Micro Hydro Turbines use grease for food machinery, for an environmentally friendly design.

Contact NTN for information on various additional options.

winglet

Power output in demonstration test (example) Lubrication grease for food machinery <Example> Filter screen

Pow

er g

ener

atio

n ou

tput

[W]

Calculated value

Flow rate [m/s]

□ Installation in series in 　 same water channel

Upstream

Blade diameter: 900 mm Unit weight: 170 kg Beams can be adjusted to width of water channel

Irrigation channel

Downstream

Blade Diameter(mm)

Power Output(with flow rate 2 m/s)

RecommendedWater Channel

MaximumFlow Rate

Width: Water depth:

700 mm or more700 mm or more

Width: Water depth:

1000 mm or more1000 mm or more

Width: Water depth:

1300 mm or more1300 mm or more

*Unit specifications are subject to change without notice.

BeamsGenerator

Turbine bladesGearbox

Controller

NTN Vertical Axis Wind TurbinePlanned for sale at April of 2018(NK certification to be acquired)

NTN Micro Hydro TurbineAvailable since July 2017

NTN Hybrid Street LightAvailable since July 2016

Profile of NTN

Ever since being founded in 1918, NTN has made valuable contributions to a wide range of industries as a machinery manufacturer dealing mainly with bearings. In the aerospace field, NTN bearings were used in the first domestically produced airplane in Japan, and has built a reputation for high quality and reliability as the only company in Japan today capable of supplying all major global jet engine companies with main shaft bearings. In the automotive field, NTN has the leading global share of hub bearings that support the wheels of cars, and the second highest share in the world for driveshafts that transmit engine power. NTN has contributed to improvements to vehicle ride comfort and fuel efficiency over many years, And in the field of high-speed rail, NTN was involved in development of the first 0 series Shinkansen from the outset, making valuable contributions to safety and comfort for more than half a century. More recently, efforts are being made for greater development and proposals of systems and module products with highly integrated technologies and knowhow fostered through existing business - the Condition Monitoring System for Wind Turbines (CMS) considered a prime example. In the aftermarket business, to support customers' business from a various angles, NTN holds the technology training services etc.

NTN, celebrating its 100th anniversary in 2018, is developing business in the green energy field by combining technology and know-how we have developed over the years. Products under development include the NTN Vertical Axis Wind Turbine, NTN Hybrid Street Light and NTN Micro Hydro Turbine that utilizes highly efficient blade technology to optimize power generation. NTN is helping to resolve the world's environmental issues and energy problems by supplying clean energy efficiently and without emitting greenhouse gases.

Green Energy Products of NTN

Inquiry

Leading Company of Rolling Bearings

Application of bearing

Bearings support rotating portion of mechanical products such as automotive vehicle, railway car, aircraft, wind turbine, robotics and so on that working anywhere in the world. bearing is the ecological product that reduces energy consumption by lowering the friction.

Automotive vehicle Aerospace Wind turbine

Hub bearing that supports wheel

Main shaft bearing of jet engine

Extra large size bearing for main shaft

Product Variations of Green Energy Products

NTN CorporationGreen Energy Products Division

Business Development Department5-105 Hidamarinooka, Kuwana-shi, Mie 511-0867Phone: +81- 594-33-1256E-mail: green_energy@osa.ntn.co.jp

www.ntnglobal.com/en/index.html

JE18 CAT.No.8409-Ⅱ/E 17.08.02DE/DE