ZEROEMISSION ROME 2009, now in its 7th edition, has become the reference point for all companies interested in developing their renewable energy and emission trading businesses in Italy and in the promising Mediterranean area.

On that occasion TEROM WIND ENERGY will present the new wind turbine ATBV26. This is an evolution of ATBV25 machine, has a bigger rotor and gives improved performances.

TEROM takes part to the second edition of the "Ecoappennino" fair by presenting a paper at the "convention" on small size wind turbines scheduled for Sunday, Sept. 28.

Download the "paper".

EOLICA EXPO MEDITERRANEAN 2008

In addition, from next October 1 to 4, TEROM will exhibit at the "Eolica Expo Mediterranean" in Rome.

There the company will present to the public its new ATBV25 wind turbine.

It will be possible to get details on the control system’s potential. This is the ‘tubine’s brain’, the crowning point of TEROM production, which has been developed during 18 month long testing on the first prototype installed in 2007.

Customers will also have the possibility to take up an option purchase on the first items now under construction.

TEROM has participated with a stand on the square dedicated to small wind turbines and small hydroelectric plants.

Among the numerous conferences and meetings on the renewable sources of energy, TEROM has presented the paper ‘prototype of a wind turbine for the Apennine Mountains’ during the conference on mini and micro wind plants. Download the "Paper" (Italian language).

It is a perfectly operating smaller-scale model of the wind turbine TEROM is currently developing.
It will allow to check all design solutions adopted as well as to carry out a real characterization of the machine potential and its capacity to produce energy from low wind speed sites. Watch the "video".

Technical data:
Wind turbine: TEROM Low Wind Speed turbine prototype
Number of blades: 3
Nominal output: 8 kW
Rotor diameter: 10 m
Tower height: 20 m
Generator: Synchronous multi-pole permanent magnet
Pitch control: Active
Yaw control: Active
Nominal wind speed: 7,7 m/s
Lightning protection: Included in blades

Set up site (wind monitoring carried out at 40 m height): Company inner square - Funo di Argelato (BO) – Italy
Specific output: 25 W/m2
Average speed: 2,62 m/s
Weibull shape factor: 2,28

On this occasion we presented our new product - TEROM LOW WIND SPEED turbine - specially thought of and designed for winds blowing on the Apennine and piedmont areas. It achieved widespread success among the various wind industry operators.

Watch our video "energy upon the wings of the wind"

-ROME, Sept.30th 2006 – EOLICA EXPO 2006
Within the conference ”WIND ENERGY IN THE MEDITERRANEAN: CURRENT SITUATION AND PROSPECTS”, session on “SMALL WIND TURBINES AND DISTRIBUTED SYSTEMS: AN OPPORTUNITY FOR PRIVATE USERS” TEROM will present the paper “Mapping marginal locations on the Appennines”. Download the PDF [9 MB].

-TERAMO, October 4-8 2006 - Energy Square -
TEROM will be there with a stand dedicated to its anemological activities and its project of an innovative wind turbine. Download the Posters [11 MB].

RIMINI, November 10th 2006 – ECOMONDO
Within the international conference ”WIND ENERGY & ITALY – A POSSIBILE COMBINATION?” TEROM will present the paper "Wind energy in locations with low wind speed and high turbulence: "mission impossible?". Download the "Paper" [1 MB] and the "Presentation" [4 MB].

These elements are manufactured with the infusion method, which uses vacuum pressure for impregnating fibreglass fabrics with a special type of vinylester resin.

TEROM team has designed and realized special molds to manufacture blades. An innovative technique is employed, such as to allow time saving in processing and finishing procedures. At the same time, the components’ resistance and quality are maintained.

The blades manufactured are based on FFA and NACA profiles and were designed by our technicians in cooperation with the University of Bologna (Forlì Department). They are 5 m. long approximately and will be mounted on a 20 kW prototype wind turbine 20 m. high.

The area was located after a study carried out by the technicians of the CNR/IBIMET (National Research Council) of Bologna.

This tower for data logging is visible from the city Bypass. It will allow monitoring the chosen location in order to establish whether it will be possible to install there one or more wind turbines.

So far, TEROM has put into operation several wind-monitoring stations. In particular:

-3 towers in Marradi (near FLORENCE).
-1 tower in RIOLO TERME (near RIMINI).
-1 tower on the “Guelfa hill” in Bologna.

In addition, TEROM is cooperating with the provincial administration of RIMINI for the erection of 3 towers. One of them is already operating in MONTEFIORE CONCA. The remaining two will be erected in a few weeks.

TEROM also offers complete on-site mast installation and wind monitoring services with its own equipments and instruments. The whole North-Central Apennines area is covered.

For further information contact our technical department.

TECHNICAL DATA
-Wind speed range: 1,0 m/s - 50 m/s
-Sampling of wind speed and direction: 1 second
-Statistic sampling times: 1 minute, 5 minutes, 10 minutes (default)
-Statistic results transmitted on the interval: average speed, maximum speed, minimum speed, speed standard deviation, wind direction, positive gust (maximum increase in 10 sec), negative gust (maximum decrease in 10 sec), temperature.
-Data storage: up to 32 days @sampl. = 10 minutes
-Alarms: by E-mail:
Battery almost flat
Memory almost full
Failure (anemometer broken , cut wires…)
Average wind exceeding a given value
-Real-time transmission and storing of speed and direction raw data (one per second) from 2 to 20 minutes
-Display:  LCD 2 lines x 16 characters
-Modem: TC35i Siemens
-Solar panel: 20W 19 Volt max
-Wind measurement devices to be connected: NRG #40 (anemometer); NRG #200 (wind direction vane)

The structure is a cable-stayed tubular tower for anemometric studies made up of tubes connected by flanges. This allows quick on-site mounting operations. The structure’s steel base has very small overall dimensions. The tower is fastened by 3 stays, which are repeatedly placed every 90°. The stays are small-diameter steel cables supporting the structure with the widest possible angle of inclination with respect to the structure’s axis, and they thus counteract the wind horizontal thrust. This allows to make the best use of the cable’s qualities, bringing the cable’s anchoring to the ground far from the tower’s axis. The advantage coming from thin cables is that their weight per meter is low and they are not visible from a distance. This project allows to obtain a very light structure, although the necessary stiffness is maintained. The antenna is fastened to the ground with stakes driven into the soil and does not require any special building works.

The electric/electronic components are: speed sensor, direction sensor, temperature sensor, data logger to receive and store data.

The site will be monitored for a period varying between 18 and 24 months. The data collected and processed by TEROM technicians will allow to explore the potential for wind energy on this area.

The aim of this event, organized by Coop Adriatica under the sponsorship of Castelmaggiore town council, was to awaken public opinion to environmental problems, as well as to get people closer to the world of renewable energy. TEROM, which actually operates on this territory, was officially invited as a firm producing wind energy plants.

On this occasion, TEROM showed for the first time its 50 kW wind generator prototype (1:10 – 1:5 scale). Its main technical characteristics are listed below:
- Electronic control system
- Variable speed
- Rotor automatically aligning to wind direction (yaw-control)
- Wind power control through blades rotation (pitch-control)

Main technical data:
Power: 75 kW
Capacity: 60 m³/h
Screw conveyor rotation speed: 30-60 rpm

This type of birotor structure, with inlet and outlet openings dimensioned to the pump's active volume, has in practise no higher capacity limit. Actually, this pump offers one of the greatest capacities available on the market.

Here is the pump’s rating:
· Delivery pressures up to 6 bar
· Capacity of 82.5 m³/h at 70 rpm, adjustable through inverter
·(Theoric) installed power of 55 kW

The pump worked during the 2004 campaign with an average capacity of 105 m³/h at 90 rpm, reaching peaks of even 120 m³/h. The average power absorbed was 17 kW, due to delivery pressure lower than 1 bar.

At the moment, TEROM is developing the ‘2005 version’ pump, which will involve the following innovations:
· Break pin to protect against collisions and sudden halts caused by foreign matters entering the pump.
· Improved seals efficiency, in particular in case of accidental pressure peaks.
· Introduction of inspection and washing openings on the pump’s head.

Once disassembled and analyzed by TEROM specialized personnel, the pump was found to be in excellent condition. In particular, those devices that underwent the most stress, like lobed rotor, seals, gaskets, gears, bearings, shafts and drive joint, reducer etc. were not worn out.

This is an innovatory construction, with two rotors in place of the classic TEROM ‘conduced rotor’ execution. These rotors are driven by an external gear, so that there is minimum clearance between them and sugar crystals’ breaking is prevented. The two-rotor based structure obviously generates smaller inertial forces and the pump is thus guaranteed greater speed and very low noise.

Here are the main technical features:
- Delivery pressures up to 8 bar
- Capacity of 38 m³/h at 70 rpm, adjustable through inverter
- Installed power of 11 kW
- Possibility to reverse rotation direction without any intervention on the plant
- Rotor case (flux passing area) easy to check and maintain
- Seal case group easy to get access to, for checking and replacement
- Ring seals made of elastomer and fibers of the HT720 type

360 enterprises have taken part in the competition, the first to be totally run telematically, and only 188 were judged to be eligible for funding. A short passage from the introduction of TEROM proposal is given in the following lines:
‘TEROM project involves the realization of a newly conceived three blade wind aero-generator with size and power ‘adjusted’ to the specific requirements of the Italian environment, in particular the Apennine mountains. A new element is the introduction of the so-called self-assembling tower as supporting structure of wind generators. This telescopic tower can be easily transported on existing routes and raised using small cranes. Therefore, it can be potentially assembled in any site’

The validation from a board of independent experts further confirmed the effectiveness of TEROM’s idea.
TEROM project team has long been studying the various technical components of the first generator. This will represent the ‘feasibility evidence’ of the project and will include a number of innovatory elements, in comparison with current technology.