Tag Archives: Wind turbine

Wind turbine sound studies to cost more than originally planned

Harry Sullivan Truro Daily News, June 20, 2014

TRURO – Monitoring the noise levels of industrial wind farms is going to be more complicated and expensive than originally anticipated by Colchester County council when it updated a wind turbine bylaw last year.

Council initially enacted a wind turbine development bylaw in 2009 and then updated it last fall to address concerns expressed by residents. The updated version changed the setback distance of a turbine to the nearest residence from 750 metres to 1,000 metres (one kilometre) and also included a maximum sound tolerance of 36 decibels for any turbine operating within the county.

Turbines found to be operating above that level can be ordered shut down.

At the time the bylaw was written, however, council was acting on staff advice that the sound monitoring could be conducted simply by using a hand-held device.

Further research by staff, however, has determined that hand-held sound monitors cannot distinguish between the noise from a turbine’s blades and wind moving through the trees.

Sound studies cannot be conducted until a turbine is operating and Smith told council they would have to be conducted by sound experts at a cost of between $7,000 and $10,000 for the type of study required to fully assess how much noise is being generated.

Under the terms of the bylaw, an initial sound study must be conducted within a year of an industrial wind turbine becoming operational. Further studies could be required each time the municipality receives a legitimate complaint from a resident living within close proximity to a turbine.

“We are the pioneers in this,” Smith said, given that no other Nova Scotia municipality has established a sound policy.

The cost for conducting such studies is to be paid by the developer/owner of a given wind farm.

“I can foresee this becoming a very expensive venture for somebody,” Coun. Wade Parker said. “I think this is going to become very complicated. Very, very complicated.” Read rest of article here.



Enercon Court Loss- OLG Munchen 27 U 3421/11

ENERCON E-82: Pulsed Noise

Enercon, Europe’s largest wind turbine manufacturer, has a problem: The decision of the Bavarian Higher Regional Court in Munich about the wind turbine in Kienberg points out that in the  E 82 turbine emits pulsed noise. Therefore to any actually measured sound level three decibels would have to be added.

This supplement  seriously could question any wind turbine site close to dwellings. As previously reported, the 27th Civil Division of the Bavarian Higher Regional Court now affirmed the pulsed noise and granted a lawsuit by opponents of the wind turbine in Kienberg, Marktgemeinde Rennertshofen.

” To us this verdict is completely incomprehensible”, says Felix Rehwald, spokesman for the largest European wind turbine manufacturer Enercon. The market leader, headquartered in Aurich, Lower Saxony, Germany, sells its wind turbines with the grade “no pulsed noise”. Experts instructed by Enercon  have not confirmed pulsed noise so far said company spokesman Rehwald. Now the sentence of the Bavarian court bothers the Enercon-lawyers. They will consider further steps.

Read entire article here.

Here is the court ruling OLG Munchen 27 U 3421/11

And this is an important addition.

The Federal Court of Justice has rejected the ENERCON case. The Federal Court of Justice is the highest Court for such cases in Germany, so Enercon has no possibility to go further in this case. The 3 dB addition for pulsed noise for the E82 is official.

This 3db penalty means that these Niagara Region Wind Corp Enercon E-101 turbines, which are even larger than the Enercon E-82 model turbines,  would no longer be able to be squeezed into our populated rural communities.  The day of reckoning is here.  Yeehaaw!

Court rules: wind turbine is too loud by Claudia Stegman

And a more recent update on the Kienberg wind turbine in this articledated Septenber 12, 2013:  http://www.augsburger-allgemeine.de/neuburg/Initiative-gegen-Windkraft-gegruendet-id26975506.html

Defining the rules for maintenance of wind turbines

 By Mike Bridgen » – The Northern Echo – October 1, 2013 – UK

NATIONAL minimum standards for the installation and maintenance of medium wind turbines are being drawn up for the first time.

SETTING STANDARDS: Julian Martin, of Ice Renewables, is chairman of the body setting minimum installation and maintenance standards for medium wind turbines

Julian Martin, chief executive of Northallerton-based Ice Renewables, is chairing the body setting the standards.

At present, there are no defined rules or medium wind standards for installers or maintainance companies to work to and, consequently, the quality of services varies across the UK.

There have been nightmare stories of customers being left with turbines not working, no proper operations and maintenance contracts, a lack of turbine parts, installers who have walked away and manufacturers not set up to deal with the maintenance of their fleets of turbines.

RenewableUK, the trade body, has recognised this and is working with its small and medium wind strategy group, chaired by Mr Martin, to introduce a national MCS approved medium wind standard by 2014.

It wants an international IEC medium wind standard later next year for turbine design, site assessment, installation and operations and maintenance across the whole medium wind sector.

Ice Renewables is an established specialist in the small and medium wind sector, and is focused on setting and maintaining the highest standards.

It has launched its own unrivalled Complete Wind Solutions package, extending a specialist operations and maintenance (O&M) service to manufacturers, developers and customers in the medium and Megawatt wind sector.

The company was established in 2006 and has become a sector leader but, in its early years, it had firsthand experience with the issues of subcontracting to an external (O&M) firm.

“We were not happy with the level of service we received for our customers and soon realised the turbines were not being well looked after and our customers were unhappy,” said Mr Martin.

“Because of this, we took the decision to bring the service in-house. We haven’t looked back and currently operate and maintain 12 Vergnet medium wind turbines, with our last quarter availability rate being an average of 99.6 per cent.” With a fleet that extends from Edinburgh to Cornwall and from Suffolk to Newark, Ice has a proven record for the delivery of these specialised services, Mr Martin said: “Our customers want good communication, fast response time to minimise their turbines down time, well-trained engineers, a good relationship with the manufacturer, and a set of complementary added value services, such as high voltage maintenance work and blade repair, so that they do not have gaps in the service of their turbine.”

He said a good O&M strategy was increasingly a priority for manufacturers, developers and customers, as it can extend the turbine’s lifetime, reduce costs and increase availability.

Mr Martin advised potential wind turbine owners to think carefully about who they choose to construct their turbine and ensure they work with reputable companies with a local presence who are dedicated to the long-term support of their wind project.

Original Article Here: http://www.thenorthernecho.co.uk/archive/2013/10/01/10709580.Defining_the_rules_for_maintenance_of_wind_turbines/

Mothers Chat with Energy Minister Chiarelli

DSCN0760It was field day for Mothers Against Wind Turbines and the destination today was Babcock and Wilcox Nuclear Manufacturing Facility in Cambridge.

Energy Minister Bob Chiarelli was also at the facility and was available to speak to the Mothers and address their many concerns. Issues discussed included health, noise decibel levels, improper siting, financial and economic impact on Ontario, wind company contracts in  addition to how it infuriates  rural Ontario that the Liberals are appealing the Ostrander point decision.

Minister Chiarelli showed himself to be an excellent example of a Liberal “listener” but only time will tell if he follows company policy and refuses to hear. We Mothers made it clear that we are determined to protect our families, our children, and the best course of action for the minister and all Ontarians is to no longer support industrial wind facilities being built within our communities and province. Mr Chiarelli, although thoughtful and pleasant, continued to recite the usual Liberal propaganda and spin . Great job Mothers! Not only is it important to speak out for those whom our government now refuses to protect, but as always, to set an example for our children. And thanks to Bob Chiarelli who took ten minutes out of his busy day to speak with the Mothers. I hope your next stop later that day, touring the Canadian Solar Facility, was just as interesting and eventful.