BGB: Siemens-Bonus SWT & Legacy Solutions

BGB's online brochure for solutions to Siemens and Bonus Wind Turbines. Signal and power sliprings are vital in the production of wind power across the globe.

SIEMENS & BONUS

Wind Turbine Pitch Control Slip Rings

SWT1.3CS, SWT2.3CS and SWT2.3VS Versions + Legacy Solutions

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Issue SIE01 Oct.23 Rev UK1 d

> Approved and Trusted Solutions > Over 30 Years in the Wind Industry > Development and Supply Partner for Multiple OEM’s > Over 1 Million BGB Wind Rotary Solutions Installed Globally

Are you experiencing problems with your Slip Rings?... Cleaning too much? Sticky black residue inside? Waiting on units to arrive? Paying too much for parts?...

Resulting in... CLIMBING towers too much & adding safety risks Turbine DOWNTIME Increased dept. COSTS

BGB Upgrade Solutions Aftermarket innovation : Addresses the failures of the previous units while still fulfilling the Siemens specification Reduce O&M costs : Modular design means that manufacturing costs are lower and parts are common to all versions of the unit Always have the right part : Available in all variants of CS and VS No maintenance : No dust generation or cleaning requirements due to silver fibre technology Work with a trusted technology partner : Incorporates successful design and experience maintenance means the concentricity of the cover does not change over time. The weep holes prevent oil ingression into the main body Reduce component lead times : Made in the USA and stocked in the UK from BGB’s successful Vestas units Improved seal : End access and no No communication errors : BGB’s slip ring is bi-directional which means if the rotor counter rotates during idle conditions the slip ring is able to maintain communication connections with the hub. Designed to IP65 Made in the UK and stocked in both the UK and USA

BGB's improved seal offers greater protection against hydraulic oil ingress from the hydraulic joint

(Pictures left & right show oil ingress in competitor products)

BGB Design Advantages: Signal and Power channels utilise the same brush and ring interface to: reduce unit cost, reduce temperature and increase transmission safety factor

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Pitch Control Slip Ring

Specification:

10 lbs

Weight:

Silver Fibres

Brush Material:

Silver-plated

Data Ring Material:

BGB Solutions For Siemens Turbines: A9B10053437 BGB Part: GA100274-8 SWT-2.3MW-93, WTC3 2.3MW VS Pitch Control Slip Ring 8/9 way A9B00400458 BGB Part: GA100274-10-1.3 SWT-1.3-62, WTC3 1.3/0.25 MW Pitch Control Slip Ring 10/11 way A9B10051701 BGB Part: GA100274-10-2.3 SWT-2.3MW, WTC3 2.3MW VS Pitch Control Slip Ring 10/11 way A9B10020762 BGB Part: GA100274-10-3.6 SWT-3.6 Pitch Control Slip Ring 10/11 Way A9B00518720 BGB Part: GA4852-05 Bonus 1.3/2,0MW Pitch Control Slip Ring 20 way unit Did You Know? BGB has included weep holes to allow oil to escape the system prior to having a chance to infiltrate the slip ring (a common problem among electric slip rings mounted to hydraulic unions) .

Brass

100M Revolutions

Slip Ring Life:

None

Lubrication:

No Scheduled Maintenance Required

Maintenance

Period:

10Amps @ 230V

Power Circuit

Rating:

100Mbps

Data Lines:

Operating Temp: -20 O C to +70 O C

OEM Spec 2.85m Exposed

Cables

IP65

Sealing:

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Origins…

Did you know?

BGB has been producing slip rings for Bonus turbines since the Bonus 1MW which was first produced in 1996. While having a relatively low production volume, it had the characteristics typical of the Siemens turbines of today, such as the iconic nacelle shape and three stage asynchronous gearboxes that served as a foundation of design for the Siemens Bonus turbines after the Siemens takeover in 2004.

AN Bonus 1.0MW

• Spare part provision

• Legacy support

• Repair and refurbishment

BGB Legacy Products For Siemens / Bonus Turbines Include: AN Bonus 2MW WCT2: Pitch Control Slip Ring 20 way, Paratec Upgrade AN Bonus 1MW: Pitch Control Slip Ring 10 way, Paratec Upgrade Lightning Brush Holder & Lightning Brush (32 x 16 x 50)

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AN Bonus 1.3/2.0MW WCT2 Paratec upgrade

• Around this time BGB

supported Bonus in their failure investigation

• Issues addressed with flashing, contamination, and brush degradation

• Upgrade retrofits available

• Wiring diagrams and service information available on request

Lightning Brush Holder • BGB’s Lightning Protector Brush Holders are robust units that are designed to dissipate lightning energy and thus defend critical components (typically main shaft and yaw bearings) • A low impedance path is created through the rotational interface (hub to

nacelle) from the lightning protection conductor to the ground, therefore protecting the main bearing

Lightning Solutions For Siemens Turbines: A9B00080778 SWT1.3 Lightning Brush Holder A9B00080857 SWT1.3 Lightning Brush (32 x 16 x 50)

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PROVIDING ENGINEERING SOLUTIONS SINCE 1976

Tel: +1 804 451 5211 North & South America

Tel: +44 (0) 1476 576 280 Europe And Rest Of World

WWW.BGBINNOVATION.COM

Email: sales@bgbinnovation.com

@bgb_innovation

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