Page 55 - North American Clean Energy May June 2015

• Choose a manufacturer that commits to a warranty that includes a guarantee
against gassing. Given the potential for failure, a minimum of a 2-year
guarantee is recommended.

• Be sure the payback calculation relects the reality of the operation. Return
on inancial investment is critical for any clean-energy operation, and more so
with the industry’s high capital costs, market uncertainties, and lower fossil-

fuel prices. If investments need to include the cost of transformers that must Carbon brushes for wind turbine applications
be replaced every three years on average, the ROI won’t be realized. Choose a
custom-built, pad-mounted unit that addresses the needs of the renewables Morgan Advanced Materials Electrical Carbon business’s range of carbon brushes for
industry. hat way the real investment cost remains intact, resulting in a wind turbine applications, have new designs and materials that are resulting in longer

realistic payback.
brush life and increased generator uptime.
Morgan's brush grades are created to be environment-speciic, ofering maximized
Doing some homework before making a sizeable investment will help a performance in low or high load conditions. Morgan has developed advanced materials
clean-energy facility prepare for a future of reliability, growth, and eiciency. to address the environmental extremes experienced by wind turbines, including

Uninterrupted power transfer to the grid with minimal down time should be scorching heat or corrosive sea salt. he brushes are also engineered to deliver high
achieved when the right equipment is chosen.
performance in low-humidity atmospheres, a common environmental factor afecting
many wind farms.
Balram Ramamurthy heads the Renewable Energy initiative at Virginia Transformer he ield-tested carbon brushes are backed by application engineering, customer

in Roanoke, Va.
service, and global reach to support demanding environments. hey feature low friction
due to their ilm formation. In addition to being able to endure extreme atmospheric
Virginia Transformer is a provider of custom-engineered power electrical conditions, Morgan’s range of carbon brushes are tolerant to contamination and provide
transformers for utility, renewable energy, industrial, mining, oil and gas, a lifespan with minimal slip ring wear and a low brush-to-brush wear diferential.

commercial, institutional, specialty, and export markets in power ranges from 500 Morgan’s carbon brushes are ideal for wind turbine generators that are subjected to
kVA to 500 MVA.
extremely harsh environments, along with other challenges, including sudden changes in
wind speed, very low humidity, and the on/of cycling of the generator unit. heir design
Virginia Transformer | www.vatransformer.com
also results in lower maintenance costs and signiicantly improved generator reliability.

Morgan Advanced Materials | www.morganadvancedmaterials.com

Fire Protection
One Component at a Time

Modular Fire Suppression to Select the Areas You Want to Protect

Wind turbines present a unique challenge for ire suppression. Airlow, vibration, Firetrace Systems are installed

dust and temperature all work against traditional ire detection and suppression.
on the most popular wind
turbines globally and are able
Firetrace is the Answer:
tobeitwitheaseonnewor
existing wind turbines.
• Requires no electricity, offering uninterrupted service 24/7

• Allows for inexpensive installation, maintenance and recharge

• Initiates shut down and sends an alert to your monitoring system Visit us at:

• Eliminates false alarms
AWEA Orlando – Booth 3922

• Protects multiple components for less than 2 % of the overall cost of the turbine
EWEA Paris – Stand J07

Tel: +1 (480) 607-1218
www.iretrace.com
E-mail: [email protected]

North American Clean Energy 55