Howard Substation Transformers - Manual

1
INTRODUCTION
Howard medium power substation
transformers are designed and
built according to the most
exacting engineering standards to
provide many years of outstanding
performance and reliability in the
most demanding utility, industrial,
and commercial applications.
All designs incorporate the latest
advances in materials, design
techniques, and power transformer
technology verified with 2D and
3D analysis software. Howard’s
Substation Division has staffed
its operations with well-trained
engineers, winders, assemblers,
and testers, with many years of
experience in the development,
design, and manufacture of medium
and large power transformers.
Howard’s Substation Transformer
Division also offers nationwide
delivery and the option of complete
job-site services, including unloading,
inspection, assembly, fluid filling, and
testing. Field supervision is available
for customer-installed jobs.
PRODUCT SCOPE AND
APPLICATIONS
Howard Industries currently
manufactures fluid-filled medium
power substation transformers with
capacities through 60 MVA (ONAN)
and primary voltage ratings through
230 kV at 900 kV BIL.
An extensive range of features and
accessories are available, including
de-energized tap changers, on-load
tap changers, forced-air cooling
systems, fluid preservations systems,
and many other options to satisfy the
special requirements of virtually any
application.
Howard medium power substation
transformers are suitable for a wide
range of demanding applications,
including utility substations, wind
generation sites, chemical plants, oil
and gas processing facilities, mining
operations, paper mills, steel mills,
water treatment plants, office and
shopping centers, internet server
facilities, and many other uses.
MANUFACTURING FACILITIES
Howard’s new 355,000 square foot
substation manufacturing facility
(Figure 2) was custom designed and
built specifically for the production of
medium power transformers. Every
aspect of the facility’s design and
construction was carefully considered
to maximize its manufacturing
capabilities and provide the flexibility
needed to satisfy ever-changing
customer requirements. The facility’s
air handling systems maintain a
clean, positive-pressure environment
throughout, with temperature and
humidity controlled conditions
maintained in the insulation staging
and winding room. All floor surfaces
are sealed to help control airborne
contamination. Tank fabrication,
insulation cutting, fluid storage and
Substation Transformers
Medium Power
34-10
Catalog Section
Howard Industries, Inc.
Substation Transformer Division
Figure 1: Medium power substation transformer with forced air cooling
Copyright © 2013 Howard Industries, Inc. Howard Industries, Inc.
Laurel, MS 39440
www.howardtransformers.com
Document No. 2.4.18
Revision: 2
Issued: October, 2013
Figure 2: Howard Industries Substation Plant,
Ellisville, MS