Heat Exchangers
Surface Air Coolers built
for the Narrows Powerhouse, NC
Thrust Bearing Oil
Coolers produced for the
USCOE Dalles Powerhouse, OR.
USCOE Dalles Powerhouse, OR.
Grand Coulee Dam, WA.
Generator
surface
air and oil coolers play an important role in maintaining optimal
generator operating conditions. Inadequate maintenance and cleaning
schedules can lead to fouling causing a decrease in cooler efficiency
and increased generator losses. This fouling can also be caused by many
other factors such as poor material choices leading to galvanic
corrosion, oil and dirt buildup, and mineral/organic buildup within the
water passages.
The cost of completely replacing failing heat exchangers is typically outside of most budgetary allowances. Our expertise in refurbishing generator heat exchangers can provide you with a like-new product at a fraction of the cost and turnaround time of a total replacement.
In the case of a generator uprate, the existing generator surface air coolers are often insufficient for operation at increased MVA levels and require replacement. General Power Engineering Associates produces custom ordered air-to-water and oil-to-water heat exchangers using a variety of materials--all built to the exact specifications and requirements of your generator with little to no modification of existing equipment required. In addition, the size of the cooler can typically be reduced compared to the OEM product while maintaining the same or better efficiency using GPEA's cooler design methods.
GPEA manufactures generator air and oil coolers with the following material options:
- Carbon Steel or Stainless Steel construction.
- Carbon Steel, Stainless Steel, or Brass Tubesheets.
- All copper, 90/10 Cu/Ni, or Stainless Steel tubes.
- Edgewound, Solder Dipped, or Extruded fin tubing.
- Galvanized or Painted cooler frames.