Your Partner for Transformer Field Services
ABOUT US
About us
We are a company based in Texas, specializing in technical-electrical services with a focus on power transformers. We leverage the extensive experience and proven track record of our partners. Our top priority is exceptional customer service, ensuring a prompt response to your needs and requests, along with comprehensive technical and administrative support.
OSHA standards, logs, programs, and training are reviewed and verified annually.
Values
Quick response
Multiple crews are always ready to respond to any emergency demand.
Safety
CGE ensures that all field representatives have adequate knowledge and training with various power transformers.
Expertise
Senior engineers and technicians with more than 25 years of experience in the field service.
Vision
To maintain the integrity and compliance of your power transformers, scheduled inspections and maintenance are crucial to keep them running smoothly. Providing long-term support and specialized care is our top priority in service.
Mission
At CGE, we believe it is our duty to inform our partners about the best practices for maintaining the performance and lifespan of their power transformers. We are committed to offering efficient and timely technical-electrical support to minimize the downtime of their assets.
Work Reference
Inverter Replacement
Location: Coniglio, Texas, US.
Performed activities:
– Successfully replaced two Sungrow inverter skids, each featuring 3,150 kVA transformers.
– Prepared, lifted, and placed new inverter skids.
– Reconnected high- and low-voltage circuits.
– Conducted electrical tests, including:
– Turns Ratio Test (TTR).
– Winding Resistance (WR).
– Insulation Resistance (IR).
OLTC Gasket Replacement
Location: Rio Rancho, Texas, US.
Performed activities:
– Replaced the OLTC (On-Load Tap Changer) gasket on a 116 MVA, 115 kV/34.5 kV transformer
– Drained and treated 900 gallons of transformer oil (600 gallons from the transformer and 300 gallons from the OLTC) using a Hydraulic Filtration System to remove any contaminants and particles from the oil
– Disassembled the tap changer to replace the gasket
– Conducted comprehensive electrical tests, including:
– Turns Ratio Test (TTR)
– Winding Resistance (WR)
– Insulation Resistance (IR)
– Performed a leak test to ensure optimal transformer sealing
Solar Plant Transformer Maintenance
Location: Lily Solar, Texas, US.
Performed activities:
– Conducted electrical inspections on inverter transformers to ensure optimal performance
– Performed Dielectric Gas Analysis (DGA) on oil samples to detect potential issues
– Successfully treated six transformers with thermo-vacuum processing to reduce moisture content and prevent equipment failure
– Completed all work to ensure the reliable operation of critical equipment and maintain solar plant efficiency.
Solar Field Maintenance
Location: Townsite, Nevada, US.
Performed activities:
– Performed comprehensive maintenance on 54 units (Full Site Remediation) at the Townsite solar field
– Conducted detailed inspections and implemented multiple corrective actions, including:
– Replacement of high- and low-voltage bushings
– Installation of new pressure relief valves (PRV)
– Upgrade of oil thermometers
– Replacement of load tap changers
– Successfully replaced a skid transformer, ensuring optimal solar field operation and efficiency.
Transformer Maintenance and Inspection
Location: Double Black Diamond, Illinois, US.
Performed activities:
– Conducted comprehensive maintenance and inspection of 33 inverters
– Replaced critical components, including:
– HV and LV Bushings
– Static shields
– Pressure gauges
– Pressure relief valves (PRV)
– Ensured meticulous attention to detail and quality, resulting in successful project completion
– Verified inverters operation at optimal performance and reliability levels.
Other Relevant Works
Transformer Inspection and Repair
- 80MVA Transformer inspection
- Leak correction
- Thermo-vacuum oil treatment
Transformer Maintenance
- Replaced HV bushings on 80 transformers in California and 80 transformers in Nevada:
- Cut and repaired the roof
- Replaced 6 HV bushings
- Installed a new flexible jumper
- Conducted transformer testing (TTR, DGA, IRT)
- Installed a hinged door on the roof