Field Performance
Proven Results. Real Installations. Measurable Impact.
DryTrans technologies are operating in transformers and OLTC systems worldwide, delivering continuous moisture reduction and long-term insulation life improvement.
Continuous
Moisture Reduction
Improved Dielectric
Performance
Extended Asset Life
& Reliability
In-Service
No Shutdown
Featured Case Studies
Power Transformer
Taiwan
220 MVA Generator Transformer
Voltage Class
161 / 23 kV
Oil Volume
28,000 L
Product
MMS90
Installed
May 2022
Challenge
High moisture content with rebound after periodic filtration. Increasing Relative Saturation (RS%) trend.
Results
Moisture (ppm)
Reduced by 68%
RS% (at 30°C)
Reduced from 78% to 42%
Utility Installation
Singapore
150 MVA Power Transformer
Voltage Class
66 / 11 kV
Oil Volume
18,000 L
Product
TR50
Installed
Aug 2021
Challenge
Moisture ingress due to high ambient humidity and seasonal variations causing high RS%.
Results
RS% Reduction
From 81% to 38%
BDV Improvement
+32%
OLTC System
India
132 kV OLTC System
Application
OLTC
Oil Volume
1,200 L
Product
TRTC
Installed
Jan 2023
Challenge
OLTC oil moisture was exceeding recommended limits leading to contact wear concerns.
Results
Moisture (ppm)
Reduced by 71%
OLTC Operation
Smoother & More Reliable
Impact That Matters
40–75%
Moisture Reduction Achieved
20–40%
Improvement in Dielectric Strength
Extended
Transformer & OLTC Service Life
100%
Online Operation (No Shutdown)
Lower
Maintenance Cost / Unplanned Outages
Improved
Reliability & Asset Performance
“Since installing DryTrans MMS90, our transformer moisture levels have stabilized significantly. The system works continuously without any impact on operations.”
— Senior Engineer, Major Utility, Taiwan
Trusted by Utilities
and Industries Worldwide
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Uploaded Documents
Case study reports and field documentation from recent installations.
