Most buyers focus on the transformer tank, but the CRGO core is where the money leaks. If your core isn’t precision-engineered, you’re not selling a transformer; you’re selling a machine that wastes 20% more energy than it should.
The Technical Reality: Precision or Failure?
In high-voltage projects, a “cheap” core usually fails due to two hidden killers:
- Burr Heights > 0.05mm: These create localized short circuits between laminations, leading to catastrophic heat and gas evolution. We keep ours strictly under 0.02mm using precision tungsten carbide tooling.
- Poor Stacking Factor: A low stacking factor increases vibration and noise. Our multi-step-lap longitudinal and transverse shearing ensures a stacking factor of 0.97 or higher.
Proven Backing: From TBEA to Vietnam
There is a reason TBEA trusts our core processing for their critical projects. Our technology has been battle-tested in the Vietnam power grid, where our 110kV cores consistently deliver noise levels 5dB lower than the required standard—even in high-humidity environments.
Data-Driven Performance:
- Material: 23QG085 or 27Q110 high-permeability CRGO.
- Efficiency: Reduces no-load loss by 8%-15% compared to traditional miter joints.
- Reliability: Full step-lap design reduces magnetizing current by 20%-30%.
What is the specific iron loss (W/kg) limit your current 1600kVA project requires?
If you need a core that passes grid inspection the first time, contact me directly:
- Email: frank@chenfanelectric.com
- WhatsApp: +86 18617775005
- Zalo: +86 19801628861
- LINE: chenfan618
- Telegram: @Chenfan_Electric
- Official Website: https://chenfanelectric.com/