XD Electric 55MVA Autotransformer from China

XD 55MVA three-winding autotransformer with common oil compartment, 500/220/35kV for bulk power delivery. HTS 8504.23.00 due to liquid dielectric and enormous power handling capacity over 10,000 kVA.

Duty Rate — China → United States

36.6%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Import Tips

Autotransformer impedance calculations unique; provide detailed equivalent circuit

Dual voltage bushing arrangements require specific identification on drawings

Multi-compartment oil processing records for inter-winding barriers