Technical Parameters of Amorphous Alloy Transformer Core

(AT&M material)

1. Material:

Amorphous alloy ribbon 1K101-A1, AT&M, China

2. Operating Flux Density:

Typical Single Phase: 1.3-1.4 Tesla

Typical Three Phase: 1.25-1.35 Tesla

3. Core Space Factor:

Guaranteed Minimum: 86%

4. No-load Core Loss and Exciting Power (recommendation):

1) At the test condition of 1.3T, 50Hz, specific loss≤0.18W/kg; specific exciting power≤0.45VA/kg

2) At the test condition of 1.35T, 50Hz, specific loss≤0.20W/kg; specific exciting power≤0.60VA/kg

3) The no-load loss and exciting power of the three phase-three column entire core will be design according to condition of the core.

5. Core Design Standards (see the below Fig.):

1) Ribbon width(the only specification):142mm,170mm

2) Window height(A):180~2000mm;tolerance:+3/-0mm;

3) Window width(B):55~1500mm;tolerance:+3/-0mm

4) Core build(C):0~300mm;maximum

5) Joint build(E):C x 1.11~1.25mm;

6) Window radius(R):6.4+/-1.5mm;

7) Outermost layer shearing length: not more than10000mm;

8) Epoxy resin is coated on the core surface, not more than 2mm each side. (according to the demand of customer)

9) Core width(D):≤Ribbon width+4mm >

Note: The special requirements, including the core structure of three-phase three-column, can be processed in accordance with the specific requirements of the design.