mΩ /m TMY 200 3(40×4)+1(40×4) 0.1119 250 3(40×4)+1(40×4) 0.1119 315 3(50×5)+1(50×5) 0.0728 400 3(63×6.3)+1(63×6.3) 0.0471 500 3(80×6.3)+1(63×6.3) 0.0383 630 3(80×8)+1(63×6.3) 0.031 800 3(100×8)+1(80×6.3) 0.0257 1000 3(125×10)+1(80×8) 0.0177 1250 3*2(100×10)+1(100× 10) 0.0109 1600 3*2(125×10)+1(125× 10) 0.0089 2000 3*2(125×10)+1(125× 10) 0.0089 变压器容 量KVA 母线规格 mm Rm D=150 D=250 D=350 mΩ /m mΩ /m mΩ