KS Series. Changsung Corp. -CSC-

Transcript

1 KS Series Changsung Corp. 1. General Information 2. Comparison in CSC products 3. DCB 4. Core loss 5. Design Example - Solar Inverter 6. Design Example UPS 7. Part List -CSC- 1

2 1. General Information (1) General Information KS Series Permeability(μ) 26, 40, 60 Coating Color Dark blue Bmax(G) 14,000 Curie Temp[ ] 500 Operating temp[ ] -40 to 150 OD BF [mm] 9.6~165 (2) Identification KS Permeability : 26μ, 40μ, 60μ OD Size : 27.0mm Available Size : 9.6 ~ 165mm KS Core 2

3 2. Comparison in CSC products s Coating Color Perm. (m I ) Bs (kg) Core Loss DC Bias Relative Cost Temp. Stability Curie Temp [ ] KS Core Dark Blue medium Better low good 500 MPP Gray lowest medium highest Best 450 High Flux Khaki lowest Best high Best 500 Sendust Black low good lowest good 500 Mega Flux Dark Brown medium Best low good 700 3

4 3. DCB Various Permeability ui a b c E KS E E

5 3. DCB 26μ (1) Comparison 26μ Oe Mega Flux 82% 68% 56% KS Core 70% 54% 42% SENDUST 53% 35% 25% (2) DCB Graph 5

6 3. DCB 40μ (1) Comparison 40μ Oe Mega Flux 81% 55% 38% KS Core 64% 42% 28% SENDUST 51% 29% 17% (2) DCB Graph 6

7 3. DCB 60μ (1) Comparison 60μ Oe Mega Flux 78% 59% 44% KS Core 61% 44% 33% SENDUST 50% 32% 22% (2) DCB Graph 7

8 4. Core loss -26μ (1) Comparison Unit : [mw/cc] 26μ Core Loss Core Loss Equation (P:mW/cc, MegaFlux P=B (9.918f f ) KS Core P=B (8.295f f ) SENDUST P=B (4.245f f ) (2) Core Loss Graph 8

9 4. Core loss -40μ (1) Comparison Unit : [mw/cc] 40μ Core Loss Core Loss Equation (P:mW/cc, MegaFlux P=B (9.667f f ) KS Core P=B (7.465f f ) SENDUST P=B (4.518f f ) (2) Core Loss Graph 9

10 4. Core loss -60μ (1) Comparison Unit : [mw/cc] 60μ Core Loss Core Loss Equation (P:mW/cc, MegaFlux P=B (8.874f f ) KS Core P=B (7.370f f ) SENDUST P=B (4.518f f ) (2) Core Loss Graph 10

11 5. Design Example Solar Inverter (1) Information Application : 9kW Solar Inverter AC Filter Inductor Switching Frequency : 17kHz I rms : 13A I peak : 21A ΔI : 6.3A Inductance : 11

12 5. Design Example Solar Inverter (1) Core Selection Same Core Size for L(21A)=700μH MegaFlux : CK KS : KS Sendust : CS (2) Wire & Winding (Same Core Size, Same Winding Factor) Core P/N Current Density Wire Size Wire Eff. Area Turns Wire Weight Winding Factor MegaFlux CK A/ mm2 Φ2.2 mm 3.80 mm g 38% KS KS A/ mm2 Φ1.95 mm 2.98 mm g 38% Sendust CS A/ mm2 Φ1.6 mm 2.01 mm g 38% 12

13 5. Design Example Solar Inverter (3) Inductance Core P/N Wire Size Turns L(0A) L(13A) L(21A) Spec=700μH min MegaFlux CK Φ2.2 mm 77 1,138μH 927μH 711μH KS KS Φ1.95 mm 99 1,254μH 940μH 705μH Sendust CS Φ1.6 mm 146 1,769μH 1,060μH 703μH (4) ΔT & Loss Core P/N Wire Size Turns ΔT Core Loss Copper Loss Total Loss MegaFlux CK Φ2.2 mm mΩ 23.0W 7.0W 30.0W KS KS Φ1.95 mm mΩ 11.5W 10.8W 22.3W Sendust CS Φ1.6 mm mΩ 2.80W 24.6W 27.5W 13

14 6. Design Example UPS (1) Information Application : 20KVA UPS Inductor Switching Frequency : 20kHz I rms : 24A I peak : 34A ΔI : 8.0A Inductance : 14

15 6. Design Example UPS (1) Core Selection Same Core Size for L(34A)=260μH MegaFlux : CK x 2pcs KS : KS x 2pcs Sendust : CS x 2pcs (2) Wire & Winding (Same Core Size, Same Winding Factor) Core P/N Stacking Current Density Wire Size Wire Eff. Area Turns Wire Weight Winding Factor MegaFlux KS Sendust CK pcs KS pcs CS pcs 3.90 A/ mm2 Φ2.80 mm 6.15 mm g 45% 5.10 A/ mm2 Φ2.45 mm 4.71 mm g 45% 7.40 A/ mm2 Φ2.03 mm 3.24 mm g 45% 15

16 6. Design Example UPS (3) Inductance MegaFlux KS Sendust Core P/N Stacking CK pcs KS pcs CS pcs Wire Size Turns L(0A) L(24A) L(34A) Spec=260μH min Φ2.80 mm μH 317μH 263μH Φ2.45 mm μH 322μH 263μH Φ2.03 mm μH 351μH 263μH (4) ΔT & Loss Core P/N Stacking Wire Size Turns ΔT Core Loss Copper Loss Total Loss MegaFlux KS Sendust CK pcs KS pcs CS pcs Φ2.80 mm mΩ 16.9W 8.0W 24.9W Φ2.45 mm mΩ 8.3W 13.0W 21.3W Φ2.03 mm mΩ 2.1W 30.0W 32.1W 16

17 7. Part List Toroidal Core P/N Before Finish Dimensions OD(mm) MAX ID(mm) MIN HT(mm) MAX After Finish Dimensions OD(mm) MAX ID(mm) MIN HT(mm) MAX Path length ( cm ) Cross Section Area ( cm2 ) AL value (nh/n 2 ) 026u 040μ 060u KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS KS

18 7. Part List Big Toroidal Core P/N Before Finish Dimensions OD(mm) MAX ID(mm) MIN HT(mm) MAX After Finish Dimensions OD(mm) MAX ID(mm) MIN HT(mm) MAX Path length ( cm ) Cross Section Area ( cm2 ) AL value (nh/n 2 ) 026u 040μ 060u KS KS KS KS KS KS KS KS KS

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