สำนักงานราชบัณฑิตยสภา

«“√ “√ √“™∫— ≥±‘ µ¬ ∂“π ªï ∑’Ë ÛÛ ©∫— ∫∑’Ë Ò ¡.§.-¡’ .§. ÚııÒ 117 µ“√“ß∑’Ë Ú ¡√√∂π–¢Õß«ß®√ÕÕ ´‘ ≈‡≈‡µÕ√å ·∫∫ªÑ Õπ°≈— ∫°√–· „π√Ÿ ª∑’Ë Û 1 Φ (lx) 40 45 50 55 60 65 70 2 V dc (V.DC ) 10.3 11.0 12.0 12.8 13.6 14.3 15.0 3 I in (A.DC ) 1.55 1.70 1.88 2.05 2.22 2.38 2.52 4 P in (W) 15.97 18.7 22.56 26.24 30.19 34.03 37.8 5 P l (W), ®“°µ“√“ß∑’Ë 1 9.4 10.4 11.5 12.6 13.75 15.0 16.67 6 η el = P l / P in (%) 58.9 55.6 51.0 48.0 45.5 44.1 44.1 7 η op = Φ / P in (lx/W) 2.50 2.41 2.22 2.10 1.99 1.91 1.85 8 f (kHz) 22.2 23.3 24.4 25.6 26.3 27.8 28.6 µ“√“ß∑’Ë Û ¡√√∂π–¢Õß«ß®√ÕÕ ´‘ ≈‡≈‡µÕ√å ·∫∫ªÑ Õπ°≈— ∫°√–· „π√Ÿ ª∑’Ë Ù 1 Φ (lx) 40 45 50 55 60 65 70 2 V dc (V.DC ) 11.2 11.5 11.9 12.0 12.3 12.5 13.0 3 I in (A.DC ) 1.15 1.25 1.42 1.65 1.81 2.02 2.20 4 P in (W) 12.88 14.38 16.90 19.80 22.26 25.25 28.60 5 P l (W), ®“°µ“√“ß∑’Ë 1 9.4 10.4 11.5 12.6 13.75 15.0 16.67 6 η el = P l / P in (%) 73.0 72.3 68.0 63.6 61.8 59.4 58.3 7 η op = Φ / P in (lx/W) 3.11 3.13 2.96 2.78 2.70 2.57 2.45 8 f (kHz) 12.5 12.8 13.5 13.9 14.7 15.2 15.9 ¡ß§≈ ‡¥™π§√‘ π∑√å