LED vs HPS lighting comparison: efficacy (130-180 lm/W vs 80-140 lm/W), CRI (80+ vs 20-25), lifespan (50,000h L70 vs 24,…
| 对比维度 | 选项A | 选项B | 优胜 |
|---|---|---|---|
| Efficacy | 130-180 lm/W | 80-140 lm/W | LED (30-60% more efficient) |
| CRI (Color Rendering) | 80+ Ra | 20-25 Ra (monochromatic orange) | LED (3-4× better) |
| Lifespan (L70) | 50,000-100,000 hours | 15,000-24,000 hours | LED (3-5× longer) |
| Warm-up Time | Instant on | 3-5 minutes to full brightness | LED (instant) |
| CCT Options | 2200K-6500K full range | 2000-2200K only (yellow-orange) | LED (full spectrum) |
| Dimming | 0-10V / DALI (0-100%) | Limited (special ballast, 50-100%) | LED (full dimming) |
| 5-Year TCO (100 fixtures) | $12,000-22,000 | $28,000-45,000 | LED (50-60% savings) |
| Best Applications Today | Streetlight, area, warehouse, all new installs | Legacy: existing street/area lights being phased out | LED (new standard) |
LED在每个可测量维度均优于HPS：能效高30-60%、寿命长3-5倍、显色性大幅提升(CRI 80+ vs 20-25)、即开即亮、全色温可选。HPS在新安装中已实质淘汰——多数市政和工业设施正积极用LED替换HPS。LED的5年TCO优势达50-60%。现有HPS灯具可通过LED改造套件或整体替换，ROI均在1-3年内。