Table 1-Energy Conservation Standards for Certain Compressors
Equipment class | Minimum package isentropic efficiency | [ETA]Regr (package isentropic efficiency reference curve) | d (percentage loss reduction) |
Rotary, lubricated, air-cooled, fixed-speed compressor | [ETA]Regr + (1 - [ETA]Regr) * (d/100) | -0.00928 * ln2(.4719 * V1) + 0.13911 * ln(.4719 * V1) + 0.27110 | -15 |
Rotary, lubricated, air-cooled, variable-speed compressor | [ETA]Regr + (1 - [ETA]Regr) * (d/100) | -0.01549 * ln2(.4719 * V1) + 0.21573 * ln(.4719 * V1) + 0.00905 | -10 |
Rotary, lubricated, liquid-cooled, fixed-speed compressor | .02349 + [ETA]Regr + (1 - [ETA]Regr) * (d/100) | -0.00928 * ln2(.4719 * V1) + 0.13911 * ln(.4719 * V1) + 0.27110 | -15 |
Rotary, lubricated, liquid-cooled, variable-speed compressor | .02349 + [ETA]Regr + (1 - [ETA]Regr) * (d/100) | -0.01549 * ln2(.4719 * V1) + 0.21573 * ln(.4719 * V1) + 0.00905 | -15 |
10 C.F.R. §431.345