能源之星--6级能效标准

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能源之星--6级能效标准

The US Department of Energy has a proposition on the table to move external power adapter requirements to Level VI efficiency. The final announcement is expected this summer which will give a very short lead-time to July 2013 requirement date.

Bulletin No: 120322-01  

Bulletin Title:   Requirement Effective: July 1, 2013  Summary Description:  

The US Department of Energy (DoE) issued a Notice of Proposed Rulemaking (NOPR) detailing a regulation on “Energy Conservation Standards for Battery Chargers and External Power Supplies”. Within this NOPR, is a plan that would either create limits, or set tighter limits on the efficiency of consumer, commercial, and industrial products that include battery charging systems (BCS) and/or external power supplies (EPS). Any product in scope of the regulation that charges a battery and/or has an EPS would be impacted. The regulation includes provisions for labeling of product, and will most likely require online registration of products with DoE. The likely effective date is July 1, 2013.  Detailed Description:  External Power Supplies:  

Efficiency levels for EPS are defined in Table 1. Additionally EPS products would need to be labeled with the Roman Numeral VI.  

Table 1: Proposed Energy Conservation Standards for Direct Operation External Power Supplies

AC-DC, Basic-Voltage External Power Supply

Nameplate Output Power (Pout) 0 to ≤ 1 watt > 1 to ≤ 49 watts > 49 watts to ≤ 250

watts > 250 watts

Minimum Average Efficiency in Active

Mode (expressed as a decimal)

≥ 0.5 * Pout + 0.16

≥ 0.071 * ln(Pout) - 0.0014 * Pout +0.67

≥ 0.880 0.875

Maximum Power in No-Load Mode [W]

≤ 0.100 ≤ 0.100 ≤ 0.210 ≤ 0.500

能源之星--6级能效标准

AC-DC, Low-Voltage (<6V) External Power Supply

Nameplate Output Power (Pout) 0 to ≤ 1 watt > 1 to ≤ 49 watts > 49 watts to ≤ 250

watts > 250 watts

Minimum Average Efficiency in Active

Mode (expressed as a decimal) ≥ 0.517 * Pout + 0.087

≥ 0.0834 * ln(Pout) - 0.0014 * Pout + 0.609

≥ 0.870 0.875

Maximum Power in No-Load Mode [W]

≤ 0.100 ≤ 0.100 ≤ 0.210 ≤ 0.500

AC-AC, Basic-Voltage External Power Supply

Nameplate Output Power (Pout) 0 to ≤ 1 watt > 1 to ≤ 49 watts > 49 watts to ≤ 250

watts > 250 watts

Minimum Average Efficiency in Active

Mode (expressed as a decimal)

≥ 0.5 * Pout + 0.16

≥ 0.071 * ln(Pout) - 0.0014 * Pout +0.67

≥ 0.880 0.875

Maximum Power in No-Load Mode [W]

≤ 0.210 ≤ 0.210 ≤ 0.210 ≤ 0.500

AC-AC, Low-Voltage (<6V) External Power Supply

Nameplate Output Power (Pout) 0 to ≤ 1 watt > 1 to ≤ 49 watts > 49 watts to ≤ 250

watts > 250 watts

Minimum Average Efficiency in Active

Mode (expressed as a decimal) ≥ 0.517 * Pout + 0.087

≥ 0.0834 * ln(Pout) - 0.0014 * Pout + 0.609

≥ 0.870 0.875

Maximum Power in No-Load Mode [W]

≤ 0.210 ≤ 0.210 ≤ 0.210 ≤ 0.500

Multiple-Voltage External Power Supply

Nameplate Output Power (Pout) 0 to ≤ 1 watt

Minimum Average Efficiency in Active

Mode (expressed as a decimal) ≥ 0.497 × Pout + 0.067

Maximum Power in No-Load Mode [W]

≤ 0.300

能源之星--6级能效标准

> 1 to ≤ 49 watts > 49 watts

≥ 0.075 × ln (Pout) + 0.561

≥ 0.860

≤ 0.300 ≤ 0.300

Battery Chargers:  

Battery Chargers are classified in Table 2. Table 2 also shows the regulated Unit Energy Consumption (UEC) for each product class.  

Table 2. Proposed Energy Conservation Standards for Battery Chargers  

Input / Output Type

Battery Energy (Wh)

Product Class # 1 2

Special Characteristic or

Battery Voltage Inductive Connection*

< 4 V

Maximum UEC***

(kWh/yr) 3.04

= 0.2095(Ebatt**) + 5.87 For Ebatt < 9.74 Wh,

3

< 100

4 – 10 V

= 4.68 For Ebatt ≥ 9.74 Wh, = 0.0933(Ebatt) + 3.77 For Ebatt < 9.71 Wh,

4

AC In, DC Out

> 10 V

= 9.03 For Ebatt ≥ 9.71 Wh, = 0.2411(Ebatt) + 6.69 For Ebatt < 355.18 Wh,

5 < 20 V

= 20.06

For Ebatt ≥ 355.18 Wh, = 0.0219(Ebatt) + 12.28 For Ebatt < 239.48 Wh

100–3000

6 ≥ 20 V

= 30.37 For Ebatt ≥ 239.48 Wh = 0.0495(Ebatt) + 18.51

7 8 9 10a

DC In, DC Out AC In, AC Out

> 3000 - - -

- < 9 V Input ≥ 9 V Input Basic (i.e. no Automatic Voltage Regulation)

= 0.502(Ebatt) + 4.53

0.66 No Standard For Ebatt < 37.2 Wh, = 2.54For Ebatt ≥ 37.2 Wh, =

能源之星--6级能效标准

0.0733(Ebatt) – 0.18

Contains Automatic Voltage

Regulation

Wireless Charging Capability (for dry environments)

For Ebatt < 37.2 Wh, = 6.18For Ebatt ≥ 37.2 Wh, = 0.0733(Ebatt) + 3.45

Reserved

10b -

11

AC In, DC Out

< 100 Wh

* Inductive connection and designed for use in a wet environment (e.g. electric toothbrushes) **Ebatt = Measured battery energy as determined in section 5.6 of Appendix Y to Subpart B of Part 430.

***UEC can be determined using the information in the ANNEX of this bulletin.

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