[Federal Register Volume 71, Number 199 (Monday, October 16, 2006)]
[Rules and Regulations]
[Pages 60662-60663]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E6-16998]


=======================================================================
-----------------------------------------------------------------------

DEPARTMENT OF ENERGY

Office of Energy Efficiency and Renewable Energy

10 CFR Part 431

[Docket No. EE-TP-98-550]
RIN 1904-AA85


Energy Conservation Program: Test Procedures for Distribution 
Transformers; Correction

AGENCY: Office of Energy Efficiency and Renewable Energy, Department of 
Energy.

ACTION: Final rule; technical corrections.

-----------------------------------------------------------------------

SUMMARY: The Department of Energy (DOE or the Department) published a 
final rule on April 27, 2006, amending Part 431 to prescribe test 
procedures and other provisions for distribution transformers, pursuant 
to sections 323(b)(10) and 346(a) of the Energy Policy and Conservation 
Act, as amended. (42 U.S.C. 6293(b)(10) and 6317(a)) This document 
corrects three typographical errors in the final rule.

DATES: This correction is effective October 16, 2006.

FOR FURTHER INFORMATION CONTACT: Antonio Bouza, U.S. Department of 
Energy, Energy Efficiency and Renewable Energy, Building Technologies 
Program, EE-2J, 1000 Independence Avenue, SW., Washington, DC 20585-
0121, (202) 586-4563, e-mail: [email protected].
    Francine Pinto, Esq., U.S. Department of Energy, Office of General 
Counsel, GC-72, 1000 Independence Avenue, SW., Washington, DC 20585-
0121, (202) 586-9507, e-mail: [email protected].

SUPPLEMENTARY INFORMATION: The final rule that is the subject of this 
correction document established (1) Test procedures for measuring the 
energy efficiency of distribution transformers, (2) definitions to 
delineate the products covered by the test procedures, (3) provisions 
manufacturers must use to implement the test procedures, (4) 
calculation methods for determining the efficiency of distribution 
transformers, and (5) enforcement provisions for this equipment. 71 FR 
24971 (April 27, 2006).

Need for Corrections

    As published in the final rule, the definition for the term 
``excitation current'' which can also be referred to as ``no-load 
current'' contains a typographical error that may prove to be 
misleading, and needs to be corrected. In the final rule, the 
conjunction ``or'' appearing between the terms ``excitation current'' 
and ``no-load current'' was italicized, such that the two terms 
excitation current and no-load current appeared as one continuous 
phrase (i.e., excitation current or no-load current). The Department is 
concerned that the italicization of the word ``or'' may lead to 
confusion about the defined term. This technical correction document 
removes the italicization of the word ``or.'' The remainder of the 
definition (i.e., ``means the current that flows in any winding used to 
excite the transformer when all other windings are open-circuited'') 
was correct in the final rule and is not amended by this technical 
correction.
    In a comment submitted after the publication of the final rule, 
NEMA brought to the Department's attention two typographical errors 
that have an impact on the calculation of distribution transformer 
efficiency and must be corrected. (NEMA, No. 61 at p. 1) In the final 
rule notice, Equation 5-1 was given as:
[GRAPHIC] [TIFF OMITTED] TR16OC06.009

And an explanation of one of the terms in equation 5-1, Pos, 
was given as follows:
    Pos is the specified energy efficiency load level, 
where, Pos = PorL2, and
    NEMA determined that there are typographical errors in both 
equation 5-1 and the explanation of the term Pos. The 
Department carefully reviewed this comment, and agrees with NEMA's 
determination. In equation 5-1, the quantity contained in the square 
brackets should be squared (i.e., raised to the second power). In the 
explanation of the term Pos, the variable represented by the 
letter ``L'' should not be squared. These errors were present in the 
Department's previous supplemental notice of proposed rulemaking for 
this test procedure (69 FR 45532), but were not identified at that 
time.
    Today's technical correction document amends equation 5-1, raising 
the contents of the square brackets to the second power, so the 
corrected equation reads as follows:
[GRAPHIC] [TIFF OMITTED] TR16OC06.010

    Similarly, this technical correction document amends the 
explanation of the term Pos to remove the square from the 
variable L, so the corrected equation reads as follows:
    Pos is the specified energy efficiency load level, where 
Pos = PorL, and

List of Subjects in 10 CFR Part 431

    Administrative practice and procedure, Distribution transformers, 
Energy conservation.

0
Accordingly, 10 CFR part 431 is amended by making the following 
technical corrections:

PART 431--ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND 
INDUSTRIAL EQUIPMENT

0
1. The authority citation for part 431 continues to read as follows:

    Authority: 42 U.S.C. 6291-6317.


0
2. In Sec.  431.192, revise the definition of ``excitation current'' to 
read as follows:


Sec.  431.192  Definitions.

* * * * *
    Excitation current or no-load current means the current that flows 
in any winding used to excite the transformer when all other windings 
are open-circuited.
* * * * *

0
3. In section 5.1 of Appendix A to Subpart K of Part 431, revise 
equation 5-1 and the explanation for the term Pos to read as 
follows:

Appendix A to Subpart K of Part 431--Uniform Test Method for Measuring 
the Energy Consumption of Distribution Transformers

* * * * *
5.1 Output Loading Level Adjustment.
* * * * *
[GRAPHIC] [TIFF OMITTED] TR16OC06.011

Where:
* * * * *
    Pos is the specified energy efficiency load level, 
where Pos = PorL, and
* * * * *


[[Page 60663]]


    Issued in Washington, DC, on October 2, 2006.
Alexander A. Karsner,
Assistant Secretary, Energy Efficiency and Renewable Energy.
[FR Doc. E6-16998 Filed 10-13-06; 8:45 am]
BILLING CODE 6450-01-P