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ANSI C137.5-2021 American National Standard for Lighting Systems-Energy Reporting Requirements for Lighting Devices, 2021
- This is a new Standard and not a revision of a previous Standard.
- 1 Scope 1
- 2 References 2
- 2.1 Informative References 2
- 3 Definitions 2
- 3.1 Accepted Reference Value (ARV) 2
- 3.2 Accuracy 2
- 3.3 Confidence Interval 3
- 3.4 Energy Reporting Device (ERD). 3
- 3.5 Energy Reporting Device Aggregator (ERDA) 3
- 3.6 Measurement Uncertainty Limit 3
- 3.7 Precision 3
- 3.8 Trueness 4
- 3.9 Z-Distribution 4
- 4 General 4
- 5 Energy Reporting Device (ERD) 5
- 6 ERD Aggregator (ERDA) 7
- 1 Scope
- 2 References [Go to Page]
- 2.1 Informative References [Go to Page]
- ANSI C12.1 Electric Meters—Code for Electricity Metering
- ANSI C137.0 Lighting Systems—Lighting Systems Terms and Definitions
- ANSI C137.4 Lighting Systems—Digital Interface with Auxiliary Power
- EVO 10000-1 International Performance Measurement and Verification Protocol (IPMVP), Core Concepts
- EVO 10100-1 IPMVP, Uncertainty Assessment for IPMVP
- FEMP M&V Guidelines 4.0 Measurement and Verification for Performance-Based Contracts
- IEC 62052-11 Electricity metering equipment—General requirements, tests
- and test conditions—Part 11: Metering equipment
- IEC 62053-21 Electricity metering equipment (AC)—Particular requirements—
- Part 21: Static meters for active energy (classes 1 and 2)—
- Edition 1.1, Consolidated Reprint
- ANSI/IES RP-16 Nomenclature and Definitions for Illuminating Engineering
- ISO New England Inc. ISO New England Manual for Measurement and Verification of On-Peak Demand Resources and Seasonal Peak Demand Resources (Manual M- MVDR), Revision 7
- PJM Forward Market Operations
- PJM Manual 18B: Energy Efficiency Measurement & Verification,
- Revision 4
- Antonio Menditto, Marina Patriarca, and Bertil Magnusson, “Understanding the meaning of accuracy, trueness and precision,” Accred Qual Assur (2007), doi:10.1007/s00769-006-0191-z
- 3 Definitions [Go to Page]
- 3.1 Accepted Reference Value (ARV): value chosen as reference for quantifying performance characteristics.
- 3.2 Accuracy: closeness of agreement between a quantity value obtained by measurement and the true value of the measurand. (Source: BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML [1993] International vocabulary of basic and general terms in metrology [VIM...
- 3.3 Confidence Interval: numeric interval surrounding the estimated (measured) value that contains the true value with a specified probability.
- 3.4 Energy Reporting Device (ERD): device that measures and reports energy consumption.
- 3.5 Energy Reporting Device Aggregator (ERDA): A device or data management system that aggregates the energy data reported by ERDs.
- 3.6 Measurement Uncertainty Limit: limit value for the measurement uncertainty.
- 3.7 Precision: closeness of agreement between independent test results obtained under stipulated conditions.
- 3.8 Trueness: closeness of agreement between the average value obtained from a large series of test results and an accepted reference value.
- 3.9 Z-Distribution: a probability density function for a normal distribution that has a mean equal to zero and a standard deviation equal to one.
- 4 General [Go to Page]
- 4.1 Goals
- 4.2 Statistical Framework
- 5 Energy Reporting Device (ERD) [Go to Page]
- 5.1 Precision
- 5.2 Calibration
- 5.3 Reporting Reliability (Informative)
- 5.4 Classification [Go to Page]
- An ERD can be classified according to its qualitative energy reporting characteristics. A Class TE (total energy) ERD monitors and reports the total energy consumption from all attached loads including the self-consumption of the ERD and power convers...
- The classification of the ERD(s) shall be declared by the manufacturer in the product literature.
- 5.5 Reported Data [Go to Page]
- 5.5.1 Energy Consumption
- 5.5.2 Reporting Interval
- 5.5.3 Device Identification
- 5.5.4 Timestamping
- 6 ERD Aggregator (ERDA) [Go to Page]
- 6.1 Precision [Go to Page]
- 6.1.1 Complex ERDA
- 6.1.2 ERDA With Homogeneous ERD
- 6.2 Calibration (Informative)
- 6.3 Reporting Reliability
- 6.4 Reported Data [Go to Page]
- Annex A Notes (Informative) [Go to Page]
