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EN 13201-5:2015

Road lighting - Part 5: Energy performance indicators

прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ EN 13201-5: 2016
(EN 13201-5:2015, IDT)

Вуличне освітлення. Частина 5. Показники енергетичної ефективності.

Копію цього стандарту можна отримати
у Національному фонді нормативних документів

З наданням чинності від 2016-09-01

EN13201-5

December 2015

EUROPEAN STANDARD

NORME EUROPEENNE

EUROPAISCHE NORM

ICS 93.080.40

English Version

Road lighting - Part 5: Energy performance indicators

Eclairage public - Partie 5: Indicateurs de performance StraRenbeleuchtung - Teil 5:

energetique Energieeffizienzindikatoren

This European Standard was approved by CEN on 6 June 2015.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION

СОМІТЁ EUROPEEN DE NORMALISATION
EUROPAISCHES KOMITEE FUR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Contents Page

European foreword 4

Introduction 5

  1. Scope 6

  2. N ormative references 6

  3. Terms, definitions, symbols and abbreviations 6

    1. Termsand definitions 6

    2. Symbols and abbreviations 7

  4. Power Density Indicator (PD1) 9

    1. Calculation of the power density indicator 9

    2. Average horizontal illuminance to be used for calculation of the power density indicator 9

    3. System power (P) to be used for calculation of the power density indicator 10

    4. Area (A) to be used for calculation of the power density indicator 11

  5. Annual Energy Consumption Indicator (AEG) 11

  1. (informative) Examples of calculation and typical values of energy performance indicators 13

A.l Examples of operational profiles 13

A.1.1 General 13

A.1.2 Full power operation 13

A.1.3 Multi-power operation 14

A.1.4 Operation with vehicle and presence detectors 14

A.2 Example of calculation 15

A.3 Typical values of energy performance indicators 16

A.3.1 General 16

A.3.2 Two-lane road for motorized traffic (road profile A) 17

A.3.3 Road with mixed motorized and pedestrian traffic without sidewalks (road profile B) 18

A.3.4 Road and sidewalk on the side of lighting arrangement (road profile C) 19

A.3.5 Road and sidewalk on the opposite side to the lighting arrangement (road profile D) 20

A.3.6 Road and two sidewalks on both sides (road profile E) 21

A.3.7 Road and two sidewalks on both sides separated from carriageway by grass strips (road profile F) 22

A.3.8 Typical values of AEG for different operational profiles 22

  1. (informative) Installation luminous efficacy 24

  1. General 24

  2. Calculation of the correction factor 24

  3. Calculation of the utilance 2 5

  4. Calculation of the efficiency of luminaires 2 5

  1. (informative) Lighting factor of an installation 26

C.l Installation lighting factor Qinst 26

C.2 Role of Qinst in road lighting design aimed at energy saving 26

C.3 Typical values of qmst 26

  1. (informative) Presentation of energy performance indicators 27

Bibliography 28European foreword

This document (EN 13201-5:2015) has been prepared by Technical Committee CEN/TC 169 "Light and lighting", the secretariat of which is held by DIN.

This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2016 and conflicting national standards shall be withdrawn at the latest by June 2016.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

EN 13201, Road lighting is a series of documents that consists of the following parts:

  • Part 1: Guidelines on selection of lighting classes [T echnical Report];

  • Part 2: Performance requirements;

  • Part 3: Calculation of performance;

  • Part 4: Methods of measuring lighting performance;

  • Part 5: Energy performance indicators [present document].

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Introduction

The purpose of this European Standard is to define energy performance indicators for road lighting installations. The standard introduces two metrics, the power density indicator (PD1) DP and the annual energy consumption indicator (AECI) De that should always be used together.

To quantify the potential savings obtainable from improved energy performance and reduced environmental impact, it is essential to calculate both the power density indicator (DP) and the annual energy consumption indicator (De). In addition, the installation luminous efficacy (ijinst) can be used for comparing the energy performances of alternative road lighting installations.

Careful choice of lighting class(es) during the design and specification phase will help to maximize energy savings by ensuring only the necessary levels of illumination provided at the correct times and for the minimum periods necessary. Additional guidance is given in the CEN/TR 13201-1 with regard to the visual needs of road users, e.g. under varying traffic volumes during certain times of night or under varying weather conditions.

During the design phase of a road lighting installation care should be taken to ensure that the design criteria specified in EN 13201-2 are achieved but that excess overlighting is reduced to the minimum technically obtainable. Overlighting can be minimized by the careful selection of the luminaire and light source but the specified lighting class, the designed lighting point spacing and uniformity ratios are all determining factors of the luminous flux emitted by the light source and thus the power of the light source required. However, this precise luminous flux may not, in reality, exist. Where the luminous flux of the light source is greater than that required the designer can by means of continuously variable control gear, compensate for this effect by reducing the luminous flux of the light source to the required level resulting in lower energy consumption. The same principles and control gear can be used to compensate for changes in luminous flux emitted throughout the lifetime of the light sources.

The energy levels calculated using this standard should not be used as a direct input for the calculation of the load on the electrical distribution system. Such calculations are normally based on the energy requirement derived directly from the lighting and electrical design.

Examples of operational profiles and examples of calculation of the energy performance indicators are provided in Annex A. Typical values of energy performance indicators are provided to illustrate the energy performance of recent technological level of luminaires and installations.

Annex В introduces the installation luminous efficacy and its factors as a measure of the influence of various light losses and other parameters.

Lighting factor of an installation, as introduced in Annex C, can be additionally used to characterize the energy performance of road lighting installations independently on the lighting components used. Other factors and parameters having influence to the energy performance, such as the maintenance factor (see CIE 154), can be recognized but are not dealt with in this standard.

  1. Recommendations on presentation of the energy performance indicators are provided in Annex D.Scope

This part of the European Standard defines how to calculate the energy performance indicators for road lighting installations using the calculated power density indicator (PDI) Dp and the calculated annual energy consumption indicator (AECI) De. Power density indicator (Dp) demonstrates the energy needed for a road lighting installation, while it is fulfilling the relevant lighting requirements specified in EN 13201-2. The annual energy consumption indicator (De) determines the power consumption during the year, even if the relevant lighting requirements change during the night or seasons.

These indicators may be used to compare the energy performance of different road lighting solutions and technologies for the same road lighting project. The energy performance of road lighting systems with different road geometries or different lighting requirements cannot be compared to each other directly, as the energy performance is influenced by, amongst others, the geometry of the area to be lit, as well as the lighting requirements. The power density indicator (Dp) and annual energy consumption indicator (De) apply for all traffic areas covered by the series of lighting classes M, C and P as defined in EN 13201-2.

  1. Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

EN 12665:2011, Light and lighting — Basic terms and criteria for specifying lighting requirements

EN 13201-2, Road lighting — Part 2: Performance requirements

EN 13201-3:2015, Road lighting — Part3: Calculation of performance

  1. Terms, definitions, symbols and abbreviations

    1. Terms and definitions

For the purposes of this document, the terms and definitions given in EN 12665:2011 and the following apply-

system power (of a lighting installation in a given state of operation)

P

total power of the road lighting installation needed to fulfil the required lighting classes as specified in EN 13201-2 in all the relevant sub-areas, and to operate and control the lighting installation (unit: W)

    power density indicator PDI (of a lighting installation in a given state of operation)

    DP

    value of the system power divided by the value of the product of the surface area to be lit and the calculated maintained average illuminance value on this area according to EN 13201-3 (unit: W-lx^-nr2)

      annual energy consumption indicator AECI (of a lighting installation in a specific year) De

      total electrical energy consumed by a lighting installation day and night throughout a specific year in

      proportion to the total area to be illuminated by the lighting installation (unit: Wh-nr2)

        installation luminous efficacy

        l/inst

        minimum luminous flux needed to provide the minimum lighting level for the specified area divided by the total average power consumption of the lighting installation (unit: Im-W1)

          constant light output CLO (of a road lighting installation)

          regulation of the road lighting installation aiming at providing a constant light output from the light sources

          Note 1 to entry: This functionality aims to compensate for the light loss caused by ageing of the light sources.

            installation lighting factor

            Qinst

            dimensionless factor accounting for the relation of the calculated average maintained luminance of road surface over the calculated average maintained horizontal illuminance on this surface and the average luminance coefficient of the r-table adopted in luminance calculation

            1. Symbols and abbreviations

            Table 1 — Symbols and abbreviations

            Symbol or abbreviation

            Name or description

            Unit

            A

            Area to be lit

            m2

            Afl

            Area of the left sidewalk

            m2

            Afr

            Area of the right sidewalk

            m2

            Ar

            Area of the carriageway

            m2

            AECI

            Annual Energy Consumption Indicator


            CL

            Correction factor for luminance or hemispherical illuminance based lighting designs


            Cop

            Lighting operation coefficient


            CLO

            Constant Light Output


            Dr

            Annual energy consumption indicator (AECI)

            Wh-nr2

            DP

            Power density indicator (PDI)

            W-lx-i-nr2

            Ё

            Average maintained horizontal illuminance

            lx

            Cfl

            Calculated maintained illuminance on the left sidewalk

            lx

            Cfr

            Calculated maintained illuminance on the right sidewalk

            lx

            Symbol or abbreviation

            Name or description

            Unit

            Ehs

            Hemispherical illuminance

            lx

            £m,n

            Minimum required average illuminance

            lx

            er

            Calculated maintained illuminance on the carriageway

            lx

            EIR

            Edge Illuminance Ratio


            Overall maintenance factor (MF) of the lighting installation


            &red

            Reduction coefficient for the reduced level illumination


            L

            Average maintained luminance

            cdmz

            Лпіп

            Minimum required average luminance

            cd-nr2

            LOR

            Light Output Ratio


            m

            Number of operation time periods for different levels of operational power P


            MF

            Maintenance Factor


            n

            Number of sub-areas to be lit


            Пір

            Number of light points associated with the lighting installation or the representative section


            p

            System power of all the luminaires designed to lit the relevant area

            w

            Pad

            Total active power of any devices not considered in the operational power P but necessary for operation of the road lighting installation

            w

            Pf

            System power of the luminaire designed for illumination of the sidewalk

            w

            Pls

            Power of lamp(s) inside the luminaire

            w

            Pr

            System power of the luminaire designed for illumination of the carriegeway

            w

            PDI

            Power Density Indicator


            Rlo

            Optical efficiency of luminaires (LOR) used in the lighting installation


            Qinst

            Lighting factor of an installation


            Qo

            Average luminance coefficient

            sr1

            t

            Duration of the operation time for a particular system power P over a year

            h

            tfull

            Annual operation time of the full level illumination

            h

            tred

            Annual operation time of the reduced level illumination

            h

            и

            Utilance of the lighting installation


            Фа

            Luminous flux reaching the area to be illuminated

            Im

            Фк

            Luminous flux emitted from the light source(s) in a luminaire

            Im

            tynst

            Installation luminous efficacy

            Im-W-i

            'Jis

            Luminous efficacy of the light sources used in the installation

            Im-W1

            Лій

            Number of luminaires considered in the calculation


            IJP

            Power efficiency of luminaires used in the lighting installation


            1. Power Density Indicator (PDI)

              1. Calculation of the power density indicator

            Power density indicator for an area divided into sub-areas for a given state of operation shall be calculated with the following formula:

            ~ P

            (1]

            j=l

            where

            Dp is the power density indicator, W-lx^-nr2;

            P is the system power of the lighting installation used to light the relevant areas (see 4.3], in W;

            £, is the maintained average horizontal illuminance of the sub-area "i" determined in accordance with 4.2, in lx;

            Ai is the size of the sub-area "i" lit by the lighting installation, in m2;

            n is the number of sub-areas to be lit.

            If the required lighting class changes during the night and/or through the seasons (for example reductions in lighting class due to decreased traffic density, changes in the visual environment or other relevant parameters], the power density (Dp) should be calculated separately for each of the lighting classes. Alternatively, where multiple lighting classes are used during the night or year the power density (Dp) may be calculated as an average over this period. The calculation shall clearly indicate the assumptions used for calculation of the power density (Dp) and how this value was evaluated.