1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationData sheet and name plate forphotovoltaic invertersBS EN 50524:2009National forewordThis British Standard is the UK implementation of EN 50524:2009.The UK participation in its pr
2、eparation was entrusted to Technical CommitteeGEL/82, Solar photovoltaic energy systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for i
3、ts correct application. BSI 2010 ISBN 978 0 580 63340 9 ICS 27.160Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2010Amendments issued since publicat
4、ionAmd. No. Date Text affectedBRITISH STANDARDBS EN 50524:2009EUROPEAN STANDARD EN 50524 NORME EUROPENNE EUROPISCHE NORM July 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central
5、Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50524:2009 E ICS 27.160 English version Data sheet and name plate for photovoltaic inverters Fiche technique et plaque didentifi
6、cation pour les onduleurs photovoltaques Datenblatt- und Typschildangaben von Photovoltaik-Wechselrichtern This European Standard was approved by CENELEC on 2009-06-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe
7、an 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 Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (Engli
8、sh, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, B
9、elgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 5
10、0524:2009EN 50524:2009 - 2 - Foreword This European Standard was prepared by the Technical Committee CENELEC TC 82, Solar photovoltaic energy systems. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50524 on 2009-06-01. The following dates wer
11、e fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-06-01 _ BS EN 50524:2009- 3 - EN 50524:
12、2009 Contents 1 Scope . 4 2 Normative references 4 3 Terms . 4 3.1 Input side (PV - Generator) . 4 3.2 Output side (Grid connection) . 5 4 Data sheet information . 6 4.1 General 6 4.2 Short description. 6 4.3 Conformity . 6 4.4 Electrical parameters . 6 4.5 Characterization of the operating performa
13、nce . 6 4.6 Safety 8 4.7 Operating conditions . 8 4.8 Fitting and construction . 8 5 Details on the name plate 9 Bibliography 11 Figures Figure 1 Representation of the inverter efficiency . 7 Figure 2 Power reduction with increased ambient temperatures 8 Figure 3 Example for a name plate .10 BS EN 5
14、0524:2009EN 50524:2009 - 4 - 1 Scope This European Standard describes data sheet and name plate information for photovoltaic inverters in grid parallel operation. The intent of this document is to provide minimum information required to configure a safe and optimal system with photovoltaic inverters
15、. In this context, data sheet information is a technical description separate from the photovoltaic inverter. The name plate is a sign of durable construction at or in the photovoltaic inverter. The name plate may be inside the photovoltaic inverter only if the name plate is visible once a door is o
16、pened in normal use. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 60
17、529, Degrees of protection provided by enclosures (IP Code) (IEC 60529) EN 60664-1, Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests (IEC 60664-1) EN 61683, Photovoltaic systems - Power conditioners - Procedure for measuring efficiency (IE
18、C 61683) EN 62109-1 1), Safety of power converters for use in photovoltaic power systems - Part 1: General requirements (IEC 62109-11) IEC 60721-2-1, Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity IEC 62103, Electronics
19、equipment for use in power installations 3 Terms and definitions 3.1 Input side (PV - Generator) 3.1.1 maximum input voltage (Vdcmax) allowed maximum voltage at the inverter input 3.1.2 minimum input voltage (Vdcmin) minimum input voltage for the inverter to energize the utility grid, independent of
20、 mode of operation 3.1.3 start-up input voltage (Vdcstart) input voltage at which the inverter starts energizing the utility grid 1)At draft stage. BS EN 50524:2009- 5 - EN 50524:2009 3.1.4 rated input voltage (Vdc,r) input voltage specified by the manufacturer, to which other data sheet information
21、 refers 3.1.5 maximum MPP voltage (Vmppmax) maximum voltage at which the inverter can deliver its rated power 3.1.6 minimum MPP voltage (Vmppmin) minimum voltage at which the inverter can deliver its rated power 3.1.7 maximum input current (Idcmax) maximum current at which the inverter can operate.
22、If the inverter has multiple MPP inputs, Idcmaxis related to each single input 3.2 Output side (Grid connection) 3.2.1 maximum grid voltage (Vacmax) maximum voltage at which the inverter can energize the grid 3.2.2 minimum grid voltage (Vacmin) minimum voltage at which the inverter can energize the
23、grid 3.2.3 rated grid voltage (Vac,r) utility grid voltage to which other data sheet information refers 3.2.4 maximum output current (Iacmax) maximum output current that the inverter can deliver 3.2.5 rated power (Pac,r) the active power the inverter can deliver in continuous operation 3.2.6 rated f
24、requency (fr) utility grid frequency at which the inverter performs as specified 3.2.7 maximum frequency (fmax) maximum frequency at which the inverter can energize the grid 3.2.8 minimum frequency (fmin) minimum frequency at which the inverter can energize the grid 3.2.9 night-time power loss power
25、 loss of the inverter, which is supplied from the public grid, when no solar generator power is present 3.2.10 cosphi power factor at rated power Pac,r BS EN 50524:2009EN 50524:2009 - 6 - 4 Data sheet information 4.1 General Technical products are usually brought into the market with a documentation
26、 providing information to the user regarding the operating conditions and its intended purpose. A data sheet specifies a product to the extent that the contained data could be consulted for planning or dimensioning. The size and organization of the data sheet are left to the manufacturer. It is howe
27、ver recommendable to be limited to a double-side printed on DIN-A4 sheet whereby a topic-specific separation is favourable. 4.2 Short description In short the characteristics of the inverter are to be described. Special characteristics of the inverters can be mentioned. For better identification of
28、the equipment, its photo or its true design drawing should be included on the data sheet. The internal design of the inverter should be represented in clear way (e.g. by means of a block diagram). 4.3 Conformity The conformity to relevant norms and standards must be shown in the data sheet. 4.4 Elec
29、trical parameters The electrical parameters from 4.4.1 to 4.4.2 are to be regarded as minimum requirement for a professional system integration of an inverter. 4.4.1 The following parameters of the input side must be indicated: Vdcmax, Vdcmin, Vdcstart 2), Vdc,r, Vmppmax, Vmppmin, Idcmax, number of
30、independent MPP inputs (if applicable). NOTE 1 The maximum voltage of the connected solar generator is to be determined in individual cases from the planner. The maximum input voltage of the inverter may not be exceeded at any time. NOTE 2 The specification of maximum and minimum MPP voltage can als
31、o be indicated as ranges. 4.4.2 The following parameters of the output side must be indicated: Vacmax, Vacmin, Vac,r, Iacmax, Pac,r, fr, fmin, fmax, cosphiac,r. Additionally the number of phases to be connected at the output and the number of phases fed in have to be noted. NOTE The specification of
32、 the maximum and minimum output voltages and frequencies can also always be specified in each case as ranges If only one value is given, the default status at delivery has to be used. 4.5 Characterisation of the operating performance 4.5.1 The indication of the rated power (Pac,r) refers to the resp
33、ective rated values of the connected grid (e.g. 230 V/50 Hz). The rated power is given at the rated input voltage and the ambient temperature of (25 3) C. NOTE In addition of this, the ability of the inverter, to supply the rated power even at higher ambient temperatures can be started together with
34、 the time the inverter can supply this power (e.g. 2 h or unlimited). 2)The indication of the start-up input voltage is necessary only if the input voltage is used as switching on criterion for the inverter. BS EN 50524:2009- 7 - EN 50524:2009 4.5.2 Night-time power loss is to be specified. 4.5.3 Th
35、e operating efficiency has to be specified at least for the three input voltages (Vmppmax, Vdc,rand Vmppmin) in tabular form. A graphical representation is optional (example: Figure 1). In all cases the efficiency is referred to the standardized power output (Pac/Pac,r). Figure 1 Representation of t
36、he inverter efficiency Pacis output power at percentaged rated power (5 %, 10 %, 20 %, 25 %, 30 %, 50 %, 75 %, 100 %). As supplement to the EN 61683 additionally the value must be given at 20 % and 30 % of the rated power. 4.5.4 The computation of the European efficiency (weighted efficiency)EU is t
37、aken as the partial load efficiencies as indicated by (1) and the full load efficiency are weighted after the frequency of their occurrence. ()( )( )()( )()%100%50%30%20%10%52,048,01,013,006,003,0 +=EU(1) The partial efficiencies are to be determined at the rated input voltage of the inverter. NOTE
38、A standard on the efficiency is in consultation and will replace the definition of the EU given in this European Standard. 4.5.5 For the purpose of self-protection routines can be implemented into the inverter, which prevent a damage (current power temperature derating). Any self protection routine
39、that causes derating must be described in tabular or graphical form over the entire permitted operation range (see example in Figure 2). BS EN 50524:2009EN 50524:2009 - 8 - Figure 2 Power reduction with increased ambient temperatures 4.6 Safety The following data concerning the safety of inverters m
40、ust be contained in the data sheet: - safety class system according to IEC 62103; - data for galvanic separation (with or without transformer); - kind of integrated utility interface (indication of the sets of rules, regulations or laws: e.g. VDE V 0126-1-1) 4.7 Operating conditions The operating co
41、nditions for the inverters are differentiated as (unprotected in the open, protected in the open, air-conditioned in interiors, without air-condition in interiors). The degree of severity depends on the use of the inverter and is to be specified by the manufacturer. For inverters to be used in the o
42、utdoor the indication of the appropriate climatic class must be specified according to IEC 60721-2-1 by the manufacturer. Further data concerning the operating conditions of inverters should be contained in the data sheet: - rated range of the ambient temperature in which the inverter is to be opera
43、ted may be according to IEC 60721-2-1; - permissible maximum value for the relative humidity (non-condensing); - maximum noise emission, to be given if over 75 dB. 4.8 Fitting and construction 4.8.1 Physical characteristics - Degree of protection according to EN 60529; - Overvoltage category accordi
44、ng EN 60664-1; - Input and output side connection technology; - Number of input DC connectors (pairs) and number of input DC connectors per MPP input; - Physical dimensions (width, depth, height); - Weight. NOTE If applicable the type and manufacturer of the input and output connector are to be give
45、n. BS EN 50524:2009- 9 - EN 50524:2009 4.8.2 Other characteristics - Existing disconnecting device at the input side (if any); - Cooling principle (convection, forced cooling); - Name and address of the manufacturer and of market importer, if applicable. 5 Details on the name plate The following lis
46、t represents the minimum required information, which should be contained on a name plate for a photovoltaic inverter. Additional information can however be supplied by the manufacturer. The minimum requirements for the production of a name plate are according to EN 62109-1: - name and origin of the
47、manufacturer; - model or type name; - serial number; - electrical parameters: Vdcmax, Vmppmin, Vmppmax, Idcmax, Pac,r, Vac,r, fr, Iacmax; - degree of protection; - overvoltage category; - safety class. With the electrical parameters must be differentiated between input and output values. The arrange
48、ment on the name plate should be in such a way that a clear separation is recognizable. The provided data should contain the minimum necessary information, to be able to operate the inverter at a given grid without damage. This must not substitute the use of the operating instructions. The name plat
49、e (see example in Figure 3) and other inscriptions have to be attached durably on the inverter. All inscriptions must be written in English or in the national language or as understandable, standardized pictograms. The serial number of the product might be located outside of the name plate. In that case the serial number etiquette has to be fully visible around the name plate. BS EN 50524:2009EN 50524:2009 - 10 - Figure 3 Example for a name plate BS EN 50524:2009- 11 - EN 50524:2009 Bibliograph
