{"id":126043,"date":"2024-10-19T05:31:18","date_gmt":"2024-10-19T05:31:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-24-30499547-dc-2024\/"},"modified":"2024-10-24T23:17:31","modified_gmt":"2024-10-24T23:17:31","slug":"bsi-24-30499547-dc-2024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-24-30499547-dc-2024\/","title":{"rendered":"BSI 24\/30499547 DC 2024"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
6<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 3 Terms, definitions, symbols and abbreviated terms 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 3.2 Symbols <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 3.3 Abbreviated terms 4 Compliance with IEC 60364 series <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 5 PV array system configuration 5.1 General 5.1.1 Functional configuration of a PV system 5.1.2 PV system topologies <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 5.1.3 Array electrical diagrams <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 5.1.4 Use of PCE with multiple DC inputs 5.1.4.1 General 5.1.4.2 PCEs with DC-DC converters on the PV inputs 5.1.4.3 PCEs with multiple inputs internally connected together in the PCE 5.1.5 PV arrays using DCUs <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | 5.1.6 Series-parallel configuration 5.1.7 Batteries in systems <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | 5.1.8 Backfeed and reverse currents 5.1.9 Considerations due to prospective fault current conditions within a PV array 5.1.10 Considerations due to operating temperature <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 5.1.11 Performance issues <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | 5.1.12 Potential induced degradation 5.1.13 Corrosion 5.1.14 Mechanical design 5.1.14.1 General <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | 5.1.14.2 Thermal aspects 5.1.15 Mechanical loads on PV structures 5.1.15.1 General 5.1.15.2 Mounting structures 5.1.15.3 Wind 5.1.15.3.1 General <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | 5.1.15.3.2 Use outside of typical applications requiring further analysis 5.1.15.4 Material accumulation on PV array <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 6 Safety issues 6.1 General 6.2 Protection against electric shock 6.2.1 General 6.2.2 Protective measure: double or reinforced insulation 6.2.3 Protective measure: extra-low-voltage provided by SELV or PELV 6.3 Protection against thermal effects 6.3.1 General <\/td>\n<\/tr>\n | ||||||
44<\/td>\n | 6.3.2 Protection against fire caused by arcs 6.3.3 Protection against arc flash 6.4 Protection against the effects of insulation faults 6.4.1 General <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | 6.4.2 Segregation of PV circuits from other circuits 6.4.3 Earth fault detection and indication requirements 6.4.3.1 General 6.4.3.1.1 Overview <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | 6.4.3.1.2 Systems with more than one sub-array 6.4.3.1.3 Separated sub-arrays 6.4.3.1.4 Non-separated sub-arrays <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | 6.4.3.2 Array insulation resistance detection <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | 6.4.3.3 Shock hazard protection by a residual or earth current monitoring system 6.4.3.3.1 General 6.4.3.3.2 Provisions for reset 6.4.3.4 Fire hazard protection by a residual or earth current monitoring system <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | 6.4.3.5 Fire hazard protection by an overcurrent device in the PV array functional earthing path 6.4.3.6 Earth fault indication <\/td>\n<\/tr>\n | ||||||
51<\/td>\n | 6.5 Protection against overcurrent 6.5.1 General 6.5.2 Requirement for overcurrent protection <\/td>\n<\/tr>\n | ||||||
52<\/td>\n | 6.5.3 Requirements for overcurrent protection of circuits 6.5.3.1 Strings 6.5.3.2 Sub-arrays 6.5.3.3 Array <\/td>\n<\/tr>\n | ||||||
54<\/td>\n | 6.5.4 Overcurrent protection for PV systems connected to batteries <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | 6.5.5 Overcurrent protection location 6.6 Protection against effects of lightning and overvoltage 6.6.1 General <\/td>\n<\/tr>\n | ||||||
56<\/td>\n | 6.6.2 Protection against overvoltage 6.6.2.1 General 6.6.2.2 Risk assessment for lightning transient overvoltage <\/td>\n<\/tr>\n | ||||||
57<\/td>\n | 6.6.2.3 Surge protection devices (SPDs) 6.6.2.3.1 General 6.6.2.3.2 Surge protection devices (SPDs) DC 6.6.2.3.3 Surge protection devices (SPDs) information technology equipment 7 Selection and erection of electrical equipment 7.1 General <\/td>\n<\/tr>\n | ||||||
58<\/td>\n | 7.2 Component requirements 7.2.1 General 7.2.2 Current rating of PV circuits <\/td>\n<\/tr>\n | ||||||
59<\/td>\n | 7.2.3 PV modules 7.2.3.1 Operational conditions and external influences <\/td>\n<\/tr>\n | ||||||
60<\/td>\n | 7.2.3.2 Equipment class 7.2.3.3 Additional standards for PV modules 7.2.4 PV array and PV string combiner boxes 7.2.4.1 Environmental effects 7.2.4.2 Location of PV array and PV string combiner boxes <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | 7.2.5 Fuses 7.2.5.1 Accessibility 7.2.5.2 Fuse links 7.2.5.3 Fuse bases and fuse holders 7.2.6 Circuit breakers used for overcurrent protection <\/td>\n<\/tr>\n | ||||||
62<\/td>\n | 7.2.7 Isolation means and isolation means with breaking capabilities 7.2.7.1 General 7.2.7.2 Switch-disconnector <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | 7.2.7.3 Circuit breakers used for isolation 7.2.7.4 Isolation means with breaking capabilities incorporated in PCEs 7.2.7.4.1 General 7.2.7.4.2 Isolation means with breaking capabilities using electronics <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | 7.2.8 Cables 7.2.8.1 Size 7.2.8.1.1 General 7.2.8.1.2 Current carrying capacity (CCC) 7.2.8.2 Type <\/td>\n<\/tr>\n | ||||||
66<\/td>\n | 7.2.8.3 Erection method 7.2.9 Plugs, sockets and connectors in PV circuits <\/td>\n<\/tr>\n | ||||||
67<\/td>\n | 7.2.10 Wiring in combiner boxes 7.2.11 Bypass diodes 7.2.12 Blocking diodes <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | 7.2.13 Power conversion equipment (PCE) including DC conditioning units (DCUs) 7.3 Location and installation requirements 7.3.1 Isolation means 7.3.1.1 General <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | 7.3.1.2 Isolation means for power conversion equipment (PCE) <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | 7.3.2 Earthing and bonding arrangements 7.3.2.1 General 7.3.2.2 Bonding conductor size \u2013 separated systems <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | 7.3.2.3 Separate earth electrode 7.3.2.4 Equipotential bonding 7.3.2.4.1 General <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | 7.3.2.4.2 PV array bonding conductors 7.3.2.4.3 Functional earthing terminal of PV array 7.3.2.4.4 Functional earthing conductor of PV array 7.3.3 Wiring system 7.3.3.1 General <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | 7.3.3.2 Compliance with wiring standards 7.3.3.3 Wiring loops <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | 7.3.3.4 String wiring 7.3.3.5 Wiring of enclosures 7.3.3.6 Wiring identification <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | 8 Acceptance 9 Operation\/maintenance 10 Marking and documentation 10.1 Equipment marking 10.2 Requirements for signs 10.3 Identification of a PV installation 10.4 Labelling of PV array and PV string combiner boxes <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | 10.5 Labelling of isolation means 10.5.1 General 10.5.2 PV array isolation means with breaking capabilities 10.6 Warning sign for anti-PID equipment 10.7 Documentation <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | Annex A (informative) Examples of signs <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | Annex B (informative) Examples of system earthing configurations in PV arrays <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | Annex C (informative) Blocking diode C.1 General C.2 Use of blocking diodes to prevent overcurrent\/fault current in arrays C.3 Examples of blocking diode use in fault situations C.3.1 General C.3.2 Short circuit in PV string <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | C.4 Specification of blocking diode C.5 Heat dissipation design for blocking diode <\/td>\n<\/tr>\n | ||||||
88<\/td>\n | Annex D (informative) Arc fault detection and interruption in PV arrays <\/td>\n<\/tr>\n | ||||||
89<\/td>\n | Annex E (normative) DVC limits <\/td>\n<\/tr>\n | ||||||
90<\/td>\n | Annex F (normative) Determination of maximum voltage and maximum currents in PV circuits F.1 UOC MAX F.1.1 PV array maximum voltage <\/td>\n<\/tr>\n | ||||||
91<\/td>\n | F.1.2 PV strings constructed using DC conditioning units <\/td>\n<\/tr>\n | ||||||
92<\/td>\n | F.2 String maximum current F.3 Calculation of potential fault currents originating from the array F.3.1 General F.3.2 String F.3.3 Sub-array F.3.4 Array <\/td>\n<\/tr>\n | ||||||
93<\/td>\n | F.4 KI factor \u2013 general F.5 KCorr factor \u2013 under unique environmental conditions <\/td>\n<\/tr>\n | ||||||
94<\/td>\n | F.6 KCorr factor \u2013 non optimally oriented monofacial arrays F.7 KCorr factor \u2013 bifacial arrays <\/td>\n<\/tr>\n | ||||||
95<\/td>\n | F.8 KCorr factor \u2013 for arrays containing non-optimally oriented bifacial modules <\/td>\n<\/tr>\n | ||||||
96<\/td>\n | Annex G (normative) Backfeed current and PV reverse currents under fault conditions G.1 General G.2 Illustrated examples <\/td>\n<\/tr>\n | ||||||
98<\/td>\n | G.3 Backfeed currents and PV reverse currents where subarrays are not combined in the PCE <\/td>\n<\/tr>\n | ||||||
100<\/td>\n | Annex H (normative) Anti-PID H.1 General H.2 DC bias applied during night <\/td>\n<\/tr>\n | ||||||
101<\/td>\n | H.3 DC bias applied to array output <\/td>\n<\/tr>\n | ||||||
102<\/td>\n | H.4 DC bias applied to AC system <\/td>\n<\/tr>\n | ||||||
104<\/td>\n | Annex I (informative) Arc flash <\/td>\n<\/tr>\n | ||||||
105<\/td>\n | Annex J (normative) Qualification of DCU group voltage J.1 Overview J.2 Test 1: Maximum voltage operational test procedure J.3 Test 2: Overvoltage test <\/td>\n<\/tr>\n | ||||||
107<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" BS EN IEC 62548-1\/AMD1 Amendment 1. Photovoltaic (PV) arrays – Part 1. Design requirements<\/b><\/p>\n |