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GB/T 18802.31-2016 English PDF (GBT18802.31-2016)
GB/T 18802.31-2016 English PDF (GBT18802.31-2016)
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GB/T 18802.31-2016: Low-voltage surge protective devices -- Surge protective devices for specific application including d.c. -- Part 31: Requirements and tests for SPDs in photovoltaic applications
GB/T 18802.31-2016
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.240.10
K 30
Low-voltage surge protective devices - Surge
protective devices for specific application including
d.c. - Part 31. Requirements and tests for
SPDs in photovoltaic applications
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. SEPTEMBER 01, 2016
Issued by. General Administration of Quality Supervision Inspection and
Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 6
1 Scope ... 8
2 Normative references ... 9
3 Terms, definitions and abbreviations ... 10
3.1 Terms and definitions ... 10
3.2 Abbreviations ... 19
4 Conditions of use ... 20
4.1 Voltage ... 20
4.2 Air pressure and altitude... 20
4.3 Temperature ... 20
4.4 Humidity ... 21
5 Classification ... 21
5.1 SPD’s design type ... 21
5.2 Class I and class II tests for class 1 and class 2 SPD ... 21
5.3 Location of use ... 21
5.3.1 Indoors ... 21
5.3.2 Outdoor ... 22
5.4 Accessibility ... 22
5.4.1 Easily accessible ... 22
5.4.2 Not easily accessible ... 22
5.5 SPD disconnector (including over-current protection) ... 22
5.6 Degree of protection of enclosure ... 23
5.7 Temperature and humidity range ... 23
5.8 Multipole SPD... 23
5.9 Connection structure ... 23
5.10 SPD’s overload characteristic mode ... 25
6 Technical requirements ... 25
6.1 General requirements... 25
6.1.1 General ... 25
6.1.2 Identification ... 25
6.1.3 Markings ... 28
6.2 Electrical performance requirements ... 28
6.2.1 Protection against direct contact ... 28
6.2.2 Residual current IPE ... 29
6.2.3 Voltage protection level Up ... 29
6.2.5 Disconnector and status indicator ... 29
6.2.6 Insulation resistance ... 31
6.2.7 Dielectric strength ... 31
6.2.8 Continuous operating current (ICPV) ... 31
6.2.9 Total discharge current ITotal (for multipole SPD) ... 31
6.3 Mechanical performance requirements ... 31
6.3.1 Installation ... 31
6.3.2 Screws, current-carrying parts and connections ... 31
6.3.3 External connection ... 32
6.3.4 Electric clearance and creepage distance ... 32
6.3.5 Mechanical strength ... 32
6.4 Environmental and material requirements ... 32
6.4.1 General ... 32
6.4.2 Life test under damp heat conditions ... 33
6.4.3 Electromagnetic compatibility ... 33
6.5 Additional requirements for special SPD designs ... 33
6.5.1 One-port SPD with separate input and output terminals ... 33
6.5.2 Environmental test of outdoor SPD ... 34
6.5.3 SPD with separately-isolated circuit ... 34
6.6 Additional requirements that the manufacturer may claim ... 34
6.6.1 Maximum discharge current Imax ... 34
7 Type test ... 34
7.1 General ... 34
7.2 General test procedures ... 35
7.2.1 General ... 35
7.2.2 Impulse discharge current for class I additional load test ... 39
7.2.3 Impulse current for class I and class II residual voltage and action load tests
... 40
7.2.4 Impulse voltage for class I and class II discharge voltage tests ... 40
7.2.5 Characteristics of test power supply ... 41
7.3 Durability of marking ... 43
7.4 Electrical test ... 43
7.4.1 Test of prevention to direct contact ... 43
7.4.2 Residual current IPE ... 44
7.4.3 Qualification criteria for residual current ... 44
7.4.4 Determine the limiting voltage ... 45
7.4.5 Action load test ... 48
7.4.6 Safety performance of SPD’s disconnector and SPD overload ... 52
7.4.7 SPD’s overload performance test ... 53
7.4.8 Insulation resistance ... 57
7.4.9 Dielectric strength ... 59
7.5 Mechanical test ... 59
7.5.1 Verify electric clearance and creepage distance ... 59
7.5.2 Qualification judgment basis ... 60
7.6 Environmental and material test ... 63
7.6.1 Life test under damp heat conditions ... 63
7.6.2 Qualification criteria ... 64
7.7 Additional tests for special SPD designs ... 64
7.7.1 Two-port and one-port SPD test with separate input/output terminals ... 64
7.7.2 Environmental test of outdoor SPD ... 64
7.7.3 SPD of separately-isolated circuit ... 65
7.8 Additional tests for special performance ... 65
7.8.1 Total discharge current test of multipole SPD ... 65
8 Routine test and acceptance test ... 66
8.1 Routine test ... 66
8.2 Acceptance test ... 66
Appendix A (Normative) Test to determine if there is a switching element and
the size of follow current ... 67
A.1 Overview ... 67
A.2 Test to confirm the existence of switching (Crowbar type) component ... 67
A.3 Test to determine the size of follow current ... 67
Appendix B (Informative) Environmental test for outdoor SPD ... 69
B.1 Accelerated aging test of UV radiation ... 69
B.2 Water immersion test ... 69
B.3 Dielectric strength test ... 70
B.4 Temperature cycle test ... 71
B.5 Verification of corrosion resistance ... 71
Appendix C (Normative) Temperature rise limit ... 73
Appendix D (Informative) Transient characteristics of PV test power supply in
7.2.5.1 a) ... 75
D.1 Transient characteristics of PV test power supply in 7.2.5.1 a) ... 75
D.2 Test setup for using semiconductor switches to determine transient
characteristics of PV test power supply ... 75
D.3 Alternative test setup using fuses ... 77
References ... 79
Foreword
The structure and name of the “Low-voltage surge protective devices (SPD)”
series of standards are as follows.
- GB 18802.1 Low-voltage surge protective devices - Part 1. Surge protective
devices connected to low-voltage power distribution systems -
Requirements and tests;
- GB/T 18802.12 Low-voltage surge protective devices - Part 12. Surge
protective devices connected to low-voltage power distribution systems -
Selection and application principles;
- GB/T 18802.21 Low-voltage surge protective devices - Part 21. Surge
protective devices connected to telecommunications and signaling
networks - Performance requirements and testing methods;
- GB/T 18802.22 Low-voltage surge protective devices - Part 22. Surge
protective devices connected to telecommunications and signaling
networks - Selection and application principles;
- GB/T 18802.31 Low-voltage surge protective devices - Surge protective
devices for specific application including d.c. - Part 31. Requirements and
tests for SPDs in photovoltaic applications;
- GB/T 18802.311 Components for low-voltage surge protective - Part 311.
Specification for gas discharge tubes (GDT);
- GB/T 18802.321 Components for low-voltage surge protective devices -
Part 321. Specifications for avalanche breakdown diode (ABD);
- GB/T 18802.331 Components for low-voltage surge protective devices -
Part 331. Specification for metal oxide varistors (MOV);
- GB/T 18802.341 Components for low-voltage surge protective devices -
Part 341. Specification for thyristor surge suppressors (TSS).
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by China Electrical Equipment Industry Association.
This part shall under the jurisdiction of the National Lightning Protection
Standardization Technical Committee (SAC/TC 81).
Responsible drafting organizations of this part. Shanghai Lightning Protection
Center, Xi'an High Voltage Electric Apparatus Research Institute Co., Ltd.
Low-voltage surge protective devices - Surge
protective devices ...
Get QUOTATION in 1-minute: Click GB/T 18802.31-2016
Historical versions: GB/T 18802.31-2016
Preview True-PDF (Reload/Scroll if blank)
GB/T 18802.31-2016: Low-voltage surge protective devices -- Surge protective devices for specific application including d.c. -- Part 31: Requirements and tests for SPDs in photovoltaic applications
GB/T 18802.31-2016
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.240.10
K 30
Low-voltage surge protective devices - Surge
protective devices for specific application including
d.c. - Part 31. Requirements and tests for
SPDs in photovoltaic applications
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. SEPTEMBER 01, 2016
Issued by. General Administration of Quality Supervision Inspection and
Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 6
1 Scope ... 8
2 Normative references ... 9
3 Terms, definitions and abbreviations ... 10
3.1 Terms and definitions ... 10
3.2 Abbreviations ... 19
4 Conditions of use ... 20
4.1 Voltage ... 20
4.2 Air pressure and altitude... 20
4.3 Temperature ... 20
4.4 Humidity ... 21
5 Classification ... 21
5.1 SPD’s design type ... 21
5.2 Class I and class II tests for class 1 and class 2 SPD ... 21
5.3 Location of use ... 21
5.3.1 Indoors ... 21
5.3.2 Outdoor ... 22
5.4 Accessibility ... 22
5.4.1 Easily accessible ... 22
5.4.2 Not easily accessible ... 22
5.5 SPD disconnector (including over-current protection) ... 22
5.6 Degree of protection of enclosure ... 23
5.7 Temperature and humidity range ... 23
5.8 Multipole SPD... 23
5.9 Connection structure ... 23
5.10 SPD’s overload characteristic mode ... 25
6 Technical requirements ... 25
6.1 General requirements... 25
6.1.1 General ... 25
6.1.2 Identification ... 25
6.1.3 Markings ... 28
6.2 Electrical performance requirements ... 28
6.2.1 Protection against direct contact ... 28
6.2.2 Residual current IPE ... 29
6.2.3 Voltage protection level Up ... 29
6.2.5 Disconnector and status indicator ... 29
6.2.6 Insulation resistance ... 31
6.2.7 Dielectric strength ... 31
6.2.8 Continuous operating current (ICPV) ... 31
6.2.9 Total discharge current ITotal (for multipole SPD) ... 31
6.3 Mechanical performance requirements ... 31
6.3.1 Installation ... 31
6.3.2 Screws, current-carrying parts and connections ... 31
6.3.3 External connection ... 32
6.3.4 Electric clearance and creepage distance ... 32
6.3.5 Mechanical strength ... 32
6.4 Environmental and material requirements ... 32
6.4.1 General ... 32
6.4.2 Life test under damp heat conditions ... 33
6.4.3 Electromagnetic compatibility ... 33
6.5 Additional requirements for special SPD designs ... 33
6.5.1 One-port SPD with separate input and output terminals ... 33
6.5.2 Environmental test of outdoor SPD ... 34
6.5.3 SPD with separately-isolated circuit ... 34
6.6 Additional requirements that the manufacturer may claim ... 34
6.6.1 Maximum discharge current Imax ... 34
7 Type test ... 34
7.1 General ... 34
7.2 General test procedures ... 35
7.2.1 General ... 35
7.2.2 Impulse discharge current for class I additional load test ... 39
7.2.3 Impulse current for class I and class II residual voltage and action load tests
... 40
7.2.4 Impulse voltage for class I and class II discharge voltage tests ... 40
7.2.5 Characteristics of test power supply ... 41
7.3 Durability of marking ... 43
7.4 Electrical test ... 43
7.4.1 Test of prevention to direct contact ... 43
7.4.2 Residual current IPE ... 44
7.4.3 Qualification criteria for residual current ... 44
7.4.4 Determine the limiting voltage ... 45
7.4.5 Action load test ... 48
7.4.6 Safety performance of SPD’s disconnector and SPD overload ... 52
7.4.7 SPD’s overload performance test ... 53
7.4.8 Insulation resistance ... 57
7.4.9 Dielectric strength ... 59
7.5 Mechanical test ... 59
7.5.1 Verify electric clearance and creepage distance ... 59
7.5.2 Qualification judgment basis ... 60
7.6 Environmental and material test ... 63
7.6.1 Life test under damp heat conditions ... 63
7.6.2 Qualification criteria ... 64
7.7 Additional tests for special SPD designs ... 64
7.7.1 Two-port and one-port SPD test with separate input/output terminals ... 64
7.7.2 Environmental test of outdoor SPD ... 64
7.7.3 SPD of separately-isolated circuit ... 65
7.8 Additional tests for special performance ... 65
7.8.1 Total discharge current test of multipole SPD ... 65
8 Routine test and acceptance test ... 66
8.1 Routine test ... 66
8.2 Acceptance test ... 66
Appendix A (Normative) Test to determine if there is a switching element and
the size of follow current ... 67
A.1 Overview ... 67
A.2 Test to confirm the existence of switching (Crowbar type) component ... 67
A.3 Test to determine the size of follow current ... 67
Appendix B (Informative) Environmental test for outdoor SPD ... 69
B.1 Accelerated aging test of UV radiation ... 69
B.2 Water immersion test ... 69
B.3 Dielectric strength test ... 70
B.4 Temperature cycle test ... 71
B.5 Verification of corrosion resistance ... 71
Appendix C (Normative) Temperature rise limit ... 73
Appendix D (Informative) Transient characteristics of PV test power supply in
7.2.5.1 a) ... 75
D.1 Transient characteristics of PV test power supply in 7.2.5.1 a) ... 75
D.2 Test setup for using semiconductor switches to determine transient
characteristics of PV test power supply ... 75
D.3 Alternative test setup using fuses ... 77
References ... 79
Foreword
The structure and name of the “Low-voltage surge protective devices (SPD)”
series of standards are as follows.
- GB 18802.1 Low-voltage surge protective devices - Part 1. Surge protective
devices connected to low-voltage power distribution systems -
Requirements and tests;
- GB/T 18802.12 Low-voltage surge protective devices - Part 12. Surge
protective devices connected to low-voltage power distribution systems -
Selection and application principles;
- GB/T 18802.21 Low-voltage surge protective devices - Part 21. Surge
protective devices connected to telecommunications and signaling
networks - Performance requirements and testing methods;
- GB/T 18802.22 Low-voltage surge protective devices - Part 22. Surge
protective devices connected to telecommunications and signaling
networks - Selection and application principles;
- GB/T 18802.31 Low-voltage surge protective devices - Surge protective
devices for specific application including d.c. - Part 31. Requirements and
tests for SPDs in photovoltaic applications;
- GB/T 18802.311 Components for low-voltage surge protective - Part 311.
Specification for gas discharge tubes (GDT);
- GB/T 18802.321 Components for low-voltage surge protective devices -
Part 321. Specifications for avalanche breakdown diode (ABD);
- GB/T 18802.331 Components for low-voltage surge protective devices -
Part 331. Specification for metal oxide varistors (MOV);
- GB/T 18802.341 Components for low-voltage surge protective devices -
Part 341. Specification for thyristor surge suppressors (TSS).
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by China Electrical Equipment Industry Association.
This part shall under the jurisdiction of the National Lightning Protection
Standardization Technical Committee (SAC/TC 81).
Responsible drafting organizations of this part. Shanghai Lightning Protection
Center, Xi'an High Voltage Electric Apparatus Research Institute Co., Ltd.
Low-voltage surge protective devices - Surge
protective devices ...
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