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Metrel MI 3108 - Eurotest PV Manual

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MI 3108 EurotestPV Table of contents
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11.2 Continuity ....................................................................................................... 96
11.2.1 Resistance R LOW
............................................................................................ 96
11.2.2 Resistance CONTINUITY ..................................................................................... 96
11.3 RCD testing .................................................................................................... 96
11.3.1 General data ......................................................................................................... 96
11.3.2 Contact voltage RCD-Uc ...................................................................................... 97
11.3.3 Trip-out time .......................................................................................................... 97
11.3.4 Trip-out current ..................................................................................................... 97
11.4 Fault loop impedance and prospective fault current ....................................... 98
11.4.1 No disconnecting device or FUSE selected ......................................................... 98
11.4.2 RCD selected ........................................................................................................ 98
11.5 Line impedance and prospective short-circuit current / Voltage drop .............. 99
11.6 Resistance to earth ...................................................................................... 100
11.7 Voltage, frequency, and phase rotation ........................................................ 100
11.7.1 Phase rotation ..................................................................................................... 100
11.7.2 Voltage ................................................................................................................ 100
11.7.3 Frequency ........................................................................................................... 100
11.7.4 Online terminal voltage monitor.......................................................................... 101
11.8 TRMS Clamp current.................................................................................... 101
11.9 Power tests .................................................................................................. 102
11.10 PV tests .................................................................................................... 103
11.10.1 Accuracy of STC data ......................................................................................... 103
11.10.2 Panel, Inverter .................................................................................................... 103
11.10.3 I-V curve .............................................................................................................. 104
11.10.4 Uoc - Isc .............................................................................................................. 104
11.10.5 Environmental parameters ................................................................................. 105
11.10.6 Insulation Resistance of PV systems ................................................................. 105
11.11 General data ............................................................................................. 106
Appendix A – Fuse table .......................................................................................... 107
A.1 Fuse table – IPSC ........................................................................................ 107
A.2 Fuse table – Impedances at 230 V a.c. (AS/NZS 3017) ............................... 110
Appendix B – Accessories for specific measurements ......................................... 111
Appendix C – Country notes ................................................................................... 113
C.1 List of country modifications ......................................................................... 113
C.2 Modification issues ....................................................................................... 113
C.2.1 AT modification - G type RCD ............................................................................ 113
C.2.2 AUS / NZ modification – Fuse types according to AS/NZS 3017 ...................... 114
Appendix D – Commanders (A 1314, A 1401) ......................................................... 117
D.1 Warnings related to safety ...................................................................... 117
D.2 Battery ......................................................................................................... 117
D.3 Description of commanders .......................................................................... 117
D.4 Operation of commanders ............................................................................ 118
Appendix E – PV measurements - calculated values ............................................ 120
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