Studer Solsafe concept Application Note Download Page 7

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Application Note 003

Notes

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Summary of Contents for Solsafe concept

Page 1: ...y the power supply in case of a power cut and allows the use of solar power when the grid is off Features advantages Backup system for grid connected solar installation Grid feeding with solar inverter Hassle free cabling quick installation and easy commissioning with the Solsafe S Box Minimal configuration Range of inverters o Compact Series o All XPC serie o All C serie o All HPC serie o Xtender...

Page 2: ...rge of the battery The power available in case of islanding is added inverter charger Pnom grid feeding instantaneous power Its allows an upgrade of existing stand alone installations that are connected to the grid afterwards adding value to the investment It standardizes the amount of products to maintain and makes the staff training easier this concept can be implemented with all our combis XTH ...

Page 3: ...s the battery is full No grid and batteries partly charged K1 AUX1 is in power cut mode the consumers are supplied by the backup inverter batteries and or solar energy K2 AUX2 is switched on the backup grid Solar energy is used for supplying the consumers and or the batteries Bi directional output of inverters No grid and batteries discharged K1 AUX1 is in bypass mode and disconnects completely th...

Page 4: ...ttery fully discharged Loads will stay disconnected until battery has recovered 25 capacity Grid present The charge of the battery is done from the grid The solar production is sold to the grid Grid Secured loads Battery voltage Secured loads power Solar power K14 K15 K11 K13 K12 General descriptions Relays descriptions K1 AUX 1 is always actuated until warning for LVD low voltage disconnection an...

Page 5: ...olsafe and information on the assembly are available in appendices ENS module When using the Solsafe concept the function impedance jumps or ENSi on the grid inverter must be always turned off impedance of inverter is not similar to the one of the grid ii Thus if the function jumps impedance is mandatory it is required to add an external ENS module in the grid feeding path Studer Innotec recommend...

Page 6: ...d insert the code Press SET and search with Your level is EXPERT Press SET User level 5012 i The code is available in the user manual RCC 02 03 Load Xtender parameters preset 5045 Press SET and search with Press SET and search with Wait until the preset is installed Save and restore files 5013 Press SET and choose the preset Solsafe with and press SET to validate Save and restore Xtender files 505...

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Page 8: ...pendix 2 S Box scheme Control Appendix 3 Scheme Compact series and S Box 25C E Appendix 4 Scheme Xtender series and S Box 25X E Appendix 5 Scheme Xtender three phase system Appendix 5 1 List of parts Appendix 5 2 Example of wiring Appendix 5 3 Description of the preset Solsafe ...

Page 9: ...Application Note 003 Appendix 1 S Box scheme Power Grid Consumption counter Backup grid Inverter Charger output Grid inverter output Grid Feeding counter Note If the ENS Module is required it replaces the connections of X4 ...

Page 10: ...Appendices Page 2 9 Application Note 003 Appendix 2 S Box scheme Control Grid Consumption counter Inverter Charger output Grid Feeding counter X8 X8 X8 NO1 X8 NO2 ...

Page 11: ...orking principle and should not be considered as a wiring proposal The local regulation should be respected In this scheme the inverter charger is a simple user of the grid and when the grid is present the battery gets charged and maintenance comes from the grid TBD To be defined for respect the local regulation ...

Page 12: ...orking principle and should not be considered as a wiring proposal The local regulation should be respected In this scheme the inverter charger is a simple user of the grid and when the grid is present the battery gets charged and maintenance comes from the grid TBD To be defined for respect the local regulation ...

Page 13: ...king principle and should not be considered as a wiring proposal The local regulation should be respected In this scheme the inverter charger is a simple user of the grid and when the grid is present the battery gets charged and maintenance comes from the grid TBD To be defined for respect the local regulation ...

Page 14: ...A 1 Contactor three phase Allen Bradley 32A REL CONTACTEUR 3L 32A 230V 4 Mechanical lock block REL CONTACTEUR BLOC VERROU 2 Junction block Woertz 6mm 2 Grey B WOERTZ 6 GRIS 9 Junction block Woertz 6mm 2 Blue B WOERTZ 6 BLEU 5 Junction block Woertz 6mm 2 Yellow Green B WOERTZ 6 JAUNE VERT 5 Closure for junction block Woertz B WOERTZ PAROI DE FERMETURE 2 Fuse block Woertz 4mm 2 Grey B WOERTZ 4 FUSIB...

Page 15: ... box whose size permits it The wiring must be according to the local regulation The bars of support are not provided by Rittal The assembling At the top of the box are wired Relays K15 K14 K11 K12 and K13 and fuse holders F11 and F12 At the bottom of the box are wired Fuse holders F13 F14 and F15 and the terminals X1 X2 X3 X6 X7 and X8 The cables must be wired as close as possible to relays and co...

Page 16: ...s sense to put ENS31 before placing K10 1 and K10 2 to adjust the height of the central bar Then remove the ENS31 to facilitate wiring K10 1 and K10 2 and remplace it Finally connect the ENS31 with particular attention to the order of phases Note that the neutral must be connected to the ENS31 otherwise the unit may be damaged All references for the ENS31 are in its user manual ...

Page 17: ...AUX 1 12 2 24 3 48 6 VDc Param 1254 Delay 3 30min Param 1255 Battery voltage level to deactivate AUX 1 13 5 27V 54 VDc Param 1256 Delay to deactivate AUX 1 60min Param 1516 Deactivate if battery in floating phase AUX1 No Warning None of the other parameters present in relay AUX1 menu should be changed Auxiliary contact 2 1310 Condition to have the grid inverter re directed at the output of the Xte...

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