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SP PRO Generic AC Coupling
Technical Bulletin
SP PRO Generic AC Coupling
Introduction
A generic grid tie inverter is a grid tie inverter that is not a KACO Powador 02 or 00 series. For
information on fully managed AC coupling using the KACO Powador 02 or 00 series inverter see
"IN0018 SP PRO KACO Managed AC Coupling Installation Notes".
The SP PRO Generic AC Coupling provides a method of linking generic grid tie inverters to the
SP PRO via the AC Load supply allowing the PV Solar to be available during a grid outage. This
configuration is only suitable for Solar Hybrid (grid connected) power systems where grid export
limit is not required. For off grid systems or where full control of the PV solar is required
(including grid export limit) use SP PRO KACO Managed AC coupling.
This document details the additional steps needed to install the generic system. The SP PRO
and generic inverters can be installed as per their individual installation instructions.
Note: This document needs to be read in conjunction with the SP PRO Instruction Manual and
the appropriate generic inverter Instruction Manual.
Overview
The following is an overview of the connections which form part of the AC Coupled installation
of a generic grid inverter and SP PRO.
Note: Maximum Grid inverter AC output current to be not more than SP PRO rating.
TB0006 Revision 01 – 1 of 7
POWER
PERFORMANCE
PASSION
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Summary of Contents for Selectronic SPMC240
- Page 1 SP PRO Generic AC Coupling Technical Bulletin SP PRO Generic AC Coupling Introduction A generic grid tie inverter is a grid tie inverter that is not a KACO Powador 02 or 00 series. For information on fully managed AC coupling using the KACO Powador 02 or 00 series inverter see “IN0018 SP PRO KACO Managed AC Coupling Installation Notes”.
- Page 2 OUTPUT The total AC output of the Generic inverters must not be greater than the nominal capacity of the SP PRO. SP PRO Model Combined maximum KACO AC Output power SPMC240 3 kW SPMC241 4.5 kW SPMC481 5 kW SPMC482 7.5 kW...
- Page 3 SP PRO model, an overriding minimum battery capacity and the combined maximum generic AC Output. The following table defines the minimum battery capacity for each SP PRO model. Minimum Battery Capacity SP PRO Model Combined max. SPMC240 SPMC241 SPMC481 SPMC482 SPMC1201 SPLC1202...
- Page 4 Older revisions of firmware must be updated to firmware revision 7.00 or later. Do NOT change any configuration settings until firmware is updated. Note: Selectronic web site – http://www.selectronic.com.au for latest SP PRO firmware and Tech Note 34 SP PRO Firmware Update Procedure.
- Page 5 SP PRO Generic AC Coupling Technical Bulletin Installation The SP PRO and generic inverters should be installed as per their respective installation instructions. ENERIC WIRING The generic AC output wiring must be connected to the AC Load terminals of the SP PRO in accordance with local wiring rules for correct operation.
- Page 6 SP PRO Generic AC Coupling Technical Bulletin – A ONFIGURATION DDITIONAL ETTINGS The settings detailed here are only the additional settings required to enable Generic AC Coupling. The remainder of systems settings are not covered in this document. The SP PRO must have the Generic settings configured in the SP PRO before any of the generic inverters are energised.
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Page 7: Additional Information
AC coupling inverter operation. This is due to the generic inverter directly feeding the AC load which the SP PRO can only detect as a reduction in load. This is normal operation. Additional Information Selectronic web site – http://www.selectronic.com.au or contact the Selectronic Sales Team. TB0006 Revision 01 – 7 of 7 POWER PERFORMANCE PASSION...
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