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Yaskawa Solectria Solar 

DOCR-071069 

Page 

23

 of 

24

 

 

4.4 Replacement Fuses 

Fuses in the AC Combiner 

Only replace the fuses in the ACC1500-500 AC Combiner with appropriately-rated 

fuses. The specification for the fuses in the AC Combiner are in Table 4.3 below. 

 

Fuse 

Rating 

Part Number 

Inverter Output Circuit 

200A, 600VAC 

Time-Delay 

Class J 

 

Mersen AJT200N 

AC Output Circuit 

600A, 600VAC 

Time-Delay 

Class J 

Mersen AJT600N 

 

 

AC Combiner Fuse Specifications

 

 

 

 

 

Summary of Contents for PVS-500

Page 1: ...PVS 500 DC COUPLED STORAGE SYSTEM User s Manual ...

Page 2: ...IEW 4 3 INSTALATION 5 3 1 Delivery 5 3 2 Placement and Anchoring 5 3 3 AC Wiring 6 3 4 DC Wiring 11 3 5 Communications 20 4 System Operation 21 4 1 Initial Comissioning Procedure 21 4 2 System OFF Procedure 22 4 3 System ON Procedure 22 4 4 Replacement Fuses 23 5 WARRANTY RMA INSTRUCTIONS 24 6 APPENDICES 24 ...

Page 3: ...manual provides instructions for operation of the PVS 500 DC Coupled Storage System In addition please read all instructions and warnings for the associated component equipment in their respective manuals This manual contains important instructions for operation of the PVS 500 DC Coupled Storage System To reduce the risk of electrical shock and to ensure the safe operation of the system the follow...

Page 4: ...Yaskawa Solectria Solar DOCR 071069 Page 4 of 24 2 SYSTEM OVERVIEW DC RE COMBINER AC COMBINER 3 XGI 1500 INVERTERS ...

Page 5: ...served take digital photos to document the damage and immediately report the damage to the shipping company If the recipient has any question about the potential shipping damage contact Yaskawa Solectria Solar see Section 6 for contact information If Yaskawa Solectria Solar determines that the AC Combiner must be returned obtain an RMA number from Yaskawa Solectria Solar and instructions for retur...

Page 6: ...m are in the off position Fig 4 1 Confirm there is no voltage at the terminals for the XGI 1500 inverters AC output conductors in the ACC1500 500 AC Combiner Rotate the XGI 1500 Inverter AC Disconnect to the Off position STEP 2 Prepare the Enclosure for Conduits Note the target area for conduit connections for the combined AC Output Circuit on the bottom face of the ACC1500 500 AC Combiner as show...

Page 7: ... in 360mm 11 6 in 295mm 1 18 in 30 mm 1 18 in 30 mm 6 3 in 160mm 0 78 in 20mm 0 78 in 20mm 200A 600VAC FUSES TYPE J for ΦA Φb Φc from 3 INVERTERS 600A 600VAC 3 POLE DISCONNECT SWITCH 600A 600VAC FUSES TYPE J for ΦA Φb Φc COMBINED OUTPUT from 3 INVERTERS DUAL BARREL LUGS for FIELD WIRED OUTPUT 3 PH 600VAC BUSBARS ϕ A ϕ B ϕ C EQUIPMENT GROUND TERMINAL HINGED COVER AUX POWER 3A FUSES 346 VAC ...

Page 8: ... and the enclosure Sealing the conduit will help prevent condensation in the enclosure STEP 3 AC Output Circuit Connections See NEC Articles 310 and 690 for proper conductor sizing The phase lugs are shown in Figure 4 3 and their specifications in Table 4 1 Phase Lugs one per phase Conduits connected to an outdoor enclosure can introduce water vapor into the enclosure and lead to the formation of ...

Page 9: ...t equipment ground conductors to the equipment ground terminals Aluminum Conductors When using aluminum conductors follow these steps to prepare the conductors 1 Prepare one wire at a time 2 Remove the appropriate insulation from the wire 3 Using a wire brush remove the oxidized outer layer from the aluminum conductors 4 Immediately apply a neutral dielectric grease such as Ideal NOALOX anti oxida...

Page 10: ...he ACC1500 500 AC Combiner cover ensuring that all turn fasteners are secured Consult the startup and commissioning procedures for the PVS 500 DC Coupled Energy Storage system before energizing Ground Bar Specifications Positions 12 Conductor Compatibility 12 Al 14 Cu AWG 4 AWG Temperature Rating 90C Torque 20 in lb flat head screwdriver Verify the proper polarity of each conductor Polarity revers...

Page 11: ...0 Re Combiner The DCR 1500 Re Combiner functions as the DC bus in the SOLECTRIA PVS 500 DC Coupled Energy Storage System coupling 5 PV inputs 3 Inverter inputs and one DC DC converter input The DCR 1500 Re Combiner provides overcurrent protection for the PV and DC DC Converters and also ground fault sensing for the PV inputs WARNING Disconnect all PV modules or completely cover the surface of all ...

Page 12: ...CT SWITCHES 5x 5x 400A FUSE 5x 250A FUSE 3x 630A FUSE 2 x 315A fuses in parallel COMMS PCBA IMI SENSORS 5x PV CIRCUIT EQUIPMENT GROUND 5x INVERTERS DC DC EQUIPMENT GROUND TERMINALS ALL CONNECTIONS IN THIS SECTION COMPLETED IN THE FACTORY 400A fuse used with DPS 375 DPS 250 400A DC DISCONNECT SWITCHES FOR PV OUTPUT CIRCUITS ...

Page 13: ...e de energized 1 Use a multi meter to check for DC voltage and confirm that the PV Output Circuit conductors coming from the CR1500 26 20S 400 PV Source Circuit Combiners in the array field are de energized 2 If DC voltage is present locate the PV Source Circuit Combiners and open all DC disconnect switches then re measure 3 DO NOT PROCEED until the conductors are confirmed to be de energized FACT...

Page 14: ...ons for the PV circuits on the bottom face of the Re Combiner as shown in Figure 5 2 3 Add the necessary holes for the conduits for PV Output Circuit entries The Re Combiner accepts up to 5 separate PV Output Circuits 4 Be sure to remove any metal shavings and debris from the inside of the Re Combiner Recombiner Conduit Entry Locations This section used for factory wired connections This section u...

Page 15: ... instructions and best practices when securing conduits to the Re Combiner 3 Use UL514B certified water tight conduit fittings and proper installation methods to provide a water tight connection that will maintain the Type 3R rating of the enclosure 4 Use an appropriately rated sealant and seal the conduits fully to prevent the exchange of air between the conduit and the enclosure Sealing the cond...

Page 16: ...n lugs are NOT provided with the Re Combiner The lugs must conform to the specifications given in the table below Conductors Conductor Termination Single and Dual Conductor Terminations Lug Type Plating Material Max Tongue Width Hole Size Temp Rating Two Hole Tin Plated Cu 1 95 in for M8 stud 90C Max distance from hole center to end of lug 14 mm Max Allowable Conductor Size Cu or Alum 90C temp rat...

Page 17: ...it The user is responsible to route secure and properly terminate these conductors to the Dynapower DC DC Converter Conductors Factory Pre Wired DynaPower DC DC Converter Terminations inside the Re Combiner Max Output Current DPS 500 500 A DPS 375 250 312 5A DC Re Combiner No of Terminals 2 per pole 2 pos 2 neg Supplied Conductors 350kcmil 90C rated 2 per Pole as in Fig 5 5 _ See the DynaPower DC ...

Page 18: ...h EGC for the PV Source Circuits per the specifications below PV Equipment Ground Lugs 5x 14 AWG 2 AWG Torque to 20 in lb Slotted Screw Cu or Al Conductors Final Steps Verify the proper polarity of each conductor Polarity reversal can lead to dangerous conditions capable of harming personnel and equipment Check the Re Combiner for tools and debris ensure that the unit is clean and orderly 1 Verify...

Page 19: ... Output Circuit and the DC bus in the Re Combiner Conversely when the disconnect switch is in the ON position the circuit is closed between the PV Output Circuit and the DC Bus in the Re Combiner The disconnect switch is rated for 400A is fully load break rated and can be safely operated under normal operating conditions when installation is per this User s Manual and all warnings and ratings are ...

Page 20: ...CP network and Heila Edge controller are prewired to the network switch inside the Heila control cabinet Install two separate Cat 6 Ethernet cables with internet access to the network switch inside this cabinet Heila Control Cabinet Components Supply 2 Cat 6 Ethernet cables to network switch ...

Page 21: ... from all sources Verify all cabling in the DC recombiner is installed correctly and torqued appropriately Replace DC recombiner cover Remove AC Recombiner cover and verify absence of voltage from all sources Verify all cabling in the AC Combiner is installed correctly and torqued appropriately Replace DC combiner cover Close all PV source circuit fuse holders in the combiner boxes and close the c...

Page 22: ...the DC Recombiner Turn OFF the DC disconnect switches on the DCP 500 converter 4 3 System ON Procedure To turn on the PVS 500 use the following turn on sequence Close all PV source circuit fuse holders in the combiner boxes and close the cover Turn the DC disconnect switches on the DCP 500 converter to the ON position At each combiner turn the DC disconnect to the ON position Turn ON all 5 DC disc...

Page 23: ... the ACC1500 500 AC Combiner with appropriately rated fuses The specification for the fuses in the AC Combiner are in Table 4 3 below Fuse Rating Part Number Inverter Output Circuit 200A 600VAC Time Delay Class J Mersen AJT200N AC Output Circuit 600A 600VAC Time Delay Class J Mersen AJT600N AC Combiner Fuse Specifications ...

Page 24: ...ort documentation warranty information grid tied inverter warranty letter 6 APPENDICES Appendix A Contact Information Yaskawa Solectria Solar 360 Merrimack Street Building 9 Suite 221 Lawrence MA 01843 USA Tel 978 683 9700 Fax 978 683 9702 Sales General Info inverters solectria com Customer Support 978 683 9700 x2 Website www solectria com ...

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