YASKAWA ACS-500 User Manual Download Page 2

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Yaskawa Solectria Solar

DOCR-071070

Page 2 of 30

Contents

IMPORTANT SAFETY INSTRUCTIONS............................................................................................... 3

Hazard Symbols ....................................................................................................................... 4

Symbols on Labels.................................................................................................................... 5

SYSTEM OVERVIEW ......................................................................................................................... 6

INSTALLATION................................................................................................................................. 8

Delivery ................................................................................................................................... 8

Placement and Anchoring ........................................................................................................ 8

AC Wiring ................................................................................................................................. 9

DC Wiring of the DC Bus De-Combiner ................................................................................... 14

3.4.1

Fastening Lugs to the Studs ............................................................................................ 17

Precautions for Aluminum Wire ............................................................................................. 19

Conduit Connections.............................................................................................................. 20

Heila PMC Communications (option) ..................................................................................... 21

Connection to the Internet .................................................................................................... 21

System Operation ......................................................................................................................... 22

Initial Commissioning Procedure ............................................................................................ 22

System OFF Procedure ........................................................................................................... 23

System ON Procedure ............................................................................................................ 23

System Configuration ............................................................................................................. 24

4.4.1

Defining the Maximum and the Minimum Battery Operational Voltage .......................... 24

4.4.2

Constant communication between PMC and inverters ................................................... 24

Control of Active Power ......................................................................................................... 25

4.5.1

Active Power Limit .......................................................................................................... 25

4.5.2

Volt-Watt configuration .................................................................................................. 25

4.5.3

Frequency-Watt configuration ........................................................................................ 26

Control of Reactive Power ..................................................................................................... 27

4.6.1

Method 1: Volt-VAr configuration ................................................................................... 27

4.6.2

Method 2: Constant Power Factor Configuration ............................................................ 28

4.6.3

Method 3: Constant Reactive Power configuration ......................................................... 28

Specifications ................................................................................................................................ 29

WARRANTY & RMA INSTRUCTIONS ............................................................................................... 29

APPENDICES .................................................................................................................................. 30

Summary of Contents for ACS-500

Page 1: ...ACS 500 AC COUPLED STORAGE SYSTEM User s Manual ...

Page 2: ...Operation 22 Initial Commissioning Procedure 22 System OFF Procedure 23 System ON Procedure 23 System Configuration 24 4 4 1 Defining the Maximum and the Minimum Battery Operational Voltage 24 4 4 2 Constant communication between PMC and inverters 24 Control of Active Power 25 4 5 1 Active Power Limit 25 4 5 2 Volt Watt configuration 25 4 5 3 Frequency Watt configuration 26 Control of Reactive Pow...

Page 3: ...ller PMC The storage system is complete with the addition of customer selected battery system with enclosure safety elements and controls This manual provides instructions for the operation of the ACS 500 AC 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 ...

Page 4: ...G Indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates a hazardous condition which if not avoided could result in property damage INFO Indicates important supplementary information to use the product effectively ...

Page 5: ...ersonnel Only Caution Risk of Electric Shock Do not remove cover until 5 minutes after disconnecting all supply sources Caution Risk of Electric Shock Timed Discharge Caution Hot Surface Do Not Touch Warning Hazardous voltage area under plastic cover Do not open fuse holders under load Proper PPE must be used while accessing fuses For continued protection against risk of fire replace only with sam...

Page 6: ...S 500 can input or output 500kW and absorb or supply 300kVAr in up to 40C ambient temperature controlled through the pre programmed Plant Master Controller It can be paired with any battery type with an equal DC voltage window Please contact Yaskawa Solectria Solar application engineering to verify that the voltage window of your battery and that of the ACS 500 match The ACS 500 system comprises 4...

Page 7: ...ve power through the three inverters and monitors the state of charge SOC of the battery through MODBUS TCP IP messaging The Heila Edge PMC draws its supply power from a 346V 120V single phase transformer and is protected by a UPS to be able to communicate with the ACS 500 system and the battery in case of a power outage For more information consult the Heila Edge PMC manual and the Chapter on Com...

Page 8: ...ing damage contact Yaskawa Solectria Solar see Section 6 for contact information If Yaskawa Solectria Solar determines that any component of the ACS 500 needs to be returned obtain an RMA number from Yaskawa Solectria Solar and instructions for returning the unit Placement and Anchoring To anchor the ACS 500 to a concrete pad secure anchor bolts at the four anchoring provisions located at the ends...

Page 9: ...AC Combiner Figure 3 2 Rotate the XGI 1500 Inverter AC Disconnect to the Off position DANGER Electric Shock Hazard Components with hazardous voltage and energy will electrocute operator Operator shall avoid touching live components with hazardous voltage and energy Verify the absence of voltage using an appropriately rated multimeter STEP 2 Prepare the Enclosure for Conduits Note the target area f...

Page 10: ...e 3 4 Bottom of the ACC1500 500 AC Combiner Showing Area Available for Conduit shaded 200A 600VAC Fuses TYPE J for ΦA Φb Φc from 3 inverters ϕ A ϕ B ϕ C HINGED COVER 600A 600VAC FUSES TYPE J for ΦA Φb Φc combined output from 3 inverters DUAL BARREL LUGS for FIELD WIRED OUTPUT 3 PH 600VAC included EQUIPMENT GROUND TERMINAL AUX POWER 3A FUSES 346 VAC to the Heila Edge PMC 600A 600VAC 3 POLE DISCONNE...

Page 11: ...ug Specifications PHASE LUGS SPECIFICATIONS CONDUCTOR COMPATIBILITY 6AWG 350kcmil Copper and Aluminum CONDUCTOR TYPE 2 Barrel TEMPERATURE RATING 90C TORQUE 350kcmil to 2 AWG 375 in lb 6 AWG to 2 AWG 275 in lb Follow these steps when making conductor connections in the AC Combiner Verify absence of voltage on all conductors Run the AC Output Circuit conductors into the AC Combiner through appropria...

Page 12: ...WG 4 AWG TEMPERATURE RATING 90C TORQUE 20 in lb flat head screwdriver STEP 5 Final Steps INFO Verify the proper phase sequence of each conductor The ACS 500 System will not turn on if the phases are in reverse sequence Check the AC Combiner for tools and debris ensure that the unit is clean and orderly Verify that all connections meet the requirements of this User s Manual Secure the ACC 1500 500 ...

Page 13: ...rcuit is open between the input Inverter AC Output Circuit conductors and the combined AC Output Circuit conductors The disconnect handle can be locked in the OFF position with user supplied safety locks The plastic tab on the face of the disconnect handle can be lifted to reveal the locking provisions The disconnect switch is rated for 600A is fully load break rated and can be safely operated und...

Page 14: ...o the 3 inverters on the ACS 500 rack The DCB 1500 500 3X166 DC Bus De Combiner see Figure 3 8 performs the following basic functions 1 Storage Subsystem Connections Termination for conductors from the Storage Subsystem 2 Solectria XGI 1500 Inverter Connections Connection from the main DC bus to overcurrent protection sized for the three XGI 1500 inverters Stud terminals for the factory wired conn...

Page 15: ... to de energize the field wiring terminals at the Battery Subsystem Open the AC switch on all XGI 1500 inverters to de energize the factory wired conductors between the XGI 1500 inverters and the De Combiner STEP 2 Prepare the Enclosure for Conduits 1 Note the target area for conduit connections for the Battery Subsystem conductors on the bottom face of the De Combiner as shown in Figure 3 9 2 Add...

Page 16: ...ake connections to the DC De Combiner if not qualified for electrical work Compression lugs are NOT provided with the DC De Combiners Lugs must conform to the specifications below Table 3 3 Lug Specification LUG TYPE PLATING MATERIAL MAX TONGUE WIDTH STUD SIZE TEMP RATING TWO HOLE 1 75 IN C C SPACING Tin Plated Cu 2 1 in M10 3 8 in 90C MAXIMUM DISTANCE FROM FURTHEST HOLE CENTER TO END OF LUG IS 65...

Page 17: ...uired DC lug fastening hardware FASTENERS CUSTOMER SUPPLIED 4pcs 10mm SS Hex Nut 4pcs 10mm SS Lock washer 4pcs 10mm SS Flat Washer Torque 178 in lb 20 Nm STEP 4 Equipment Ground Wiring Three dual position mechanical lugs are provided in the De Combiner for Equipment Grounding Conductors EGCs associated with the Battery Subsystem and XGI 1500 inverters CONDUCTOR REQUIREMENTS MAX ALLOWABLE CONDUCTOR...

Page 18: ...90C TEMPERATURE RATED TORQUE TO 20 IN LB STEP 5 Final Steps CAUTION Verify the proper polarity of each conductor Polarity reversal can lead to dangerous conditions capable of harming personnel and equipment INFO Check the De Combiner for tools and debris ensure that the unit is clean and orderly 1 Verify that all connections meet the requirements of this User s Manual 2 Secure the De Combiner cove...

Page 19: ...de of the ACS 500 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 oxidant compound and connect the aluminum cable to the terminal 5 If the connection is not made within...

Page 20: ...onnections and may void the warranty Follow these instructions and best practices when securing conduits to the DC De Combiner and the AC Combiner 1 Use UL514B certified water tight conduit fittings and proper installation methods to provide a water tight connection that will maintain the rating of the enclosure 2 Use an appropriately rated sealant and seal the conduits fully to prevent the exchan...

Page 21: ...nents Connection to the Internet Connection to the Internet is strongly recommended for SOLECTRIA XGI 1500 inverters An internet connection will provide the user with several important features including Automatic firmware updates Remote diagnostics troubleshooting Access for Yaskawa Solectria Solar Technical Support Service Access to the user interface via the Remote Access Portal RAP with subscr...

Page 22: ... Verify all cabling in the AC Combiner is installed correctly and torqued appropriately Replace AC Combiner cover Open all three inverter covers one by one Check for moisture on all internal surfaces If moisture is found remove all standing water and condensation where accessible Leave covers off and allow all condensation to be dried by the environment Once fully dried wait at least an additional...

Page 23: ... the right side of an inverter in any order Turn the disconnect handle on the AC Combiner to the OFF position De energize the battery according to its instructions System ON Procedure To turn on the ACS 500 use the following turn on sequence Turn the disconnect handle on the AC Combiner to the ON position Turn ON all three of the XGI 1500 red on off switches on the right side of an inverter Energi...

Page 24: ...ery voltages are adjustable The default values are set to the maximum limits Table 4 2 Battery Voltage Minimum and Maximum Limits and Default Values DEFAULT DEFAULT MINIMUM BATTERY VOLTAGE 860V DEFAULT MAXIMUM BATTERY VOLTAGE 1300V Please refer to your battery manual to find out what the safe voltage limits are 4 4 2 Constant communication between PMC and inverters In order to prevent an accidenta...

Page 25: ... via a MODBUS message for the active power limit This feature applies to the charging as well as the discharging of the battery and is used to limit the charge rate of the inverters for instance in very cold weather Table 4 6 Active Power Modbus Addresses MESSAGE MODBUS ADDRESS DATA TYPE SCALE FACTOR INSTANTANEOUS REAL POWER LIMIT W 40295 Float32 4 5 2 Volt Watt configuration If the Volt Watt feat...

Page 26: ... voltage limit This feature overrides the active power set point and is not meant to run constantly but rather as a supplementary function to help keep the power flow in the interconnection stable The Frequency Watt delay feature allows customers to coordinate the frequency response with other frequency regulating assets within the same interconnection Your local ISO can help you with the correct ...

Page 27: ...RANT 4 VARH 40269 Acc64 One of these three methods to control the flow of reactive power can be chosen 4 6 1 Method 1 Volt VAr configuration The Volt VAr feature is meant to run permanently if desired When enabled the inverters absorb or provide a certain amount of reactive power to keep the AC terminal voltage within limits independently from the real power output while limited to the allowable p...

Page 28: ...Power Factor Modbus Addresses MESSAGE MODBUS ADDRESS DATA TYPE SCALE FACTOR CONST PF ENABLE DISABLE 40304 uInt16 PF SET POINT 0 80 0 80 40300 Int16 100 4 6 3 Method 3 Constant Reactive Power configuration The Constant Reactive Power feature is meant to run permanently if desired When enabled the inverters absorb or provide a constant amount of reactive power instantaneously with priority that is i...

Page 29: ...BATTERY VOLTAGE RANGE 860Vdc 1300Vdc MAXIMUM OPERATING BATTERY CURRENT 593Adc NOMINAL AC VOLTAGE 600Vac CONTINUOUS REAL APPARENT POWER 498kW 498kVA MAXIMUM AC CURRENT 480 Aac AC FUSE SIZE 600 Aac EFFICIENCY 98 5 6 WARRANTY RMA INSTRUCTIONS For warranty information please visit http solectria com support documentation warranty information grid tied inverter warranty letter ...

Page 30: ...ICES 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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