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54 

900-00275-01-001 Rev A ©2021 OutBack Power.  All Rights Reserved. 

Operation 

Charge Cycle    

   

 

Battery charging requirements will vary with battery chemistry.  The Mojave inverter uses one of 
several different charge cycles.  Selecting a 

Battery Model

 on page 51 will set up a charge cycle 

that has been pre-programed for that battery.  Most cycles operate in a combination of progression 
of constant-current and constant-voltage steps.  The charger brings the batteries to a series of 
“target” voltages.      

  

 

 

Charging for lead-chemistry batteries is described beginning on page 55.  

 

Charging for lithium-chemistry batteries is described beginning on page 64. 

Most charger settings are adjustable for different priorities.  For example, the Float voltage could be set 
higher than the Absorption voltage, or a step could be completely skipped.   

The status of the charger is shown on the User Interface as shown in Figure 26.  Note that a status 
message only shows the charger’s goal, not its present activity.  If the battery reaches the 

Refloat

 set 

point, this item will show 

Float

 status even though a charging source is not yet available. 

 

 

Figure 26  Charge Status

 

 

 

 

Содержание OutBack POWER Mojave OGHI8048A

Страница 1: ...Mojave Grid Hybrid Inverter Charger OGHI8048A Operator s Manual...

Страница 2: ...Website www outbackpower com Warranty The warranty for this product can be downloaded from www outbackpower com downloads warranty_and_safety warranty_mojave A printed copy is available by sending a...

Страница 3: ...d Tab 21 Generator Tab 22 Network Tab 24 ACTIONS View 25 SETTINGS View 26 EVENTS View 27 OPTICS RE 28 Operation 31 Connections 31 CT 31 LED Indicator 32 Description of Inverter Operations 33 SETTINGS...

Страница 4: ...1 Mechanical Specifications 102 Environmental Specifications 102 Wireless Specifications 103 Regulatory Specifications 103 Listings 103 Certifications 103 Directives 103 Grid Protection Settings All P...

Страница 5: ...Figure 13 OPTICS RE Account 29 Figure 14 Icon Images 31 Figure 15 Current Transducers 31 Figure 16 LED Indicator 32 Figure 17 SETTINGS View Default 33 Figure 18 Admin Tab SETTINGS View 34 Figure 17 Se...

Страница 6: ...gure 40 Control Board Connectors 89 Figure 41 Dismounting Control Board 90 Figure 42 AC Terminals 91 Figure 43 Transformer Terminals 92 Figure 44 AC Board Connectors 93 Figure 45 Dismounting AC Board...

Страница 7: ...he hazard could be harmful to human life CAUTION Hazard to Equipment This type of notation indicates that the hazard may cause damage to the equipment IMPORTANT This type of notation indicates that th...

Страница 8: ...Inverter Charger Quick Start Guide and any other pertinent literature General Safety WARNING Limitations on Use This equipment is NOT intended for use with life support equipment or other medical equi...

Страница 9: ...id direct GD inverters that only convert solar PV power to send to the grid The inverter contains an onboard wireless wi fi network It can also be connected to other local networks wirelessly or by us...

Страница 10: ...e input and a neutral conductor During AC coupling surplus GD inverter power can be used to charge batteries Dual AC inputs allow direct wiring to multiple sources Utility grid AC generator Rapid tran...

Страница 11: ...ttery is in use refer to the Mojave Energy Storage System Operator s Manual in place of the present manual This manual also called the ESS Manual contains necessary battery and inverter instructions T...

Страница 12: ...anty for the intended application and fully compliant to all local and national regulatory requirements Consult the documentation for the specific batteries used in the system to ensure that the setti...

Страница 13: ...ill appear after power up It appears as Mojave xxxx and incorporates part of the inverter s serial number Connect to the device When prompted for a wi fi password the password consists of the last eig...

Страница 14: ...ection Selecting an individual tab brings up a table with data See page 15 for more information on this view and each tab The SETTINGS view allows functions to be changed Selecting an individual tab b...

Страница 15: ...ction of power flow This is also shown by a chevron style arrow at the destination icon A green dotted line indicates power not purchased from grid or generator During AC coupled operation see page 39...

Страница 16: ...Disconnected if the grid relay is automatically opened for another reason while grid power is still present Inverter The Mojave inverter itself See page 18 for more information including all Status i...

Страница 17: ...re information on the problem Gray no current flow in any direction Generator The AC source on the inverter s GEN terminals This icon displays generator voltage and frequency See page 22 Icon colors G...

Страница 18: ...e L1 The voltage in AC volts Vac measured at the inverter s L1 LOAD terminal Voltage L2 The voltage in AC volts Vac measured at the inverter s L2 LOAD terminal Current L1 The current in AC amperes Aac...

Страница 19: ...rger is under the control of a battery management system See page 64 Off Unable to use the batteries due to an error elsewhere in the system Error will be visible as a status under another tab The app...

Страница 20: ...e BMS Temp Offset Temperature compensated voltage added to the configured voltage target Voltage Target The configured value for the present charging stage See page 54 Timer The timer that runs when t...

Страница 21: ...d at the external current transducers This will read zero if the transducers are disabled See pages 31 and 43 XCT Current L1 and XCT Current L2 The current in AC amperes Aac measured at the L1 and L2...

Страница 22: ...nerator s running time Disconnected voltage is present at the GEN terminals but the power is unacceptable or was manually disconnected The generator relay is open Cooling Down generator is running wit...

Страница 23: ...d 75 It is waiting for proper conditions to start the generator Disabled The AGS function has been been deactivated in the Actions Menu in the Generator tab or both The generator may be started manual...

Страница 24: ...network This often refers to the system s router Wired The connection state when using a wired cable network connection Disabled The configuration has manually disabled the connection Disconnected Th...

Страница 25: ...n toggle has the options Use connect or Drop disconnect This is a manual command to connect or disconnect from the utility grid Use connects to the grid if all other conditions are met See page 45 F G...

Страница 26: ...nd explains the use of each setting The tabs may appear in a different order in Operation than they do here Inverter Allows settings for all inverter functions including Time of Use ToU See page 37 Gr...

Страница 27: ...ge or other event Warning a non critical issue that does not require the unit to shut down Fault a critical wiring related issue that requires the unit to shut down Error a critical issue that require...

Страница 28: ...Site System The installed OutBack Power equipment Each inverter is treated as a different System A video tutorial for aggregating multiple Systems with OPTICS RE is part of the WattSchool series of tu...

Страница 29: ...RE Note that the following steps require a valid MAC address from page 24 2 Click on Add a Profile 3 Set the System Type as Mojave 4 Enter the MAC address for a Mojave inverter to be added to the Site...

Страница 30: ...30 900 00275 01 001 Rev A 2021 OutBack Power All Rights Reserved User Interface NOTES...

Страница 31: ...70 Each distinct function or operation is accompanied by a symbol representing the inverter and that operation as shown in Figure 14 Figure 14 Icon Images CT Normally the Mojave inverter senses AC pow...

Страница 32: ...icator will also flash blue during a firmware update Solid Ready for operation The Mojave inverter is off Green Solid The Mojave inverter is operating Any number of functions may be active See page 15...

Страница 33: ...can be manually selected enabled or customized Other items are general topics or applications for the inverter Any of these items may need to be adjusted so that the inverter is best matched to a par...

Страница 34: ...Owner settings allow changes to items under the Network Inverter Battery or Generator tabs The Installer settings can change the grid protection settings under the Grid tab The Admin selection is rese...

Страница 35: ...st or forgotten press the Reset button to reset the password Additional instructions will appear Historical Data This item allows download of a csv file to review system data Enter the date range unde...

Страница 36: ...l auto populate this item DNS server 1 and 2 The first and second domain name servers DHCP will auto populate these items If a static network is used these items are available from the service provide...

Страница 37: ...fect the voltage transferred from an AC source See pages 38 46 and 73 Inverter Operating Frequency Hz Range 55 to 66 Default 60 In off grid usage the inverter s operating frequency can be adjusted for...

Страница 38: ...be current limited similar to an excessive load and may result in undervoltage The Mojave inverter requires batteries within normal voltage range approximately 46 to 60 Vdc for normal operation No oth...

Страница 39: ...normal activity the GD inverter sends power to F and C The inverter s first priority is to charge the batteries D The Mojave battery charger settings will still apply See page 54 If additional GD pow...

Страница 40: ...is preset to operate between 4 PM and 9 PM as this is the most common peak rate period Weekends utilizes ToU during this time block Saturday and Sunday only Daily utilizes ToU during this time block e...

Страница 41: ...is power It is simply acting as a conduit for the GD inverter to export power At 5 PM the inverter enters the peak rate period The Mojave inverter ceases importing any grid power By this time the GD i...

Страница 42: ...inverter If a rapid shutdown device is not installed this function should be disabled This is performed by directly shorting terminals 5 and 6 with a small wire A jumper is installed at the factory fo...

Страница 43: ...nterconnection Not all items are available with all Grid Profiles The settings shown are for the IEEE 1547 2003 profile Certified ranges are only shown when they differ from the maximum range IMPORTAN...

Страница 44: ...Hz Range 55 to 66 Default 59 50 Enter service delay s Range 0 to 1600 Default 300 Random delay s Range 0 to 1000 Default 0 Enter service ramp time s Range 0 to 1000 Default 300 PF export Range Disabl...

Страница 45: ...rter tab SETTINGS view The inverter will restrict charging from the grid if any of the following conditions are true Charge from grid limit W is set to a low number Max charge current A is set to a lo...

Страница 46: ...OTES The relay does not open during any stage of Time of Use See page 40 The neutral connections are not switched Neutral conductors use a common bus bar The independent inputs are intended to simplif...

Страница 47: ...e reduced to zero If the loads exceed Import limit W see below The Charge from grid limit W setting does not restrict charging performed while AC coupling See page 39 Demand Mitigation Peak Reduction...

Страница 48: ...48 900 00275 01 001 Rev A 2021 OutBack Power All Rights Reserved Operation NOTES...

Страница 49: ...urs per string Ah Range 0 to 2000 Default 200 The size amp hours of each string or set of batteries in series See page 51 Number of strings 1 to 100 Default 1 The number of battery strings in parallel...

Страница 50: ...time m Range 0 to 1439 Default 0 The duration for an equalization cycle See page 62 HBCO V Range 40 to 64 Default 60 00 The voltage setting for high battery cut out See page 52 HBCI V Range 40 to 64...

Страница 51: ...easured in ampere hours or amp hours Ah the ability to deliver current over time Batteries may be wired in series or parallel Batteries in series are known as a string Strings or single batteries plac...

Страница 52: ...nce loads are no longer supported at Min SOC see page 52 LBCO creates a reserve or buffer against the inverter s own battery drain It should be set below the Min SOC point to avoid overlap In the Cust...

Страница 53: ...Charge Current Batteries or battery banks usually have a recommended limit on the maximum current used for charging or discharging Often this is calculated as a percentage or fraction of the battery c...

Страница 54: ...ries of target voltages Charging for lead chemistry batteries is described beginning on page 55 Charging for lithium chemistry batteries is described beginning on page 64 Most charger settings are adj...

Страница 55: ...errupted For battery types using three stage charging all selections under the Battery tab on page 49 can be edited or customized Manual Start In the Action Menu pressing Bulk Start will initiate a ch...

Страница 56: ...on reaching the Absorb voltage V setting The DC current will operate at a high level often at the charger s maximum current setting The actual charging kilowatts are shown in Figure 28 To skip this st...

Страница 57: ...ing current tapers down to the Absorb end amps A setting This prevents holding the battery at a high voltage for unnecessary amounts of time The timer will retain any remaining time and use it on the...

Страница 58: ...ltage V level causes the charger to proceed through the normal three stage cycle but at a single voltage Selecting a Battery Series that utilizes two stage charging will limit the cycle to performing...

Страница 59: ...cycle Rebulk If the battery voltage decreases due to discharge the charger will restart the cycle as soon as the grid is available beginning at Bulk stage See page 56 If the batteries do not decrease...

Страница 60: ...Refloat setting is reached The Float timer is reset to its maximum The charger resumes operation in Refloat and raises the battery voltage to the Float setting The charger proceeds uninterrupted thro...

Страница 61: ...this power failure heavy battery use causes the voltage to decrease below Rebulk The Absorption timer resets to its maximum amount Note that the voltage also decreased below the Refloat set point cau...

Страница 62: ...pounds from the battery plates It also reduces stratification by circulating the electrolyte Equalization follows the same pattern as standard three stage charging as shown in Figure 27 on page 55 How...

Страница 63: ...tached to a single battery near the center of the bank The inverter has a designated port for RTS installation This function is not available for battery types that use a BMS If temperature compensati...

Страница 64: ...UTBACK POWER DOES NOT CLAIM RESPONSIBILITY FOR ANY DAMAGE DONE BY OR TO BATTERIES THAT ARE DEPLOYED USING THE INFORMATION FOUND AT THE LINK ABOVE Battery Management System BMS A battery equipped with...

Страница 65: ...t of supported batteries at the link on the previous page Even batteries equipped with CANBUS connections may not be supported by the Mojave inverter charger If the battery settings do not automatical...

Страница 66: ...elections under the Battery tab on page 49 are available The Float stage is unavailable as are Equalization and temperature compensation Manual Start In the Action Menu pressing Bulk Start will initia...

Страница 67: ...ing The DC current will operate at a high level often as high as the charger s maximum The actual charging kilowatts are shown in Figure 34 Figure 34 Absorption Stage Absorption Stage This is a timed...

Страница 68: ...ately skip to Idle Idle This is not a charging stage but a period between stages Following the expiration of the Absorption timer the unit enters or re enters the Idle condition The unit remains conne...

Страница 69: ...not reach the level of the Rebulk setting Cycle 2 resumes when the AC input is restored The charger returns the batteries to the Absorption setting During the power loss the battery voltage did not d...

Страница 70: ...erator is allowed to run with no load before charging begins This time should follow the generator manufacturer s recommendations This setting applies only when using AGS See pages 72 and 74 Cooldown...

Страница 71: ...atically during certain hours See page 77 Quiet time start Range 12 00 AM to 11 59 PM Default 10 00 PM The beginning of the scheduled period that restricts automatic start See page 77 Quiet time stop...

Страница 72: ...wiring to multiple AC sources However the inverter can only use one AC source at a time If both connections are powered the inverter automatically accepts GRID It cannot accept GEN as long as GRID is...

Страница 73: ...are electrically common The GRID terminals remain isolated When the relay changes states the physical transfer delay is as fast as 20 milliseconds The inverter s input is limited to 55 Aac per phase...

Страница 74: ...ator with a three wire start circuit a three wire to two wire conversion kit may be needed in conjunction with the AUX Atkinson Electronics www atkinsonelectronics com is one company that makes these...

Страница 75: ...rator automatically The advanced functions allow generator control based on battery state or load size It can be exercised during inactive periods or prevented from starting late at night or during ot...

Страница 76: ...view will show the system s measured SoC See page 19 Voltage Start When the batteries discharge to any of several selected low voltage points for a designated period of time the generator will start a...

Страница 77: ...es when generator noise is not desired the generator can be prevented from starting automatically The 24 hour and 2 hour start settings will not start the generator during these times Similarly the St...

Страница 78: ...Cycle Stop Reasons Stop SOC Below Stop kW Quiet Time Exercise Time Expires Generator set to Off Generator Controls Run During Quiet Time 2 minute start voltage Yes Stop Stop Stop Yes 2 hour start volt...

Страница 79: ...difference between my own handheld meter readings and the readings on the UI Differences in both reading tolerances and calibration may result in different figures In addition efficiency losses are no...

Страница 80: ...ubleshooting Figure 37 Measurement Points On the following pages Table 4 is organized in order of common symptoms with a series of possible causes It shows which LED indicator or icon colors should ac...

Страница 81: ...rminal block Error condition Red LED Various icons red Check the EVENTS view for any errors Will not connect to the AC source Circuit breaker open in wiring compartment Gray source icon grid or genera...

Страница 82: ...Low charge rate Charge complete or nearly complete Green battery icon Check the DC voltage and charging stage using the UI Confirm with a handheld DC voltmeter System display DC meter reads significa...

Страница 83: ...r neutral output line System neutral and ground may not be bonded N A Using a handheld AC voltmeter test the N L1 and L2 LOAD terminals See page 80 These measurements should give full voltage Test neu...

Страница 84: ...Action Menu N A Both items must be set before AGS can function In the STATUS view AGS Status will not read Enabled if both items are not set AGS not set to Enable under Generator tab Generator extern...

Страница 85: ...ARE 504 Mojave Carrier Board SPARE 506 Mojave Power Module SPARE 508 Mojave Fan Module The instructions for the following kits are not included as separate procedures The instructions for these kits a...

Страница 86: ...nected to the inverter LOAD circuit breaker GRID circuit breaker GEN circuit breaker DC circuit breakers Generator start circuit Voltage Check Once these connections are turned off verify with a voltm...

Страница 87: ...he right Remove the door by pulling inward on the pins C at the corners of the door 3 Inside is a dead front which prevents accidental contact with anything other than the circuit breakers To remove t...

Страница 88: ...the control board SPARE 501 1 Remove the AUX terminal block from its socket See A in Figure 39 Use the black levers B on the sides of the block to help remove it 2 Using a 1 Phillips screwdriver remov...

Страница 89: ...gure 40 RP SMA connector D for the antenna wire Ribbon cable E for the AC board 5 pin connector F for the current transducer 2 pin connector G for the power modules Figure 40 Control Board Connectors...

Страница 90: ...control board Perform all previous steps in reverse order Insert the control board Replace the screws H Do not tighten Replace the connectors G and F See Figure 40 if necessary Replace the ribbon cabl...

Страница 91: ...to the board easier 2 Unclip all wires from AC terminals at the bottom of the board including the neutral wire See B IMPORTANT Mark or note the wire positions so that they can be reinstalled correctly...

Страница 92: ...former terminals See C in Figure 43 IMPORTANT Mark or note the wire positions so that they can be reinstalled correctly The four wires are marked with numbers 5 through 8 They are installed in the pos...

Страница 93: ...00275 01 001 Rev A 93 Service 3 On the AC board remove the following connectors see Figure 44 Ribbon cable D for the control board 2 pin connector E for the transformer Figure 44 AC Board Connectors...

Страница 94: ...AC board Ensure that the board fits over the two alignment pins H Components on the board can be damaged through mishandling at this stage Replace the screws F Replace the connectors E and D See Figu...

Страница 95: ...ws securing the fan module See C in Figure 46 3 Slide the fan module out of its slot in the direction indicated by D in Figure 46 Note that the module will have to slide under the transformer cables E...

Страница 96: ...ve bolts and washers for transformer cables See C in Figure 48 4 Remove transformer wires by bending them away from work area See D in Figure 48 The voltage sense wires will be completely disconnected...

Страница 97: ...ard guides K See Figure 49 Ensure it is seated firmly Replace bus bars I Replace bolts H Tighten to a torque value of 60 in lb 6 8 Nm See Figure 49 Replace the cage cover by attaching the keyhole fast...

Страница 98: ...or all items Using a 5 mm hex Allen wrench remove the bolts B on the bus bars Using a 5 mm hex Allen wrench remove the bolts C on the bottom of the choke Support the choke while the bolts are being re...

Страница 99: ...ce the carrier board Perform all previous steps in reverse order When reinstalling washers bolts and similar hardware use the replacement hardware included in the kit Replace the carrier board I See F...

Страница 100: ...a periodic basis Vacuum or otherwise clean all vents on a regular basis Check all electrical connections periodically for tightness using the torque values listed in the Mojave Inverter Charger Quick...

Страница 101: ...Overload Capability 5 second 10 kVA AC Overload Capability 30 minute 8 kVA AC Maximum Output Fault Current and Duration 365 Aac for 75 uS AC Maximum Backfeed Current and Duration UL 1741 420 Apeak fo...

Страница 102: ...RJ11 batt temp and CANBUS BMS Non volatile Memory Yes Neutral Ground Bond Switching No Chassis Type Vented Environmental Specifications Table 7 Environmental Specifications for Mojave Inverter Specif...

Страница 103: ...e following standards UL 1741 2nd Edition with SA CSA C22 2 No 107 1 16 Ed 4 Certifications This product has been certified by UL to meet the following standards IEEE 1547 2003 Standard for Interconne...

Страница 104: ...300 Volt VAr response time s 0 0 90 0 n a n a n a 5 0 5 0 Volt VAr 1 voltage pu 0 770 1 050 0 770 1 030 n a 0 920 0 920 Volt VAr 1 reactive power pu 0 000 0 700 0 000 0 530 n a 0 440 0 300 Volt VAr 2...

Страница 105: ...0 16 1000 00 0 16 1000 00 n a 0 16 0 16 Freq Droop Disabled Enabled n a n a n a Enabled Enabled Freq Droop OF deadband Hz 0 000 1 000 0 000 1 000 n a 0 036 0 036 Freq Droop UF deadband Hz 0 000 1 000...

Страница 106: ...0 010 1 000 0 010 1 000 1 000 1 000 1 000 PF export setpoint 5 0 400 1 000 0 400 1 000 1 000 1 000 0 950 PF import setpoint 5 0 400 1 000 0 400 1 000 1 000 1 000 0 950 PF export excitation 6 Absorbing...

Страница 107: ...0 0 10 0 10 0 Volt Watt 1 voltage pu 1 000 1 090 1 000 1 090 1 060 1 060 1 060 Volt Watt 1 power pu 1 000 1 000 1 000 1 000 1 000 1 000 1 000 Volt Watt 2 voltage pu 1 010 1 100 1 010 1 100 1 100 1 100...

Страница 108: ...a n a 0 200 0 200 0 200 Watt VAr 3 reactive power pu 0 500 0 500 n a n a 0 000 0 000 0 000 Watt VAr 4 power pu 0 000 1 000 n a n a 0 200 0 200 0 200 Watt VAr 4 reactive power pu 0 500 0 500 n a n a 0...

Страница 109: ...excitation 14 Absorbing Injecting Absorbing Injecting Injecting Injecting Injecting 11 Only one of the four VAr functions Volt VAr Watt VAr Constant PF Constant VAr can be enabled at one time 12 PF e...

Страница 110: ...110 900 00275 01 001 Rev A 2021 OutBack Power All Rights Reserved Specifications NOTES...

Страница 111: ...tery Types 51 Lead Acid 55 Lithium Chemistry 64 BMS 19 Book Symbol 7 Bulk Stage 56 67 C Caution Symbol 7 8 Charging Absorption 57 67 69 Bulk 56 67 Current 53 Efficiency 53 Equalization 62 Float 58 Idl...

Страница 112: ...3 34 35 Peak Reduction 47 R Rapid Shutdown 42 Rebulk 59 61 68 Refloat 60 Regulatory 103 Relay Generator 73 Grid 46 Remote Temperature Sensor RTS 63 Replacement of AC Board 91 Carrier Board 98 Control...

Страница 113: ...900 00275 01 001 Rev A 113 Index U UL1741 10 103 User Interface UI 13 14 V View ACTIONS 14 25 EVENTS 14 27 SETTINGS 14 26 33 STATUS 14 15 W Warning Symbol 7 8 X XCT 11 21 31 43...

Страница 114: ...114 900 00275 01 001 Rev A 2021 OutBack Power All Rights Reserved Index This page intentionally left blank...

Страница 115: ...900 00275 01 001 Rev A 115 Index This page intentionally left blank...

Страница 116: ...900 00275 01 001 Rev A Masters of the Off Grid First Choice for the New Grid 3767 Alpha Way Bellingham WA 98226 USA...

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