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Xantrex

 GT100 

Grid-Tied Photovoltaic 
Inverter

Operation and Maintenance Manual

 

GT100-208
GT100-480

Summary of Contents for GT100-208

Page 1: ...Xantrex GT100 Grid TiedPhotovoltaic Inverter Operation and Maintenance Manual GT100 208 GT100 480 ...

Page 2: ......

Page 3: ...Xantrex GT100 Grid Tied Photovoltaic Inverter Operation and Maintenance Manual ...

Page 4: ...nia USA 94551 Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING XANTREX TECHNOLOGY INC XANTREX A MAKES NO WARRANTY AS TO THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION B ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES DAMAGES COSTS OR EXPENSES WHETHER SPECIAL DIRECT INDIRECT CONSEQUENTIAL OR INCIDENT...

Page 5: ...Installation Manual Part 153379 Organization This Manual is organized into five chapters and two appendices Chapter 1 Introduction contains information about the features and functions of the GT100 Grid Tied Photovoltaic Inverter Chapter 2 Operation contains information on the basic operation of the GT100 Grid Tied Photovoltaic Inverter Chapter 3 Commissioning contains information on safely commis...

Page 6: ...y Additionally two of the models are designed to operate with a 480 Vac utility input one configured for a negative grounded PV array GT100 480 NG and the other configured for a positive grounded PV array GT100 480 PG The model GT100 480 NG Grid Tied Photovoltaic Inverter 480 Vac input negative grounded will be referred to as the GT100 480 NG when it is being referenced individually The model GT10...

Page 7: ...Institute CCU2 Converter Control Unit 2 CFM Cubic Feet per Minute CW Clockwise DSP Digital Signal Processor GUI Graphical User Interface IEEE Institute of Electrical and Electronics Engineers IGBT Insulated Gate Bipolar Transistor kcmil 1000 circular mils LM Liter per Minute NFPA National Fire Protection Association PSL Phase Shift Loop PV Photovoltaic UFCU Universal Frontpanel Control Unit VFD Va...

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Page 9: ...vernmental code requirements for licensing and training for the installation of Electrical Power Systems with AC and DC voltage to 600 volts To reduce the risk of electric shock do not perform any servicing other than that specified in the installation instructions unless you are qualified to do so Do not open the cabinet doors if extreme moisture is present rain or heavy dew WARNING Lethal Voltag...

Page 10: ...100 WARNING Amputation Hazard The inverters contain integrated ventilators including rotating ventilator wheels Do not place fingers in ventilator WARNING Burn Hazard Inverters contain components that become hot during normal operation Do not touch CAUTION The GT100 incorporates an air supply and exhaust air area which must remain unobstructed The device can overheat and be destroyed if the instal...

Page 11: ...el Only qualified personnel should perform the transportation installation and initial operation and maintenance of the GT100 in accordance with National Electrical Code ANSI NFPA 70 as well as all state and local code requirements Follow all national accident prevention regulations Qualified personnel within the meaning of these basic safety regulations will be people who are familiar with the in...

Page 12: ...B3 as well as TB4 and TB5 PV GND located in the lower right side of the enclosure Do not connect the grounded power conductor from the PV array directly to TB5 PV GND doing so will bypass the ground fault detector and violate the NEC 6 The TB3 TB4 and TB5 terminals require the use of a UL approved crimp on type ring lug or a UL approved compression type lug certified for use with the chosen interf...

Page 13: ...ransformer and utility will maintain their existing ground reference at the utility distribution transformer Operational Safety Procedures Never work alone when servicing this equipment A team of two is required until the equipment is properly de energized locked out and tagged and verified de energized with a meter Thoroughly inspect the equipment prior to energizing Verify that no tools or equip...

Page 14: ...witch 6 Using a confirmed accurate meter verify all power to the inverter is de energized A confirmed accurate meter must be verified on a known voltage before use Ensure that all incoming energy sources are de energized by checking the following locations at all line to line and all line to ground configurations AC Utility Terminals TB1 A TB1 B TB1 C TB1 N and TB2 GND BUS See Figure i on page xii...

Page 15: ...Safety 153378 xiii Figure i AC Utility Terminals Figure ii DC Terminals TB1 N A TB2 B C TB5 PV GND TB3 TB4 ...

Page 16: ...s designed to meet NEC Article 690 and UL1741 2005 Static Inverters And Charge Controllers For Use In Photovoltaic Power Systems which includes testing for IEEE 1547 1 2005 IEEE 929 2000 and IEEE 519 2000 Intended Use The GT100 may only be used in connection with PV modules It is not suitable for any other application areas ...

Page 17: ... Circuit Diagram 1 10 Operator Interface Controls 1 11 On Off Switch 1 12 Emergency Stop E STOP 1 12 Auxiliary Enable Disable 1 12 AC Disconnect and DC Disconnect Switches 1 13 Operation Features 1 14 Fixed Unity Power Factor Operation 1 14 Peak Power Tracking 1 14 Utility Voltage Frequency Fault Automatic Reset 1 15 Safety Features 1 16 Anti Island Protection 1 16 PV Ground Fault Detection 1 16 D...

Page 18: ...g the Date and Time 2 23 Manual State Transitions 2 24 Automatic State Transitions 2 24 Auto restart Feature 2 25 Energize Procedure Startup 2 26 Lockout and Tag 2 26 Computer Communications with the GT100 2 28 3 Commissioning Commissioning Procedure 3 2 Starting the Commissioning Test 3 3 Serial Number 3 3 Inverter Enclosure 3 3 Verify AC Voltage 3 3 Verify DC Voltage 3 3 Apply Grid Voltage 3 4 F...

Page 19: ... Procedure 5 2 Maintenance Intervals 5 5 Periodic Maintenance 5 5 Monthly Intervals or As Required 5 5 Six Month Intervals 5 5 A Specifications System Specifications A 2 Environmental Specifications A 2 Electrical Specifications A 3 Regulatory Specifications A 3 Over Voltage Under Voltage and Frequency Ranges A 4 Bolt Sizing and Torque Requirements A 5 Dimensions A 6 B Commissioning Test Record Co...

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Page 21: ...ure 2 1 State Transition Diagram 2 3 Figure 2 2 Operating States Flow Chart for Power Tracking 2 6 Figure 2 3 The Universal Front Panel Control Unit UFCU and VFD 2 7 Figure 2 4 Initialization Screens 2 8 Figure 2 5 Operator Interface Menu Diagram 2 10 Figure 2 6 Scrolling through the Read Menu 2 12 Figure 2 7 Read by ID Feature 2 15 Figure 2 8 State Transition Diagram 2 22 Figure 2 9 VFD showing F...

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Page 23: ...odes 4 5 Table A 1 Environmental Specifications A 2 Table A 2 Electrical Specifications A 3 Table A 3 Regulatory Specifications A 3 Table A 4 Over Under Voltage and Over Under Frequency Ranges A 4 Table A 5 AC Terminal Bolt Size and Torque Values A 5 Table A 6 DC Terminal Bolt Size and Torque Values A 5 Table A 7 DC Terminal Conductor Range and Torque Values A 5 Table A 8 Auxiliary Control Interfa...

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Page 25: ...1 Introduction Chapter 1 Introduction contains information about the features and functions of the GT100 Grid Tied Photovoltaic Inverter ...

Page 26: ...ures the optimum power throughput for harvesting energy from the photovoltaic array Advanced Design Features The advanced design of the GT100 includes an EMI output filter and the main AC contactor located electrically on the utility side of the isolation transformer to minimize transformer tare losses when the unit is not operating The GT100 also includes an Inrush Limit assembly to prevent nuisa...

Page 27: ...2 connection for remote monitoring Alternatively a user selectable RS485 Modbus connection is also available for remote plant monitoring Physical Characteristics The GT100 is assembled in a single NEMA 3R corrosive resistant powder coated enclosure that includes two access doors to house the electronics described above Internally the GT100 is compartmentalized to include sections for the AC Interf...

Page 28: ...Introduction 1 4 153378 Figure 1 2 GT100 Major Sections Isolation Transformer section DC Interface section AC Interface section Power Electronics section ...

Page 29: ... Terminals TB1 N A B and C AC Disconnect AC Contactor and EMI Filter Additionally the Inrush PCB assembly control power transformer control fuses and AC sensing circuitry are also housed in this section AC Utility Terminals Each terminal provides one hole with space for two cables with a M10 bore diameter see Table A 5 on page A 5 for torque requirements Figure 1 3 AC Utility Terminals ...

Page 30: ...ignal type are identified in Figure A 8 on page A 6 Communications Circuit The GT100 can be remotely accessed through an RS232 serial port or through an RS485 Modbus connection Xantrex offers modems that can be connected to the RS232 port for remote monitoring The remote user has the ability to control and monitor the status of the inverter through this connection Alternatively a user selectable R...

Page 31: ...tromechanical components and power electronics converters communication with the Universal Front Panel Control Unit and system sensors The CCU2 also contains the necessary DC power supplies to support its operation Power Electronics Matrix The power electronics converter matrix consists of switching transistors IGBTs transistor gate drive electronics laminated DC bus structure DC capacitors and an...

Page 32: ...ents The table below describes the DC terminal polarity for each GT100 model WARNING Shock Hazard Xantrex recommends the installation of PV array disconnect s to ensure personal safety during GT100 maintenance WITHOUT PV ARRAY DISCONNECT S ONCE THE DC DISCONNECT SWITCH S1 IS OPEN THERE WILLSTILL BE DC VOLTAGE on the DC terminals TB3 TB4 AND TB5 PV GND This voltage may be as high as the open circui...

Page 33: ... page A 5 for acceptable wire range and torque requirements The table below describes the DC terminal polarity for each GT100 model with the GTFC installed Figure 1 6 GT Fused Combiner Connectors TB5 PV GND GTFC TB4 Table 1 2 DC Terminal Polarity with GTFC Model GTFC TB4 TB5 GT100 208 NG PV PV PV GND GT100 208 PG PV PV PV GND GT100 480 NG PV PV PV GND GT100 480 PG PV PV PV GND ...

Page 34: ...gram C AC GRID 3 PHASE 60HZ GND C N N 2 8 1 7 TB1 B A A B 3 4 6 5 CB1 BOT TOP LF1 L3 X3 SH H0 H3 AC CONTACTOR FILTER EMI L2 L1 K1 X2 X1 H2 T1 100KVA H1 SINGLE POINT EARTH GROUND TB5 TO PV GND C MATRIX POWER B A K2 A2 A1 TB4 TB3 5 3 6 4 1 S1 2 F4 R1 INRUSH LIMIT CCU2 TB2 ...

Page 35: ... view system operation and status The keypad is comprised of 20 touch sensitive keys that provide a means to navigate through the menus and alter user changeable settings Additionally there is an AC Disconnect switch handle and DC Disconnect switch handle on the AC Interface door left and the DC Interface door right respectively Figure 1 8 GT100 Operator Interface Components VFD Display Universal ...

Page 36: ...gency Stop E STOP Provisions are supplied for adding a remote emergency stop Circuit termination and signal type are identified in Table A 8 on page A 6 Auxiliary Enable Disable The GT100 also has provisions for installing an auxiliary Enable Disable switch in series with the local control This is advantageous for coordination of the GT100 at specific installations where a pre existing back up eme...

Page 37: ...n auxiliary contact block which enables the switch to be used as a load break DC disconnect In the event the DC Disconnect switch is opened while the GT100 is processing power from the PV array the early break contact block will signal the CCU2 Converter Control Unit to stop processing power prior to opening the DC Disconnect switch Additionally opening the DC Disconnect switch will cause the GT10...

Page 38: ...oints of the PV array and maintain the maximum peak PV output power Accessible via the UFCU there are five user settable parameters that control the behavior of the maximum peak power tracker within the GT100 As show in Figure 1 11 on page 1 15 user settable parameters include PPT V Ref ID 37 I PPT Max ID 42 PPT Enable ID 44 PPT Rate ID 45 and PPT V Step ID 46 Upon entering the Power Tracking mode...

Page 39: ...he maximum allowable power level of the GT100 the MPPT will increase voltage as needed to maintain output power below the rated maximum Optimization of the GT100 MPPT will result in an increase in energy production The user is encouraged to study the PV array s I V curves and to adjust the MPPT user settable parameters accordingly Utility Voltage Frequency Fault Automatic Reset In the event of a u...

Page 40: ...lt condition will remain latched until the utility voltage and frequency have returned to normal for at least 5 minutes This method has been extensively tested and proven to exceed the requirements of IEEE 929 Recommended Practices for Utility Interface of Photovoltaic PV Systems and UL 1741 Static Inverters and Converters for use in Independent Power Systems PV Ground Fault Detection The GT100 is...

Page 41: ...ftware required may require additional hardware External Monitoring Optional via a RS485 Modbus connection for remote plant monitoring System Status and Fault Reporting Basic system status and all fault conditions rising from within the GT100 are reported to the UFCU The 4 line VFD will display a hexadecimal value and a brief text description of the fault Additionally the CCU2 stores the time and ...

Page 42: ...Introduction 1 18 153378 Figure 1 12 VFD Display and UFCU Location Universal Front Panel Control Unit UFCU VFD Display ...

Page 43: ...e the capacity of the buffer is exceeded The log capacity is 25840 20 1292 records each record has 2 words for timestamp and 18 words for parameters Data logging requires the use of a PC connection using the GT View Graphic User Interface GUI software or via the RS485 Modbus connection The following is the list of parameters which values shall be stored in the data logging records Inverter Vab Inv...

Page 44: ...nto DONE status The log will start recording again as soon as the fault is cleared Oscillography requires the use of a PC connection using the GT View Graphic User Interface GUI software or via the RS485 Modbus connection The following is the list of parameters which instant values shall be stored in the oscillography records Vab Grid voltage phase A to phase B Vbc Grid voltage phase B to phase C ...

Page 45: ...mbiner The GT100 is available with an optional fused sub array combiner GTFC The GTFC fused combiner is integrated in the inverter enclosure and allows for multiple runs from the PV Arrays to the inverter directly into a fuse for circuit protection The GTFC Fused Combiner assemblies are available for the GT100 Grid Tied Photovoltaic Inverter in the following configurations GTFC 100A Xantrex p n 1 ...

Page 46: ...1 22 ...

Page 47: ...2 Operation Chapter 2 Operation contains information on the basic operation of the GT100 Grid Tied Photovoltaic Inverter ...

Page 48: ...the ON or closed position Fault conditions must not be present Faults Fault states are automatic from any state of operation In the event of a fault condition the GT100 will immediately stop processing power and execute an immediate orderly shutdown open both the main AC and DC contactors and remain in a faulted state until the fault is remedied and cleared manually or automatically Most faults ar...

Page 49: ...for all states of operation Fault states are automatic from any state of operation A fault will cause the GT100 to immediately stop processing all power The fault condition will be reported to the operator interface VFD Most GT100 faults are latching and must be cleared at the operator interface keypad before transitioning to another operating state The ON OFF switch located on the front door of t...

Page 50: ... 3 for an illustration of valid state transitions Power Tracking This is the standard operating state of the GT100 The GT100 maximum power tracker will demand maximum power from the PV array given sufficient PV irradiance Refer to Figure 2 2 on page 2 6 for an illustration of valid operating states for Power Tracking Automatic Sleep Test Toward the end of every solar day the GT100 automatically de...

Page 51: ...tion for the GT100 to enter this state Fault The GT100 has encountered a fault condition When this happens regardless of the GT100 state of operation the GT100 will stop processing all power and execute an orderly system shutdown A description of the fault and fault code will appear on the operator interface VFD The Fault state may be cleared from the keypad once the cause of the fault has been co...

Page 52: ... 1 0kW PV P STOP PV Power 1 0kW PV P STOP PV Voltage 300V Min Oper TEST for 5 0 min PV T STOP PV Voltage 300V Min Oper 5 minutes elapsed System State Shutdown Inverter State Standby PV State Wake Up System State Shutdown Inverter State Main Settling PV State Wake Up System State Power Tracking Inverter State On Line PV State On Line System State Power Tracking Inverter State On Line PV State Sleep...

Page 53: ...function keys are available F1 While in the READ Menu this key jumps to display INV A Volts If the GT100 is faulted while in the Read Menu this key is used to send the Clear Fault message to the CCU2 While in the Write Menu this key is used to set Goal F2 While in the READ Menu this key jumps to display INV kW While in the WRITE Menu this key jumps to display PPT V Ref F3 While in the READ Menu th...

Page 54: ... parameters 4 The MENU key allows you to enter the password protected Write parameters VFD Display Initialization Screen Any time AC power is applied to the unit the VFD display will cycle through the following displays while the system initializes Once it s done with this process the standard display will appear Figure 2 4 Initialization Screens Front Panel Initialization Screen 1 System Initiali...

Page 55: ...s values over a period of time The data logging feature is only available if using the GT View GUI See the list of stored parameters on page 1 19 Information reported back to the user READ Menu occurs at the VFD above the Universal Front Panel Control Unit UFCU and if used at the computer running the GT View GUI monitoring program Making changes to the parameters within the Write Menu is done with...

Page 56: ... 2 on page 2 13 provides a detailed description of READ Menu operational values that are displayed on the VFD To Display Any Operational Value in the READ Menu From the Standard Display use the or keys on the operator interface keypad to scroll through the READ Menu The fourth line of the display will change to display the appropriate information See Table 2 1 The key will scroll downward through ...

Page 57: ... Software Version CCU 151 0130 xx xx Model Name G T 1 0 0 k W Date and Time JUN 25 2007 15 35 05 Goal State PWR Tracking Inverter A B Volt INV A Volts Inverter B C Volt INV B Volts Inverter C A Volt INV C Volts Inverter A Current INV A Amps Inverter B Current INV B Amps Inverter C Current INV C Amps Inverter AC Power INV kW Inverter Matrix Temperature INV Temp Air Duct Intake Temperature Ambient T...

Page 58: ...Model Name 7 Press the again continue scrolling through the Read Menu The fourth line will continue to change as described in Table 2 1 System PWR Tracking Inverter Online PV Online Read Menu item System PWR Tracking Inverter Online PV Online 151 0410 xx xx System PWR Tracking Inverter Online PV Online CCU 151 0133 xx xx System PWR Tracking Inverter Online PV Online G T 1 0 0 k W System PWR Tracki...

Page 59: ...g Shut Down 2 PWR Tracking 4 Manual Current 5 Matrix Test 6 2 N A Fault code See Fault Code Descriptions on page 4 5 for a detailed list of Fault Codes 3 N A Inverter State Displays as Inverter where can be any one of the states listed in the description for this parameter Inverter States includes the following Shutdown 0 Stand by 1 Starting 2 Main Settling 3 On Line 4 4 N A Line A B voltage Displ...

Page 60: ...leep 1 Wakeup 2 On line 3 Sleep test 4 13 N A PV Voltage Displays as PV Volt xxx PV Voltage 14 Vdc PV Current Displays as PV amps xxx PV Current 15 Adc PV Power Displays as PV kW xxx PV Power 16 kW Grid Frequency Displays as Grid Freq Grid Frequency 17 Hz Air Duct IntakeTemperature Displays as Ambient Temperature Temperature of the ambient air within the intake duct at the rear of the GT100 25 C A...

Page 61: ... or Accumulated Value ID number and press ENTER See Table 2 2 for a list of READ Menu items and their ID numbers a Press the button to move upward in the Menu structure b Press the to move backward in the menu structure These keys only function in the Read by ID feature Figure 2 7 Read by ID Feature Press ENTER when this screen appears to access the Read by ID feature Use the keypad to enter the d...

Page 62: ...e Use the or key on the operator interface keypad to scroll through the WRITE Menu parameters a To change the displayed parameter press the ENTER button b This will ask for a password c Enter the password 5 9 4 and press the ENTER button If the wrong password is entered the display will again prompt the user for the password If a mistake is made while keying in the password the or keys may be used...

Page 63: ... hour clock 4 30 pm is entered 163000 Maximum Grid Voltage Displays as Max AC Volts This parameter sets the trigger point value for AC voltage High 0013 fault If the grid voltage is over this parameter s value the fault is triggered The upper limit of this parameter is restricted by UL 1741 requirements 32 Percentage of Nominal voltage 110 120 110 Minimum Grid Voltage Displays as Min AC Volts This...

Page 64: ...inverter from PV Sleep state to PV Wake Up state When the PV voltage reaches the value of this parameter the inverter transitions into PV Wake Up mode 38 Volts 440 600 300 Time Delay for PV Wake up Displays as PV T Start Time delay to transition from PV wake up state to PV On line state Once the inverter is in PV Wake Up mode it waits for the amount of time determine by this parameter before trans...

Page 65: ... to produce while in manual current mode 43 Percentage of maximum output current 25 110 0 Enable Peak Power Tracker Displays as PPT Enable This parameter switches on and off the Power Tracker function When the Power Tracker is on the inverter will regulate the bus voltage to optimize output power When the Power Tracker is off the inverter will regulate the bus voltage to maintain it at PPT V Ref v...

Page 66: ...of this parameter are restricted by UL 1741 requirements 56 AC cycles 12 N A N A Minimum AC Voltage Delay Displays as Min Volt Delay This parameter sets the time delay value in AC cycles for the AC voltage low 0012 fault If the grid voltage remains below the minimum AC voltage setting Min AC Volts for the duration of this delay period the fault is then triggered The limits of this parameter are re...

Page 67: ...ar feature corresponding with the AC Voltage and Frequency 0013 0012 0011 and 0010 faults The AC Voltage and Frequency must remain within their respective limits before an Auto Clear can occur The limits of this parameter are restricted by UL 1741 requirements 60 Seconds 300 300 10 Modbus Protocol ON Displays as Modbus ON This parameter sets the protocol used by the serial port J1004 on the CCU2 T...

Page 68: ...ss the ENTER button 4 Scroll through the goal state menu with the or keys until the desired goal state is displayed on the fourth line of the display 5 Press ENTER The VFD will then prompt the user by displaying the following text on the third line Press F4 to Confirm 6 Press F4 and the GT100 will transition to this goal state If the goal state requested violates the conditions of the state machin...

Page 69: ...press the ENTER button 5 Enter the proper date or time in a six digit format For example a The date is entered month day year mmddyy April 28 2005 is entered 042805 ENTER b The time is entered in military hours minutes seconds i e 24 hour clock 4 30 pm is entered 163000 ENTER If a mistake is made while entering the date or time the and keys may be used as a backspace key Any two digit year YY may ...

Page 70: ...eater current than the capacity of the PV array If this causes the PV voltage to drop below the minimum operating voltage 300 Vdc the GT100 will transition to Shutdown 3 To exit the Manual Current mode the user must manually command the GT100 to Power Tracking Automatic State Transitions State conditions can also be transitioned automatically Refer to Commanding Goal State Changes on page 2 22 for...

Page 71: ...e from the READ Menu If a fault occurs while accessing the WRITE Menu pressing MENU once will return to the Read Menu and F1 to Clear Fault will appear on the third line of the VFD display Auto restart Feature In the event of an Air Duct Intake temperature excursion beyond 20 to 55 C or a utility voltage or frequency excursion outside of those specified in Table A 4 on page A 4 the GT100 will auto...

Page 72: ...stalled on each energy source prior to servicing The GT100 can be energized from both the AC source and the DC source To ensure that the inverter is de energized prior to servicing lockout and tag the GT100 using the following procedure 1 Turn the GT100 main ON OFF switch S3 to the OFF position This stops the inverter from exporting power to the AC utility grid 2 Open lockout and tag the incoming ...

Page 73: ...s TB1 A TB1 B TB1 C TB1 N and TB2 GND BUS See Figure 2 10 on page 2 27 for the location of these terminals PV Terminals TB3 TB4 and TB5 PV GND See Figure 2 11 on page 2 28 for the location of these terminals WARNING Shock Hazard Xantrex recommends the installation of PV array disconnect s to ensure personal safety during GT100 maintenance WITHOUT PV ARRAY DISCONNECT S ONCE THE DC DISCONNECT SWITCH...

Page 74: ...dows based program that displays system status accesses inverter controls accesses metering and data logging capabilities and controls protective functions If multiple inverters are networked together the software is capable of tracking multiple inverters on the same network Ensure the appropriate hardware is in place before proceeding with installing the GUI See the PC Connection Methods section ...

Page 75: ...3 Commissioning Chapter 3 Commissioning contains information on safely commissioning the GT100 Grid Tied Photovoltaic Inverter ...

Page 76: ...s described in detail further in this section The steps are summarized below a Record the Serial Number b Inspect GT100 Inverter Enclosure c Verify AC and DC Voltages d Apply Grid Voltage e Check the Front Panel Display f Confirm Operational Parameters AC DC and Power Tracker g Apply DC Voltage h Perform the Matrix Test i Operate Inverter 3 Submit the Commissioning Test Record on page B 3 and Fax ...

Page 77: ... present at the bottom of TB1 A TB1 B TB1 C and TB1 Neutral 208 or 480 Vac These terminals are located in the AC Interface 3 If grid voltage is not available to the unit close and lock the GT100 Inverter Enclosure The Commissioning Test procedure must cease at this point Do not attempt to continue the test until each step can be checked and verified Verify DC Voltage 1 Open the right door of the G...

Page 78: ...ing the F1 key on the keypad of the UFCU If additional alarms are present refer to Table 4 1 on page 4 5 3 Once all faults are clear the front panel should report Switched Off and show Inverter Status 4 Using the key scroll down in the READ Menu and verify that the Time and Date are correct 5 If not refer to the Setting the Date and Time on page 2 23 6 Scroll thru the parameters and verify that th...

Page 79: ...fer to the Matrix Gate Faults listed on page 4 5 of the Troubleshooting section 5 To stop the test select Goal state from the GUI or Front Panel and choose Shutdown Operate Inverter 1 Make sure all doors are closed and locked 2 Using the Front Panel or the GUI set the I PPT Max percent to 25 3 Place the ON OFF Switch in the ON position If the PV voltage is above PV Start voltage threshold followed...

Page 80: ...pleted all the commissioning steps ensure all the information is documented 2 Email the completed Commissioning Test Record to pvcommissioningreport xantrex com 3 Fax a copy of product and purchase information found in General Project and Product Information on page WA 4 to Xantrex ...

Page 81: ...edures for troubleshooting the GT100 Grid Tied Photovoltaic Inverter It provides descriptions of common situations and errors that may occur and provides possible solutions for resolving fault conditions It also provides instructions for clearing faults manually if required ...

Page 82: ...y or five minutes respectively All other faults must be cleared manually All fault conditions arising from within the GT100 are reported to the UFCU Universal Frontpanel Control Unit The 4 line VFD will display a hexadecimal value fault code and a brief text description of the fault Most faults are latching and only those faults associated with grid disturbances and Air Duct Intake temperature exc...

Page 83: ...ntact either your Distributor Reseller or Xantrex Customer Service Important Before clearing a fault it is recommended that the Oscillography data be retrieved from the CCU2 The log will start recording again and over write the previous data once the fault is cleared WARNING Lethal Voltage In order to remove all sources of voltage from the GT100 the incoming power must be de energized at the sourc...

Page 84: ...corrected and then cleared manually using the UFCU or GUI The following procedure describes how to manually clear a fault message from the VFD To clear the fault 1 Determine the source of the fault using Table 4 1 Fault Codes on page 4 5 Correct the fault condition 2 Ensure the fault code and Clear Fault message is displayed in the VFD a If the Clear Fault message is not shown on the second line o...

Page 85: ... limit 0011 AC Frequency High S This fault indicates that the Utility grid frequency is above or rose above the maximum allowed value of 60 5 Hz default for greater than 10 cycles This fault is auto clearing Once the Utility grid frequency has recovered within the acceptable operating range the GT100 will qualify the value and automatically clear this fault and resume normal operation after a dela...

Page 86: ...id while the GT100 was processing power K1 was opened while the GT100 was processing power 0018 AC Contactor Open S This fault indicates that the GT100 has detected a sudden phase shift between AC voltage and current of greater than 0 8 radians during a twelve second period This normally is the result of the AC contactor opening while the GT100 is processing power K1 was opened while the GT100 was...

Page 87: ... the two first digits are added in hexadecimal form to indicate an over current condition in more than one phase thus the error code will contain the summation of the faulted phases P3 or P1002 on CCU2 is loose or disconnected AC system wiring short 0033 Ground Over Current S This fault indicates that the GT100 has detected that the ground fault current has exceeded the maximum allowed value This ...

Page 88: ...d that the system is in Programming mode This fault does not indicate any malfunction with the GT100 but is merely an indication that the system software is in the process of being downloaded into the EEPROMs of the CCU2 0041 State Invalid S The state machine implemented within the CCU2 system software governs the operation of the GT100 This fault indicates that the GT100 has detected an unknown s...

Page 89: ...pt 2 timeout has occurred The CCU2 controller board performs a conversion validation of analog to digital data within the A to D converters If validation of the conversion is not performed within 500mS an interrupt 2 timeout fault will occur Internal A to D converter error CPU error 0047 Software Test S This fault indicates that the GT100 has detected that a software test fault has occurred This i...

Page 90: ...d in more than one phase thus the error code will contain the summation of the faulted phases Fiber optic harness is loose or disconnected CCU2 15 Vdc Power Supply is defective P1 on driver board is loose or disconnected XX53 Unused Matrix Over Current H Fundamentally an Unused Matrix Gate Fault should not occur however if it does it is generally indicative of a CCU2 malfunction 0153 A 0253 A 0453...

Page 91: ...noperable P2 or P3 on CCU2 is loose or disconnected CCU2 15 Vdc Power Supply is defective 0073 Remote Emergency Stop S This fault indicates that the GT100 has detected that the Remote Emergency Stop circuit TB7 1 2 is open or activated This fault is primarily for personnel safety Activating the Remote Emergency Stop while the GT100 is processing power will cause an immediate orderly shutdown of th...

Page 92: ...id frequency is below or fell below the minimum allowed value of 57 0 Hz Fixed for greater than 10 cycles Fixed This fault is auto clearing Once the Utility grid frequency has recovered within the acceptable operating range the GT100 will qualify the value and automatically clear this fault and resume normal operation after delay period Utility grid frequency fell below the allowable limit 0092 Fa...

Page 93: ...a delay period Utility grid voltage rose above the allowable limit 0094 Ambient Temperature S This fault indicates that the GT100 has detected that the temperature of the ambient air within the intake ducting use for Inverter ventilation has exceeded either the minimum or maximum allowed values of 20 and 55 C respectively This fault is Auto Clearing once the ambient temperature remains within the ...

Page 94: ...4 14 ...

Page 95: ...5 Preventative Maintenance Chapter 5 Preventative Maintenance contains information and procedures for performing preventative maintenance on the GT100 Grid Tied Photovoltaic Inverter ...

Page 96: ... ON OFF switch S3 to the OFF position This stops the inverter from exporting power to the AC utility grid 2 Open lockout and tag the incoming power at the utility main circuit breaker 3 Open lockout and tag the AC Disconnect CB1 on the left door of the GT100 enclosure See Figure 1 10 on page 1 13 for the location of the AC Disconnect 4 Open lockout and tag the incoming power at the PV array discon...

Page 97: ...B3 TB4 TB5 PV GND See Figure 5 2 on page 5 4 for the location of these terminals CAUTION Xantrex recommends the installation of PV array disconnect s to ensure personal safety during GT100 maintenance WITHOUT PV ARRAY DISCONNECT S ONCE THE DC DISCONNECT SWITCH S1 IS OPEN THERE WILLSTILL BE DC VOLTAGE on the DC terminals TB3 TB4 AND TB5 PV GND This voltage may be as high as the open circuit voltage...

Page 98: ...Preventative Maintenance 5 4 153378 Figure 5 2 DC Terminal Locations Figure 5 3 DC Terminal Locations with GTFC installed TB3 TB4 TB5 PV GND GTFC TB4 TB5 PV GND ...

Page 99: ...ause the GT100 to enter a Fault state based upon an over temperature alarm Remove and clean if debris is present Fan Operation Verify proper operation of the cooling fan located at the rear of the enclosure This fan is dependent upon GT100 power level operation and temperature of the matrix heatsink The fan will operate if the matrix temperature reaches at least 30 C and the INV kW is at least 30 ...

Page 100: ...e to thermal cycling during normal operation As electrical connections loosen impedance will increase at the connection eventually leading to possible fire and component damage It is critical to check all electrical connections every six months See termination torque specifications for AC connections in Table A 5 on page A 5 See termination torque specifications for DC connections in Table A 6 on ...

Page 101: ...A Specifications Appendix A provides the environmental and electrical specifications for the GT100 Grid Tied Photovoltaic Inverter ...

Page 102: ...d the terms of the warranty Table A 1 Environmental Specifications Specification Value Dimensions 1861 8 mm H x 1702 0 mm W x 1171 0 mm D 73 3 in H x 67 0 in W x 46 1 in D Weight 1361 kg 3000 lbs Allowable Ambient Temperature Operating Storage 15 C to 50 C Maximum 5 F to 122 F 40 C to 50 C Maximum 40 F to 122 F Relative Humidity to 95 non condensing Elevation 2000 m 6600 ft Protection Class NEMA 3...

Page 103: ...to 60 5 Hz 60 Hz 57 0 to 60 5 Hz Line Power Factor 0 99 0 99 Output Power 100 kW 100 kW Sell Power Range 1 kW to 100 kW 1 kW to 100 kW Peak Power Tracking Window 300 to 480 Vdc 300 to 480 Vdc Maximum Open Circuit Voltage 600 Vdc 600 Vdc Nominal DC Voltage 345 Vdc 345 Vdc Maximum DC Current 347 A 347 A DC Current Ripple 2 at rated power 2 at rated power Maximum Array Short Circuit Current 460 A 460...

Page 104: ...s Vac Condition of Nominal GT100 480 NG and GT100 480 PG Voltage Range GT100 208 NG and GT100 208 PG Voltage Range Trip Time Vac 50 Fast Under voltage Vac 240 Vac 104 10 cycles 50 Vac 88 Under voltage 240 Vac 423ª 104 Vac 184ª 2 seconds 88 Vac 110 Nominal 423 Vac 528 184 Vac 228 normal operation 110 Vac 120 Over voltage 528 Vac 576ª 228 Vac 249ª 1 second 120 Vac Fast Over voltage 576 Vac 249 Vac 1...

Page 105: ... Hole Size Torque Requirements PE Enclosure Ground 2 1 M10 75 Nm 55 lb ft TB1 A TB1 B TB1 C and TB1 N 1 1 41 Thru M10 75 Nm 55 lb ft Table A 6 DC Terminal Bolt Size and Torque Values DC Terminal Connections Max of Conductors per Terminal Bolt Hardware Size Torque Requirements TB3 TB4 and TB5 6 6 41 Thru M10 75 Nm 55 lb ft Table A 7 DC Terminal Conductor Range and Torque Values Fused Combiner Termi...

Page 106: ...rew Size and Torque Values Aux Control Connections Max of Conductors per Terminal Screw Hardware Size Torque Requirements Signal Type TB7 1 2 Remote Emergency Stop 1 6 32 0 5 Pan Hd Phil provided 1 35 Nm 12 lb in N C Contact 15Vdc 10mA TB7 3 4 Aux Enable Disable 1 6 32 0 5 Pan Hd Phil provided 1 35 Nm 12 lb in N C Contact 15Vdc 10mA Figure A 1 GT100 Dimensions 1861 8 mm 73 3 in 1702 0 mm 67 0 in 1...

Page 107: ...B Commissioning Test Record Appendix B contains the Commissioning Test Record for the GT100 Grid Tied Photovoltaic Inverter ...

Page 108: ...B 2 ...

Page 109: ...o the GT100 Control Power circuits energized Yes Notes Step 6 Confirm Operation of Universal Frontpanel Control Unit UFCU Boots and Displays correctly Yes PV Disconnect Switch Fault Clears Yes Software version CCU2 SW Software version UFCU SW Notes Step 7 Confirm Write Menu Parameters for AC Limits Max AC Volts Min AC Volts Max AC Frequency Min AC Frequency Max GND Fault Notes Step 8 Confirm Write...

Page 110: ...B 4 ...

Page 111: ...t Xantrex Customer Service for details on freight policy for return shipments from excluded areas How do you get service If your product requires troubleshooting or warranty service contact your merchant If you are unable to contact your merchant or the merchant is unable to provide service contact Xantrex directly at Direct returns may be performed according to the Xantrex Return Material Authori...

Page 112: ... OTHERWISE INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY IN NO EVENT WILL XANTREX BE LIABLE F...

Page 113: ...t acceptable A contact telephone number where you can be reached during work hours A brief description of the problem Ship the unit prepaid to the address provided by your Xantrex customer service representative If you are returning a product from outside of the USA or Canada In addition to the above you MUST include return freight funds and are fully responsible for all documents duties tariffs a...

Page 114: ...in order to apply for the 63 months Limited Warranty General Project and Product Information Customer Company Name ______________________________ Project Name ______________________________ System Location Information Street ______________________________ City ______________________________ State ZIP Code ______________________________ Xantrex Inverter Model ______________________________ Serial N...

Page 115: ...rface 1 8 DC Interface Enclosure 1 8 DC Over voltage Detection 1 16 DC Terminals 1 8 De energize xii De energize Isolation Procedure 5 2 Disconnect Switches 1 13 DSP v E Emergency Stop 1 12 E STOP 1 12 F Fault Code Descriptions 4 5 Fault Reporting and Logging 1 17 Faults 2 2 Faults and Fault Codes 4 2 Fused Combiner 1 9 G General Safety ix General Troubleshooting 4 3 Goal State 2 22 Graphic User I...

Page 116: ...e 2 23 Standard Display 2 9 VFD Display Initialization Screen 2 8 Optional Equipment 1 21 Oscillography 1 20 P Periodic Maintenance 5 5 Personal Safety ix Power Electronics 1 7 Power Electronics Matrix 1 7 PSL v PV v PV Combiner 1 21 PV Ground Fault Detection 1 16 R Read Menu 2 10 Read by ID 2 15 S Safety vii Safety Equipment ix Shutdown 2 26 Specifications A 2 Electrical A 3 Environmental A 2 Ove...

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Page 118: ...153378 Printed in USA Xantrex Technology Inc 1 800 670 0707 Tel toll free NA 1 408 987 6030 Tel direct 1 800 994 7828 Fax toll free NA customerservice xantrex com www xantrex com ...

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