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SECTION 6
PREVENTATIVE MAINTENANCE

PV-45208 Photovoltaic Inverter

Operation and Maintenance Manual

Copyright 2002, Xantrex Technology Inc.

DOCUMENT: 151710

6-1

PERIODIC MAINTENANCE

Xantrex Technology recommends that the following preventative maintenance be carried out on the
PV-45208:

Monthly intervals or as required:

Aluminum Extrusion Heatsink

Accumulation of dirt and debris on the aluminum extrusion heatsink and fan shroud will de-
crease the ability to transfer heat, which can cause the PV-45208 to shutdown on over-tempera-
ture alarms. Inspect the aluminum extrusion heatsink and fan shroud for accumulation of dirt
and debris. Remove enclosure panels and clean if debris is present.

Fan Operation

Verify proper operation of the heatsink cooling fan, located within the lower enclosure. The fan
operates when the K1 contactor is closed. Remove any debris from the fan and finger guard.

Six month intervals:

(See Isolation Procedure and perform prior to the following)

Enclosure Seals

Inspect the enclosure access panel seal. If damaged, replace with equivalent closed cell foam
gasket. Call your Xantrex Technology distributor for factory replacements or specifications.

Electrical Connections

Inspect the condition of all wiring within the PV-45208. Inspect all wire crimps and connec-
tions for damage caused from high temperature. Check for corrosion. Replace any damaged
wires. Verify all mechanical connections are sufficiently tightened. Verify all conduction sur-
faces are clean and free of corrosion.

Mechanical electrical connections will loosen over time. This is caused primarily by thermal
cycling during normal operation. As connections loosen, electrical impedance will increase at
the connection, eventually leading to fire and component damage. It is critical to check all
electrical connections every six months.

Enclosure

Access the enclosure and remove any accumulated dirt and debris. Vacuum enclosure whenever
dust or dirt is present.

ISOLATION PROCEDURE

The following procedure should be followed to de-energize the PV-45208 for maintenance:

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Содержание PV-45208

Страница 1: ...TSAFETYINSTRUCTIONS SAVE THESE INSTRUCTIONS THIS MANUALCONTAINS IMPORTANT INSTRUCTIONS FOR XANTREX TECHNOLOGYMODELPV 45208 GRID TIED PHOTOVOLTAIC INVERTER THAT SHALLBE FOLLOWED DURING INSTALLATIONAND MAINTENANCE OF THE PV 45208 Xantrex Technology Inc 161 G SOUTH VASCO ROAD Livermore CA 94551 925 245 5400 Copyright 2002 Xantrex Technology Inc ...

Страница 2: ...uctions 3 2 InterconnectionWiring 3 4 InitialTurnOnProcedure 3 7 Operation Section 4 DescriptionofSystemOperation 4 1 Operation Features 4 2 Operator Interface LCD 4 5 ExampleofNormalSystemOperation 4 6 SystemOperatingParameters 4 7 Troubleshooting Section 5 General 5 1 FaultConditions 5 1 FaultDescriptionsandTroubleshooting 5 2 Preventative Maintenance Section 6 PeriodicMaintenance 6 1 IsolationP...

Страница 3: ...and associated control electron ics The PV 45208 control software provides for complete overall system control with the required protective and safety features MAJOR COMPONENTS The major components of the PV 45208 are identified in Drawing No 151712 Main Enclosure The enclosure shown in Figure 1 1 is NEMA 3R rated The PV 45208 enclosure contains the solar control bus board output line filter insur...

Страница 4: ...For Utility Interface Of Photovoltaic PV Systems IEEE 929 2000 provides guidance regarding equipment and functions necessary to ensure compatible operation of photovoltaic systems which are connected in parallel with the electric utility UL1741 is the test procedure performed by Underwriters Laboratory on the PV 45208 to verify it meets the rec ommendations of IEEE 929 2000 Refer to both documents...

Страница 5: ...r e p m e T t n e i b m A m u m i x a M C 0 5 y t i d i m u H e v i t a l e R g n i s n e d n o c n o N 5 9 o T n o i t a v e l E t e e f 0 0 6 6 e v o b a d e t a r e D s e h c n i n i s n o i s n e m i D 9 1 X 6 5 3 X 5 4 5 t h g i e W s b l 0 6 2 x o r p p A e p y T e r u s o l c n E R 3 A M E N e l i F g n i t s i L L U 6 5 3 9 9 1 E e l i F EQUIPMENT SYMBOL Chassis ground Customer supplied sy...

Страница 6: ...matic for further detail Upon detection of 10 amps of ground fault current the PV 45208 executes an orderly shutdown and annunciates a ground fault at the operator interface The PV 45208 will remain faulted until the ground fault is remedied and cleared at the operator interface see section 5 troubleshooting To enable this feature for monopolar pv array configuration a jumper is installed between ...

Страница 7: ...ow unity In the event of a utility outage these adjustments destabilize the feedback between the inverter and the remaining load resulting in an over under frequency or voltage condition The PV 45208 then performs an orderly shutdown The fault condition will remain until the utility voltage and frequency have returned to normal for 5 minutes This method has been extensively tested and proven to ex...

Страница 8: ...ll be damaged internally at power up Utility Side Isolation Transformer Requirements The utility side windings of the isolation transformer are configured WYE and must match the voltage at the utility inter tie Verify that the transformer supplied matches the voltage requirement Also the transformer is supplied with a neutral connection on the utility side Connection of this utility side neutral d...

Страница 9: ...Mounted 1 Move the PV 45208 into place Lift the PV 45208 from beneath the lower enclosure with a forklift as shown in Figure 3 2 See following page 2 Anchor the lower enclosure feet to the floor with 1 2 anchor bolts Wall Mounted 1 Screw two 3 8 x 3 1 2 long lag bolts into existing studs in the wall 16 inch mounting center at lower mounting level on PV 45208 Lag bolts should be horizontally level ...

Страница 10: ...N AND INITIAL TURN ON PV 45208 Photovoltaic Inverter Operation and Maintenance Manual Copyright 2002 Xantrex Technology Inc DOCUMENT 151710 3 3 Figure 3 1 Figure 3 2 Figure 3 3 Cable Entry Access Panel Both Sides Lift Here ...

Страница 11: ... CT1 in illustration This circuit is active when the PV array is grounded as described in the previous section In the event of a greater than 10 amps ground fault the PV 45208 will execute an orderly shutdown and annunciates a ground fault at the operator interface The PV 45208 will remain faulted until the ground fault is remedied and cleared at the operator interface see section 5 Trouble shooti...

Страница 12: ... phase over currents and will result in damage to the PV 45208 Also insure that this neutral is not bonded to the isola tion transformer frame System electrical ground to the isolation transformer chassis ground Isolation transformer grid side terminals to line circuit breaker or the AC disconnect switch if present PV frame ground to PV 45208 enclosure chassis ground stud PV 45208 enclosure chassi...

Страница 13: ...002 Xantrex Technology Inc DOCUMENT 151710 3 6 Wiring Diagram Frame Ground Line Circuit Breaker PV 45208 Inverter To Single Point Electrical Distribution System Ground PV Array Xantrex Combiner Box Optional Isolation Transformer A B X1 H1 X2 H2 X0 PV PV X3 GND GND Optional PV Conductor Ground Jumper H0 H3 C NC Optional ...

Страница 14: ...allation and proper operation of the PV 45208 These steps are to be followed sequentially Do not continue if any of the steps or results are unclear Refer to Section 4 for a detailed description of system operation Refer to Section 5 for fault condition descriptions and troubleshooting Refer to Section 7 for detailed system schematics Visual Inspection Isolation Transformer WYE WYE Verify the isol...

Страница 15: ...ose all PV array string disconnect switches if present Close the main PV disconnect switch if present Turn the on off switch to the on position If the PV voltage is above the PV Start Voltage setpoint and the PV Start Time is exceeded the PV 45208 should transition to Power Tracking see Section 4 Operation Depending upon solar conditions the PV 45208 may not operate at full power If the PV array i...

Страница 16: ...ity grid the PV 45208 will wait 5 minutes before starting This insures the PV voltage is not transient in nature and keeps the system from cycling during unstable irradiance conditions Power Tracking The LCD displays Power Tracking while the PV 45208 delivers power to the utility This is the standard operating state of the PV 45208 The PV 45208 maximum power tracker will optimize power output from...

Страница 17: ...line voltage limit of 220 5 the minimum required DC input voltage is approxi mately 320Vdc At the factory set low line voltage limit of 196Vac the minimum required DC input voltage is approximately 282Vdc At nominal 208Vac the minimum DC input voltage is 300Vdc For bipolar array configurations Minimum DC voltage will vary between approximately 340 and 380Vdc Utility Voltage Frequency Fault Automat...

Страница 18: ...minal block For grounded monopolar PV array configurations the ground wire must be connected between TBDC and TB NEUT terminal blocks see the following diagram for clarification and the system schematic in Section 7 This feature is enabled for grounded monopolar PV array configuration at the time of shipment For bipolar PV array configuration the jumper wire must be removed between TBDC and TB NEU...

Страница 19: ...wer the control software determines if it is necessary to make adjustments to the start voltage setpoint If the PV 45208 wakes up and determines that there is insufficient PV array power to support inverter operation the start voltage setpoint is shifted slightly higher This assumes that once the voltage on the array has risen there will be greater PV power as the PV array is exposed to higher irr...

Страница 20: ...n of the fault condition Line 3 Bus Voltage or Fault Code This line reports the Bus Voltage in volts If the PV 45208 is faulted this line will report a code for the fault condition Line 4 Inverter Output Power or Countdown Timer During normal operation this line will report the inverter real time output power During initialization or start up this line displays the countdown timer The on off switc...

Страница 21: ...15 seconds Once the system has finished initializing the PV 45208 will remain in standby until adequate PV voltage is available 5 minutes after the PV start voltage has been reached the PV 45208 will synchronize to the utility grid and begin peak power tracking the PV array The time delay protects the inverter from excessive on off cycling The PV 45208 will continue to process power until the AC o...

Страница 22: ...ters showing valid ranges and the factory default settings Many of these parameters are specific to domestic or European operation Changing parameters not applicable to the region of operation will not affect inverter performance Some field adjustable parameters are password protected and may only be changed by trained service technicians specifically parameters relating to utility protection setp...

Страница 23: ...v e L 0 3 0 3 z H 1 0 5 0 a t l e D n i M q e r F y c n e u q e r F e n i L w o L l e v e L 0 3 0 3 z H 1 0 5 0 y a l e D x a M q e r F e l b a w o l l A m u m i x a M A o T e s n o p s e R e m i T y c n e u q e r F h g i H y t i l i t U n o i s r u c x E 0 6 2 e l c y C 1 6 y a l e D n i M q e r F e l b a w o l l A m u m i x a M A o T e s n o p s e R e m i T y c n e u q e r F w o L y t i l i t U ...

Страница 24: ... _ p m a R _ T P P e m i T p m a R T P P 0 6 1 d n o c e S 1 0 2 p e t S _ V _ T P P p e t S e g a t l o V T P P 0 0 1 1 0 C D V 1 0 1 t n e c r e P _ I _ x a M _ T P P t u p t u O d e d n a m m o C t n e c r e P A s A r e w o P r e w o P d e t a R f O 0 0 1 0 A 1 0 0 1 e t a R _ g o L _ a t a D d e t r o p p u s n U e t a R g n i g g o L a t a D s 5 1 1 m 5 3 m 1 2 m 5 1 4 4 e t a t S _ g o L _ a...

Страница 25: ...er will follow a text description The fault description will remain displayed until the fault has been corrected and cleared Each fault is described on the following page Fault Clearing Faults may be cleared automatically by the PV 45208 or manually by the operator depending upon the type of fault The utility protection faults over under AC line voltage and frequency are self clearing fault condit...

Страница 26: ...0 x 0 t l u a F t n e r r u C d n u o r G 0 0 0 8 x 0 e g a t l o V r e v O s u B C D 0 0 0 4 x 0 t l u a F t e s f f O T C 0 0 0 0 8 e c n a l a b m I t n e r r u C 0 0 0 0 0 1 FAULT DESCRIPTIONS 1 IPM Device Fault 0x0001 Through 0x0020 Both over current and over temperature condition can cause IPM device faults The fault code for both conditions is the same for each device while there is a uniqu...

Страница 27: ... line voltage conditions The first level of response is set to 228 8 VAC with a time delay of less than 2 seconds By default the second level is set to 285 0 VAC with a time delay of less than 2 cycles and is not field adjustable Voltage setpoints may be modified via the operator interface program Utility protection setpoints may only be adjusted by trained personnel with approval by both the loca...

Страница 28: ...he earth safety ground current has exceeded the maximum programmed value Possible causes The negative wire from the PV array has been passed through CT1 Verify PV ground jumper is installed between TBDC and TBNEUT Inspect the PV array for actual ground faults The PV array has been grounded in more than one location If the PV array is grounded through CT1 it must not be grounded at any other locati...

Страница 29: ...interface program and with a true RMS oscilloscope Verify waveforms are sinusoidal and maintain proper phase relationships Determine which phase is imbalanced Verify phase conductor wiring integrity Refer to the system schematic in Section 7 Check CT control wire harness integrity Refer to the system schematic in Section 7 Replace CT on the phase exhibiting the current imbalance Stop Switch Fault ...

Страница 30: ...rocedure and perform prior to the following Enclosure Seals Inspect the enclosure access panel seal If damaged replace with equivalent closed cell foam gasket Call your Xantrex Technology distributor for factory replacements or specifications Electrical Connections Inspect the condition of all wiring within the PV 45208 Inspect all wire crimps and connec tions for damage caused from high temperatu...

Страница 31: ...time turn on procedure 1 Remove any lockout devices from the isolation transformer circuit breaker and PV disconnect switch 2 Close the isolation transformer circuit breaker 3 Close the AC disconnect if present 4 Close the PV array disconnect switch if present 5 Turn the on off switch to the on position After a 15 second initialization period and a 5 minute wake up period the PV 45208 will automat...

Страница 32: ... 45 kVA PV 45208 151717 Transformer 45 kVA 3 Pole 60 Hz 98 Efficient 208Y 120 or 480Y 277 WARRANTY AND CERTIFICATIONS Xantrex Inverter Warranty Registration Underwriters Laboratories Compliance Of Standard UL1741 OPTIONAL ACCESSORIES For details and specifications on Xantrex Technology 10 and 12 Pole 600 VDC Combiner Boxes contact your Xantrex Technology distributor For details and specifications ...

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Страница 38: ...actor Line 3Ph 158uH 139 Arms 10 3 C1 3 1 150403 02 Capacitor NP 4uF 600VAC 6 11 3 L2 4 1 151225 01 Reactor PWM 1 Ph 400uH 139 ARMS 12 1 1 150378 02 Assy PCB DSP 13 1 PS1 1 160044 01 PCB 24VDC 100W 14 1 PS2 1 160006 01 Power Supply Single Out 15VDC 15 1 PS3 1 160030 01 Power Supply Triple Out 5 15VDC 16 1 1 160052 01 Assy LCD Display 17 1 1 160128 01 Assy Bus 600V 100A 18 3 F1 3 1 151719 01 Fuse 2...

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Страница 40: ...e is at the Customer s expense Return transportation and insurance expense shall be borne by Xantrex For floor mounted inverter products generally 30 kW in rating and above warranty repairs or replacements are performed at the installation site Xantrex s material labor freight and travel living expenses associated with such repair or replacement shall be borne by Xantrex In either case Customer s ...

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