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Xantrex PV100S-480, Планирование и руководство по установке

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Conductor and Conduit Sizing

152315 Rev C

2–11

Conductor and Conduit Sizing

All wiring methods and materials shall be in accordance with the National 
Electrical Code ANSI/NFPA 70. When sizing conductors and conduits interfacing 
to the PV100S, both shall be in accordance with the National Electric Code 
ANSI/NFPA 70, as well as all state and local code requirements. 
Large gauge wire must conform to the minimum bend radius dependent upon the 
wire gauge

 

(refer to the National Electric Code, Article 373-6B (Ninth Edition). 

The following provides information on sizing the conductors and conduits for the 
system.

To calculate the proper conduit size:

1. Determine the required cable ampacity.
2. Determine the conduit length between the inverter and the transformer.
3. Determine the proper size for the cable according to the allowable ampacities 

indicated by NEC Table 310.16 (Ninth Edition).

4. Determine the proper size for the conduit.

The following is an example of the steps outlined above. Assumptions were made 
in this example which may not match your application, and the resulting design 
may not comply with all code requirements. Consult a licensed electrician on 
recommendations for specific installations. 

Step 1. Determine the required cable ampacity.

AC Phase Cables from Inverter to Transformer:

100 kW / 208 Vac / 1.732 = 277.5 A

rms

 (full load current)

277.5 x 125% = 347 A (required ampacity)

Step 2. Determine the conduit length between inverter and transformer.

•

If the conduit length between the inverter and the transformer is less than 
24 inches, then the cable can be sized using the NEC Table 310.16 
(in Raceway) (Ninth Edition). 

•

If the conduit length is greater than 24 inches, then the cable must be sized 
using NEC Table 310.16 (in Raceway) (Ninth Edition) and by using the 
adjustment factors in NEC TAble 310-15(b)(2)(a).

CAUTION: Equipment Damage

Be careful to keep the wire bundles away from any sharp edges which may damage wire 
insulation over time.

Содержание PV100S-480

Страница 1: ...PV100S 100 kW Grid Tied Photovoltaic Inverter PV100S 208 PV100S 480 Planning and Installation Manual...

Страница 2: ......

Страница 3: ...PV100S 100 kW Grid Tied Photovoltaic Inverter Planning and Installation Manual...

Страница 4: ...spective owners and are used herein for identification purposes only Notice of Copyright PV100S 100 kW Grid Tied Photovoltaic Inverter Planning and Installation Manual May 2005 Xantrex International A...

Страница 5: ...ts for licensing and training for the installation of Electrical Power Systems with AC and DC voltage to 600 volts Organization This Manual is organized into four chapters Chapter 1 Introduction provi...

Страница 6: ...s the PV100S 208 when it is being referenced individually The model PV100S 480 100kW Grid Tied Photovoltaic Inverter 480 Vac input will be referred to as the PV100S 480 when it is being referenced ind...

Страница 7: ...inute CW Clockwise DSP Digital Signal Processor FPGA Field Programmable Gate Array GUI Graphical User Interface IEEE Institute of Electrical and Electronics Engineers IGBT Insulated Gate Bipolar Trans...

Страница 8: ...vi...

Страница 9: ...ion maintenance or testing These servicing instructions are for use by qualified personnel who meet all local and state code requirements for licensing and training for the installation of Electrical...

Страница 10: ...ped with standard safety equipment including the following Safety glasses Ear protection Steel toed safety boots Safety hard hats Padlocks and tags Appropriate meter to verify that the circuits are de...

Страница 11: ...wiring interfacing with the DC terminals at TB3 1 TB3 2 and TB3 3 are to be tightened to a torque value of 500 in lbs 56 5 Nm for model PV100S 208 and model PV100S 480 These terminals will accept a co...

Страница 12: ...rcuit breaker 2 Open lockout and tag the AC Disconnect Switch S1 on the AC Interface Enclosure See Figure 1 4 on page 1 9 for the location of the AC Disconnect Switch 3 Open lockout and tag the DC Dis...

Страница 13: ...s And Charge Controllers For Use In Photovoltaic Power Systems as well as IEEE 929 2000 Recommended Practice For Utility Interface of Photovoltaic PV Systems IEEE 929 2000 provides guidance regarding...

Страница 14: ...xii...

Страница 15: ...s 1 9 Communication Features 1 9 System Status and Fault Reporting 1 10 Data Logging 1 10 Communication Methods 1 11 Universal Front Panel Control Unit UFCU 1 11 PC Connection Methods 1 12 POTS Access...

Страница 16: ...3 12 System Neutral Requirements 3 13 Utility Side Isolation Transformer Requirements 3 13 Wiring Specific 3 14 AC Connections 3 14 PV Array Connections 3 19 PC Communications 3 20 PC Connection Metho...

Страница 17: ...1 4 Table 1 2 Over Under Voltage and Over Under Frequency Ranges 1 4 Table 1 3 Environmental Specifications 1 6 Table 3 1 AC Terminal Wire Gauge Bolt Size and Torque Values 3 12 Table 3 2 DC Terminal...

Страница 18: ...xvi...

Страница 19: ...Entry Bottom Side 2 10 Figure 2 9 Main Inverter Anchor Bolt Pattern Not to scale 2 13 Figure 2 10 AC Interface Transformer Anchor Bolt Pattern Not to Scale 2 14 Figure 3 1 Moving the crated PV100S 3 3...

Страница 20: ...gure A 1 Electrical Diagram sample A 3 Figure A 2 PV100S 480 Schematic for Main Power Distribution 152316 E1 A 4 Figure A 3 PV100S 480 Schematic for Control Power Distribution 152316 E2 A 5 Figure A 4...

Страница 21: ...1 Introduction Chapter 1 Introduction provides information about the features and functions of the PV100S 100 kW Grid Tied Photovoltaic Inverter...

Страница 22: ...n of the main AC contactor and the ability to de energize the isolation transformer during times of non operation greatly reduces the night time tare losses consumed by an idle isolation transformer A...

Страница 23: ...MAY J UN J UL AUG SE P OCT NOV DEC TH IS U N I T EM P L O Y S FI E L D A D JU S T AB LE V O LT A G E A N D FR E Q U E N C Y S E T POI N T S A N D T I ME D E L AY S TH E Y A R E F AC T OR Y SE T I N C...

Страница 24: ...Specifications Specification PV100S 208 PV100S 480 Nominal AC Input Voltage 10 to 12 acceptable range 208 Vac 183 to 228 Vac 480 Vac 422 to 528 Vac Maximum AC Output Current 278 Arms 121 Arms Nominal...

Страница 25: ...as part of the AC Interface Transformer assembly The utility side windings of the isolation transformer are configured Wye and must match the voltage at the utility inter tie The PV100S is a balanced...

Страница 26: ...127 cm W x 86 cm D 12 ft W x 6 ft L approximate 3 6 m x 1 8 m 9 ft W x 7 ft L approximate 2 7 m W x 2 1 m L Weight Inverter and DC Interface Transformer and AC Interface Overall Weight 1000 lbs approx...

Страница 27: ...trolled shutdown of the PV100S and opens both the main AC and DC contactors The main AC and DC contactors cannot be closed unless the door s interlock is in the engaged position The PV100S is prevente...

Страница 28: ...s the switch is in the ON position The PV100S is prevented from being restarted until the ON OFF switch is turned back to the ON position WARNING Shock Hazard Disengaging the main enclosure door inter...

Страница 29: ...tact block will signal the CCU2 Converter Control Unit 2 to stop processing power prior to the opening DC Disconnect switch Additionally opening the DC Disconnect switch will cause the PV100S to execu...

Страница 30: ...status information include Current Operating State or Goal State Fault Code if applicable Inverter State Line Voltage and Current Inverter Matrix Temperature Inverter Power PV State PV Voltage and Cu...

Страница 31: ...is most commonly used by field technicians for local connection and troubleshooting purposes Universal Front Panel Control Unit UFCU The UFCU keypad is located on the front of the Main Inverter Enclos...

Страница 32: ...e a graphic user interface that relates important system information This software is called Xantrex Solar Graphic Interface GUI See Computer Communications with the PV100S in the PV100S 100 kW Grid t...

Страница 33: ...cess Figure 1 7 illustrates the PV100S connected remotely to a personal computer Wireless Access Figure 1 8 illustrates the PV100S connected remotely to a personal computer using a wireless network Fi...

Страница 34: ...thernet LAN Access The PV100S can be remotely accessed through a local area network Direct Access Figure 1 10 illustrates the PV100S connected directly to a personal computer Figure 1 9 Ethernet LAN A...

Страница 35: ...2 Planning Chapter 2 Planning provides information to help plan the installation of the PV100S 100 kW Grid Tied Photovoltaic Inverter...

Страница 36: ...o the left side of the Main Inverter Enclosure up to but not exceeding 15 feet away Clearance Adequate ventilation and service access must be taken into consideration when installing the PV100S See Ve...

Страница 37: ...the unit indoors ambient air temperature cannot exceed the maximum temperature for which the unit is rated Ventilation Maintain a minimum clearance of 12 inches on both sides and 6 inches behind the M...

Страница 38: ...nd SA2 Surge Arrestor A direct analog phone line to the local phone service is required to use this feature The phone line used for PV100S communication cannot be routed through a Private Branch Excha...

Страница 39: ...152316 E1 on page A 4 Figure A 3 PV100S 480 Schematic for Control Power Distribution 152316 E2 on page A 5 Figure A 4 PV100S 480 Schematic for Converter Control Unit 152316 E3 on page A 6 Model PV100S...

Страница 40: ...conduit between the Main Inverter Enclosure and the AC interface transformer assembly are to be supplied by the installer See Figure 2 1 and Figure 2 2 depicting two options for locating the AC interf...

Страница 41: ...ons Enclosure 36 Minimum Clearance 12 12 Conduit Minimum Clearance Minimum Clearance not to exceed 15 7 ft 2 1 m 9 ft 2 7 m 36 Minimum Clearance BASE Concrete Floor or Pad Approximately 9 ft by 7 ft 2...

Страница 42: ...of the PV100S see Figure 2 3 through Figure 2 8 Xantrex recommends a standard trade size conduit knock out set for cutting punching the PV100S enclosures and panels for conduit entry Figure 2 3 Condu...

Страница 43: ...tion 152315 Rev C 2 9 Figure 2 4 Inductor Enclosure Conduit Entry Left Side Figure 2 5 Transformer Enclosure Conduit Entry Right Side 6 12 6 2 6 15 cm 2 5 cm 12 30 cm 6 15 cm 2 6 12 6 6 15 cm 2 5 cm 1...

Страница 44: ...e 2 7 DC Interface Enclosure Bottom Side Figure 2 8 Communications Enclosure Conduit Entry Bottom Side 8 20 cm AC Disconnect Switch S1 8 20 cm 1 2 5 cm 5 13 cm Backside of Transformer Enclosure partia...

Страница 45: ...Ninth Edition 4 Determine the proper size for the conduit The following is an example of the steps outlined above Assumptions were made in this example which may not match your application and the re...

Страница 46: ...ectional area of all the individual cables is first calculated Once calculated the total cross sectional area of the cables is determined by summing their values In this example 3 0 AWG 2000 V cable i...

Страница 47: ...ocal state or national requirements for weight seismic and wind sheer if applicable Four 5 8 holes are provided in the feet of the main inverter and six 5 8 holes are provided in the feet of the AC in...

Страница 48: ...C The floor or pad should either be pre drilled to accept masonry anchors or have pre installed anchoring bolts Figure 2 10 AC Interface Transformer Anchor Bolt Pattern Not to Scale 1 9 cm x6 25 63 5...

Страница 49: ...apter 3 Installation describes the procedures needed to install the PV100S 100 kW Grid Tied Photovoltaic Inverter This section includes unpacking and moving instructions mounting instructions and cabl...

Страница 50: ...PV100S is shipped partially assembled in two separate shipping crates and one cardboard box One crate is the main inverter and is marked 1 152311 01 The other crate is the AC Interface Enclosure and t...

Страница 51: ...To unpack the main inverter and the AC Interface Enclosure and transformer assembly from their shipping crates 1 Using a claw hammer or pry bar remove the crate s wood top and side panels 2 Remove th...

Страница 52: ...ets are removed from the units use the same lifting locations to lift the units into the place where they are to be permanently located c CAUTION Equipment Damage To move the PV100S use a forklift tha...

Страница 53: ...or pallet jack as shown in Figure 3 2 on page 3 4 Move the AC interface transformer assembly into place 4 Secure the Main Inverter Enclosure feet to the floor with a 1 2 diameter anchor bolts 5 Secur...

Страница 54: ...the main inverter 1 Use the 7 mm triangle key provided with the unit a Insert the key in the lock and turn counterclockwise to open clockwise to lock b Pull front door open from the right side Figure...

Страница 55: ...d in the OFF Open position prior to closing the door 2 Close the door and slide the latches back over the edge of the door 3 Tighten the bolts on door latches Door Latches To Open Access Door 1 Confir...

Страница 56: ...d remove the 1 4 self tapping sheet metal screws x6 To Replace the Access Panel Replace and tighten the 1 4 self tapping sheet metal screws Inductor Access Panel To Remove the Access Panel Use a Phill...

Страница 57: ...liance To install the conduits 1 Determine the conduit penetration locations in the Main Inverter Enclosure and the AC interface transformer assembly See Figure 2 3 on page 2 8 through Figure 2 5 on p...

Страница 58: ...age 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...

Страница 59: ...terminals or compression lugs See Figure 3 15 on page 3 16 for the location of these terminals AC Interface Enclosure The AC line terminals in the AC Interface Enclosure S1 2T1 S1 4T2 and S1 6T3 are o...

Страница 60: ...n lb 47 5 Nm 420 in lb 47 5 Nm TB2 System Ground 500MCM to 4 AWG 1 stud per pole 3 8 16 3 8 16 420 in lb 47 5 Nm 420 in lb 47 5 Nm TB6 Neutral 500MCM to 4 AWG 1 stud per pole 3 8 16 3 8 16 228 in lb 2...

Страница 61: ...erminal block System Neutral Requirements The PV100S is designed to be installed as a 4 wire system As required by the UL 1741 listing a neutral conductor from the utility interconnect must be termina...

Страница 62: ...of both the Main Inverter Enclosure and the Transformer Enclosure Additionally open the front door to the Main Inverter Enclosure 2 Route the AC power conductors A B C phase cables and ground conduct...

Страница 63: ...nductor 4 Connect the AC power conductors in the Transformer Enclosure at the T6 X1 A phase T6 X2 B phase and T6 X3 C phase bus bars using 3 8 16 hardware Connect the ground conductor in the AC Interf...

Страница 64: ...b 31 Nm Connect the ground conductor to the TB1 terminal on the ground bar on the left side of the enclosure Torque this connection to 420 in lbs 47 5 Nm Figure 3 15 AC Terminal Connections in the Mai...

Страница 65: ...these terminals 3 Connect the AC power conductors at the S1 2T1 A phase S1 4T2 B phase and S1 6T3 C phase terminals using the M8 PV100S 480 or M10 PV100S 208 hardware Cables to these terminals must us...

Страница 66: ...l or compression type lug and should be tightened to a torque value of 228 in lbs 25 7 Nm for TB6 and 420 in lbs 47 5 Nm for TB2 for both the PV100S 480 and PV100S 208 systems See Figure 3 18 for the...

Страница 67: ...e made at the TB3 1 POS DC and TB3 2 NEG DC and TB3 3 PV Gnd locations See Figure 3 19 4 Terminations for the POSitive NEGative and GND conductors within the DC Interface enclosure at the TB3 location...

Страница 68: ...em information This software is called Xantrex Solar Graphic Interface GUI See Computer Communications with the PV100S in the PV100S 100 kW Grid tied Photovoltaic Inverter Operation and Maintenance Ma...

Страница 69: ...up the Terminal Emulation program on the computer See also Connect to Telephone Number and Connect to Remote Inverter by Modem for additional information 6 Use the GUI to setup the connection informat...

Страница 70: ...he personal computer has the appropriate hardware installed to support this feature i e Network Interface Card NIC 2 Open the Communications Enclosure and plug the LAN cable CAT5 cable into the RJ45 P...

Страница 71: ...32 FO Converter kit to complete the connection If connecting the PC directly to the inverter 1 Open the Communications Enclosure 2 Disconnect the TX transmit orange and RX Receive blue wires from the...

Страница 72: ...Installation 3 24 152315 Rev C Figure 3 22 Direct Connect Installation 5 DB25 to DB25 Gender Changer Adapter DB25 DB9 Serial Cable RE232 FO Converter 3...

Страница 73: ...4 Verification Chapter 4 Verification provides a checklist to ensure the installation of the PV100S is correct and complete...

Страница 74: ...tion of the PV100S 100 kW Grid Tied Photovoltaic Inverter is correct and complete Failure to adhere to these warnings could result in severe shock or possible death Exercise extreme caution at all tim...

Страница 75: ...Enclosure and inspect 5 Verify all wire conduit fittings and connections are properly tightened 1 Ensure that the AC and DC disconnect switches as well as any utility interconnect circuit breakers or...

Страница 76: ...eaker are left open 1 Ensure that the AC and DC Disconnect Switches as well as any utility Interconnect circuit breakers or main disconnect switches are open 2 Verify all conductor and wiring connecti...

Страница 77: ...A Schematics Appendix A contains useful schematics to aid with installation...

Страница 78: ...Schematics A 2 152315 Rev C This page intentionally left blank...

Страница 79: ...Appendix A Schematics 152315 Rev C A 3 Figure A 1 Electrical Diagram sample...

Страница 80: ...Schematics Appendix A A 4 152315 Rev C Figure A 2 PV100S 480 Schematic for Main Power Distribution 152316 E1...

Страница 81: ...Appendix A Schematics 152315 Rev C A 5 Figure A 3 PV100S 480 Schematic for Control Power Distribution 152316 E2...

Страница 82: ...Schematics Appendix A A 6 152315 Rev C Figure A 4 PV100S 480 Schematic for Converter Control Unit 152316 E3...

Страница 83: ...Appendix A Schematics 152315 Rev C A 7 Figure A 5 PV100S 208 Schematic Main Power Distribution 152376 C1...

Страница 84: ...Schematics Appendix A A 8 152315 Rev C Figure A 6 PV100S 208 Schematic for Control Power Distribution 152376 C2...

Страница 85: ...Appendix A Schematics 152315 Rev C A 9 Figure A 7 PV100S 208 Schematic for Converter Control Unit 152376 C3...

Страница 86: ...Schematics Appendix A A 10 152315 Rev C This page was intentionally left blank...

Страница 87: ...s 1 6 Equipment 3 2 F Fault Reporting and Logging 1 10 G General Safety viii Ground 3 13 Ground Requirements 1 5 GUI v I IEEE v IGBT v Indoor Temperature Control 2 3 IPM v Isolation Transformer 2 4 3...

Страница 88: ...2 Unpacking 3 3 Utility Side Isolation Transformer Requirements 1 5 V Verification Procedure Summary 4 2 Visual Inspection of Electrical Connections 4 3 Visual Inspection of Mechanical Connections 4 3...

Страница 89: ......

Страница 90: ...Xantrex Technology Inc 1 800 670 0707 Tel toll free NA 1 360 925 5097 Tel direct 1 360 925 5143 Fax direct customerservice xantrex com www xantrex com 152315 Rev C Printed in USA...

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