Rockwell Automation PowerFlex 755TM Original Instructions Manual
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Rockwell Automation PowerFlex 755TM Original Instructions Manual

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Application Technique
Original Instructions
Drives in Common Bus Configurations with PowerFlex 755TM Bus
Supplies

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Summary of Contents for Rockwell Automation PowerFlex 755TM

  • Page 1 Application Technique Original Instructions Drives in Common Bus Configurations with PowerFlex 755TM Bus Supplies...
  • Page 2 Drives in Common Bus Configurations with PowerFlex 755TM Bus Supplies Application Technique Summary of Changes This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes. Topic Page...

  • Page 3: Table Of Contents

    PowerFlex 750-Series Frame 5…7 DC Input Common Bus Drives....12 PowerFlex 755TM Frame 8…15 Common Bus Inverters ......13 Kinetix 5700 Single-axis and Dual-axis Servo Drives .
  • Page 4 PowerFlex 755TM Non-regenerative Supply, All Configurations ....54 PowerFlex 755TM Regenerative Bus Supply, Frame 6 ......55 PowerFlex 755TM Regenerative Bus Supply, Frame 7…15.
  • Page 5 PowerFlex 755TM System DC Bus Ratings ........
  • Page 6 Drives in Common Bus Configurations with PowerFlex 755TM Bus Supplies Application Technique Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 7: Preface

    AC power source. If regeneration to the AC source is required, the PowerFlex 755TM regenerative bus supply (using active front end (AFE) pulse-width modulated (PWM) insulated gate bipolar transistor (IGBT) converter topology) enables bidirectional power flow from and back to the incoming AC line.
  • Page 8 Preface Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 9: Dc Bus Wiring Guidelines

    To minimize system inductance, Rockwell Automation recommends that the system DC bus remains uninterrupted. The use of cables to connect additional drive system cabinets to the system bus isn’t recommended.

  • Page 10: Dc Bus Connections

    Figure 2 - Star Configuration of Common Bus Connections Bus Supply Power Distribution Terminal Block or Bus Bar DC+ DC– BR1 BR2 BR1 BR2 BR1 BR2 AC Drive 1 AC Drive 2 AC Drive 3 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 11: Precharge

    Generally, a three second delay is acceptable after power has been applied. IMPORTANT The 'Precharge Enable' digital input is only available on PowerFlex 750-Series and PowerFlex 755TM common bus inverter drives. The Kinetix 5700 servo drives do not have a 'Precharge Enable' digital input.

  • Page 12: Powerflex 750-Series Frame 1

    DC bus capacitors. Figure 5 - DC Input Schematic for PowerFlex 750-Series Frame 5…7 DC Input Drives (Input Type Cat. No. Position 5, Code 4) DC + Optional for Frames 6 and 7 DC – Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 13: Powerflex 755Tm Frame 8

    DC bus capacitors. Figure 6 - DC Input Schematic for PowerFlex 755TM Frame 8…15 Common Bus Inverters (Input Type Cat. No. Position 5, Code D or E) This figure represents a PowerFlex 755TM frame 8 common bus inverter with an optional DC precharge and a reflective wave filter.

  • Page 14: Kinetix 5700 Single-Axis And Dual-Axis Servo Drives

    Chassis Motor Brake (BC) Connector BR– 24V+ 24V Control Power Control (CP) Connector 24V– (1) Ground jumper installed on 2198-Sxxx-ERS3 (series A) drives. Ground jumper removed on 2198-Sxxx-ERS4 and 2198-Sxxx-ERS3 (Series B) drives. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 15 (BC) Connector - B BR– Control 24V+ 24V Control Power (CP) Connector Control 24V– (1) Ground jumper installed on 2198-Sxxx-ERS3 (series A) drives. Ground jumper removed on 2198-Sxxx-ERS4 and 2198-Sxxx-ERS3 (Series B) drives. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 16 Chapter 1 DC Bus Wiring Guidelines Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 17: Regenerative Bus Supply Configuration

    (5) At this time, frame 1 drives aren’t recommended for use with common DC bus systems. (6) PowerFlex 755TM input type (position 5 of catalog number) = D (common bus with DC precharge) or E (common bus without DC precharge). If DC input disconnect switches are applied to inverters, you must select code 'D' common bus with DC precharge.
  • Page 18 Chapter 2 Regenerative Bus Supply Configuration Figure 9 - PowerFlex 755TM Regenerative Bus Supply Configurations Solid Grounded AC Supply Common DC Bus Configuration Isolation Bus Supply Converter Transformer Precharge 3-Phase AC Supply Cond Bank PowerFlex 755TM Disconnect Kinetix 5700 Regenerative Bus Supply...

  • Page 19: General Considerations

    (4) The appropriate number of bus conditioner units internal to the PowerFlex 755TM Regenerative Bus Supply will be factory-installed depending on the frame size and -P50 option selection. Frame 6…7 regenerative bus supplies have built in bus conditioner circuits and can’t be specified with the -P50 power option. For shipboard ungrounded power sources, a marine bus conditioner, option -P51, may be required (contact Rockwell Automation).

  • Page 20: Precharge Interlocking

    • The precharge status of the PowerFlex 755TM regenerative bus supply should be interlocked with the connected drives, such that the drives are disabled (not running) when the PowerFlex 755TM regenerative bus supply is in a precharge state. This can be accomplished by monitoring bus supply line side converter parameter 13:225.25 [Line Side Sts 1].

  • Page 21: Dynamic Bus Control For Large Capacitor Bank Applications

    Bus voltage at one set level. The DC Bus voltage is regulated between three voltage setpoints, depending on the state of operation. The PowerFlex 755TM regenerative bus supply in regenerating mode allows DC Bus voltage at a higher level, so that the capacitor bank can absorb regenerative energy before regenerating to the AC line.

  • Page 22: Kinetix 5700 Servo Drives

    102. When a Kinetix 5700 bus group is supplied by a PowerFlex 755TM regenerative bus supply, one of the Kinetix 5700 inverters in the bus group must be configured in the Studio 5000 Logix Designer® application as 'Shared DC - Non-CIP Converter' and the bus supply ready status assigned to Kinetix 5700 drive 'Regeneration OK' input.

  • Page 23: Sizing Regenerative Bus Supply

    DC output current ratings. Verify that the system AC and DC bus bars and cables are sized to support the expected current. The PowerFlex 755TM system standard bus bars are rated for 3000 A DC and optional (-P46) 4700 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating.

  • Page 24: Example Basic Sizing Of The Regenerative Bus Supply

    Appendix A to select the PowerFlex 755TM regenerative bus supply. The minimum DC output current rating 600V AC PowerFlex 755TM regenerative bus supply is a 20JxF…E760 frame 9 with heavy duty (HD) DC output current rating of 710 A DC.

  • Page 25: Advanced Sizing Of The Regenerative Bus Supply

    (1) Equivalent Total AC Output Amps is calculated by multiplying the Total Rated DC Amps * 0.9 5. Verify that the chosen PowerFlex 755TM regenerative bus supply is capable of precharging the connected inverter/drive DC bus capacitance. • The PowerFlex 755TM regenerative bus supply maximum external capacitance data is taken from...
  • Page 26 AC output currents calculated in step 8 divided by 0.9. The PowerFlex 755TM system standard bus bars are rated for 3000 A DC and optional (-P46) 4700 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating.

  • Page 27: Example Advanced Sizing Powerflex 755Tm Regenerative Bus Supply Calculation

    Table 16 on page 76 Appendix A. The PowerFlex 755TM regenerative bus supply internal bus capacitance value isn’t included in the total external capacitance calculation. Verify that the µF/A ratio meets or exceeds the target of 28 µF/A ratio for this 600V AC system with mixed inverter types. The following table summarizes the DC bus capacitance data and calculations.
  • Page 28 = 629 A RMS / 0.9 = 699 A DC The standard PowerFlex 755TM DC bus bar is capable of 3000 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating.

  • Page 29: Shared Dc Bus Configuration (Piggyback)

    Ungrounded (floating ground) AC power sources are typically used for shipboard isolated power systems that aren’t earth grounded. Resistance grounded and ungrounded (floating ground) power sources may require additional user supplied circuits and optional bus conditioners (-P50 or -P51). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 30 • Delta secondary power sources require a Zig-Zag Transformer and ground fault resistor (GFR) to convert the ungrounded power system to resistance grounded. See Appendix B for more information. Ground Fault Detector and Filter Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 31: General Considerations

    For recommended settings and instructions for modifying the position of the power jumpers, see the following publications: • PowerFlex 750-Series Products with TotalFORCE® Control installation instructions, publication 750-IN100, or PowerFlex 755TM IP00 Open Type Kits installation instructions, publication 750-IN101. •...

  • Page 32: Precharge Interlocking

    PowerFlex TL/TR Drives, Frames 5 and 6 Frames 5 and 6 come preinstalled with DC+/- terminals that give access to the DC Bus. PowerFlex TL/TR Drives, Frame 7 Frame 7 isn’t supported at this time. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 33: Powerflex Tl/Tr Drives, Frame 8

    DC bus bar and DC bus bar splices must be specified. For more information on the DC Bus Bar and DC Bus Bar splice kits available, see the PowerFlex 755TM IP00 Open Type Kits Technical Data, publication 750-TD101.

  • Page 34: Advanced Sizing Of The Powerflex 755Tl/Tr Ac Drive

    If the application is absorbing power, use positive values. If the application is regenerating power, use negative values. 3. Determine the total AC output power that is required during acceleration. • For Motoring Loads: PDrive = PMotor / Motor Efficiency • For Regenerating Loads: PDrive = PMotor * Motor Efficiency Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 35: Example Powerflex 755Tl/Tr Shared Dc Bus Advanced Calculation

    Decel Drive Output Power (kW) Section Name Power (kW) Efficiency PMaccel PAccel PMrun PRun PMdecel PDecel Motor 1 14.00 15.56 9.00 10.00 -15.00 -13.50 Motor 2 0.85 50.00 58.82 35.00 41.18 -20.00 -17.00 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 36 In this example, the total rated DC amps for the external connected inverter/drives is 23.3 A DC + 8.1 A DC = 31.4 A DC. The chosen PowerFlex 755TL/TR AC drive is an acceptable solution for this shared DC bus application example. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 37: Non-Regenerative Bus Supply Configuration

    (4) At this time, frame 1 drives aren’t recommended for use with common DC bus systems. (5) PowerFlex 755TM input type (position 5 of catalog number) = D (common bus with DC precharge) or E (common bus without DC precharge). If DC input disconnect switches are applied to inverters, you must select code 'D' common bus with DC precharge.
  • Page 38 Chapter 4 Non-regenerative Bus Supply Configuration Figure 12 - PowerFlex 755TM Non-regenerative Supply Configurations Common DC Bus Configuration Solid Grounded AC Supply Isolation Bus Supply Converter Transformer Precharge Cond 3-Phase AC Supply Bank Disconnect PowerFlex 755TM Regenerative Bus Supply Kinetix 5700...

  • Page 39: General Considerations

    (6) See Appendix B for guidance on PowerFlex 755TM control pod selection. (7) For PowerFlex 755TM common bus inverters, there are no provisions for AC output common mode cores; however, an optional reflective wave (dv/dt) filter is available. See catalog number position 11 - filtering and CM cap configuration, EMI solutions.

  • Page 40: Precharge Interlocking

    102. When a Kinetix 5700 bus group is supplied by a PowerFlex 755TM bus supply, one of the Kinetix 5700 inverters in the bus group must be configured in the Studio 5000 Logix Designer® application as 'Shared DC - Non-CIP Converter' and the bus supply ready status assigned to the Kinetix 5700 drive 'Regeneration OK' input.

  • Page 41: Paralleling Powerflex 755Tm Non-Regenerative Modules

    There are practical limitations to the current carrying capacity of the system bus bars and other components. Perform calculations for the total bus supply rated DC current and make sure that the system requirements do not exceed the PowerFlex 755TM common DC bus system bus bar rating (standard = 3000 A DC, option -P46 = 4700 A DC).

  • Page 42: Sizing Non-Regenerative Bus Supply

    3. Verify that the system AC and DC bus bars and cables are sized to support the expected current. The PowerFlex 755TM system standard bus bars are rated for 3000 A DC and optional (-P46) 4700 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating.

  • Page 43: Example Basic Sizing Of The Non-Regenerative Bus Supply

    The target DC bus capacitance to output current ratio is 40 µF/A. To meet the target µF/A ratio, it’s necessary to include one 30000 µF 2X capacitor bank and one 15000 µF 1X capacitor bank in the PowerFlex 755TM non-regenerative supply modules.
  • Page 44 1X module and two 2X modules. With a 0.2 second precharge ramp time, the total maximum DC bus capacitance is 81700 µF + 150700 µF + 150700 µF = 383100 µF. This exceeds the total connected capacitance of 101420 µF; the PowerFlex 755TM non-regenerative bus supply precharge delay time can be set to 0.2 seconds or higher.

  • Page 45: Advanced Sizing Of The Non-Regenerative Supply

    7. 7. Select a single or dual density PowerFlex 755TM non-regenerative supply for the system AC voltage based on the normal duty (ND) or heavy duty (HD) DC output power rating that meets or exceeds the highest calculated DC bus power from step 6. To achieve the required rating, it may be necessary to configure a parallel combination of single-and/or dual-density modules.

  • Page 46: Calculation

    AC output current in step 8 by 0.9. The PowerFlex 755TM system standard bus bars are rated for 3000 A DC and optional (-P46) 4700 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating.
  • Page 47 Verify that the µF/A ratio meets or exceeds the target of 40 µF/A ratio for this 480V AC system with mixed inverter types. This table summarizes the DC bus capacitance data and calculations. To meet the target µF/A ratio, it’s necessary to include one 30000 µF 2X capacitor bank within one of the PowerFlex 755TM non-regenerative supply modules.
  • Page 48 The total rated DC bus current is calculated by dividing the total rated AC output current from step 8 by 0.9. In this example, 2354.0 A RMS / 0.9 = 2616 A DC. The standard PowerFlex 755TM DC bus bar is capable of 3000 A DC. All DC bus bars in the common DC bus lineup must have the same amp rating. See PowerFlex 755TM System DC Bus Ratings on page 99 for more information about the DC bus bar ratings and options.

  • Page 49: Paralleling Two Powerflex 755Tm Regenerative Bus Supplies

    (6) PowerFlex 750-Series input type (position 5 of catalog number) = 1 (frames 2…4 AC input with precharge, includes DC terminals) or, 4 (frames 5…7 DC input with precharge). (7) PowerFlex 755TM input type (position 5 of catalog number) = D (common bus with DC precharge) or E (common bus without DC precharge). If DC input disconnect switches are applied to inverters, you must select code 'D' common bus with DC precharge.

  • Page 50: Compatibility Table

    Chapter 5 Paralleling Two PowerFlex 755TM Regenerative Bus Supplies Figure 13 - PowerFlex 755TM Regenerative Bus Supply with Parallel PowerFlex 755TM Regenerative Bus Supply Bus Supply Converter • AC and DC circuit protection devices are required but not shown. See Appendix A for more information.

  • Page 51: Precharge Interlocking

    AC source and DC Bus bar configuration must be symmetrical when installing a parallel PowerFlex 755TM regenerative bus supply system. • Parameter 13:45 [DC Bus Ref Sel] must be set to 2 'Droop Ctrl' on each of the PowerFlex 755TM regenerative bus supplies. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 52: Load Sharing Two Powerflex 755Tm Regenerative Bus Supplies

    Load Sharing Two PowerFlex 755TM Regenerative Bus Supplies • An isolation transformer is required to isolate the two PowerFlex 755TM regenerative bus supplies. The transformer kVA must be equal to or greater than the PowerFlex 755TM regenerative bus supply's input kVA.

  • Page 53: Electrical Ratings, Recommended Protective Devices, And Dc Bus Capacitance

    (1) The PowerFlex 755TM Non-regenerative Supply does not employ overload or current limiting functions. External overload protective devices must be selected that will protect the AC and DC power conductors as well as the PowerFlex 755TM Non-regenerative Supply. See the PowerFlex 755T technical data, user, and installation manuals for more information.

  • Page 54: Circuit Protection Configurations

    SPF - Semiconductor Protection Fast Acting Fuse. Required for protection of power electronics. These fuses are typically located within the PowerFlex product. The exception is PowerFlex 755TL/TR Frames 5…6 AC drives and PowerFlex 755TM Frame 6 Regenerative Bus Supply. P/C - Pre-charger. Resistive or SCR phase-controlled circuits for precharging DC bus capacitors.

  • Page 55: Powerflex 755Tm Regenerative Bus Supply, Frame 6

    Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance PowerFlex 755TM Regenerative Bus Supply, Frame 6 • Required user supplied AC input and DC output semiconductor protection fuses (SPF). See PowerFlex 750-Series Products with TotalFORCE Control Technical Data, publication 750-TD100, fuse and circuit breaker data tables for fuse specifications.

  • Page 56: Powerflex 750-Series Ac Drive, Frame 1

    Disconnect switch (DS) - Inverter DC disconnect switch, if necessary. If the DC disconnect switch is used the inverter MUST have precharging circuits. DC Bus PowerFlex Frames 1…7 PowerFlex 755TM Common Bus Inverter, Frame 8…15 See PowerFlex 750-Series Products with TotalFORCE Control Technical Data, publication 750-TD100, for ratings of internal semiconductor protection fuses (SPF). DC Bus DC Bus PowerFlex 755TM CBI Frames 1…7...

  • Page 57: Kinetix 5700 Servo Drive, All Configurations

    24V DC power supply. See PowerFlex Drives with TotalFORCE Control Installation Manual, publication 750-IN100, for more information. AC Drive Line - OR - Line PowerFlex 755TL/TR AC Drive Frame 5, 6 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 58: Powerflex 755Tl/Tr Ac Drives, Frame 7

    See PowerFlex 750-Series Products with TotalFORCE Control Technical Data, publication 750-TD100, for user-supplied AC input branch circuit protection recommendations. AC Drive Line - OR - Line SPF +DC - DC Line PowerFlex 755TL/TR AC Drive Frame 7…15 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 59: 400V Ac Rating Tables

    — 120.2 64.9 — — 194.6 105.1 C170 9200 — — 160.3 86.5 — — 234.7 126.7 C205 9200 — — 194.6 105.1 — — 297.7 160.7 C260 9200 — — 234.7 126.7 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 60 420.2 226.9 — 294.8 C477 18400 — 420.2 226.9 (1) Drive input type (position 5 of catalog number) = 1 (AC input with precharge, includes DC terminals) or 4 (DC input with precharge). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 61 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 5 - PowerFlex 755TM Common Bus Inverters – Frames 8…15, 400V AC AC Output Rating kW AC Output Rating Amp RMS DC Input Rating Cat. No. 20G… Frame Size Amps Internal DC Bus Capacitance (µF)
  • Page 62 (1) For the Kinetix® 5700 single- and dual-axis servo drives, fuse is internal to product and isn’t field replaceable. (2) These attributes apply to each of the axes in the dual-axis inverter modules (2198-Dxxx). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 63 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 7 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15 400V AC (580V DC) DC Output Rating Continuous Cat. No. 20J… Frame Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF)
  • Page 64 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 7 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15 400V AC (580V DC) (Continued) DC Output Rating Continuous Cat. No. 20J… Frame Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF)
  • Page 65 (2) For paralleled modules, sum the corresponding 1X and 2X internal optional capacitance values to obtain the overall bus supply internal/optional DC bus capacitance value. (3) Parallel configurations are built-up from separate enclosures and 20-750-MN… single-density 1X and dual-density 2X roll-in modules. See the PowerFlex 755TM IP00 Open Type Kits Technical Data, publication 750-TD101.

  • Page 66: Ac Rating Tables

    — 105.3 68.3 — — 171.2 110.9 D156 9200 — — 137.1 88.9 — — 204.1 132.2 D186 9200 — — 171.2 110.9 — — 272.1 176.3 D248 9200 — — 204.1 132.2 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 67 — 523.3 340.1 D477 18400 — — 396.1 257.5 (1) Drive input type (position 5 of catalog number) = 1 (AC input with precharge, includes DC terminals) or 4 (DC input with precharge). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 68 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 10 - PowerFlex 755TM Common Bus Inverters — Frames 8…15, 480V AC AC Output Rating HP AC Output Rating Amp RMS DC Input Rating Cat. No. Frame Internal DC Bus 20G…...
  • Page 69 (1) For the Kinetix 5700 single- and dual-axis servo drives, fuse is internal to product and isn’t field replaceable. (2) These attributes apply to each of the axes in the dual-axis inverter modules (2198-Dxxx). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 70 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 12 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 480V AC (696V DC Output) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF) —...
  • Page 71 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 12 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 480V AC (696V DC Output) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF) —...
  • Page 72 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 13 - PowerFlex 755TM Non-regenerative Supplies – Single and Dual Density, 480V AC (650V DC Output) DC Output Rating kW Rating Cat.No. Cont. 20JEH... Module Size Amps Internal Optional DC Bus Cap (uF)

  • Page 73: Ac Rating Tables

    44.9 36.4 E041 3600 — — 28.4 — — 37.3 E042 2600 — — 36.1 29.2 — — 56.9 46.1 E052 3600 — — 44.9 36.4 — — E053 2600 — — 37.3 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 74 — 316.4 256.3 E289 11700 — — 264.9 214.6 (1) Drive input type (position 5 of catalog number) = 1 (AC input with precharge, includes DC terminals) or 4 (DC input with precharge). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 75 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 15 - PowerFlex 755TM Common Bus Inverters — Frames 8…15, 600V AC AC Output AC Output Rating Rating Amp RMS DC Input Rating Cat. No. Frame 20G… Size Amps Internal DC Bus Capacitance (µF)
  • Page 76 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 16 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 600V AC (870V DC Output) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF)
  • Page 77 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 16 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 600V AC (870V DC Output) (Continued) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF)
  • Page 78 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 17 - PowerFlex 755TM Non-regenerative Supplies – Single and Dual Density, 600V AC (810V DC Output) DC Output Rating Cont. kW Rating Amps Internal Optional DC Cat.No 20JEH...

  • Page 79: 690V Ac Rating Tables

    — 288.4 268.8 F263 11700 — — 232.5 216.7 (1) Drive input type (position 5 of catalog number) = 1 (AC input with precharge, includes DC terminals) or 4 (DC input with precharge). Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 80 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 19 - PowerFlex 755TM Common Bus Inverters — Frames 8…12, 690V AC AC Output Rating AC Output Rating Amp RMS DC Input Rating Cat. No. Frame Internal DC Bus 20G…...
  • Page 81 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 20 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 690V AC (1000V DC Output) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF) —...
  • Page 82 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 20 - PowerFlex 755TM Regenerative Bus Supplies — Frames 6…15, 690V AC (1000V DC Output) (Continued) DC Output Rating Cat. No. Frame Continuous 20J… Size Amps Internal DC Bus Capacitance (μF) Max External DC Bus Capacitance (μF) 1456 —...
  • Page 83 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 21 - PowerFlex 755TM Non-regenerative Supply – Single and Dual Density, 690V AC (932V DC Output) DC Output Rating kW Rating Cat.No Cont. 20JEH... Size Amps Internal Optional DC Bus Cap (uF)

  • Page 84: Fuse Certification And Test Data

    Subject: DC Testing for JKS Fuses Dear Mr. At the request of Rockwell Automation, Bussmann has completed the DC testing for the JKS fuses and is pleased to present the attached information indicating successful ‘Self-Certification DC Rating’ on all subject fuses.
  • Page 85 Appendix A Electrical Ratings, Recommended Protective Devices, and DC Bus Capacitance Table 22 - Cooper Bussmann JKS, DC Fuse Test for Rockwell Automation Circuit Parameters Interrupting Amps Time Circuit Fuse Results Volts DC Constant Configuration JKS-(3A…15A) Acceptable — 69.6 kA 2.78 ms...
  • Page 86 Subject: DC Testing for 170M Fuses Dear Mr. At the request of Rockwell Automation, Bussmann has completed the DC testing for the 170M fuses and is pleased to present the attached information indicating successful ‘Self-Certification DC Rating’ on all subject fuses.

  • Page 87: Mersen Hsj Fuses

    Mersen HSJ Fuses A test program was developed to confirm that Mersen HSJ (High-Speed J) fuses meet or exceed the requirements set forth by Rockwell Automation for the fuses on the common DC bus for all Allen-Bradley architecture, component, and legacy drives.
  • Page 88 0.9 to obtain the approximate equivalent rated AC output amps used in the µF/A ratio calculations. Common DC bus systems with PowerFlex 755TM bus supplies are designed based on a 40 µF/A ratio for 400/480V AC systems, and a 28 µF/A ratio for 600/690V AC systems, regardless of the mixture of approved inverters that are connected to the common DC bus.

  • Page 89: Example One Dc Bus Capacitance Calculation

    Cat. No. Qty. Description PowerFlex 755T Drives, Air Cooled, Common Bus Inverter with DC Precharge (PowerFlex 755TM), Type 1/IP21, Floor Mount, LD - 300 20G1D3D302LNDNNNNN-C0-C12-P46 HP (361 A), ND - 250 HP (302 A), HD - 200 HP (248 A), 480V AC, 3 PH, Frame 8, Standard EMI Protection, Door Mounted HIM (20-750- C6S) &...

  • Page 90: Example Two Dc Bus Capacitance Calculation

    Mount, LD - 1452 HP (1670 A), ND - 1279 HP (1471 A), HD - 1091 HP (1255 A), 600V AC, 3 PH, Frame 10, Standard EMI Protection, Door Mounted HIM (20-750-C6S) & TotalFORCE Control PowerFlex 755T Drives, Air Cooled, Common Bus Inverter with DC Precharge (PowerFlex 755TM), Type 1/IP21, Floor Mount, LD - 20G1D3E1K1LNDNNNNN-C12 1250 HP (1220 A), ND - 1100 HP (1045 A), HD - 1000 HP (980 A), 600V AC, 3 PH, Frame 10, Standard EMI Protection, Door Mounted HIM (20-750-C6S) &...
  • Page 91 20G14NE052AA0NNNNN HD, 600V AC, 3 PH, Frame 5, Filtered, CM Jumper Removed, DB Transistor, Blank (No HIM) HSJ90 600VAC 90 A Class J HS Fuse 1321-M180 Common Mode Choke, 180 A, Open Style Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 92: Example Three Dc Bus Capacitance Calculation

    LD - 1603 HP (2304 A), ND - 1483 HP (2131 A), HD - 1184 HP (1702 A), 480V AC, 3 PH, Frame 10, Standard EMI Protection, Door Mounted HIM (20-750-C6S) & TotalFORCE Control PowerFlex 755T Drives, Air Cooled, Common Bus Inverter with DC Precharge (PowerFlex 755TM), Type 1/IP21, Floor Mount, LD - 20G1D3D545LNDNNNNN-C12 500 HP (617 A), ND - 450 HP (545 A), HD - 350 HP (454 A), 480V AC, 3 PH, Frame 8, Standard EMI Protection, Door Mounted HIM (20-750-C6S) &...
  • Page 93 HP HD, 480V AC, 3 PH, Frame 7, Filtered, CM Jumper Removed, DB Transistor, Blank (No HIM) Bussman 170M6608 Bussmann / Eaton - Specialty Fuses 500 A 690V 3FU/90 AR UC Rockwell Automation - Engineered to order (ETO) - Common Mode Core SK-Y1-CMCORE1 HSJ300...

  • Page 94: Example Four Dc Bus Capacitance Calculation

    364 kW (628 A), ND - 336 kW (579 A), HD - 286 kW (494 A), 400V AC, 3 PH, Frame 8, Standard EMI Protection, Door Mounted HIM (20-750- C6S) & TotalFORCE® Control PowerFlex 755T Drives, Air Cooled, Common Bus Inverter with DC Precharge (PowerFlex 755TM), Type 1/IP21, Floor Mount, LD - 315 kW 20G1D3C540MNDNNNNN-C11 (585 A), ND - 315 kW (540 A), HD - 250 kW (460 A), 400V AC, 3 PH, Frame 8, Standard EMI Protection &...

  • Page 95: Power Component Accessories

    The following external capacitor bank modules are available from Rockwell Automation. The part numbers shown can be applied to common DC bus systems up to 690V AC system voltage. The capacitor modules consist of capacitors in series with parallel combinations to achieve the stated total capacitance.

  • Page 96: Usage With Regenerative Bus Supply

    (1) One common mode core at each drive motor output unless an output reactor dv/dt filter is used. (2) For PowerFlex 755TM common bus inverters, there are no provisions for AC output common mode cores; however, an optional reflective wave filter is available. See catalog number position 11- filtering and CM cap configuration, EMI solutions.

  • Page 97: Internal Emc Plate And Cores For Drive

    (1) Internal EMC plate and cores aren’t available for 400/480 volt drives. (2) These cores are only used for EMC compliance. They aren’t meant to be used to reduce circulating common mode currents. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 98: Ground Fault Indicator Filter

    The NEMA 1 enclosure is 226 x 335 x 335 mm (8.9 x 13.2 x 13.2 in.) and weighs 26 kg (57.3 lb). Supplier Reference: Contact technical support for PN-50085 or Bryne & Schaefer for ER-101011. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 99: Zig-Zag Transformer

    PowerFlex 755TM System DC Bus Ratings The PowerFlex 755TM common DC bus system offers two bus bar rating options, 3000 A DC or 4700 A DC at 40 °C (104 °F) ambient temperature. It’s critical when configuring the PowerFlex 755TM common DC bus system to select the same bus bar option for all PowerFlex 755TM system enclosures in the lineup.
  • Page 100 Figure 16 - Frame 10 Bus Supply (layout is typical for other Frames 10...15) DC Bus Figure 17 - Frame 10 Common Bus Inverter (layout is typical for other Frames 10...15) DC Bus Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 101: Powerflex 755Tm Control Pod Rule

    PowerFlex 755TM Control Pod Rule Every PowerFlex 755TM common bus inverter in the common bus system needs one control pod. This can be achieved by combinations of C11 - single pod (with control bay) and or C12 - dual pod (with control bay) control options.

  • Page 102: Kinetix 5700 Servo Drives

    Frame 7 built-in marine discharge board: 20-750-MDSCD-DB For more information about DC bus conditioner modules and the quantity that is used for each type of PowerFlex 755TM bus supply and -P50 or - P51 option selection, see the PowerFlex 755TM IP00 Open Type Kits installation instructions, publication 750-IN101.
  • Page 103 2198-CAPMODDCBUS-IO extension module to provide connections to the DC+ and DC- lug terminals. See the Kinetix 5700 Servo Drive User Manual, publication 2198-UM002, for more information. Figure 18 - Kinetix 5700 Servo Drive System with PowerFlex 755TM Bus Supply (illustrative purpose only) See the following Kinetix 5700 documentation for more information about common DC bus applications.
  • Page 104 Appendix B Power Component Accessories Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 105: 400V Ac Rating Table

    C060 4500 2484 C072 4500 2484 C085 4500 2484 C104 4500 2484 C140 9200 2248 C176 9200 2248 C205 13800 3696 C260 13800 3696 C302 18000 62784 C367 18000 62784 C460 18000 62784 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 106 1715 C1K7 90000 200304 1480 1250 2156 C2K1 90000 200304 1000 1715 1650 2849 120000 263616 C2K8 1400 2330 2000 3542 150000 326928 C3K5 1650 3032 2200 4235 180000 390240 C4K2 1953 3575 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 107 = F (regenerative PowerFlex 755TR AC drives frame 9…15, = G (low harmonic PowerFlex 755TL AC drives frame 8...10). (2) PowerFlex 755TR regenerative AC drives only. PowerFlex 755TL low harmonic AC drives not available in frames 11…15. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 108: 480V Ac Input

    9200 D156 9200 D186 13800 2184 D248 13800 2184 D302 18000 59472 D361 18000 59472 D430 18000 59472 D505 18000 59472 D617 18000 59472 D302 18000 47088 D361 18000 47088 D430 18000 47088 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 109 = F (regenerative PowerFlex 755TR AC drives frame 9…15, = G (low harmonic PowerFlex 755TL AC drives frame 8...10). (2) PowerFlex 755TR regenerative AC drives only. PowerFlex 755TL low harmonic AC drives not available in frames 11…15. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 110: Ac Input

    E077 3100 1386 E099 3100 1386 E125 4650 1852 E144 4650 1852 E192 9300 26383 E242 9300 26383 E295 9300 26383 E355 9300 26383 E395 9300 26383 E242 9300 26383 E295 9300 26383 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 111 = F (regenerative PowerFlex 755TR AC drives frame 9…15, = G (low harmonic PowerFlex 755TL AC drives frame 8...10). (2) PowerFlex 755TR regenerative AC drives only. PowerFlex 755TL low harmonic AC drives not available in frames 11…15. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 112: 690V Ac Input

    F082 3100 1335 F098 3100 1335 F119 4650 1751 F142 4650 1751 F171 9300 24065 F215 9300 24065 F265 9300 24065 F330 9300 24065 F370 9300 24065 F215 9300 24065 F265 9300 24065 Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 113 = F (regenerative PowerFlex 755TR AC drives frame 9…15, = G (low harmonic PowerFlex 755TL AC drives frame 8...10). (2) PowerFlex 755TR regenerative AC drives only. PowerFlex 755TL low harmonic AC drives not available in frames 11…15. Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 114 Appendix C PowerFlex 755TL/TR AC Drive Electrical Ratings and DC Bus Capacitance Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...

  • Page 115: Mixed Architecture Resources

    The PowerFlex 755TM regenerative bus supply is a suitable method for controlling the DC bus voltage when implementing 600v PowerFlex 750- Series frame 3…5 inverters on the same common DC bus system with other larger frame PowerFlex inverters. See...
  • Page 116 Appendix D Mixed Architecture Resources This diagram shows external regenerative methods with the PowerFlex 755TM Non-regenerative Supply. Figure 19 - 600V AC PowerFlex 750-Series Mixed Architecture with PowerFlex 755TM Non-regenerative Supply Bus Supply Converter Precharge Cond 600V AC, DC Bus...

  • Page 117: Logic Interlocking

    Series frame 3…5 drives must initiate shutdown (prevent output IGBT modulation) of all PowerFlex 750-Series frame 6…7 inverters and all PowerFlex 755TM common bus inverters on the same common DC bus. This will ensure there’s no regeneration from these inverters and subsequent rise of the DC bus voltage.
  • Page 118 Appendix D Mixed Architecture Resources Notes: Rockwell Automation Publication DRIVES-AT005D-EN-P - May 2022...
  • Page 119 Drives in Common Bus Configurations with PowerFlex 755TM Bus Supplies Application Technique Additional Resources These documents contain additional information concerning related products from Rockwell Automation. Resource Description PowerFlex 755TM Non-Regenerative Supply User Manual, publication 750-UM100 Installation, configuring, startup, troubleshooting and application information.
  • Page 120 Your comments help us serve your documentation needs better. If you have any suggestions on how to improve our content, complete the form at rok.auto/docfeedback. Allen-Bradley, expanding human possibility, Kinetix, PowerFlex, TotalFORCE, and Rockwell Automation are trademarks of Rockwell Automation, Inc. EtherNet/IP is a trademark of ODVA, Inc.

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