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SC9000 EP™ medium voltage drives
Installation manual
Effective February 2016
Supersedes May 2014
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX
GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . XI
CHAPTER 1: INTRODUCTION . . . . . . . . . . . 1
CHAPTER 2: SAFETY . . . . . . . . . . . . . . . . . . 3
CHAPTER 3: TECHNICAL
DATA/RATINGS . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 4: HANDLING, STORAGE,
AND INSTALLATION . . . . . . . . . . . . . . . . . 9
CHAPTER 5: ARC . . . . . . . . . . . . . . . . . . . . . 23
CHAPTER 6: GP . . . . . . . . . . . . . . . . . . . . . . 25
APPENDIX A: TYPICAL FRAMES A, B, C . . . 29
APPENDIX B: TYPICAL FRAMES D, E . . . . . 40
APPENDIX C: TYPICAL FRAME GP . . . . . . . 54
APPENDIX D: OPTIONAL
EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . 61
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Related Manuals for Eaton SC9000 EP
Summary of Contents for Eaton SC9000 EP
- Page 1 SC9000 EP™ medium voltage drives Installation manual Effective February 2016 Supersedes May 2014 SAFETY ......IX GLOSSARY .
- Page 3 OBLIGATION OF EATON. THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential...
- Page 4 SC9000 EP medium voltage drives Support services The goal of Eaton is to ensure your greatest possible satisfaction with the operation of our products. We are dedicated to providing fast, friendly, and accurate assistance. That is why we offer you so many ways to get the support you need. Whether it’s by phone, fax, or email, you can access Eaton’s support information 24 hours a day, seven days a week.
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Page 5: Table Of Contents
SC9000 EP standard features ........ - Page 6 SC9000 EP Configurations ........
- Page 7 Figure 22B. DVDT tabs ..........SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com...
- Page 8 Figure 45. Frame E configuration—SC9000 EP ......Figure 46. ARC parts layout—SC9000 EP ......
- Page 9 Figure 63. Sine filter panel layout ........Figure 64. Sine filter added to SC9000 EP lineup ..... . .
- Page 10 CHAPTER 5: ARC Table 7. SC9000 EP AR Dimensions ....... . .
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Page 11: Definitions And Symbols
WARNING Important safety measures are described in CAUTION (as well as WARNING). Components within the SC9000 EP power unit are live when the drive is connected to power. Contact with this Hazardous High Voltage voltage is extremely dangerous and may cause death or severe injury. - Page 12 SC9000 EP output terminals (U, V, W) to avoid damaging the SC9000 EP Make sure that the SC9000 EP output terminals (U, V, W) are during motor or cable testing. not connected to the utility line power as severe damage to the SC9000 EP may occur.
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Page 13: Glossary
Variable torque (vt)—A drive whose torque rating varies M—Main contactor over its operational range MBn—Main blower (MB1, MB2, MB3…) MCO—Main cooling on MCR—Main contactor relay MCX—Main cooling contact MFn—Main fan (MF1, MF2, MF3…) SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... - Page 14 SC9000 EP medium voltage drives SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com...
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Page 15: Chapter 1: Introduction
AC motors and equipment contactor, 24-pulse phase shifting isolation transformer, rated at 2400 V, 3300 V, and 4160 V. The SC9000 EP is rectifier and inverter. Current limiting fuses, contactor typically supplied as an integrated drive that includes an assembly, inverter assembly, and isolating switch integrated drive isolation transformer. -
Page 16: Revision
Mean Time to Repair (MTTR), which standards. Download Eaton electronic information from means that the SC9000 EP is built for maximum uptime www.eaton.com. The test/burn-in procedure runs the drive for a minimum of ●... -
Page 17: Chapter 2: Safety
NEC Table 250.122 or CEC, Part I Table 16. The SC9000 EP is supplied with a ground bus that runs the length of the drive. If the drive Safety features is shipped in sections, be sure that the ground bus connection splices are installed across all shipping splits. -
Page 18: Chapter 3: Technical Data/Ratings
Eaton sales office if a question should arise concerning the equipment or if renewal parts are required. The SC9000 EP is rated for use at a specific motor voltage and current as well as for a particular duty cycle. Care must be taken to ensure that these ratings are not exceeded. -
Page 19: Table 1. Specifications
Rectifier switch failure rate (FIT) 100 per one billion hours of operating time Rectifier switch cooling Air-cooled Notes Refer to Chapter 6, Table 8 for GP specifications. 24 IGBTs are required for motors above 3500 hp. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... - Page 20 Air-cooling advanced heat pipe technology Average watts loss 25 watts/hp Notes Refer to Chapter 6, Table 8 for GP specifications. See Chapter 4 for long-term storage temperature ranges. Reflects conservative estimate. Actual amounts may vary. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com...
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Page 21: Table 2. Power Specifications
5360 Nominal hp 4160 V 2250 2500 2750 3000 3250 3500 3750 4000 4250 4500 4750 5000 5250 5500 5750 6000 Frame size Frame C Frame D Frame E Note Contact factory. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 22: Table 3. Dimensions
Frame D 2400 448–561 2000–2500 18.8 3300 360–480 2250–3000 18.8 4160 403–558 3250–4500 18.8 Frame E 3300 520–640 3250–4000 20.22 4160 589–744 4750–6000 20.22 Notes Contact factory. Contact factory for 1150 hp. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 23: Chapter 4: Handling, Storage, And Installation
Confirm this capability prior to starting any handling operations with the drive. Refer to the charts below for standard SC9000 EP shipping section weights. These weights are approximate. Refer to the job specific drawings for the weights of each shipping section. -
Page 24: Table 5. 3300 V Afd Typical Shipping Section Weights (Lb)
1300 — — 13,725 2250 9535 3540 1850 1300 — 16,225 2500 10,735 3740 1850 1300 — 17,525 3000 12,535 4540 1850 1300 — 20,225 3250–4000 18,300 4800 1850 1300 1300 27,550 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 25: Table 6. 4160 V Afd Typical Shipping Section Weights (Lb)
1850 1300 — 19,575 4000 13,685 3840 1850 1300 — 20,125 4500 14,185 4040 1850 1300 — 20,825 5000 14,685 4140 1850 1300 — 21,425 4750–6000 18,300 4800 1850 1300 1300 27,550 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 26: Lifting Equipment List
_____ Open all doors and inspect equipment for any bent, broken or loose components. Long-term storage If it is necessary to store an SC9000 EP AFD before installation, restore the protective packaging for the storage period and keep it in a clean, dry location with ample air circulation and heat to prevent condensation. -
Page 27: Figure 1. Frame B Inverter Section, Frame C Main Disconnect And Inverter Sections, Frame D Main Disconnect, And Inverter Sections, Frame E Main Disconnect Section, And Filters
36 inches dV/dt filters up to 500 hp 24 inches Frame B/C/D inverter 30 or 36 inches dV/dt filters 600 to 2500 hp 36 inches Output reactors and sine filters 40 inches SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 28: Figure 2. Frame A Drive And Frame B Transformer Section Overhead Lifting
I-bolts for lifting, (4) places 39.50 Eye bolts Remove cover plates front and rear to insert lifting channels or 44.25 forks for lifting Tubing width for fork truck lifting 65.00 Front view SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 29: Figure 3. Frame C, Frame D, And Frame E Transformer Section Overhead Lifting
Front view A and B Dimensions Unit A Dimension B Dimension Frame C converter 34.75 inches 65 inches Frame D converter 40.5 inches 76 inches Frame E converter 50 inches 100 inches SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 30: Installation
The SC9000 EP is designed to be installed, operated, and plans and codes. Verify that conduit locations are compatible maintained by adequately trained and qualified personnel. -
Page 31: Mounting
Redundant blowers/pull box Shunt passing through opening in side sheet If the SC9000 EP drive has redundant blowers or a pull box for mating to an integrated control-gear lineup, they will be shipped loose due to carrier height restrictions. The Frame A Figure 7. -
Page 32: Figure 8. Ground Bus Openings
18–25 ft-lb torque (Figure 9). Connection point for Ampgard Figure 9. Structure connection detail Example of structure connection points Connection point for drive Example of weld nut in side sheet SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 33: Figure 11. Transition Connection To Ampgard
Ampgard structure connection point Low voltage path-top front Figure 14. Low voltage wireway Figure 12. Hardware for transition to Ampgard Low voltage wireway Hardware required for connection of Ampgard to transition section SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 34: Figure 15. Low Voltage Pathway Between Splits
(Section 1 to 2) Fiber optic cables from inverter to control card rack ● (Section 2 to 1) Control wiring from Inverter to control compartment ● (Section 2 to 1) SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 35: Incoming Connections
(Section 3 to 2) Control wiring from main contactor to control ● compartment (Section 1 to 2) Refer to the order specific drawings for any additional wiring that must be connected across shipping splits. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 36: Figure 18. Pullbox
The SC9000 EP is provided with a ground bus that runs the full length of the drive. If the drive consists of multiple shipping sections, the ground bus must be connected across all shipping splits using the flexible shunts and hardware supplied with the drive. -
Page 37: Chapter 5: Arc
This chapter explains the differences between the SC9000 Reinforced cabinet construction providing robust ● EP and the SC9000 EP AR. It does not cover all possible resistance to arc flash events contingencies, variations, and details that may arise during installation, operation, and maintenance of this equipment. -
Page 38: Shipping Weights
Chapter 5: ARC Shipping weights Connections The Eaton SC9000 EP AR comes in 3 sections: one for the Due to Eaton’s unique integrated design, shipping section input section, one for the transformer section, and one for connections remain the same. Refer to job-specific drawings the inverter cabinet. -
Page 39: Purpose
Diode PIV rating 4000 V Cooling Air cooling With fused income line else 10 kA. Table 10. GP power specifications Voltage class 4160 Drive rating (A) Drive output (kVA) Nominal hp 4160 V 1000 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 40: Connections
MV inverter customer options. These weights are approximate. Refer to cabinet door. Compared to the SC9000 EP that uses rear the job-specific drawings for the accurate weight. stabs, the GP inverter uses cable connections. -
Page 41: Gp Inverter Removal Or Installation
All incoming power must be disconnected and locked Figure 20. Power supply harness connection out before performing maintenance on the SC9000 EP . The DC bus voltage must be fully discharged. Failure to disconnect incoming power and verify DC bus is discharged can result in equipment damage, personal injury, or death. -
Page 42: Figure 22A. Inverter Ac Cable Landings
10. For storage or shipment, short circuit the positive, neutral, and negative DC connections on the inverter using a shorting strap. 11. Reverse steps for installation. Figure 22A. Inverter AC Cable Landings SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 43: Appendix A: Typical Frames A, B, C
Appendix A: Typical Frames A, B, C Appendix A: Typical Frames A, B, C Figure 23. Typical schematic for SC9000 EP—sheet 1 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 44: Figure 24. Typical Schematic For Sc9000 Ep-Sheet 2
Appendix A: Typical Frames A, B, C Figure 24. Typical schematic for SC9000 EP—sheet 2 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 45: Figure 25. Typical Schematic For Sc9000 Ep-Sheet 3
Appendix A: Typical Frames A, B, C Figure 25. Typical schematic for SC9000 EP—sheet 3 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 46: Figure 26. Typical Schematic For Sc9000 Ep-Sheet 4
Appendix A: Typical Frames A, B, C Figure 26. Typical schematic for SC9000 EP—sheet 4 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 47: Figure 27. Typical Schematic For Sc9000 Ep-Sheet 5
Appendix A: Typical Frames A, B, C Figure 27. Typical schematic for SC9000 EP—sheet 5 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 48: Figure 28. Frame A Parts Layout-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 28. Frame A parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 49: Figure 29. Frame A Configuration-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 29. Frame A configuration—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 50: Figure 30. Frame B Parts Layout-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 30. Frame B parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 51: Figure 31. Frame B Configuration-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 31. Frame B configuration—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 52: Figure 32. Frame C Parts Layout-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 32. Frame C parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 53: Figure 33. Frame C Configuration-Sc9000 Ep
Appendix A: Typical Frames A, B, C Figure 33. Frame C configuration—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 54: Appendix B: Typical Frames D, E
Appendix B: Typical Frames D, E Appendix B: Typical Frames D, E Figure 34. Typical schematic for SC9000 EP—sheet 1 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 55: Figure 35. Typical Schematic For Sc9000 Ep-Sheet 2
Appendix B: Typical Frames D, E Figure 35. Typical schematic for SC9000 EP—sheet 2 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 56: Figure 36. Typical Schematic For Sc9000 Ep-Sheet 3
Appendix B: Typical Frames D, E Figure 36. Typical schematic for SC9000 EP—sheet 3 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 57: Figure 37. Typical Schematic For Sc9000 Ep-Sheet 4
Appendix B: Typical Frames D, E Figure 37. Typical schematic for SC9000 EP—sheet 4 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 58: Figure 38. Typical Schematic For Sc9000 Ep-Sheet 5
Appendix B: Typical Frames D, E Figure 38. Typical schematic for SC9000 EP—sheet 5 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 59: Figure 39. Typical Schematic For Sc9000 Ep-Sheet 6
Appendix B: Typical Frames D, E Figure 39. Typical schematic for SC9000 EP—sheet 6 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 60: Figure 40. Typical Schematic For Sc9000 Ep-Sheet 7
Appendix B: Typical Frames D, E Figure 40. Typical schematic for SC9000 EP—sheet 7 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 61: Figure 41. Frame D Parts Layout-Sc9000 Ep
Appendix B: Typical Frames D, E Figure 41. Frame D parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 62: Figure 42. Frame D Configuration-Sc9000 Ep-2400 V
Appendix B: Typical Frames D, E Figure 42. Frame D configuration—SC9000 EP—2400 V SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 63: Figure 43. Frame D Configuration-Sc9000 Ep-4160 V
Appendix B: Typical Frames D, E Figure 43. Frame D configuration—SC9000 EP—4160 V SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 64: Figure 44. Frame E Parts Layout-Sc9000 Ep
Appendix B: Typical Frames D, E Figure 44. Frame E parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 65: Figure 45. Frame E Configuration-Sc9000 Ep
Appendix B: Typical Frames D, E Figure 45. Frame E configuration—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 66: Figure 46. Arc Parts Layout-Sc9000 Ep
Appendix B: Typical Frames D, E Figure 46. ARC parts layout—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 67: Figure 47. Arc, Ep Frame D Configuration-Sc9000 Ep
Appendix B: Typical Frames D, E Figure 47. ARC, EP Frame D configuration—SC9000 EP SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 68: Appendix C: Typical Frame Gp
Appendix C: Typical Frame GP Appendix C: Typical Frame GP Figure 48. Typical schematic for SC9000 GP—sheet 1 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 69: Figure 49. Typical Schematic For Sc9000 Gp-Sheet 2
Appendix C: Typical Frame GP Figure 49. Typical schematic for SC9000 GP—sheet 2 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 70: Figure 50. Typical Schematic For Sc9000 Gp-Sheet 3
Appendix C: Typical Frame GP Figure 50. Typical schematic for SC9000 GP—sheet 3 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 71: Figure 51. Typical Schematic For Sc9000 Gp-Sheet 4
Appendix C: Typical Frame GP Figure 51. Typical schematic for SC9000 GP—sheet 4 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 72: Figure 52. Typical Schematic For Sc9000 Gp-Sheet 5
Appendix C: Typical Frame GP Figure 52. Typical schematic for SC9000 GP—sheet 5 SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 73: Figure 53. Gp Parts Layout
Appendix C: Typical Frame GP Figure 53. SC9000 GP parts layout SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 74: Figure 54. Sc9000 Gp Configuration
Appendix C: Typical Frame GP Figure 54. SC9000 GP configuration SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 75: Appendix D: Optional Equipment
High voltage input ● High voltage input ● The SC9000 EP can deliver 2400 V, 3300 V or 4160 V output voltages, and can accommodate input voltages Bypass control ● between 2.4 kV and 13.8 kV. When input voltages above 6.9 kV are required, the SC9000 EP is equipped with an... -
Page 76: Section 2: Dv/Dt Filter
Apply a dV/dt filter to a 2400 V motor whenever the ● The SC9000 EP dV/dt filter is a combination of reactors, connecting cable lengths are greater than 150 feet capacitors and resistors that reduces the sharp change in voltages due to IGBT switching. -
Page 77: Figure 56. Dv/Dt Filter Effect On Drive Output
Example showing the effects of a dV/dt filter Figure 57. dV/dt filter in cabinet Figure 56 shows a representative SC9000 EP voltage step output (in green) with a corresponding dV/dt filter voltage output (in purple). In this example, the rate of change of drive output voltage (dV/dt) has decreased by about 23 times. -
Page 78: Figure 58. Dv/Dt Representative Cabinet Outlines
SC9000 EP dV/dt filters and ratings dV/dt filter as part of the SC9000 EP lineup SC9000 EP dV/dt Filter designs are based upon drive rated During the project application and design process, the voltage and current. Eaton application engineers select a intended cable lengths and motor type selected will filter during the project design process. -
Page 79: Figure 59. Dv/Dt Filter Cabinet In Sc9000 Ep Lineup
Appendix D: Optional equipment Figures 59 and 60 show the dV/dt filter cabinet location and power flow position in the SC9000 EP. Figure 59. dV/dt filter cabinet in SC9000 EP lineup Figure 60. dV/dt filter power flow dV/dt cooling requirements Maintenance The installed filter’s cabinet cooling system provides its... -
Page 80: Section 3: Sine Filter
Filter is included in the SC9000 EP, these sensors capacitors and resistors. The inductors and capacitors connect to the SC9000 EP I/O and the drive application is assemblies include protective sensing devices. programmed to monitor them. Detection of a thermal switch Figure 61 shows a representative sine filter diagram. -
Page 81: Figure 63. Sine Filter Panel Layout
Figures 64 and 65 show a typical SC9000 EP lineup with a sine filter included. The sine filter mounts adjacent to the inverter cabinet in an SC9000 EP lineup. -
Page 82: Figure 65. Sine Filter Power Flow One-Line Diagram
Figure 65. Sine filter power flow one-line diagram Figures 66 and 67 show installed Sine Filters in two Figure 67. Frame D sine filter frame sizes. Figure 66. Sine filter with filter fans shown SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 83: Table 16. 2400 V Sine Filters For Induction Motors
The connected motor horsepower and current determine 1250 92 x 40 x 50 3860 which SC9000 EP sine filter to apply. Tables 16 and 17 show 1500 92 x 40 x 50 4123 the filter catalogue numbers along with corresponding induction motor ratings. -
Page 84: Section 4: Synchronous Transfer
Do not use the Open Loop Vector Control mode with a sine transfer the motor from the SC9000 EP to the utility bus. filter installed. The Sine Filter will interfere with the SC9000 The Synchronous Transfer system can also transfer any EP motor model calculations, resulting in improper operation. -
Page 85: Figure 68. Synchronous Transfer
Since a successful transfer includes voltage, frequency and phase synchronization between the SC9000 EP and the utility bus, the drive times each transfer step to the millisecond. Figure 68. Synchronous transfer SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 86: Figure 69. Synchronous Transfer Panel Layout
Appendix D: Optional equipment Synch transfer panel layout and power flow Figure 69 shows a typical synchronous transfer system panel layout and power flow. Figure 69. Synchronous transfer panel layout SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 87: Figure 70. Synchronous Transfer Elements
When the motor select contactor is closed, the PLC starts ● the AFD. The AFD accelerates and operates the selected motor at either a preset speed or a reference speed (Figure 72) SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 88: Figure 74. Selected Motor On Utility Bus
The AFD is commanded to match the utility’s voltage, ● frequency and phase angle; once this is completed, the The SC9000 EP monitors fault conditions and alarm states AFD output contactor closes and the selected motor’s for all Synchronous Transfer system elements. Individual utility’s bypass contactor opens. -
Page 89: Section 5: Synchronous Motor System
Once at synchronous speed, the amortisseur windings act as damping windings to discourage motor speed variation, or hunting. SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 90: Figure 81. Sc9000 Ep Brushless Synchronous Motor Control
For detailed information on your Synchronous Motor control The SC9000 EP Synchronous Motor control system provides system, refer to the O&M manual, publications: both stator and rotor control and power. The SC9000 EP IB48045 Instructions For Ampgard ® Mark 5.5 Solid-State,... -
Page 91: Section 6: High Voltage Input
Purpose 7500 hp induction motor (300 AFL). The SC9000 EP can deliver 2400 V, 3300 V or 4160 V output voltages, and can accept input voltages between 2.4 kV and 13.8 kV. When the source voltage is above 6.9 kV, the SC9000 EP must include an additional 72-inch wide cabinet grouping. -
Page 92: Figure 83. High Voltage Incoming Compartment
Instructions for Installation, Operation, and Maintenance of the AMPGARD 15 kV, 300 A Vacuum Starter IB 48051 Instructions for Installation, Operation, and Maintenance of the SL 15 kV, 300 A Vacuum Contactor SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... -
Page 93: Section 7: Bypass System
Control Elements colors and symbols Purpose = de-energized = energized feeder bus Bypass control provides for those times when an SC9000 EP = contactor closed AFD is taken offline and the connected motor must run. This chapter addresses the Eaton SC9000 EP bypass control Under normal conditions, the SC9000 EP powers the motor, products. -
Page 94: Figure 88. Typical Rvss Cabinet
= energized bus energized contactor closed Under normal operation, the SC9000 EP is operating and providing power to the connected motor. The bypass contactor is in the non-bypass position, with power from the reduced voltage soft start system not connected to the motor through the bypass contactor. -
Page 95: Figure 91. Rvss Bypass System Bypassed
For detailed information on your bypass control system, refer to the O&M manual, publications: DEH41021 Medium Voltage Solid State OEM Soft Starter Installation and Operation Manual IB 48041 Instructions for AMPGARD 400 A Medium Voltage Starter SC9000 EP medium voltage drives IB020001EN—February 2016 www.eaton.com... - Page 96 At Eaton, we’re energized by We power businesses with the challenge of powering a reliable, efficient and safe world that demands more. With electrical power management over 100 years experience in solutions. Combined with our electrical power management, personal service, support and...
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