AC890 Product Overview - Grp6.com

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Torque vs. Speed Curve225Motor base speed: 1750 RPM (4-pole)60 Hzcurve%T17515010050Base120 HzcurvePeak Inverter Torque(150 -200% current)100% currentoperating lineSpeed1800 3600Slip (50 rpm)Slip (50 rpm)• Above base speed, continuous torque declines to 50% at 2 x base.• Peak Inverter (overload) torque declines even more rapidly.14• Motor slip increases, for a given torque level.
Basic V/HZ Control Circuit:Input, Feedback and Control SignalsVOperatorInterfaceSpeed referenceDC Bus current &voltage feedbackIGBT FiringSignalsPWMmicroprocessorcontrollerMotor current &voltagefeedbackf15
Page 1: AC890 Product OverviewCALL 800-433-
Page 4 and 5: ProgrammingPort USBAll Control Conn
Page 6 and 7: I/O Terminal Interface Module - NEW
Page 11 and 12: Basic SSD Drives AC Power CircuitBR
Page 13: Power Factor on AC and DC Drives.96
Page 17 and 18: 17Autotuning on Sensorless Vector D
Page 19 and 20: AC VECTOR CONTROL LOOPSAC Vector Dr
Page 21 and 22: Motor Current VectorsMagnetizingCur
Page 23 and 24: Conditions for Regenerating onan AC
Page 25 and 26: Dynamic Braking on AC DrivesACInput
Page 27 and 28: Line Regenerative AC DrivesBI-DIREC
Page 29 and 30: Common Bus Drive Power Connections:
Page 31 and 32: Input Power ConfigurationsParallel
Page 33 and 34: Typical System:135HP Common Bus350
Page 35 and 36: Common Bus Adapter Module Connectio
Page 37 and 38: AFE Power Connections:Common Drive(
Page 39 and 40: Line Regenerative SolutionsLarger A
Page 41 and 42: Easy set-up using DSEconfiguration
Page 43: Performance LevelsAC890 can deliver
Page 46 and 47: Duct Assembly Option - ExampleSizin
Page 48 and 49: 6901 Keypad OptionThe 6901 keypad (
Page 50 and 51: Speed Feedback OptionsFeedback Type
Page 52 and 53: Incremental (Pulse) EncoderPerforma
Page 54 and 55: Sin / Cos Encoder Option• Samplin
Page 56 and 57: Option CardsSin/Cos Encoders• Inc
Page 58 and 59: Option CardsSin/Cos Encoders• Abs
Page 60 and 61: Communication OptionsComms Type Use
Page 62 and 63: Electronic Line Shaft ControlSoluti
Page 64 and 65:
PLC FriendlyTypical 3-drive AC890 s
Page 66 and 67:
AC890PXHigh PowerModular ACDrives
Page 68 and 69:
• Each bay location holds 1 Power
Page 70 and 71:
POWER ENTRY TYPESTOP POWEREntry / E
Page 72 and 73:
Dynamic Braking - Standard!Dynamic
Page 74 and 75:
Three uses of Active Front End arch
Page 76 and 77:
1500 HP Parallel 890PX w/ Circuit B
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AC890 Product Overview - Grp6.com

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