- General Electric Computer Accessories User Manual
Table Of Contents
- Safety Symbol Legend
- Chapter 1 Overview
- Chapter 2 Faults and Troubleshooting
- Chapter 3 Paramters/Functions
- Introduction
- Diagnostic and Utility Functions
- Drive Configuration Functions
- General Setup Functions
- I/O Functions
- LAN Functions
- Motor Control Functions
- Protective Functions
- Custom User Faults
- DC Link Protection
- Ground Fault Protection (Fast)
- Hardware Fault Strings
- Heatsink Thermal Protection
- Line-Line Voltage Protection
- Motor Overtemperature Detection
- Phase Current Protection
- Timed Overcurrent Detection
- Transformer Overtemperature Detection
- Motor Ground Protection
- Phase Imbalance Monitor
- Line Monitor
- Phase Lock Loop
- Sequencer Functions
- Speed Reference Functions
- Speed/Torque Control Functions
- System Data Parameters
- Chapter 4 Wizards
- Introduction
- Introduction 4-1
- DAC Setup
- Drive Commissioning
- Drive Commissioning: Overview
- Drive Commissioning: Intelligent Part Number
- Drive Commissioning: Drive Units
- Drive Commissioning: AC Source Selection
- Drive Commissioning: Motor Nameplate Data
- Drive Commissioning: Motor Crossover Voltage
- Drive Commissioning: Motor Protection Class
- Drive Commissioning: Motor Poles
- Drive Commissioning: Motor Data Sheet
- Drive Commissioning: Motor Data Sheet - Equivalent Circuit Data
- Drive Commissioning: Motor Data Sheet - Flux Curve
- Drive Commissioning: Motor and Process Speed Referencing
- Drive Commissioning: Tachometer Support
- Drive Commissioning: Tachometer Pulses Per Revolution
- Drive Commissioning: Tachometer Loss Protection
- Drive Commissioning: Stopping Configuration
- Drive Commissioning: Flying Restart
- Drive Commissioning: X-Stop Configuration
- Drive Commissioning: X-Stop Ramp Time
- Drive Commissioning: Run Ready Permissive String
- Drive Commissioning: Starting and Stopping the Drive
- Drive Commissioning: Manual Reference
- Drive Commissioning: Maximum Speed References
- Drive Commissioning: Jog Speed Setpoints
- Drive Commissioning: Reference Ramp Bypass
- Drive Commissioning: Reference Ramp Mode
- Drive Commissioning: Reference Ramp Speed Independent Rates
- Drive Commissioning: Reference Ramp Speed Independent Rate Set Selection
- Drive Commissioning: Reference Ramp Programmed Acceleration Rates
- Drive Commissioning: Reference Ramp Programmed Acceleration Speeds
- Drive Commissioning: Reference Ramp Programmed Deceleration Rates
- Drive Commissioning: Reference Ramp Programmed Deceleration Speeds
- Drive Commissioning: DDI Increment and Decrement Rates (Local Mode)
- Drive Commissioning: Speed/Torque Regulator Configuration
- Drive Commissioning: Speed/Torque Regulator Modes
- Drive Commissioning: Torque Regulator Reference and Output
- Drive Commissioning: Torque with Speed Override Reference and Output
- Drive Commissioning: Torque with Speed Override Speed Error
- Drive Commissioning: Torque with Speed Override Stopping Behavior
- Drive Commissioning: Torque and Current Limits
- Drive Commissioning: Torque and Current Limits Uniform
- Drive Commissioning: Failed Calculation
- Drive Commissioning: Torque and Current Limit Selection
- Drive Commissioning: Normal Torque and Current Limits
- Drive Commissioning: Alternate Torque and Current Limits
- Drive Commissioning: Motoring Torque Limits
- Drive Commissioning: Generating Torque Limits
- Drive Commissioning: Current Limits
- Drive Commissioning: Power Dip Ride-Through
- Drive Commissioning: Parameter Calculation
- Drive Commissioning: Simulator Mode
- Drive Commissioning: Hardware Fault Strings in Simulator Mode
- Drive Commissioning: Simulator Mechanical Configuration
- Drive Commissioning: Exit Reminder
- Drive Commissioning: Conclusion
- Line Transfer Tuneup
- Motor Control Tuneup
- Panel Meter Setup
- Per Unit Setup
- Line Protection Setup
- Pulse Test
- Remaining Parameter Setup
- Simulator Setup
- Speed Regulator Tuneup
- Speed Regulator Tuneup: Model
- Speed Regulator Tuneup: System Inertia
- Speed Regulator Tuneup: Inertia Measurement Command
- Speed Regulator Tuneup: Speed Regulator Mode
- Speed Regulator Tuneup: Manual Regulator Tuneup
- Speed Regulator Tuneup: 1st Order Response
- Speed Regulator Tuneup: 2nd Order Response
- Speed Regulator Tuneup: 2nd Order Response with Stiffness Filter
- Speed Regulator Tuneup: Calculate Speed Regulator Gains Command
- Notes
- Chapter 5 Signal Mapping
- Appendix A Function Block Diagrams
- Index
- Reader Comments
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Chapter 3 Paramters/Functions Innovation Series Medium Voltage GP Type - G Drives GEH-6385
Motor Control Functions
Motor Control Overview
The Innovation Induction motor control algorithm utilizes a Flux-Vector control
strategy. The motor control features include the following:
• Motor torque, flux and thermal models
• Online motor parameters adaptation
• Voltage and current regulators
• Voltage feedback offset correction
• Power-Dip ride through control
• Tach and Tachless mode operation
• Tach loss detection
• Current limit and Motor pull-out limit
• Automatic field-weakening control
• Torque Compensation
• Cross-over voltage control
Motor Equivalent Circuit parameter information is required for the motor controller.
These parameters can be obtained by running the Motor Control Tuneup wizard
during commissioning of the drive. The motor parameters will change due to motor
temperature variations; because of this, on-line parameter adaptation, motor thermal
model and torque compensation schemes (shown in diagram, Motor Control
(Ovr_MCtrl) are incorporated in the motor control to enable accurate tracking of
torque, flux and calculated speed.
Motor electrical models are used to form feedforward models, feedback torque, flux
and speed calculations.
The induction motor controller can be used with or without tachometer. It can also be
configured to operate in tachometer control mode with automatic switch over to
Tachless control upon detection of a Tach-loss situation (comparison between model
calculated speed and actual speed feedback signal).
Field flux control can be manipulated by Flux ref ratio (inputs to motor control
shown in the diagram, Motor Control (Ovr_MCtrl). However, if the inverter output
voltage approaches its limit (Crossover Voltage) by increasing speed, an automatic
field-weakening control will take action to limit the output voltage (by reducing flux
command) to the Crossover Voltage level.
Current limits in the drive are affected by motor Pull-out torque capability, Power
Dip Protection control, and user current limit setting (as shown in diagram Motor
Control Interface (Core)). Motor pullout limit normally occurs when a large torque is
demanded in deep field-weakening operating region.
Related diagrams
• Motor Control Interface (Core)
• Motor Control (Ovr_MCtrl)