- 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

GEH-6385 Reference and Troubleshooting, 2300 V Drives Chapter 3 Paramters/Functions
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3-49
Motor Temperature Estimation
The Motor Temperature Estimation function estimates the rotor and stator
temperatures.
Function inputs
The Motor Temperature Estimation uses the following information to calculate the
rotor and stator temperatures:
• Estimated rotor and stator resistances
• Thermal properties of the stator and rotor winding materials
• Motor ambient temperature
The estimated rotor and stator temperatures are calculated using online parameter
estimation. The thermal properties of the winding materials and the motor ambient
temperature are internal drive constants.
Function outputs
The following table specifies the outputs of the Motor Temperature Estimation.
Variable Description
Rotor temp Estimated rotor temperature. Degrees C or Degrees F
Stator temp Estimated stator temperature. Degrees C or Degrees F
Power Dip Protection
The Power Dip Protection function sustains DC link voltage when a low voltage
condition is detected.
Function inputs
The following table specifies the input variables of the Power Dip Protection
function.
Variable Description
DC bus feedback DC link voltage. DC volts
Function configuration
The following table specifies the configuration parameters for the Power Dip
Protection function.
Parameter Description
Power dip control Specifies one of three functional modes:
Disabled
Enabled with standard operation
Enabled with custom operation
Custom pwr dip time Length of time that the function attempts to sustain the
DC link in custom mode. Seconds