Protection Setting

The Protection Setting window contains the parameters to safeguard the TeSys Tera system.

The following sub-sections are available:

• Motor Protection: Contains the configurable motor protection parameters.

  

  The motor protection parameters are classified into the following sub-sections:

  • Thermal Overload

  • Locked Rotor

  • Stall Rotor

• Current Protection: Contains the configurable current protection parameters.

  

  The current protection parameters are classified into the following sub-sections:

  • Definite Time Overcurrent

  • Normal Inverse Overcurrent

  • Short Time Overcurrent

  • Phase Under Current

  • Calculated Ground Fault

  • Measured Ground Fault

  • Current Imbalance

  • Current Phase Reversal

  • Current Phase Loss

• Voltage Protection: Contains the configurable voltage protection parameters.

  

  The voltage protection parameters are classified into the following sub-sections:

  • Phase Under Voltage

  • Phase Over Voltage

  • Voltage Imbalance

  • Voltage Phase Reversal

  • Voltage Phase Loss

• Power Protection: Contains the configurable power protection parameters.

  

  The power protection parameters are classified into the following sub-sections:

  • Over Power

  • Under Power

  • Over Frequency

  • Under Frequency

  • Under Power Factor

• Additional Function: Contains the configurable additional function parameters.

  

  The parameters are classified into the following categories:

  • Maximum Number of Starts

  • Voltage Dip

  • Anti-Backspin Timer

  • Stop Error Detection

  • Excessive Start Timer

  • Block Output

  • Device Internal

• DI Interlock Protection: Contains the configurable digital input interlock protection parameters.

• Hysteresis Setting: Contains the configurable hysteresis parameters.