 Introduction |
| Motor theory |
| Current transformer selection |
| Motor thermal modeling |
Additional protective elements
- Short circuit protection
- Ground fault and ground fault detection
- Phase differential current protection
- Single phase protection
- Motor status detection
- Mechanical jam detection
- Loss of load detection
- Acceleration timer
- Starts per hour
- Time between starts |
| Class settings calculation examples |
| Model specific hardware overview, options and ordering details |
| Specifications |
| Mechanical installation and wiring |
| enerVista setup software |
Hands-on Lab
- Establishing communication to the relay
- Loading and saving settings files lab |
Setpoints
- 239 setup
- System setup
- Digital inputs and output
- Thermal model
- Current elements
- Motor starting
- RTD temperature
- Voltage elements
- Power elements
- Monitoring |
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|
Fault simulation labs dealing with specific protection elements
- Thermal overload and emergency
restart
- IOC
- Ground fault
- Mechanical jam and loss of load
- Differential fault
- Single phasing
- Undervoltage
- Overvoltage |
Note that for all lab exercises the event log
and simulated waveform capture information
will be reviewed.
|
Actual values
- Status, metering and trending
- Event recorder and waveform capture |
| Keypad labs |
| Firmware updates |
| Data communications overview |
| |
|
Protection & Control 
