Siemens make Distance Protection Siprotec Numerical Relay
Type : 7SA510
Features and technical specifications:
- Distance Protection
- CT inputs : 4 No’s
- PT inputs : 3 No’s
- Binary inputs : 4 No’s
- Binary output’s : 5 Alarm relay outputs, 2 command output
- External DC power supply required
The following functions are available
- Distance Protection
- Fault Locator
- Thermal Overload Protection
- Load Values
- Over Current Time Protection (Emergency)
The following measurements functions are available
- Current
- Voltage
- Active Power
- Reactive Power
- Frequency
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