AQ G215 Generator Protection Relay
| Protection Function |
ANSI |
|
|
Protection Function |
ANSI |
| Three-phase instantaneous overcurrent protection - I>>> |
50 |
|
|
Undervoltage protection |
27 |
| Three-phase time overcurrent protection - I>, I>> |
51 |
|
|
Residual voltage protection - Uo >, Uo >> |
59N |
| Residual instantaneous overcurrent protection - Io>>> |
50N |
|
|
100% Stator earth fault protection - U0f3 > |
64F3 |
| Residual time overcurrent protection - Io>, Io>> |
51N |
|
|
Overfrequency protection - f> |
81O |
| Voltage restrained or voltage controlled overcurrent - Iv> |
51V |
|
|
Underfrequency protection - f< |
81U |
| Directional three-phase overcurrent protection - IDir>,IDir >> |
67 |
|
|
Rate of change of frequency protection - df/dt |
81R |
| Directional residual overcurrent protection - IoDir>,IoDir >> |
67N |
|
|
Synchrocheck - SYNC |
25 |
| Underimpedance protection, Z< |
21 |
|
|
Reverse power protection |
32 |
| Inrush detection and blocking - I2h > |
68 |
|
|
Fuse failure - VTS |
60 |
| Current unbalance protection - Iub > |
60 |
|
|
Loss of field/underexcitation protection - X< |
40 |
| Negative sequence overcurrent - I2 |
46 |
|
|
Overexcitation/volts per hertz, V/Hz |
24 |
| Thermal protection - T > |
49 |
|
|
Breaker failure protection - CBFP |
50BF |
| Overvoltage protection - U >, U >> |
59 |
|
|
|
|
- Cost efficient synchronous machine protection
- Large customizable HMI with configurable Mimic diagram
- 16 freely configurable multi-colour LEDs with user description selectable texts
- Measurement accuracy of up to class 0.2S
- 3 Inputs (8/16/24/32 Optional) - 6 Outputs (5/10/15/20 Optional)
- Up to 15000 events in permanent flash memory, 60MB memory for disturbance records and user files
- IEC 61850, HSR, PRP, IEC 101,IEC 103, IEC 104, Modbus, DNP 3.0, SPA
- NTP, Precision Time Protocol (PTP) according to IEEE 1588
- Sub-cycle instantaneous trip times
- Fast integrated arc protection
- Frequency independent protection at 6…75Hz
