The three-phase relay test bench verifies a wide range of relays, including current, voltage, inverse time, power direction, impedance, differential, low-cycle, synchronization, frequency, DC, intermediate, and time, as well as microcomputer protection. It simulates complex transient, permanent, and conversion failures across the full set of tests.
The three-phase relay test bench verifies a wide range of relays, including current, voltage, inverse time, power direction, impedance, differential, low-cycle, synchronization, frequency, DC, intermediate, and time, as well as microcomputer protection. It simulates complex transient, permanent, and conversion failures across the full set of tests.
AC current output | |
Phase current output (effective value) | 0~40A, Output precision: 0.2° (reference) |
3-phase parallel current output (effective value) | 0~120A |
Long-time phase current | 10A |
Maximum output power of phase current | 450VA |
Maximum output power of 3-phase parallel current | 900VA |
Maximum permitted operating time of 3-phase parallel current | 10 s |
Frequency range (fundamental) | 0~1000 Hz |
Harmonic order count | 0~20 |
DC current output | |
Current output | 0~±10A / phase, 0~±30A / 3-phase parallel |
Output precision | 0.5° (reference) |
AC voltage output | |
Phase voltage output (effective value) | 0~120V, Output precision: 0.2° (reference) |
Line voltage output (effective value) | 0~240V |
Phase voltage / line voltage output power | 80VA / 100VA |
Frequency range (fundamental) | 0~1000 Hz |
Harmonic order count | 0~20 |
DC voltage output | |
Phase voltage output range | 0~±160V, Output precision: 0.5° (reference) |
Line voltage output range | 0~±320V |
Phase voltage / line voltage output power | 70VA / 140VA |
10-path digital input and 8-path digital output | |
Time measuring range | 0.1 ms ~ 9999 s |
Measurement accuracy | <0.1 ms |