Weak Grid Test Fixture
Simulates weak-grid conditions such as high network impedance, voltage/frequency fluctuation and three-phase imbalance to verify the grid adaptability of inverters and converters.
Обзор
The weak grid test fixture is a special testing device that simulates weak-grid conditions such as high distribution-network impedance, voltage/frequency fluctuation and three-phase imbalance, verifying the grid-connected adaptability of inverters and converters. It is mainly used for pre-grid-connection compliance testing and R&D verification of new-energy equipment, and can set different ratios of short-circuit capacity to equipment capacity (SCR = 1.0–10) to reproduce a low-SCR grid environment.
Применение
- Compliance testing of new-energy grid-connected equipment
- Inverter weak-grid adaptability R&D verification
- Pre-connection verification of storage converters
Технические характеристики
| Voltage range | 0–1000V |
|---|---|
| Current range | 0–3000A |
| Frequency | 50/60Hz |
| Power | 0–2000kW |
| Short-circuit ratio | SCR 1.0–10 configurable |
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