Bipolar HVDC System
This demo models a detailed bipolar HVDC system. A 1000 MW (±500 kV, 1kA per pole) DC link is used to transmit power from a 500 kV, 5000 MVA, 60 Hz network (SCR of 5) to a 345 kV, 10 000 MVA, 50 Hz network (SCR of 10).
The rectifiers and the inverters are composed of one (1) 12-pulse converter per pole. The rectifiers and the inverters are interconnected through 300 km distributed parameter lines and two 0.5 H smoothing reactors. The reactive power required by the converters is provided by a set of capacitor banks plus 11th, 13th and high pass filters for a total of 600 MVAR on each side. Two circuit breakers are used to apply faults on the inverter AC side and rectifier DC side.
On the inverter side, a resonant RLC circuit is included to study controller interaction. This circuit is modeled without SPS so the inverter-side grid impedance Z, defined by short-circuit power, resonance frequency and damping, is continuously adjustable during run-time.
System Configuration |
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|---|---|
| Application Package | AD-GRID-15 |
| CPU Type | Dual Intel® CoreTM 2 Quad Processors with a clock speed of 2.3GHz and 2 GB RAM |
| Number of CPUs | 3 |
| Time Step | 50us |
| Minimum Time Step | |
| Time Factor | |
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