3-level, 72-pulse STATCOM

This model is a 3-level STATCOM with 72 switches for the voltage stabilization of a 77 kV bus. A multi-pulse transformer allowing for a three-phase to 18-phases AC system is interfacing the FACTS system to the grid. A relatively low frequency PWM switching algorithm is applied (300 Hz carrier frequency) to reduce switching losses in the STATCOM. However, the multi-pulse topology with six (6) 3-level bridges allows for characteristic harmonics elimination as each bridge carrier signals are interlaced with a phase shift of 1/6 of the carrier period.

System Configuration
Application Package AD-GRID-19
CPU Type Dual Intel®CoreTM 2 Quad Processors with a clock speed of 2.3GHz and 2 GB RAM
Number of CPUs 1
Time Step 50us
Minimum Time Step
Time Factor

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