Design of UPFC supervisory control system based on DSP

A multiple-channel high-performance synchronous SCADA system based on DSP is developed to study the dynamic performances and system response of a physical test model of 20 kV&middotA UPFC under different control rules. With TI high-performance float-point DSP, the system implements synchronous parallel sampling of 36 analogs and 64 binaries with sampling rate at 100 kHz, and transfers data from DSP to host memory with 4 MB/s rate via PCI bus interface chip. It has 8 output relays and a RS-232 serial communication interface to control the operation of UPFC model. The application software developed with Labwindows/CVI realizes the real-time acquisition, analysis, display and archiving of UPFC model operating data, as well as the human-machine interface to control the operation of UPFC model. Field experiments have verified these functions.