IEEE Electrific ation Magazine / j une 2 0 1 5 31 M Board to Board Communication Figure 11. The PHILS setup of a ship IPS with the propulsion load. BESS DSP Board2 AFE Converter INV2 AFE Converter - Small-Scale PHIL Implementation 50-µs Sampling INV3 Inverter + Inverter + - dc-Link with BESS Electric Propulsion System with BESS Propulsion Motor M EPM Motor Generator Set 50-µs Sampling INV4 G DA: Digital to Analog AD: Analog to Digital SCI: Serial Communication Interface DSP: Digital Signal Processor FLOPS: Floating Point Operations per Second GFLOPS: Giga FLOPS Power Supply DSP Board3 Propulsion Load Dynamics (Robinson Curve and Ship Hydrodynamics Model) Full-Scale Ship Model G Power Source Real-Time HILS 25-µs Sampling x4 DA to Scope Emulator Power Supply Ethernet 100 Mb/s USB SCI 12 Mb/s DSP Board1 INV1(3Lv) TMS320C6678 Multicore DSP (16GFLOPS × 8) LCL Filter PCC PCC Voltage Amplifier Ship Service and Pulse Load Ship IPS