Technical FAQs 4

Which boards work together to form a three-phase inverter reference design?

The following boards work in tandem to form this three-phase inverter reference design: The UCC21710 device is a 5.7-kVRMS, reinforced isolated gate driver for Insulated-Gate Bipolar Transistors (IGBT) and SiC MOSFETs with split outputs, providing 10-A source and 10-A sink current. The input side operates from a single 3-V to 5.5-V supply.

What is three-phase bidirectional power-flow transition?

Three-phase bidirectional power-flow transition: full-power 11 kW inverter mode to full-power 11 kW PFC mode– under 230 VAC line-to-neutral voltage. (a) Full time-scale view; (b) Zoom-in view

What is the efficiency and power loss of three-phase inverter mode?

Figure 51 and Figure 52 display the measured efficiency and power loss under three-phase inverter mode operation at different line voltages. The peak efficiencies of 99.263%, 99.122%, and 98.855% and the full-load efficiencies of 99.166%, 98.938%, and 98.632% are measured for the high-line, nominal, and low-line conditions, respectively.

What is the efficiency of ACDC bidirectional converter?

The system incorporates three-level active neutral point clamped ACDC bidirectional converter, achieving a peak efficiency of 99.15% and 98.95% in three-phase PFC rectifier mode and inverter mode respectively.

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Combined three-phase bidirectional inverter

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