STDES-VRECTFD

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製品概要

概要

The STDES-VRECTFD reference design is a complete solution for high-power three-phase AC/DC rectifier applications based on the Vienna topology.

It features full digital control through the STM32G474RET3 MCU and provides both digital output voltage regulation and continuous conduction mode (CCM) current regulation for the maximum power quality related to total harmonic distortion (THD) and power factor (PF).

The high switching frequency of the SCTW35N65G2V SiC MOSFETs (70 kHz) and the multilevel structure allow a nearly 99% efficiency as well as the optimization of passive power components in terms of size and cost.

This high efficiency Vienna rectifier is designed for several end applications, such as electric vehicle (EV) and industrial battery chargers, and industrial equipment that requires a very high PF and a low THD.

The STDES-VRECTFD is a fully assembled kit developed for performance evaluation only, not available for sale.

特徴
Three-phase, three-level AC-DC power converter

Nominal rate for DC voltage: 800 V_DC

Nominal rate for AC voltage: 400 V_AC at 50 Hz

Maximum power: 15 kW

Power factor: >0.99

Inrush current control and soft start-up

THD lower than 5% at nominal operation

Power section based on SiC MOSFETs and SiC diodes:

High frequency operation (70 kHz)

High efficiency: >98%

Passive element weight and size reduction

Control section based on the STM32G474RET3 microcontroller:

Control and monitoring interfaces: SWD–UART, I²C, and DACs

64-pin digital power connector

LED status as UI

Four integrated high-performance op-amps for additional features
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	製品型番	ステータス	概要	タイプ	サプライヤ
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