STDES-VRECTFD

Active
Design Win

15 kW, three-level, three-phase Vienna rectifier with digital control for power factor correction

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Product overview

Description

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.

  • All features

    • Three-phase, three-level AC-DC power converter
      • Nominal rate for DC voltage: 800 VDC
      • Nominal rate for AC voltage: 400 VAC 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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All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      STSW-VRECTFD

      Active

      Firmware for three-phase Vienna rectifier with full digital control for power factor correction

      Evaluation Tool Software ST
      STSW-VRECTFD

      Description:

      Firmware for three-phase Vienna rectifier with full digital control for power factor correction

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STDES-VRECTFD
Active
- Industrial - Yes

STDES-VRECTFD

Package:

-

Material Declaration**:

Marketing Status

Active

Package

-

Grade

Industrial

RoHS Compliance Grade

-

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (EU)
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Budgetary Price (US$)*/Qty
STDES-VRECTFD Available at distributors

Distributor availability of STDES-VRECTFD

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Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
SCTW35N65G2V, STGAP2SICS, STPSC20H12, STM32G474RE
Active
ST - - - Not for sale

STDES-VRECTFD Active

ECCN (US):
-
Budgetary Price (US$)*/Qty:
-

Part Number:

STDES-VRECTFD

Core Product:

SCTW35N65G2V, STGAP2SICS, STPSC20H12, STM32G474RE

Supplier:

ST

ECCN (EU):

-

Country of Origin:

-

Board production status:

Not for sale

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors