STDES-30KWVRECT

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30 kW Vienna PFC rectifier reference design with digital control

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Overview

Product overview

Description

Description

The STDES-30KWVRECT reference design introduces a complete digital power solution for high-power three-phase active front end (AFE) rectifier applications based on the three-level Vienna topology.

This platform achieves a peak efficiency of more than 98.5% by using the SCTWA90N65G2V-4 and the STPSC40H12C.

It features a fully digital control with the STM32G474RE mixed-signal high-performance microcontroller, providing the full control of the PF, DC voltage, and soft startup procedure.

The STDES-30KWVRECT achieves a low total harmonic distortion (less than 5% THD at full load) and a high-power factor (higher than 0.99 at full load), providing a high-bandwidth continuous conduction mode (CCM) current regulation.

The STDES-30KWVRECT 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 VNominal rate for AC voltage: 400 VMaximum power: 30 kWPower factor: >0.99Inrush current control and soft start-upTHD lower than 5% at nominal operation
    • Power section based on SiC MOSFETs and SiC diodes:High frequency operation (70 kHz)High efficiency: >98.5%Paralleled SiC MOSFETs for higher power with balanced sharing current Passive element weight and size reduction
    • Control section based on the STM32G474RE microcontroller:Control and monitoring interfaces: SWD–UART, I²C, and DACs64-pin digital power connector LED status as UIFour integrated high-performance op-amps for additional features

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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.Compliancy with WEEE Directive (2012/19/EU)The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMain country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.