Reference Designs
10-kW: bidirectional three-phase three-level (T-type) inverter and PFC reference design
Texas Instruments
This verified reference design provides an overview on how to implement a three-level three-phase SiC based DC:AC T-type inverter stage. Higher switching frequency of 50KHz reduces the size of magnetics for the filter design and enables higher power density. The use of SiC MOSFETs with switching loss ensures higher DC bus voltages of up to 1000V and lower switching losses with a peak efficiency of 99 percent. This design is configurable to work as a two-level or three-level inverter.The system is controlled by a single C2000 microcontroller (MCU): TMS320F28379D: which generates PWM waveforms for all power electronic switching devices under all operating modes.
Features
- Rated nominal/max input voltage at 800V/1000VDCMax 10kW/10KVA output power at 400VAC 50/60Hz T-type connectionOperating power factor range from 0.7 lag to 0.7 leadHigh voltage (1200V) SiCMosFET based full bridge inverter for peak efficiency of 99%Isolated current sensing using AMC1301 for load current monitoringIsolated driver ISO5852S with reinforced isolation for driving High voltage SiC MOSFET and UCC5320S for driving middle Si IGBT
Applications
- String inverter
- Three phase UPS
- Servo drive power supply module
- Central inverter
- Fuel cell inverter
- DC fast charging station
- Power conversion system (PCS)
- Traction inverter motor control
- DC fast charging power module
- Wireless EV charging station
- High-voltage direct current (HVDC) power transmission
Product Categories
- Power management
End Equipment Reference Diagrams
Application Area
End Equipment
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