DC/DC Converter

It is a low-cost converter with high efficiency to which the doubler-type topology for driving a vehicle motor is applied.

Input voltage12V~14VMaximum input current40A
Output voltage20V~28VMaximum output current20A
Rated output500WSwitching frequency18.6KHz
Conversion efficiency93%Features
  • Applied ZVS resonance using L-C
  • Capable of making a low-cost converter using doubler topology
Application areasThe firms that need a power conversion device for driving an automotive motor

Automotive Inverter

The automotive inverter applies single-phase full-bridge topology and supports sinusoidal wave output.

Rated output3KW(Max 4KW)THD (MAX) distortion20%
Input voltage220VAC, 310VDCOutput ratio Voltage drop(±5%)
Output voltageAC220V(±5%)Conversion efficiency90%
Output frequency60HzSwitching frequency25Khz
Output waveformSinusoidal wavesNo load current0.61A(no fan), 1.13A(on fan)
Application areasPower conversion for commercial and special vehicles and automotive motor controlFeaturesSinusoidal wave output through repeated power supply and regenerative mode in high-performance DSP adoption and switch control

Electronic Load System

Electronic load System has a type of multi-level interleaved converter.

Rated power120KWMaximum rated current160A
Voltage range0~75VFeatures
  • Maximum 12 unit interleaved control
  • High performance of 120kW
  • Programmable electronic load with high efficiency
  • Interleaved converter for measuring battery time and discharging

xEV Reusable Battery Metering Equipment

The metering equipment is used to estimate xEV reusable battery parameters.

  • Parameter estimation using ACIR measurement
  • TMS302F28335 CPU board with high performance
  • SOC based battery parameter measurement and feature analysis
  • Estimation of electrolyte resistance (Ri) through high frequency
  • Analog detection of maximum and minimum values
  • Low frequency based estimation of electron transport resistance (Rd) and electric double layer (Cd)

Protection current auto control system

The protection current auto control system is based on impedance estimatino.

  • Circuit impedance estimation / current balancing
  • Reference potential protection current management technique
  • Universal RF relay ternary communications
  • Low energy consumption MPPT and small-capacity battery