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Menlo DC support capacitor

2022-11-25
MENTRONIX

  With the sustained and rapid development of China's economy and the continuous improvement of residents' income, China's car ownership has exploded in recent years. According to the statistics of relevant departments, at the end of 2014, the number of civil vehicles in the country reached 154.47 million, an increase of 12.4% over the previous year, while the average number of vehicles increased by more than 11 million annually in the past decade. Due to the increase in the use of automobiles, the problem of air pollution in China is becoming more and more serious. With the improvement of residents' awareness of environmental protection, electric vehicles with zero air pollution have attracted more and more attention.

  Motor, battery and motor control technology are the three core technologies of electric vehicles. The core of motor control technology is the inverter technology that requires efficient motor control, while the inverter technology that requires efficient motor control requires a powerful IGBT and a matching DC support capacitor. The main circuit of motor control is shown in the following figure:

  MLC-LG

  

16424688823092451.png


  Menlo Outline drawing of MLC-LG metallized film filter/energy storage capacitor:

  



  Note: The above specifications are for model selection reference, and can be designed separately if there are special requirements.

  Refer to the following figure for typical circuit diagram:

  



  640 (5).png

performance

index

The performance of Menlo MLC-LG metallized film filter/energy storage capacitor is described as follows:

  


640 (6).png

  

Note: If the altitude exceeds 2000m, the impact of altitude on convection cooling and external insulation should be considered. Note: lt should take consideration regarding to convectional cooling and outter insulation as long as the height is exceed 2000m.

appearance

size

  

640 (7).png


  

characteristic

Used in DC filter circuit, can replace electrolytic capacitor;

The equivalent series resistance is small and can withstand large ripple current;

Small self-induction, low temperature rise, long service life;

Installation is simple and convenient.

Applicable scenario

SVG dynamic reactive compensation equipment

Solar power generation, wind power generation inverter

Inverter, UPS, welding machine, power supply

Locomotive, electric vehicle and hybrid vehicle


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