18033586. POWER CONVERSION DEVICE simplified abstract (Mitsubishi Electric Corporation)
Contents
POWER CONVERSION DEVICE
Organization Name
Mitsubishi Electric Corporation
Inventor(s)
Tenjiro Hiwatari of Tokyo (JP)
Kiyoshi Ohishi of Nagaoka-shi, Niigata (JP)
Yuki Yokokura of Nagaoka-shi, Niigata (JP)
Yuto Kobayashi of Nagaoka-shi, Niigata (JP)
POWER CONVERSION DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18033586 titled 'POWER CONVERSION DEVICE
Simplified Explanation
The patent application describes a power conversion device that converts DC power into AC power and supplies it to a load. The device uses switching devices and switching parameters to define the switching state quantity, which determines the power output.
- The power conversion device converts DC power into AC power and supplies it to a load.
- The switching state quantity is defined by combinations among switching parameters of switching devices.
- A voltage output calculation device calculates the voltage output value on the power conversion circuitry based on the switching state quantity.
- An integration value calculation device integrates a voltage reference value and the calculated voltage output value to acquire a voltage reference integration value and a voltage output integration value.
- A switching update-determination unit outputs an update signal of the switching state quantity based on the voltage reference integration value, its allowance value, and the voltage output integration value.
- A switching determination table determines the switching state quantity of the switching devices based on the voltage reference integration value, the voltage output integration value, and the update signal.
Potential applications of this technology:
- Power conversion devices for renewable energy sources such as solar panels or wind turbines.
- Power inverters for electric vehicles.
- Uninterruptible power supply systems.
Problems solved by this technology:
- Efficiently converting DC power into AC power.
- Optimizing the switching state quantity to achieve desired power output.
- Integrating voltage reference values and voltage output values for accurate calculations.
Benefits of this technology:
- Improved energy conversion efficiency.
- Enhanced control and optimization of power output.
- Reliable and accurate voltage calculations for better performance.
Original Abstract Submitted
A power conversion device comprises: power conversion circuitry for converting DC power into AC power and supplying it into a load according to a switching state quantity defined by combinations among switching parameters of switching devices; a voltage output calculation device for calculating a voltage output value on the power conversion circuitry, based on the switching state quantity; an integration value calculation device for acquiring a voltage reference integration value and a voltage output integration value by integrating a voltage reference value and the calculated voltage output value; a switching update-determination unit for outputting an update signal of the switching state quantity, based on the voltage reference integration value, its allowance value, and the voltage output integration value; and a switching determination table for determining a switching state quantity of the switching devices, based on the voltage reference integration value, the voltage output integration value and the update signal.
