18175848. PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD simplified abstract (Apple Inc.)
Contents
- 1 PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Key Features and Innovation
- 1.6 Potential Applications
- 1.7 Problems Solved
- 1.8 Benefits
- 1.9 Commercial Applications
- 1.10 Prior Art
- 1.11 Frequently Updated Research
- 1.12 Questions about Power Factor Correction Circuit
- 1.13 Original Abstract Submitted
PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD
Organization Name
Inventor(s)
Chanwit Prasantanakorn of Santa Clara CA (US)
Bharat K Patel of San Martin CA (US)
PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD - A simplified explanation of the abstract
This abstract first appeared for US patent application 18175848 titled 'PFC DESIGN TECHNIQUE FOR HIGH PEAK LOAD
Simplified Explanation
The patent application describes a power factor correction circuit that improves the efficiency of electrical systems by controlling the input current to be in phase with the input voltage.
Key Features and Innovation
- Input receives rectified AC voltage
- Switching device controls input current to be in phase with input voltage
- Control circuitry produces clipped sinusoidal input current
- Increases peak load capacity of the circuit
- Operates in critical conduction mode
- Inductor with controlled current
- Sized for peak current of clipped sinusoidal input current
Potential Applications
The technology can be applied in various electrical systems where power factor correction is required, such as industrial machinery, power supplies, and LED lighting systems.
Problems Solved
The technology addresses the issue of inefficient power usage in electrical systems by improving power factor correction, leading to reduced energy consumption and increased efficiency.
Benefits
- Improved efficiency in electrical systems
- Reduced energy consumption
- Increased peak load capacity
- Enhanced power factor correction
Commercial Applications
Power Factor Correction Circuit for Industrial Machinery and Power Supplies
This technology can be utilized in industrial machinery and power supplies to improve efficiency and reduce energy costs, making them more environmentally friendly and cost-effective.
Prior Art
There have been previous power factor correction circuits, but this innovation focuses on producing a clipped sinusoidal input current to increase peak load capacity, which is a unique approach in the field.
Frequently Updated Research
There is ongoing research in the field of power factor correction circuits to further enhance efficiency and performance in electrical systems.
Questions about Power Factor Correction Circuit
Question 1
How does the control circuitry ensure that the input current is in phase with the input voltage?
The control circuitry operates the switching device to produce a clipped sinusoidal input current, which helps align the input current with the input voltage.
Question 2
What are the potential long-term benefits of implementing this power factor correction circuit in industrial machinery and power supplies?
The long-term benefits include reduced energy consumption, increased efficiency, and cost savings, making the systems more sustainable and economically viable in the long run.
Original Abstract Submitted
A power factor correction circuit can include an input that receives a rectified AC input voltage; at least one switching device operable to control an input current of the power factor correction circuit to be in phase with the rectified AC input voltage; and control circuitry that controls the at least one switching device to produce a clipped sinusoidal input current, thereby increasing peak load capacity of the power factor correction circuit. The control circuitry can operate the at least one switching device in a critical conduction mode. The power factor correction circuit can further include an inductor having an inductor current therethrough controlled by the at least one switching device and the control circuitry. The inductor can be sized for a peak current corresponding to a peak of the clipped sinusoidal input current.