18188548. PARALLEL OPERATION OF LOAD COMMUTATED INVERTERS simplified abstract (General Electric Company)
Contents
PARALLEL OPERATION OF LOAD COMMUTATED INVERTERS
Organization Name
Inventor(s)
Sreedhar Desabhatla of Bavaria (DE)
John Andrew Leonard of Roanoke VA (US)
PARALLEL OPERATION OF LOAD COMMUTATED INVERTERS - A simplified explanation of the abstract
This abstract first appeared for US patent application 18188548 titled 'PARALLEL OPERATION OF LOAD COMMUTATED INVERTERS
Simplified Explanation:
The patent application describes a system with multiple load commutated inverters (LCIs) connected in parallel. Each LCI includes a source bridge to convert AC voltage to DC voltage, a load bridge to convert DC voltage to variable frequency AC voltage, and a DC link connecting the two bridges. Each LCI also has a current regulator to control the current switching device in the source bridge, generating a current in the DC link.
- LCIs connected in parallel
- Source bridge converts AC to DC voltage
- Load bridge converts DC to variable frequency AC voltage
- DC link connects source bridge to load bridge
- Current regulator controls current switching device in source bridge
Key Features and Innovation:
- Parallel connection of multiple LCIs
- Efficient conversion of AC to variable frequency AC voltage
- Precise current control in the DC link
- Modular design for scalability and flexibility
- Improved power quality and reliability
Potential Applications:
- Renewable energy systems
- Electric vehicle charging stations
- Industrial motor drives
- Uninterruptible power supplies
- Grid-tied inverters
Problems Solved:
- Inefficient power conversion
- Lack of precise current control
- Limited scalability in power systems
- Poor power quality and reliability
- Complex integration of multiple inverters
Benefits:
- Higher efficiency in power conversion
- Enhanced control over current flow
- Scalable design for various applications
- Improved power quality and reliability
- Simplified integration of inverters in parallel
Commercial Applications:
Title: Advanced Parallel Load Commutated Inverter System for Power Conversion
This technology can be utilized in various commercial applications such as renewable energy systems, electric vehicle charging stations, industrial motor drives, and grid-tied inverters. The innovation offers improved efficiency, control, scalability, and reliability in power conversion systems, making it a valuable solution for modern energy needs.
Questions about Load Commutated Inverter System:
1. How does the parallel connection of LCIs improve power system performance? 2. What are the key advantages of using a current regulator in each LCI for precise current control?
Original Abstract Submitted
A system, including: a plurality of load commutated inverters (LCIs) connected in parallel, wherein each LCI includes: a source bridge for converting an alternating current (AC) voltage to a direct current (DC) voltage, wherein the source bridge includes at least one current switching device; a load bridge for converting the DC voltage from the source bridge to a variable frequency AC voltage; and a DC link coupling the source bridge to the load bridge; wherein each LCI includes a respective current regulator for controlling the at least one current switching device in the source bridge of the LCI to generate a current in the DC link.
