Modular Power Converter Architecture for Reconfigurable T/RIMM Power
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Solution Overview
Problem
Conventional T/RIMM antenna arrays are unable to convert AC prime power into DC voltage and are inflexible due to fixed power distribution systems, which limits their adaptability with evolving antenna technology and long distances between power sources and antenna arrays.
Innovation Solution
A modular high-power converter system with interchangeable modular power converter units that dynamically reconfigure to convert AC voltage to DC voltage, allowing real-time adaptation and flexibility in power distribution without disconnecting power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed-size power cables and fixed-rating power distribution systems are used to distribute prime power over long distances, then power delivery capability is maintained, but system adaptability and flexibility deteriorate
Solution Approach 1:
The power distribution system is divided into modular units including interchangeable power converter units (PCUs) that can be independently selected and configured. Each PCU contains standardized components (rectifier, DC-DC converter, controller) that can be mixed and matched to create different power delivery configurations, enabling system adaptability without requiring complete system redesign.
Solution Approach 2:
The system employs dynamic reconfiguration capability where PCUs can be added, removed, or swapped during operation to adapt to changing power requirements. The controller dynamically adjusts operating parameters based on real-time conditions, allowing the system to transition between different operational states without physical reconfiguration of the entire power distribution infrastructure.
2Ease of operation
If AC voltage is transmitted over long distances without intermediate conversion, then transmission simplicity is maintained, but voltage conversion capability and power quality deteriorate
Solution Approach 1:
The system introduces intermediate DC voltage stages between AC power sources and DC loads. AC voltage is first converted to a standardized intermediate DC voltage level, which then serves as a common interface for multiple DC-DC converter modules. This intermediary DC stage simplifies long-distance transmission by eliminating the need for complex AC voltage regulation over distance while ensuring reliable power conversion through standardized interfaces.
3Adaptability or versatility
If fixed-rating power converters are used in T/RIMM antenna arrays, then initial system configuration is simplified, but ability to adapt to evolving antenna technology and varying power requirements deteriorates
Solution Approach 1:
The power converter system employs universal PCUs with standardized electrical and mechanical interfaces that can serve multiple antenna types and power requirements. Each PCU is designed to accommodate varying power ratings and conversion ratios through reconfigurable DC-DC converter stages, allowing the same basic unit to support different antenna technologies without requiring custom-designed converters for each application.
Solution Approach 2:
The system enables parameter changes by allowing dynamic reconfiguration of DC-DC converter ratios and switching frequencies within each PCU. Controllers adjust operating parameters in real-time based on antenna power requirements, enabling the same hardware configuration to adapt to evolving antenna technologies and varying operational conditions without physical modification of the converter units.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular system enables flexible and efficient power distribution, adapting to evolving antenna technology and T/R systems, and allows for easy transfer of modular units between vehicles, enhancing power delivery and system adaptability.
Implementation Method 1
The AC-to-DC converter rectifies the prime power and outputs a stepped-down DC voltage to the antenna arrays
Implementation Method 2
The modular-based DC/DC converter includes at least one modular power converter unit configured to generate the second DC voltage
Data Source
AI summary
A modular high-power converter system includes an electronic power distribution unit configured to output an analog current (AC) voltage to a power bus, and at least one Transmit or Receive Integrated Microwave Module (T/RIMM) that includes a voltage converter unit and a transmitter and receiver (T/R) unit. The voltage converter unit includes at least one analog-to-digital converter (ADC) to convert the AC voltage into a direct current (DC) voltage having a first DC voltage level. The transmitter and receiver (T/R) unit includes a modular-based DC/DC converter to convert the DC voltage into a second DC voltage having a second voltage. The modular-based DC/DC converter includes a modular power converter unit configured to generate the second DC voltage. The modular converter unit is configured to be independently interchangeable with a different modular converter unit.