Distributed Multi-Phase Generator With Fault-Tolerant Field Angle Modulation
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Solution Overview
Problem
Existing multi-phase generators, particularly twelve-phase generators, lack redundancy and fail-safe operation, and their internal operations are statically driven, making them inflexible and inefficient for dynamic power demands.
Innovation Solution
A distributed multi-phase generator system comprising multiple generator subsystems, each with a processor, power generation circuit, and motor, connected via a shared network, allowing for dynamic adjustment of voltage output and field angle modulation to maintain power generation even in the presence of faults.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multi-phase generator is designed as a rigid system, then the structure is simple, but the system lacks redundancy and fail-safe operation
Solution Approach 1:
The generator system is divided into multiple independent generator subsystems, each capable of operating autonomously. Each subsystem includes its own power generation circuit and control processor, allowing the system to segment functions and maintain operation even when individual subsystems fail, thereby providing redundancy and fail-safe operation.
Solution Approach 2:
The system transitions from a static, rigid structure to a dynamic, reconfigurable architecture. The distributed control allows subsystems to dynamically adjust their operation and the system can reconfigure phase outputs based on operational conditions, improving reliability without requiring excessive structural complexity.
2Adaptability or versatility
If a multi-phase generator uses static internal operation, then the control structure is simple, but the system is inflexible for dynamic power demands
Solution Approach 1:
The generator subsystems employ dynamic control where the phase output and voltage adjustment are continuously adaptable based on real-time operating conditions. The distributed multi-phase generator can dynamically reconfigure its phase outputs (e.g., switching between 12-phase, 6-phase, or other configurations) to meet varying power demands, providing flexibility without requiring overly complex control structures.
Solution Approach 2:
The system changes operational parameters such as phase configuration, voltage levels, and power distribution dynamically. The generator subsystems can adjust their output parameters based on load conditions, enabling adaptability to different power demands while maintaining manageable control complexity through standardized adjustment mechanisms.
3Reliability
If a twelve-phase generator is used, then the power output capacity is high, but the system lacks redundancy and must cease operation upon fault
Solution Approach 1:
The twelve-phase generator is segmented into multiple independent subsystems that can operate autonomously. If one subsystem fails, the others continue generating power, maintaining system productivity and reliability. This segmentation allows the high power output capability to be maintained through distributed operation rather than relying on a single centralized unit.
Solution Approach 2:
The distributed control system incorporates feedback mechanisms where each subsystem monitors its own operation and communicates with other subsystems. When a fault is detected, the feedback system enables automatic reconfiguration and load redistribution, ensuring continuous power generation and preventing complete system shutdown.
4Productivity
If generator subsystems operate independently without coordination, then the system is simple to control, but the overall efficiency and power distribution are suboptimal
Solution Approach 1:
Each generator subsystem is designed with universal capabilities to perform multiple functions: power generation, local control, communication, and adaptive operation. This multi-functionality allows independent subsystems to coordinate efficiently through standardized interfaces, improving overall system productivity without requiring complex specialized coordination mechanisms for each subsystem.
Data Source
AI summary
A distributed multi-phase generator includes a plurality of generator subsystems, with each generator subsystem including a respective processor and rotor. The plurality of generator subsystems is configured to generate a combined voltage output that is in one of a plurality of different phases. The plurality of generator subsystems are configured to communicate operating parameters to each other, and in some embodiments, can control another generator subsystem or compensate for changes in operation of another generator subsystem (including faults). As part of dynamic generator operation, each generator subsystem can adjust its field angle modulation scheme based on feedback received from other generator subsystems as well as its own operation.