{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853475","patent":{"patent_number":"US-9853475","title":"Thyristor-switched capacitor circuit with a thyristor-saving architecture","assignee":null,"inventors":[],"filing_date":"2015-10-06T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02J","H02J"],"num_claims":15,"abstract":"There are provided methods, devices, and systems relating to discharging thyristor-switched capacitors. For example, there is provided a method for discharging a first capacitor, a second capacitor, and a third capacitor. Each of the capacitors is coupled to respective phases of a transmission line. The first capacitor and the third capacitor are each coupled to their respective phase of the transmission line via a pair of anti-parallel thyristors, and the second capacitor is coupled directly to another phase of the transmission line with no thyristors therebetween. The method can include determining whether an angle of a voltage on the transmission line is within a threshold angle. Further, the method can include discharging the first, second, and third capacitors when the angle is within a threshold angle and the threshold angle is any value from a predetermined set of threshold angles."},"analysis":{"summary":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture patent (US-9853475) introduces a groundbreaking method and system for efficiently discharging capacitors within a three-phase transmission line, specifically designed to reduce the number of costly thyristor components. This core innovation targets the perennial challenge of reactive power compensation in electrical grids, aiming to lower capital expenditure and operational complexity while maintaining or improving grid stability.\n\nThe problem this patent addresses is the high cost and intricate control associated with traditional thyristor-switched capacitor banks. Conventional designs often require multiple thyristors per phase, leading to significant material costs, increased system footprint, and more complex control schemes for Static Var Compensators (SVCs).\n\nThe key technical approach of this invention involves a unique capacitor bank configuration and an intelligent discharge mechanism. It describes a system where three capacitors are coupled to respective transmission line phases. Crucially, while two capacitors are connected via conventional anti-parallel thyristor pairs, the third capacitor is coupled directly to its phase, without any thyristors. The system then determines if the voltage angle on the transmission line falls within a predetermined threshold. Upon meeting this condition, all three capacitors are simultaneously discharged. This precise, angle-based control, combined with the 'thyristor-saving' architecture, allows for effective reactive power management with optimized component usage.\n\nThe business value and applications are substantial. This technology offers significant cost savings for utility companies and grid operators by reducing the number of expensive thyristors. It also promises enhanced system reliability due to fewer active components and simplified maintenance. The innovation is directly applicable to reactive power compensation, voltage regulation, and power factor correction in large-scale transmission and distribution networks, making advanced grid solutions more economically viable.\n\nThe market opportunity for this technology is vast, encompassing global power infrastructure upgrades, smart grid initiatives, and the increasing demand for efficient energy management solutions. As grids become more complex with renewable energy integration, technologies like this patent that offer both performance and cost-efficiency will be in high demand.","layman_explanation":"In the world of electricity, maintaining a steady and reliable power supply is crucial. Think of it like managing water pressure in a vast city pipeline system. If the pressure drops too low, water won't reach the top floors; if it's too high, pipes might burst. In electricity, this 'pressure' is called voltage, and keeping it stable requires careful management of something called 'reactive power'.\n\n**1. What Problem Does This Solve?**\nOur electrical grids often use large banks of capacitors to help manage this reactive power, essentially acting like sponges that absorb or release electrical energy to stabilize voltage. To precisely control when these 'sponges' connect or disconnect from the grid, we use special high-speed electronic switches called thyristors. While incredibly effective, thyristors are sophisticated semiconductor devices, making them quite expensive and adding significant complexity to the system. For large utility companies, deploying these systems across vast networks means substantial capital outlay and ongoing maintenance challenges. The core problem this patent, the Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture, addresses is this high cost and complexity associated with traditional thyristor-based reactive power compensation.\n\n**2. How Does It Work?**\nThis innovation takes a clever approach to reduce the number of these expensive thyristor switches. Imagine a three-phase electrical system, like three separate but synchronized pipelines. In a traditional setup, each of these three pipelines would have its own set of thyristor switches to control its capacitor bank. This patent proposes a 'thyristor-saving' architecture: it still uses thyristor switches for two of the three capacitor banks, but for the third capacitor bank, it simply connects it directly to its pipeline, without any switches. \n\nNow, how do they control it all? The system constantly monitors the 'flow' or 'angle' of the electricity in the main transmission line. When this angle hits a very specific, predetermined sweet spot – a 'threshold angle' – the system precisely triggers the discharge of *all three* capacitor banks simultaneously. Even though one is directly connected, the timing is so precise that they all work in concert. This is like a conductor timing the entire orchestra perfectly, even if one instrument is always 'on' but only contributes meaningfully at the right moment.\n\n**3. Why Does This Matter?**\nThis matters significantly for several business reasons. Firstly, the most obvious benefit is **cost reduction**. By eliminating a portion of the expensive thyristor components, utility companies can save millions of dollars on equipment procurement and installation for reactive power compensation systems. Secondly, **simplified design and maintenance** lead to operational efficiencies; fewer complex components mean less to go wrong and easier troubleshooting. This translates to higher system reliability and lower operational expenditures. Thirdly, it enables **broader adoption** of advanced grid stabilization technologies. More affordable solutions mean that even regions with tighter budgets can implement robust reactive power management, leading to more stable and reliable power grids globally. This patent essentially offers a way to achieve high-performance grid stability with a lower total cost of ownership.\n\n**4. What's Next?**\nThis technology is poised to influence the next generation of grid infrastructure development. It could become a standard for new reactive power compensation deployments, particularly as grids modernize and integrate more variable renewable energy sources that demand dynamic voltage control. Companies that adopt or license this Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture could gain a significant competitive edge, offering more economically attractive and reliable solutions to utility providers. Investors might see this as a foundational patent that underpins future advancements in smart grid technology, promising long-term returns through widespread adoption.","technical_analysis":"The patent titled \"Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture\" (US-9853475) presents a sophisticated approach to reactive power compensation within three-phase electrical transmission lines. This innovation primarily focuses on optimizing the design and control of capacitor banks to reduce the reliance on costly thyristor switching elements, a common challenge in power electronics applications such as Static Var Compensators (SVCs).\n\n**Technical Architecture and Circuit Configuration:**\nThe core of this invention lies in its unique three-phase capacitor bank configuration. The patent describes a system comprising a first, a second, and a third capacitor, each coupled to respective phases of a transmission line. The critical architectural distinction is as follows:\n1.  **First Capacitor:** Coupled to its phase via a pair of anti-parallel thyristors.\n2.  **Third Capacitor:** Also coupled to its phase via a pair of anti-parallel thyristors.\n3.  **Second Capacitor:** This is the 'thyristor-saving' element. It is coupled *directly* to its phase of the transmission line, with no thyristors interposed. This direct coupling significantly reduces the overall thyristor count for a three-phase system, leading to inherent cost and complexity benefits.\n\nThis asymmetrical design, where only two out of three phases are actively switched by thyristors, is a departure from conventional symmetrical designs where all phases utilize dedicated switching devices. The effectiveness of this configuration hinges on the synchronized operation facilitated by the control algorithm.\n\n**Algorithm Specifics and Control Logic:**\nThe operational intelligence of this system resides in its method for determining when to discharge the capacitors. The method includes:\n1.  **Voltage Angle Determination:** Continuously monitoring the voltage on the transmission line to determine its instantaneous angle. This is a common practice in power electronics for synchronized switching and control.\n2.  **Threshold Angle Comparison:** Comparing the determined voltage angle against a 'threshold angle'. Crucially, this threshold angle is not a single fixed value but can be any value from a 'predetermined set of threshold angles'. This implies a flexible control strategy, allowing the system to adapt to varying grid conditions, optimize for different reactive power requirements, or respond to specific transient events.\n3.  **Synchronized Discharge:** When the determined voltage angle falls within the specified threshold, all three capacitors (the first, second, and third) are discharged simultaneously. The synchronization of discharge across all three phases, even with one phase directly coupled, is a key technical achievement. This suggests that the timing of the thyristor-switched phases is precisely coordinated with the inherent phase rotation and voltage characteristics of the directly coupled phase to achieve a controlled, collective discharge.\n\n**Implementation Details and Performance Characteristics:**\nImplementing this patent would involve a robust control unit capable of high-speed voltage angle measurement and precise thyristor gate signal generation. The 'predetermined set of threshold angles' would likely be stored in a lookup table or calculated dynamically based on real-time grid parameters (e.g., load conditions, fault detection, desired power factor). The direct coupling of the second capacitor simplifies its immediate circuitry but places higher demands on the overall control logic to ensure its discharge is harmonized with the switched phases.\n\nPerformance-wise, the reduction in thyristors implies lower conduction losses associated with the switching devices, potentially improving overall system efficiency. Fewer components also inherently lead to higher mean time between failures (MTBF), enhancing system reliability. The precise, angle-based discharge minimizes switching transients, which are a major source of harmonics and stress on electrical equipment, thereby improving power quality and equipment longevity.\n\n**Integration Patterns and Code-Level Implications:**\nIntegration into existing grid infrastructure would involve connecting the capacitor bank to appropriate phases of the transmission line, with the control unit interfacing with grid sensors for voltage measurement. The output of the control unit would drive the gate circuits of the anti-parallel thyristors. From a software perspective, the core of the innovation would be in the firmware/software of the control unit. This would involve:\n*   Real-time operating system (RTOS) for deterministic control.\n*   Digital Signal Processing (DSP) algorithms for fast and accurate voltage angle estimation (e.g., using Phase-Locked Loops - PLLs).\n*   Finite State Machine (FSM) or similar logic to implement the threshold angle comparison and trigger the discharge sequence.\n*   Protection algorithms to ensure safe operation during faults or abnormal grid conditions.\n\nThis Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture represents a significant advancement in power electronics, offering a pathway to more cost-effective, reliable, and efficient reactive power compensation systems for the evolving smart grid.","business_analysis":"The patent for a Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture (US-9853475) presents a compelling business proposition within the power electronics and grid infrastructure sectors. Its core innovation—reducing the number of thyristors required for capacitor bank discharge—directly addresses critical industry pain points: high capital expenditure, operational complexity, and the demand for enhanced grid stability.\n\n**Market Opportunity Size:**\nThe global market for reactive power compensation, including Static Var Compensators (SVCs) and Static Synchronous Compensators (STATCOMs), is substantial and growing. Driven by increasing electricity demand, the integration of intermittent renewable energy sources, and the need to upgrade aging grid infrastructure, this market is projected to reach billions of dollars annually. This technology directly targets a significant portion of this market, particularly for applications where cost-effectiveness and reliability are paramount. Developing and emerging economies, in particular, stand to benefit from more affordable grid stabilization solutions.\n\n**Competitive Advantages:**\nThis innovation offers several distinct competitive advantages:\n1.  **Cost Reduction:** The primary advantage is the reduction in the number of expensive high-power thyristors. This translates to lower manufacturing costs for equipment manufacturers and lower procurement costs for utility companies. This cost-saving can be a significant differentiator in competitive bidding processes.\n2.  **Simplified Design & Maintenance:** Fewer thyristors mean a simpler overall circuit design, potentially reducing the physical footprint of reactive power compensation units. This also leads to easier installation, less complex troubleshooting, and lower maintenance costs over the lifespan of the equipment.\n3.  **Enhanced Reliability:** With fewer active components, the system inherently has fewer points of failure, leading to increased reliability and availability of grid assets. This is a critical factor for utility companies whose primary mandate is uninterrupted power supply.\n4.  **Optimized Performance:** The precise, angle-based discharge mechanism ensures controlled operation, minimizing transients and harmonics, which contributes to better power quality and longer equipment life for other grid components.\n\n**Revenue Potential and Business Models:**\nCompanies leveraging this patent could generate revenue through:\n*   **Licensing:** Licensing the patented technology to existing power electronics manufacturers (e.g., Siemens Energy, ABB, GE Grid Solutions) for integration into their SVC or STATCOM product lines.\n*   **Product Development:** Developing and manufacturing proprietary reactive power compensation units that incorporate this 'thyristor-saving' architecture, offering them as a cost-effective alternative to conventional systems.\n*   **Consulting & Integration Services:** Providing expertise in designing and integrating these advanced capacitor discharge systems into new or existing grid infrastructure projects.\n\nThe cost-saving aspect makes these solutions particularly attractive, potentially expanding the market by making advanced reactive power compensation accessible to a broader range of utilities and industrial consumers.\n\n**Strategic Positioning:**\nThis patent allows companies to strategically position themselves as innovators in grid modernization and cost-effective power electronics. It offers a differentiator in a market often characterized by incremental improvements. For utilities, it provides a tool to meet regulatory requirements for grid stability and power quality more economically. For investors, it represents an opportunity in a foundational technology with clear, quantifiable benefits in a growing global market.\n\n**ROI Projections:**\nWhile specific ROI will depend on market penetration and adoption rates, the direct cost savings from reduced thyristor usage alone can be substantial. For a large-scale SVC deployment, cutting thyristor costs by even a fraction can save millions of dollars. When combined with reduced maintenance, improved reliability (avoiding costly outages), and enhanced power quality (preventing damage to sensitive equipment), the long-term ROI for adopting this technology is highly favorable. This patent provides a clear pathway to achieving superior performance in grid management with a lower total cost of ownership.","faqs":[{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture is a patented innovation (US-9853475) in power electronics designed to efficiently manage reactive power in electrical transmission lines. It describes a method and system for discharging capacitors connected to a three-phase grid, but with a critical difference from traditional designs.\n\nIts core feature is an asymmetrical circuit configuration: while two of the three capacitor banks are controlled by conventional anti-parallel thyristor pairs, the third capacitor is directly connected to its phase without any thyristors. This strategic omission of thyristors on one phase is what gives the invention its 'thyristor-saving' name.\n\nThe system then precisely determines if the voltage angle on the transmission line is within a predetermined threshold. When this condition is met, all three capacitors are simultaneously discharged. This intelligent, angle-based control allows for effective reactive power management while significantly reducing the number of expensive thyristor components required.\n\nIn essence, this technology provides a more cost-effective and potentially more reliable way to maintain voltage stability and power quality in electricity grids by optimizing the use of switching components.","question":"What is Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture operates on a clever principle of hybrid switching and precise voltage angle control. First, it uses a unique circuit setup: for a three-phase system, two capacitors are connected to their respective phases via pairs of anti-parallel thyristors, but the third capacitor is directly connected to another phase without any thyristor switches.\n\nSecondly, the system continuously monitors the instantaneous angle of the voltage on the transmission line. This real-time voltage angle information is crucial for its control logic. The method then checks if this measured voltage angle falls within a 'threshold angle', which can be a value from a predetermined set of angles, allowing for flexibility.\n\nFinally, when the voltage angle meets the specified threshold condition, the system triggers the simultaneous discharge of all three capacitors – both the thyristor-switched ones and the directly connected one. This synchronized action ensures that reactive power is managed effectively and transients are minimized, despite the asymmetrical component arrangement. The intelligence lies in timing the discharge of the thyristor-switched phases to harmonize with the naturally occurring voltage and current on the directly connected phase.","question":"How does Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture work?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture primarily solves the problem of high cost and complexity associated with traditional reactive power compensation systems in electrical grids. Conventional designs for Thyristor-Switched Capacitors (TSCs) typically require multiple expensive high-power thyristor semiconductor devices for each phase of a capacitor bank.\n\nThese thyristors, while effective for precise control, contribute significantly to the overall capital expenditure, manufacturing complexity, physical footprint, and maintenance requirements of Static Var Compensators (SVCs) and similar equipment. This cost barrier can hinder the widespread deployment of advanced grid stabilization technologies, especially in regions with budget constraints.\n\nBy introducing a 'thyristor-saving' architecture that reduces the number of these costly components, this patent offers a more economically viable and streamlined solution for maintaining voltage stability, improving power quality, and enhancing the overall efficiency and reliability of electrical transmission and distribution networks.","question":"What problem does Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture solve?"},{"answer":"The patent for the Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture (US-9853475) does not explicitly list the inventors or assignee in the provided abstract. Patent records, however, typically attribute inventions to specific individuals and assign them to a company or organization that funded the research and development, or to which the inventors have assigned their rights.\n\nTo identify the specific inventors and the assignee, one would need to consult the full patent document available through official patent databases like the USPTO (United States Patent and Trademark Office) or Google Patents. These records provide comprehensive details on the patent's origin, including the names of the individuals who conceived the invention and the entity that holds the legal rights to the technology.\n\nUnderstanding the origins of such innovations is crucial for tracing the lineage of technological advancement and recognizing the contributions of key researchers and companies in the field of power electronics.","question":"Who invented Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture offers several key benefits that address critical needs in power grid management:\n\n1.  **Cost Reduction:** The most significant advantage is the direct reduction in the number of expensive high-power thyristors required for a three-phase capacitor bank. This leads to lower manufacturing costs for equipment and reduced capital expenditure for utility companies.\n2.  **Enhanced Reliability:** Fewer active semiconductor components inherently mean a simpler system with fewer potential points of failure, contributing to higher Mean Time Between Failures (MTBF) and improved grid uptime.\n3.  **Simplified Design and Maintenance:** A streamlined circuit architecture reduces complexity in design, manufacturing, installation, and ongoing maintenance, leading to operational efficiencies and lower long-term costs.\n4.  **Optimized Performance:** The precise, voltage angle-based discharge mechanism ensures controlled, transient-free switching, which improves power quality, minimizes stress on other grid equipment, and extends the lifespan of components.\n5.  **Accelerated Grid Modernization:** By making advanced reactive power compensation more affordable and reliable, this technology facilitates the upgrade of aging grid infrastructure and the seamless integration of new energy sources like renewables.","question":"What are the key benefits of Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture differentiates itself from prior art in reactive power compensation primarily through its unique circuit configuration and control strategy. In conventional Thyristor-Switched Capacitors (TSCs), the prior art typically dictates that each phase of a three-phase capacitor bank is independently switched by its own pair of anti-parallel thyristors.\n\nThis patent, however, introduces an asymmetrical design: while two of the three capacitor phases are still controlled by thyristors, the third capacitor phase is directly connected to the transmission line without any thyristors. This strategic omission of thyristors on one phase is the fundamental departure from prior art, leading directly to the 'thyristor-saving' aspect.\n\nFurthermore, the control method in this innovation involves determining if the voltage angle on the transmission line is within a specific threshold to trigger the simultaneous discharge of *all three* capacitors. While prior art also uses synchronized switching (often at zero-voltage crossing), the ability to effectively control and discharge a directly connected phase in harmony with thyristor-switched phases at a specific voltage angle represents a novel control approach that optimizes component usage without compromising performance.","question":"How is Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture different from prior art?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture is poised to significantly impact several key industries, primarily those involved in power generation, transmission, and distribution:\n\n1.  **Utilities and Grid Operators:** These are the primary beneficiaries, as the technology offers a more cost-effective and reliable solution for maintaining grid stability, managing reactive power, and upgrading aging infrastructure. It will help them meet increasing electricity demands and integrate renewable energy sources more efficiently.\n2.  **Power Electronics Manufacturers:** Companies that design and produce Static Var Compensators (SVCs), Thyristor-Switched Capacitors (TSCs), and other reactive power compensation equipment will find this patent a valuable asset. It allows them to develop more competitive, cost-optimized products.\n3.  **Renewable Energy Sector:** As solar and wind power generation grow, dynamic grid stabilization becomes crucial. This innovation provides a more affordable way to integrate these intermittent sources, making the transition to green energy smoother and more economical.\n4.  **Industrial Sector:** Large industrial facilities often require significant reactive power compensation to maintain power quality and avoid penalties. This technology can offer them more efficient and reliable solutions.\n\nUltimately, any industry reliant on stable and efficient electricity supply will indirectly benefit from the advancements brought by this patent.","question":"What industries will Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture impact?"},{"answer":"The patent for the Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture (US-9853475) has a clear timeline regarding its filing and publication dates.\n\n*   **Filing Date:** The patent application was originally filed on **2015-10-06** (October 6, 2015).\n*   **Publication Date:** The patent was subsequently published, or granted, on **2017-12-26** (December 26, 2017).\n\nThis timeline indicates a period of approximately two years and two months between the initial filing of the patent application and its official publication/grant. This duration is typical for patent examination processes in the United States, reflecting the time taken for review, potential amendments, and legal approval by the patent office. These dates are crucial for understanding the patent's legal standing and its position within the landscape of power electronics innovation.","question":"When was Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture filed/granted?"},{"answer":"The Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture has significant commercial applications across various facets of electrical power systems, primarily in areas requiring efficient reactive power management:\n\n1.  **Static Var Compensators (SVCs):** This is a primary application. The patent's architecture can be integrated into new SVC designs, offering a more cost-effective and reliable solution for dynamic voltage support and power factor correction in large transmission substations and industrial plants.\n2.  **Power Factor Correction (PFC) Systems:** For industrial loads that consume significant reactive power, leading to poor power factor, this technology can be used in advanced PFC equipment to improve efficiency and avoid utility penalties.\n3.  **Grid Modernization and Expansion Projects:** Utilities can deploy systems utilizing this patent in their efforts to upgrade aging infrastructure, expand grid capacity, and enhance overall stability, especially in response to increasing electricity demand and the need for more resilient grids.\n4.  **Renewable Energy Integration:** The technology is crucial for stabilizing grids that integrate intermittent renewable energy sources (e.g., solar farms, wind farms), providing the necessary dynamic reactive power support to counteract voltage fluctuations.\n5.  **Flexible AC Transmission Systems (FACTS) Devices:** As a component within a broader FACTS framework, this innovation can contribute to more advanced and economical control over power flow and voltage profiles in AC transmission networks.","question":"What are the commercial applications of Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture?"},{"answer":"Future developments stemming from the Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture are likely to focus on expanding its applications, enhancing its intelligence, and integrating it into broader smart grid ecosystems:\n\n1.  **Adaptive Control Algorithms:** Expect advancements in the 'predetermined set of threshold angles' to become more dynamic and adaptive, potentially leveraging machine learning to optimize discharge timing based on real-time grid conditions, load forecasts, and fault predictions.\n2.  **Integration into Hybrid FACTS Devices:** The 'thyristor-saving' principle could be extended to more complex Flexible AC Transmission Systems (FACTS) devices, combining its benefits with other power electronic converters to offer even more comprehensive and cost-effective grid control.\n3.  **Modular and Scalable Designs:** Future products might emphasize modularity, allowing utilities to easily scale reactive power compensation solutions to meet evolving grid demands, from small distribution-level applications to large transmission-level installations.\n4.  **Enhanced Fault Ride-Through Capabilities:** Research could focus on how this architecture contributes to the system's ability to maintain stability during transient faults, potentially improving grid resilience during disturbances.\n5.  **Standardization and Widespread Adoption:** As the technology matures and its benefits are proven in real-world deployments, it could become a new industry standard for certain types of reactive power compensation, driving widespread adoption and further innovation in related fields.","question":"What are the future developments expected for Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture?"}],"topics":["Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture","thyristor-saving architecture","patent US-9853475","reactive power compensation","power grid stability","quest","optimized","power"],"tech_cluster":null},"seo":{"title":"Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture - Patent US-9853475","description":"Discover the Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture (US-9853475) for cost-effective grid stability. Reduces thyristor count, enhances reactive power control. Full patent analysis.","keywords":["Thyristor-switched Capacitor Circuit with a Thyristor-saving Architecture","thyristor-saving architecture","patent US-9853475","reactive power compensation","power grid stability","capacitor discharge circuit","power electronics innovation","grid efficiency","cost reduction","voltage angle control","transmission line technology","smart grid patent","electrical engineering","static var compensator"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853475","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853475","citation_suggestion":"Patentable. \"Thyristor-switched capacitor circuit with a thyristor-saving architecture\" (US-9853475). https://patentable.app/patents/US-9853475","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853475","json":"https://patentable.app/api/llm-context/US-9853475","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:35:14.761Z"}