I. Technical Background and Challenges​​Traditional electromagnetic current transformers (CTs) face bottlenecks such as large size, complex installation, poor linearity, and susceptibility to magnetic saturation. With the development of smart grids and digital substations, the demand for higher measurement accuracy, dynamic response, and data integration capabilities has increased. Electronic current transformers (ECTs), characterized by full digitalization, high bandwidth, and low power consump

​I. Pain Points & Challenges​Traditional electromagnetic current transformers (CTs) suffer from inherent limitations like magnetic saturation, narrow bandwidth, and large size, making it difficult to meet the smart grid's demands for high-precision and wide-dynamic-range measurement. Especially under large current surges or complex harmonic operating conditions, accuracy readily degrades, compromising the safety and economic operation of power systems.​II. Core Technological Breakthrough: Mu

​1. Core Solution Concept: Modular Platform with Shared Insulation​​Design:​​ Develop a unified, modular platform housing both current and voltage sensing functions within a single, optimized structure.​Insulation:​​ Utilize a shared insulating envelope. Two options are engineered:​SF6 Gas:​​ Proven high-dielectric strength and excellent arc-quenching properties for higher voltage classes (e.g., 72.5 kV and above). Design incorporates gas density monitoring and proven sealing technology.​Composi

Core Problem AddressedTraditional ITs represent critical single points of failure. Core malfunctions due to overload, thermal stress, or internal faults lead to inaccurate metering/protection signals or complete loss of data. Transient surges specifically challenge CITs due to combined voltage/current proximity. These vulnerabilities compromise grid stability and personnel safety.The Fortified CIT SolutionThis solution transcends basic combination by embedding layers of reliability and safety en

​Executive Summary:​​ Facing aging conventional Current Transformers (CTs) and Voltage Transformers (VTs) in Air-Insulated Substations (AIS)? Modernization can't mean rebuilding the substation. The CIT (Combined Instrument Transformer)​​ is engineered specifically as a robust, drop-in replacement for your legacy units. Preserving existing foundations and busbar connections, it delivers essential analog compatibility today while seamlessly enabling your phased digital future. Prioritizing ruggedn

​​Challenge:​​ Substations, especially aging facilities requiring retrofit (including Gas-Insulated Substations - GIS) or new installations in space-constrained urban environments, face significant pressure to minimize footprint and control costs. Traditional separate Current Transformers (CTs) and Voltage Transformers (VTs) contribute to space inefficiency, higher material/installation costs, and complex maintenance.​Our Solution:​​ Implement a purpose-designed, compact ​Plug-and-Play Combined

​We propose deploying state-of-the-art ​Combined Instrument Transformers (CITs)​​ with integrated ​condition monitoring sensors​ for critical parameters including temperature, gas density/pressure (where applicable), and partial discharge (PD). This instrumentation is embedded within the unit itself, providing direct, real-time insight into its operational health and the stresses it experiences.​Key Operational & Maintenance Advantages:​​​Real-Time Health Intelligence:​​ The CIT solution tra

​Adaptability to Humid and Hot Climates​o Problem: Perennially high temperatures and humidity in Southeast Asia (average annual temperature 28-35°C, humidity >80%) accelerate equipment aging.o Solutions:Replace porcelain bushings with silicone rubber composite bushings for UV & salt spray corrosion resistance.Fill interior with hydrophobic gel to block moisture intrusion paths (complies with IEC 60068 Damp Heat Test standards).IP68-rated enclosure + built-in humidity sensors (linked t

​​I. Solution Background​Facing the urgent demand for low-cost current sensing in industrial control, energy metering, and overcurrent protection applications, traditional electromagnetic current transformers (CTs) and Hall sensors present pain points such as high material costs (especially for >30A specifications) and complex manufacturing processes. This solution employs a four-terminal manganin shunt resistor + optimized signal chain design to achieve extreme cost control in high-volume ap

​Core Concept:​​ Eliminate the cumbersome installation and maintenance processes of traditional current transformers. Empower engineers to achieve rapid deployment, lossless upgrades, and worry-free maintenance without interrupting critical circuits.​Solution Core Design: Focused on Ease of Use & Long-Term Reliability​​Revolutionary Magnetic Circuit Split-Core Mechanism:​​​Multiple Secure Locking Options:​​ Features robust spring latches, tool-free screw locking, or quick-release clamps to m