CT Current Transformer Power Supply Passive Power Temperature Sensor Module (Development-Free) | Core Application Fields
This module is a CT power supply passive temperature measurement solution dedicated to the power industry, corely adopting current transformer (CT) power supply technology to harvest energy directly from power lines. It features full-process passive power-free operation, wiring-free installation and battery maintenance-free performance. Equipped with development-free firmware, it has built-in standardized temperature measurement and wireless transmission protocols, ready to use out of the box without secondary R&D and debugging. Adapted to various high/medium-voltage equipment in power systems, it integrates industrial-grade characteristics including Sub-1GHz strong anti-interference, -40~85℃ industrial wide temperature range and high-voltage isolation design. It perfectly addresses the core pain points of no power supply, difficult wiring, weak R&D capability and the need for batch rapid deployment in power temperature measurement scenarios. As a cost-effective choice for preventive temperature monitoring of high-voltage equipment in power systems, new energy stations, industrial high-voltage power distribution and other fields, it is characterized by power industry specialization, development-free & rapid deployment, and passive high reliability.
I. Power Systems: Temperature Measurement of High-Voltage Core Equipment (Core Scenario) ⚡
As the core applicable field of the CT power supply passive solution, it accurately matches the line current characteristics of high-voltage grid equipment. CT power supply harvests energy with the current and enables development-free rapid networking, perfectly meeting the demands of power supply bureaus and substation operation and maintenance teams for no professional R&D capability and batch rapid deployment, covering core high-voltage equipment such as substations and switching stations:
- High-voltage switchgear/ring main units: Mounted on the movable & fixed contacts, high-voltage busbars and wiring terminals of 10kV/35kV cabinets, CT power supply adapts to the line current inside the cabinet, directly connecting to the power temperature measurement host without development, and realizing real-time monitoring of overheating faults.
- Distribution transformers: Installed at the high-voltage incoming line ends, bushing joints and tap changers of transformers, harvesting energy from transformer line current via CT power supply, and integrating into the transformer monitoring system rapidly without development, no additional wiring and debugging required.
- High-voltage cable joints: Adapted to 10kV/35kV high-voltage cable terminations, intermediate joints and branch boxes, CT power supply matches the cable line current, enabling batch deployment without development, and solving the problems of no power supply and difficult maintenance for temperature measurement of underground/outdoor cable joints.
- GIS combined electrical apparatus: Monitors the temperature of wiring terminals and circuit breaker contacts of GIS equipment, CT power supply adapts to the internal lines of the equipment, passive design is suitable for the closed high-voltage environment of GIS, and development-free design reduces integration difficulty.
II. Distribution Network/Rural Power Grid: Temperature Measurement of Outdoor Decentralized Power Distribution Equipment 🌾
Aiming at the characteristics of outdoor deployment, multi-point decentralization, limited R&D capability of operation and maintenance teams and no fixed power supply in distribution networks and rural power grids, the module's CT power supply adapts to the small current of outdoor lines, and the development-free firmware supports standardized networking, enabling rapid batch deployment and greatly reducing the implementation and operation costs of the distribution network temperature measurement system:
- Pole-mounted switches/vacuum circuit breakers: Installed on the contacts and wiring terminals of outdoor pole-mounted switches, CT power supply harvests energy from overhead lines, directly connecting to distribution network temperature measurement terminals without development, suitable for high-altitude, power-free and unattended scenarios.
- Rural power grid distribution nodes: Adapted to distribution transformers, outdoor branch boxes and low-voltage integrated distribution boxes in rural power grid stations, CT power supply is suitable for the low-current working conditions of rural power grid lines, enabling batch installation without development, and solving the problems of difficult deployment and high maintenance costs of rural power grid temperature measurement.
- Distribution network ring main units/compact substations: For outdoor decentralized ring main units and compact substations, CT power supply harvests energy with the cabinet, enabling rapid construction of temperature measurement networks without development, adapting to the batch temperature measurement demand of distribution network automation upgrading.
III. Industrial Field: Temperature Measurement of High-Voltage Power Distribution Equipment 🏭
Adapted to industrial high-voltage power distribution equipment in heavy industry scenarios such as metallurgy, chemical industry and mining, which combine the characteristics of power high voltage and enterprises without professional IoT R&D teams. The module's CT power supply adapts to industrial high-voltage lines, ready to use out of the box without development, and no R&D cost input for enterprises is required:
- Industrial high-voltage distribution cabinets: 10kV/35kV high-voltage distribution cabinets in metallurgy, cement and mining enterprises, mounted on internal contacts and busbars, CT power supply harvests energy from industrial power distribution lines, directly connecting to the enterprise's existing monitoring system without development.
- Explosion-proof high-voltage power distribution equipment: Explosion-proof high-voltage cabinets and explosion-proof branch boxes in petrochemical and oil & gas industries, passive and wiring-free design meets the safety requirements of explosion-proof scenarios, CT power supply adapts to the lines inside explosion-proof cabinets, enabling rapid deployment without development.
- Underground high-voltage equipment in mines: High-voltage power distribution switches and cable joints in coal and metal mines, CT power supply adapts to the underground line current, development-free firmware resists complex electromagnetic interference underground, realizing power-free temperature measurement.
IV. New Energy Stations: Temperature Measurement of High-Voltage Power Distribution Equipment 🔋
Aligning with the characteristics of improved high-voltage power distribution links, stable line current and the need for rapid networking temperature measurement in new energy stations such as photovoltaic, wind power and energy storage. CT power supply harvests energy from the high-voltage lines of the stations, and the development-free firmware is compatible with the intelligent monitoring platform of the stations, no separate R&D of docking protocols is required, adapting to the large-scale and standardized deployment demand of the stations:
- Photovoltaic/wind power stations: Installed at the 35kV high-voltage cabinets, high-voltage ends of compact substations and incoming line joints of combiner boxes in the stations, CT power supply adapts to the station power distribution lines, enabling batch networking without development, realizing full-domain temperature measurement of high-voltage power distribution links.
- Energy storage power stations: Mounted on the high-voltage cabinets, busbars and circuit breaker contacts of energy storage cabins, CT power supply adapts to the current of energy storage power distribution lines, passive design avoids potential safety hazards of power supply deployment in energy storage cabins, and rapidly integrates into the energy storage BMS without development.
- New energy charging stations: Adapted to the high-voltage distribution cabinets and high-voltage incoming line ends of charging piles in charging stations, CT power supply harvests energy from charging lines, directly connecting to the charging station monitoring platform without development, monitoring the overheating risk of high-voltage components.
V. Rail Transit: Temperature Measurement of High-Voltage Equipment in Power Systems 🚇
Adapted to the characteristics of power equipment for traction power supply and high-voltage power distribution in rail transit such as subway, urban rail and high-speed rail. CT power supply harvests energy from rail transit high-voltage lines, passive power-free design is suitable for the high-voltage closed environment of rail power supply equipment, and development-free firmware reduces the R&D cost of rail transit intelligent integration:
- Traction substations: Monitor the temperature of contacts, busbars and transformer incoming line ends of high-voltage cabinets in substations, CT power supply adapts to the large current of traction lines, directly connecting to the rail power supply monitoring system rapidly without development.
- High-voltage switchgear in subway sections: Installed on the high-voltage distribution cabinets in subway tunnels and platforms, CT power supply harvests energy with the cabinet, passive design is suitable for the closed tunnel environment, and no additional R&D by the rail operation and maintenance team is required due to the development-free feature.
- Power distribution equipment along high-speed rail lines: Adapted to compact substations and pole-mounted switches along high-speed rail lines, CT power supply adapts to the power distribution lines along the lines, enabling batch deployment without development, realizing unattended temperature measurement of power distribution equipment along high-speed rail lines.
VI. Large Parks/Industrial and Mining Enterprises: Internal High-Voltage Power Distribution Temperature Measurement 🏙️
Adapted to the internal high-voltage power distribution network of industrial parks, chemical parks and large industrial and mining enterprises. Such scenarios require full-domain temperature measurement of high-voltage cabinets and compact substations in the park, but lack professional IoT R&D teams. The module's CT power supply adapts to the park high-voltage lines, ready to use out of the box without development, and the park power distribution temperature measurement system can be built quickly:
- Park switching stations/compact substations: Monitor the core temperature measurement nodes of high-voltage cabinets and outdoor compact substations in park switching stations, CT power supply harvests energy with the current, enabling batch networking without development, realizing integrated park power distribution temperature measurement.
- Enterprise-owned substations: Adapted to the high-voltage equipment of enterprise-owned substations in large enterprises, CT power supply harvests energy from substation lines, directly connecting to the enterprise's internal energy monitoring platform without development, no additional R&D for docking is required.
Core Application Value Summary
The core value of this module lies in accurately matching the three core pain points of power temperature measurement scenarios: CT power supply technology harvests energy from power lines itself, fundamentally solving the problems of no power supply and difficult wiring for high-voltage equipment, and passive design eliminating potential safety hazards of power supply deployment; development-free firmware with built-in standardized protocols is ready to use out of the box without secondary R&D, greatly reducing the R&D and deployment costs of power supply bureaus, enterprises and operation and maintenance teams, and adapting to the rapid batch networking of teams without professional R&D capabilities; as a power industry dedicated solution, it is equipped with high-voltage isolation, industrial-grade anti-interference and wide temperature adaptation characteristics, perfectly fitting the high-voltage, closed and unattended operating environment of power equipment.
Compared with ordinary passive temperature measurement modules, this module is more in line with the actual operation and maintenance needs of power systems, and is the preferred solution for temperature monitoring of high-voltage equipment in power systems, new energy stations, industrial high-voltage power distribution and other fields to realize the operation and maintenance upgrade from "passive emergency repair" to "active prevention".
