HYB-V3 is a high-precision and high-performance three-phase AC voltage transmitter designed for modern industrial power systems in the B series of Heyi Electric. It converts the line voltage or phase voltage signals in three-phase four wire or three-phase three wire systems into standard DC analog signals with high fidelity and reliability. It is a key measuring component that ensures the safe, stable, and efficient operation of large-scale distribution systems, industrial automation control, and power monitoring systems.
As a professional industrial grade voltage sensing device, HYB-V3 adapts to harsh industrial environments with its excellent measurement performance. It accepts multiple standardized three-phase AC voltage inputs (such as 380V systems or customizable values), and provides measurement accuracy of up to 0.2/0.5 levels through precise rectification and linear processing technology. The core design of the product revolves around isolation, precision, and reliability: 1. High precision measurement and signal output: Advanced signal processing circuits are used internally to ensure linear and precise conversion from the AC high voltage side to the DC low voltage side. Provide diverse standard output options consistent with HYB-A3 (three-phase current transmitter) and HYB-V1 (single-phase voltage transmitter): 0~20mAdc, 4~20mAdc, 0~5VDC, or 0~10Vdc, making it easy to directly interface with various PLCs, DCS, and display instruments. 2. Comprehensive electrical isolation and safety design: Following the consistent high safety standards of products in the same series, HYB-V3 achieves complete isolation of four ports between input, output, auxiliary power supply, and metal casing. This design effectively cuts off the damage caused by common mode interference, transient overvoltage, and ground potential difference from the grid side to subsequent sensitive control systems, ensuring the purity of measurements and the safety of system operators. 3. Excellent environmental adaptability and protection capability: The shell adopts high-strength ABS flame retardant material consistent with the series of products, with a high protection level. Design to support standard 35mm DIN rail installation, suitable for compact layout of industrial cabinets. Capable of adapting to a wide range of working environments and operating stably on industrial sites. 4. Wide adaptability of working power supply and load: The auxiliary power supply is also compatible with AC/DC 80-270V wide range input, meeting the on-site applications of different power supply standards worldwide. At the same time, the product has strong overload tolerance and the ability to suppress harmonic interference, ensuring long-term stable operation in complex power quality environments. Based on the design concepts of HYB-A3 and HYB-V1 in historical data and the logic of the HYB-V series product line, this overview aims to provide a basic framework for the new HYB-V3 that meets the brand's technical characteristics and market demand.
Main Features
1. High precision and high reliability: The core adopts precision components and optimized signal conditioning technology, which can achieve an accuracy level of 0.2% or 0.5%, and has excellent temperature stability and long-term operational reliability. 2. Multi channel simultaneous precise measurement: Specially designed for simultaneous and independent measurement of three voltages in three-phase systems, it is the core equipment for evaluating key parameters such as three-phase voltage balance and system phase angle. 3. Multiple safety isolation barriers: Standard input/output/power/housing four port isolation structure, equipped with isolation withstand voltage up to AC2kV/min and insulation resistance greater than 100M Ω @ DC500V, providing strong safety protection and anti-interference ability. 4. Robust industrial design and convenient installation: Adopting a 35mm standard guide rail fixed installation design, the structure is compact and has excellent seismic and corrosion resistance. Quick installation through guide rails can significantly save on-site construction time. 5. Wide working conditions and power adaptability: Supports AC/DC 80V~270V wide range auxiliary power input, with strong adaptability. Its working temperature range is wide, ensuring stable operation in various industrial environments such as power plants, mines, and metallurgical workshops. 6. Professional front panel and signal output: The front panel is designed clearly, providing power status indicator lights and possible zero/full calibration holes. The output terminal design is scientific, which can effectively prevent short circuits and misconnections, and can support multiple voltage output types to meet the interface requirements of different control systems.
Application Scenarios
HYB-V3, based on its precise three-phase voltage measurement and high isolation design, can be widely used in complex scenarios with strict monitoring and protection requirements for power grids and industrial bus voltages, providing core data support for system automation control and energy management. 1. Medium and high voltage distribution and power grid monitoring system: Used in substations, switch stations, industrial distribution rooms, and power plants to accurately measure bus voltages such as 10kV, 35kV, or 110kV, providing critical voltage analog input signals for SCADA (Data Acquisition and Monitoring Control), DCS (Distributed Control System), or power quality analyzers. 2. Large scale industrial manufacturing and process control: applied to factory substations and key production lines in high energy consuming industries such as petroleum, chemical, steel, and cement, monitoring the secondary voltage of main transformers or the incoming voltage of important large capacity motors to ensure stable power supply and equipment safety for continuous production. 3. New energy power generation grid connection and operation and maintenance: In large centralized photovoltaic power stations, wind farms, and energy storage power stations, continuous monitoring of the three-phase voltage of the grid connection point (PCC) is necessary to grasp the amplitude and symmetry of the grid connection voltage in real time, which is a prerequisite for ensuring the safe operation of the power station, meeting grid standards, and performing power factor adjustment. 4. Key infrastructure power quality management: In places where power outages are not allowed, such as data centers, telecommunications centers, airports, and railway hubs, uninterrupted monitoring of the three-phase voltage of the low-voltage busbar in the distribution system is carried out, early identification of power quality disturbances such as voltage dips and surges, and linkage with UPS or switching devices to provide high-quality power guarantee. 5. Intelligent building and energy management system: In the power monitoring and energy management system of large commercial complexes, it is used to measure and analyze the three-phase power supply voltage of each distribution circuit, and cooperate with current sensors to achieve refined energy consumption analysis, load balancing calculation, and reactive power compensation control. 6. Equipment protection and relay protection: As a voltage sampling unit, it can be used as a front-end for large-scale motor comprehensive protection devices, intelligent relays, or microcomputer protection devices. By monitoring voltage loss, overvoltage, undervoltage, and imbalance, it provides fast and accurate voltage protection basis for the system to prevent equipment damage.
