HYB-W3 is one of the core products in the B series of Heyi Electric, aimed at modern industrial energy efficiency management and power system monitoring. It is a multifunctional and high-precision three-phase active power transmitter that can real-time collect, calculate, and convert active power signals in three-phase systems, converting them into standardized DC current/voltage signals for output. It is a key measurement unit for building smart grids, achieving energy metering, and automatic control. This product integrates the mature technology of Heyi Electric in the field of current and voltage transmitters (HYB-A/V series), specifically developed for precise power monitoring needs.
The HYB-W3 three-phase active power transmitter adopts advanced digital measurement and calculation technology, and achieves instantaneous and accurate measurement of total active power in three-phase four wire or three-phase three wire systems by simultaneously connecting three voltage and three current signals (corresponding to the three-phase voltage transmitter and current transmitter). It perfectly combines complex AC power calculations with standard analog signal outputs, providing users with a plug and play power monitoring solution. The product adheres to the B-series industrial grade design concept: 1. Multi channel input and high precision: The system voltage and current signals are connected through external voltage/current transformers (CT/PT), and a precision signal conditioning and calculation unit is integrated internally. The measurement accuracy is as high as 0.5% or higher, which can truly reflect the active power changes of the system. 2. Stable standard signal output: The calculated active power value is converted into various industrial standard output signals, such as 0/4~20mA or 0~5/10V DC, which can be directly connected to PLC, DCS, SCADA, power meters or data recording systems, greatly facilitating system integration. 3. Inheritance of core advantages: Inherited from the excellent design of HYB series products such as HYB-V3 and HYB-A3, it has four port isolation for input, output, power supply, and housing, effectively suppressing high voltage loop interference. Supports AC/DC 80~270V wide range auxiliary power supply, which can work stably in various complex industrial sites. Adopting flame-retardant ABS shell and 35mm DIN rail installation design, the structure is compact and easy to install. 4. High dynamic range and safety: It has excellent anti surge and transient voltage capabilities, usually allowing continuous overload of 1.2 times, and can operate stably in environments with severe load fluctuations in three-phase systems, ensuring the continuity and reliability of power grid safety monitoring.
Main Features
1. High precision real-time power measurement: Directly output the comprehensive active power value of the three-phase system, simplifying the complex process of independently collecting current and voltage signals and calculating power through external devices in traditional systems. The measurement accuracy can reach 0.5% FS or above, and the linearity is excellent. 2. Multi functionality and high integration: Integrating three-phase voltage sampling, current sampling, and power calculation units into one, with rich functions, providing basic data for users' energy consumption monitoring, load management, and relay protection. 3. Excellent isolation and anti-interference performance: Provides electrical isolation for input, output, and power supply ports, with insulation strength typically not lower than AC 2kV/min, which can completely eliminate measurement errors and system damage risks caused by high common mode voltage and ground loops on site. 4. Excellent environmental adaptability and mechanical design: The working temperature range is wide (usually operating at 0-50 ℃ and stored at -20~70 ℃), and it can work stably for a long time in various harsh industrial environments. Adopting standard 35mm DIN rail installation, the structure is compact, easy to install, and saves control cabinet space. Low power design (usually<3W), green and energy-saving. 5. Powerful electrical characteristics: Wide range power supply (AC/DC 80~270V), suitable for various on-site power supply conditions worldwide. Wide input range support, can adapt to various system voltage and current levels from low to medium voltage through external CT/PT with different transformation ratios. 6. Industry standard signal interface: Analog output compatible with mainstream industrial automation signal standards such as 4-20mA (most commonly used) or 0-10V/0-5V, making it easy to interconnect with various control devices. 7. Front panel settings: Provide clear power indicator lights and possible zero (ZERO) and full (SPAN) adjustment potentiometers (recommended to be calibrated by professionals based on actual power).
Application Scenarios
The HYB-W3 three-phase active power transmitter, with its precise active power measurement, stable signal transmission, and strong environmental adaptability, has become a key sensing component for energy management and power system automation control, and is widely used in various industrial fields that require monitoring of actual power consumption. 1. Industrial power monitoring and energy management (EMS): Monitor the total three-phase active load of distribution transformers, distribution cabinets, or large motor drives to provide basic data for energy distribution and energy consumption analysis of the entire factory or workshop, and assist users in sub metering and demand control. Providing real-time and accurate three-phase system power data for the energy consumption monitoring platform is the primary step in achieving digitalization of "smart energy". 2. Power system and distributed generation: In the 10kV or 0.4kV feeder lines of smart substations, it is used to measure the active power flow of the lines and coordinate with the SCADA system for power dispatch. In distributed photovoltaic power plants, wind farm grid connection points, or main transformers, it is used to monitor the active power generated for grid connection or self consumption, and is the core sensor for achieving power factor regulation (PFC), active power control, and energy metering. 3. Monitoring of large equipment and motor loads: Real time monitoring of active power of key high-power three-phase motors such as rotary kiln motors in cement plants, rolling mills in steel plants, and elevators in mines is an important means to achieve preventive maintenance, fault warning, and optimize production efficiency. In the traction substation of electrified railways, monitor the active load changes of the power supply arm to ensure power supply stability. 4. Industrial automation and process control systems: Connect PLC or DCS systems to provide direct control parameter feedback for process energy efficiency (such as heating furnaces and electrolytic cells) on the production line, achieving optimized control and energy-saving regulation of the production process. Provide active reference input for reactive power compensation devices (SVG/SVC) and optimize compensation strategies. 5. Energy efficiency in commercial and public buildings: Applied to power distribution centers in large public buildings such as airports, subway stations, and commercial complexes, monitoring the three-phase active power of the main incoming lines and major tenants/floors to achieve refined load management and cost sharing. 6. Scientific research and equipment testing: Used as a power detection front-end for third-party testing equipment, in conjunction with oscilloscopes and power analyzers, to verify and calibrate the active input/output power of motors, frequency converters, or energy storage systems during the research and development process.
