BK-ZBW-120KVA丨3 Phase Non-contact /Contactless Voltage Stabilizer

Product Overview

The BK-ZBW Series Three-Phase Digital Non-contact /Contactless Voltage Stabilizer represents a new generation of rapid voltage stabilization equipment, developed through the advancement of compensating power voltage regulation devices.

It integrates core technologies including DSP chip control, rapid AC sampling, zero-crossing current switching, and fast compensation voltage regulation. This unit combines intelligent metering, rapid voltage stabilization, and fault diagnosis functions into one, ensuring safer, more efficient operation and enhanced voltage regulation precision.

Core components include an isolation transformer, thyristor voltage regulation module, MCU control core, high-precision current/voltage sampling elements, and safety protection devices. Employing a fully contactless control scheme—eliminating mechanical contact switching—it avoids traditional equipment’s contact wear issues while achieving surge-free operation, enhanced energy efficiency, and greater environmental sustainability. This represents an optimized integration of thyristor and transformer technologies.

This product is widely compatible with large electromechanical equipment in industrial, transportation, postal, defense, railway, and scientific research sectors. It provides reliable voltage stabilization for equipment demanding high precision and stability.

Application

The BK-ZBW Series contactless voltage stabilizer is widely applied across multiple high-demand sectors, providing reliable voltage regulation for precision equipment and critical infrastructure:

Industrial Manufacturing

• CNC machine tools, automated production lines
• Industrial robots, welding equipment
• Textile machinery, precision machining tools

Data Centers & Communication Infrastructure

• Server rooms, cloud computing facilities
• 5G base stations, network switches
• Data transmission equipment, communication hubs

Medical & Laboratory Equipment

• MRI scanners, CT machines
• High-precision analytical instruments
• Clinical diagnostic equipment, laboratory testing devices

New Energy & Power Systems

• Solar/wind farm grid connection points
• Electric vehicle (EV) charging piles
• Substations, power distribution stations
• Renewable energy storage systems

Commercial & Public Facilities

• Large shopping malls, office buildings
• Hospitals, airports, railway stations
• Rail transit systems, public utility facilities

Technical Advantages

• Non-contact design

Utilizes solid-state electronic components like silicon control instead of mechanical contacts for voltage regulation. This avoids issues such as mechanical contact wear and poor contact, enhancing reliability, reducing maintenance costs, and extending service life.

• Intelligent Control and Display

The central control system uses microcontroller intelligent control with an LCD display. This provides real-time monitoring of parameters such as voltage, current, and power. The user-friendly interface allows for easy operation.

• Wide Input Voltage Range

Can operate in a wide input voltage range and effectively regulates voltage even with significant grid fluctuations. This ensures stable output.

• High Customization and Expandability

Customizable according to specific voltage requirements of various industrial and commercial applications. It can also be easily integrated into existing electrical systems.

Product Features

• High-Precision Voltage Regulation

Utilizes thyristor technology for rapid and precise voltage adjustment, achieving regulation accuracy of ±1% or better to deliver stable voltage output to equipment.

• Ultra-Fast Response

Voltage response time ≤30ms enables swift adaptation to load changes and grid fluctuations, ensuring timely output stabilization and effective protection of electrical devices.

• Three-Phase Independent Leveling

Each phase voltage stabilizes independently without interference. When input voltage is unbalanced, it automatically balances three-phase output with a balance rate <1%, adapting to complex three-phase load scenarios.

• High Efficiency & Energy Savings

Operating efficiency reaches 99% or higher, consuming less energy than traditional voltage stabilizers and significantly reducing long-term equipment operating costs.

• Waveform Distortion-Free

Utilizes zero-crossing switching technology to eliminate current interruptions and surge currents during transitions, delivering pure sine wave voltage to loads for enhanced protection of precision equipment.

• Safe and Reliable Protection

Features multiple safeguards including overload, overvoltage, undervoltage, phase loss, short circuit, and overheat protection. Supports fault diagnosis and automatic bypass functionality to ensure stable operation even under abnormal conditions.

Optional Accessories

• Communication Interfaces

RS232, RS485 (optional), Dry Contact (optional), Network Card (optional) to meet diverse monitoring and management needs.

• Additional Functions

Various communication interfaces and optional accessories are available based on user requirements, enhancing the equipment’s scalability and adaptability.

Specifications