Large Capacity Voltage Stabilizers
(150-3000KVA)

Heavy-duty voltage stabilizers engineered for the most demanding industrial applications. Power plants, mining operations, steel mills, and mega-scale facilities trust our large capacity solutions for critical power protection.

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    WHAT WE DO

    Why Choose YIY Large Capacity Voltage Stabilizers?

    Extreme Duty Industrial Engineering

    Purpose-built for the harshest industrial environments including mining, steel production, and heavy manufacturing. Designed to withstand extreme temperatures, vibration, dust, and corrosive conditions.

    Mega-Scale Power Management

    Single units up to 3000KVA with unlimited parallel capacity for multi-megawatt installations. Advanced load sharing and redundancy systems ensure continuous operation of critical industrial processes.

    Custom Engineered Solutions

    Every large capacity installation is uniquely engineered to meet specific site requirements. Complete turnkey solutions from initial design through commissioning and long-term maintenance support.

    By Product Technology

    By Voltage Standard

    By Capacity

    Large Capacity Voltage Stabilizer Product Range

    Complete large capacity voltage stabilizer solutions from 150KVA to 3000KVA for mega-scale industrial applications.

    Single Phase Medium Capacity Models (15KVA-100KVA)

    SeriesTypePower RangeInput Voltage (EU)Input Voltage (US)Output AccuracyResponse TimeEfficiency
    SVCServo0.5-10KVA150V-250V105V-149V±3%≤2s≥98%
    PROHigh-Precision Servo0.5-10KVA150V-250V104V-149V≤2%0.5-1s≥98%
    PRPortable Relay0.5-2KVA125V-270V/140V-260VN/A±10%60ms≥95%
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      Three Phase Medium Capacity Models (15KVA-100KVA)

      SeriesTypePower RangeInput VoltageOutput VoltageOutput AccuracyEfficiency
      SVC-3Servo1.5-9KVA278V-433V or 152V-228V/166V-249V380V±3% or 220V±3%±3%≥98%
      PRO-3High-Precision Servo1.5-9KVA278V-433V or 152V-228V/166V-249V380V±3% or 220V±2%≤2%≥98%
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        Quick Selection Guide for YIY Large Capacity Voltage Stabilizer

        Industry SectorRecommended SeriesTypical CapacityKey Requirements
        Steel & MetallurgySBW-F500KVA – 3000KVAUnbalanced loads, harsh conditions
        Mining & ExtractionSBW-F300KVA – 2000KVAExtreme environments, high reliability
        Power GenerationSBW / SBW-F1000KVA – 3000KVAGrid stability, redundancy
        Chemical ProcessingPWR-3 / SBW-F150KVA – 1000KVAPrecision control, safety critical
        Cement & Building MaterialsSBW200KVA – 1500KVACost-effective, robust operation
        Automotive ManufacturingPWR-345KVA – 500KVAHigh precision, fast response
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          Professional Large Capacity Voltage Stabilizer OEM Services

          Custom-engineered mega-scale voltage stabilization solutions designed specifically for your industrial requirements. Complete turnkey projects from concept to commissioning for the world’s most demanding applications.
          • Ultra-Heavy Equipment Assembly – Specialized facilities for 3000KVA+ units, overhead crane capacity up to 50 tons
          • Advanced Testing Infrastructure – High-voltage test laboratories, full-load testing up to 10MVA, harmonic analysis equipment
          • Global Project Logistics – Specialized heavy transport coordination, modular shipping solutions, worldwide installation support
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            Large Capacity Voltage Stabilizer Applications

            Heavy Steel &
            Manufacturing

            Protect blast furnaces, steel rolling mills, and massive industrial equipment. Ensure continuous operation of critical heavy manufacturing processes in steel plants and foundries requiring mega-scale power protection.

            Mining & Extraction
            Industries

            Reliable power protection for massive excavators, conveyor systems, crushing equipment, and processing facilities. Withstand harsh mining environments while protecting critical extraction and processing operations.

            Power Plants & Electrical Infrastructure

            Critical voltage regulation for power generation facilities, substations, and transmission systems. Ensure stable operation of massive transformers, switchgear, and electrical infrastructure in utility and industrial power systems.

            Frequently Asked Question

            A: Our largest standard single unit is 3000KVA. For larger requirements, we design parallel systems with unlimited capacity. Our largest installation to date is 50MVA using parallel units with full redundancy.

            A: Large units are designed with modular construction for easier transportation. We coordinate with specialized heavy transport companies and provide on-site assembly. Our installation teams have experience with crane operations and complex mechanical installations.

            A: Engineering and manufacturing typically takes 3-6 months depending on customization level. Installation and commissioning adds 1-3 months. Rush projects can be accommodated with dedicated resources and expedited manufacturing.

            A: Yes, our large capacity units are designed for operation up to 5000m altitude and temperature ranges from -40°C to +70°C. Special cooling systems and component derating ensure reliable operation in extreme conditions.

            A: We offer N+1, N+2, and 2N redundancy configurations. For the most critical applications, we can design geographically separated redundant systems with automatic failover and manual transfer capabilities.

            A: Large units include advanced harmonic filtering, power factor correction, and real-time power quality monitoring. We perform detailed harmonic analysis and design custom filtering solutions for each installation.

            A: Preventive maintenance programs include quarterly visual inspections, annual comprehensive testing, and biennial major maintenance. We offer full-service maintenance contracts with guaranteed response times and spare parts availability.

            A: Yes, our systems support all major industrial communication protocols including Modbus, DNP3, IEC 61850, and custom protocols. We provide complete integration with DCS, SCADA, and building management systems.

            A: Our large capacity units meet IEC, IEEE, ANSI, and regional standards. We can provide certifications for specific applications including marine (DNV), railway (EN50155), and hazardous areas (ATEX/IECEx).

            A: Large capacity installations include 2-year comprehensive warranty with optional extensions up to 10 years. We maintain dedicated spare parts inventory and provide guaranteed 24-hour emergency response for critical installations.

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              Don’t hesitate to reach out for any questions, quotes, or specialized advice. Our industry veterans are available to guide you through your specific needs.

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                Zhejiang Yiyen Holding Group Co.,Ltd

                Address:

                No.77, Xiang Long Road, Lian Du Zone, Lishui City, Zhejiang Province, China

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