Voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, voltage regulator, AC voltage regulator, power voltage regulator, household voltage regulator, compensated voltage regulator, three-phase voltage regulator, single-phase voltage regulator, regulated power supply, power voltage regulator, Shanghai voltage regulator, Product Description The DBW and SBW series single-phase and three-phase fully automatic compensated power voltage regulators are products specifically designed for voltage stabilization. When external power supply fluctuations or load changes cause voltage variations, they can automatically maintain a stable output voltage. This series of products offers advantages such as large capacity, high efficiency, no waveform distortion, smooth voltage regulation, wide applicability to various loads, ability to withstand instantaneous overloads, long-term continuous operation, manual and automatic switching, and protection functions including over-voltage and under-voltage protection. They are compact, lightweight, easy to install, and reliable in operation. Widely used in industrial and mining enterprises, postal and telecommunications, textiles, railways, construction sites, schools, hospitals, hotels, national defense, scientific research, and other sectors for electronic computers, precision machine tools, computed tomography (CT) scanners, precision instruments, experimental devices, elevators, imported equipment, and production line AC stabilized power supplies. They are also suitable for low-voltage power distribution end-users with low supply voltage and large fluctuations, as well as electrical equipment with significant load variations, such as elevators, cranes, mixers, and any other applications requiring stable voltage. Technical Parameters SBW, DBW High-Power Compensated Power Voltage Regulators Input Voltage: Single-phase 176V–264V, Three-phase 304V–456V (must be specified when ordering) Output Voltage: Single-phase 220V±(1–5)%, Three-phase 380V±(1–5)% Frequency: 50Hz/60Hz Specifications: Single-phase: 20, 30, 50, 100, 150, 180, 200, 225, 250, 300, 320, 350, 400, 450 KVA Three-phase: 20, 30, 50, 100, 150, 180, 200, 225, 320, 400, 500, 600, 800, 1000, 1500, 2000 KVA Insulation Resistance: >2 MΩ Efficiency: ≥98% (for power ratings above 50 KVA) Voltage Regulation Accuracy: Adjustable (1%–5%) Electrical Strength: Withstands 2000V power frequency sinusoidal voltage for 1 minute without breakdown or flashover Overload Capacity: Twice the rated current, sustained for 1 minute Response Time: ≤0.5s (when external voltage changes by 10%) Ambient Temperature: -10°C to +40°C Waveform Distortion: No additional waveform distortion Protection Functions: Over-voltage protection, under-voltage protection, phase sequence protection, overload and short-circuit protection, delay function, automatic recovery after power restoration, and mechanical fault protection.