Drom SVC-E-1500W Servo Motor Digital Voltage Stabilizer (Single Phase)

The Drom SVC-E-1500W is a high-capacity, precision-engineered servo voltage stabilizer designed to deliver ultra-stable, laboratory-grade AC power for critical and sensitive high-wattage equipment. Utilizing a high-torque servo motor for continuous, smooth voltage adjustment, it achieves exceptional output accuracy of approximately ±1%, even with extreme input voltage variations of up to ±50%. This robust 1500VA digital stabilizer is essential for protecting medical imaging support systems, industrial control units, high-fidelity audio power amplifiers, and research laboratory instrumentation where absolute voltage integrity is paramount.

Product Features

High-Precision Voltage Regulation

Ensure optimal performance of sensitive, high-power equipment with unwavering ±1% output voltage accuracy. The servo-controlled analog correction provides a perfectly stable sinusoidal output, free from the step changes and harmonic distortion associated with relay-based stabilizers, which is critical for precision analog and digital devices.

Extended Wide-Range Correction Capacity

Operate with confidence in areas suffering from severe grid instability. Capable of correcting input voltage fluctuations up to ±50% from the nominal value (e.g., 110V-270V for a 220V system), this stabilizer reliably maintains safe output levels during deep brownouts, sustained surges, and erratic mains supply conditions.

Smooth, Continuous Servo Motor Correction

Deliver pure, undistorted power essential for sensitive loads. The servo motor physically moves a brush along a transformer winding, enabling seamless voltage adjustment. This analog method preserves a clean sine wave output, protecting equipment like variable frequency drives, medical lasers, and high-end audio amplifiers from waveform distortion and electrical noise.

Advanced Digital Control & Monitoring

Leverage intelligent regulation with a sophisticated digital control circuit. A high-speed microprocessor continuously samples input and output parameters, using advanced algorithms to control the servo motor driver for rapid, precise corrections. The system includes features like soft-start, fault logging, and adaptive response tuning.

Robust High-Torque Servo Mechanism

Guarantee durability and responsive performance under substantial 1500W loads. The industrial-grade, high-torque servo motor is engineered for millions of precise adjustment cycles, ensuring fast correction speeds (typically 30-50 V/sec) and long-term mechanical reliability without degradation.

Comprehensive Integrated Protection System

Provide complete safety for both the connected equipment and the stabilizer. The unit incorporates over-voltage and under-voltage cut-off with adjustable thresholds, electronic overload protection, short-circuit interruption, thermal overload shutdown with alarm, and built-in surge suppression, forming a multi-layered defense against electrical faults.

Interactive Digital Interface for Real-Time Oversight

Maintain full control and visibility with a clear digital display. An LCD panel shows real-time metrics including input voltage, output voltage, load current (or percentage), and system status (e.g., Normal, Boosting, Bucking, Fault). This allows for immediate assessment of power quality and stabilizer health.

High Efficiency with Managed Thermal Performance

Optimize energy usage and ensure cool, quiet operation. Designed for high electrical efficiency (>95%), the stabilizer minimizes power loss. Its construction, often including a low-noise cooling fan, ensures effective heat dissipation during continuous operation at full 1500VA capacity, maintaining component lifespan.

Ideal for Demanding Professional & Industrial Applications

The definitive power solution for environments where voltage quality directly impacts results. Its combination of high capacity, precision, and clean output makes it indispensable for medical diagnostic support equipment (e.g., ultrasound, analyzers), industrial process controllers, professional broadcasting transmitters, premium home theater projectors, and advanced scientific research setups.

Product Specifications

Model: Drom SVC-E-1500W
Type: Single-Phase, Servo Motor Controlled, Digital Voltage Stabilizer
Power Rating: 1500 Watts / 1500 VA (1.5 kVA)
Technology: Servo Motor with Buck-Boost Transformer & Digital Microprocessor Control

Input Voltage Range (Example for 220-240V systems):

• Correction Range: Typically ±50% (e.g., 110V – 270V for 220V nominal). Verify with manufacturer specifications.
• Functional Range: May extend slightly beyond full correction capabilities.

Output Voltage: Precisely stabilized to set point (220V/230V/240V) with high fidelity.
Output Voltage Accuracy: ±1% under normal operating conditions.
Correction Speed: 30-50 Volts per second (ensures smooth yet rapid adjustment).
Output Waveform: Pure sine wave with minimal distortion (<3% THD typical).

Key Internal Components:

• Variable Auto-Transformer: Precision-wound with high-current carbon brush assembly.
• Buck-Boost Transformer: For isolated, stable voltage correction.
• Control System: Digital Microprocessor, Precision Instrumentation, Servo Motor Driver.
• Actuator: High-Torque, Long-Life Servo Motor.
• Display: Digital LCD with parameter readout and status indicators.

Protection Features:

• Adjustable High/Low Voltage Cut-Off
• Electronic Overload & Short Circuit Protection
• Thermal Overload Protection with Auto-reset
• Start-up Time Delay (configurable, e.g., 3-5 minutes)
• Integrated Surge Suppression

Display: Shows V-in, V-out, Load (Amps or %), and active operation mode.
Cooling: Engineered metal housing with ventilation; may include a temperature-controlled fan.
Housing: Durable metal cabinet for structural integrity and EMI shielding.
Mounting: Substantial floor-standing or heavy-duty desktop unit.

Operating Temperature: 0°C to 40°C (extended range possible).
Efficiency: Typically >95% at rated load.
Applications: Medical Support & Lab Equipment, Industrial Automation Controls, High-Power Professional Audio Rigs, Research & Testing Instruments, High-End Computing/Storage Arrays, Commercial Display/Projection Systems.