150kVA ~ 350kVA Range
LQDZ 350kVA |3.3kV Input | 0-6.3kV Adjustable Output |Manual Contact Voltage Regulator| Industrial Voltage Stabilizer
Technical Specifications
Parameter | Specification | Performance Advantage |
---|---|---|
Rated Capacity | 350kVA | Industrial-grade power handling |
Input Voltage | 3.3kV | Medium-voltage compatibility |
Output Voltage Range | 0~6.3kV | Wide adjustable range |
Frequency | 60Hz | North American standard |
Output Current | 0~55.5A | Precision current control |
Waveform Distortion | ≤3% | Clean power output |
Impedance Voltage | ≤7% (linear 50-100% range) | Stable load regulation |
Advanced Engineering Features
Intelligent Voltage Adjustment
DC servo motor drive enables precision voltage tuning with programmable regulation speed
Symmetrical Compensation Circuit
Reversed polarity design ensures linear output voltage stability (±0.25%) under load fluctuations
Enhanced Protection System
Withstands 8 continuous short-circuit cycles
Magnetic oil level indicator
Protection contacts for overload safety
Robust Performance Capabilities
Overload Endurance
Load Condition | Duration |
---|---|
120% Rated Current | 60 minutes |
140% Rated Current | 30 minutes |
160% Rated Current | 5 minutes |
Thermal Management
ONAN (Oil-Natural Air-Natural) cooling system
Certified 1-hour continuous operation at full load
Temperature-monitored windings
Control & Monitoring Systems
Integrated Feedback Mechanisms
Position indicator with terminal contacts
Servo motor driving device with precision encoders
Real-time voltage/current monitoring
Safety Interlocks
Three-way synchronization between voltage regulator, control table, and secondary switches prevents operational conflicts
"The impedance linearity between 50-100% adjustment range ensures consistent performance across industrial load variations."
Industrial Applications
Power Substations
Voltage stabilization for 3.3-6.6kV distribution networks
Industrial Manufacturing
Precision voltage control for heavy machinery and process equipment
Renewable Energy
Grid interface stabilization for solar/wind farms
Research Facilities
Controlled high-voltage supply for testing laboratories
Compliance & Standards
Engineered to meet international electrical standards:
IEC 60076 for power transformers
IEEE C57.15 for voltage regulators
ANSI C84.1 for voltage ratings