>350kVA Range
LQDZ 3200kVA |10kV Input | 0-10.5kV Adjustable Output |Manual Contact Voltage Regulator| Industrial Voltage Stabilizer
Industrial Power Control Solution
High-capacity 3200kVA cylinder voltage regulator designed for demanding industrial environments. Features 0-10.5kV output range, spark-free DC motor control, and 4-hour continuous operation at full load. Ideal for power plants, manufacturing facilities, and high-voltage testing labs.
Key Advantages:
≤60dB Operation Zero Spark Contacts 4-Hour Continuous Duty ONAN Cooling
Core Specifications
| Parameter | Value | Standard |
|---|---|---|
| Rated Capacity | 3200kVA | IEC 60270 |
| Input Voltage | 10kV AC | |
| Output Voltage | 0-10.5kV AC | |
| Output Current | 304.8A | |
| Frequency | 50Hz ±1% | |
| Waveform Distortion (THD) | ≤3% | |
| Voltage Linearity | >30% range (linear curve) | |
| Output Voltage Precision | ±0.5% |
Performance Features
⚡
DC Motor Control System
Precision voltage regulation with adjustable speed DC servo motor and automatic zeroing control
🔄
Cylinder Contact Technology
Spark-free brush contact system
10× capacity output in 0.1s
Voltage rising contact limit protection
❄️
Advanced Thermal Management
ONAN cooling maintains safe temperatures during extended operation
📶
Precision Voltage Control
Smooth, stepless voltage adjustment with phase-matching input/output
🔊
Low-Noise Operation
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🏭
Robust Construction
Sealed indoor design with dust/moisture protection
Temperature & Loss Specifications
| Component | Temperature Rise Limit | Measurement Method |
|---|---|---|
| Winding | 65K | Resistance method (avg) |
| Top Oil | 55K | Thermometer |
| Hot Spot/Structure | 78K | Calculated |
| Tank Surface | 80K | Infrared |
| Loss Type | Value @75°C |
|---|---|
| No-Load Loss | <13.5kW |
| Load Loss | <65kW |
| Total Loss | <82kW |
| Efficiency | >97.5% |
Safety & Protection Systems
Short-Circuit Protection
Withstands 5× rated current for 8 cycles without damage
Dielectric Strength
Passes 6 consecutive flashover tests at rated voltage (30-min intervals)
Overvoltage Protection
Integrated output protection devices
Oil Monitoring System
Electric contact thermometer
Breathers for pressure equalization
Leak-proof tank construction
Impedance Characteristics
| Voltage Range | Impedance Voltage (UK%) |
|---|---|
| 30-50% Rated Voltage | <12% |
| 50% Rated Voltage | <3% |
| 50-100% Rated Voltage | <5% |
Industrial Applications
Power Generation Facilities
Voltage stabilization for turbine generators and auxiliary systems
Industrial Manufacturing
Precision voltage control for heavy machinery and process equipment
High-Power Testing Labs
Dielectric strength testing of transformers and switchgear
Data Center Power Systems
Critical infrastructure voltage regulation
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