100kVA ~ 150kVA Range
LQDZ-100KVA Contact Type Voltage Regulator: Precision High-Voltage Control
Advanced Voltage Regulation for Industrial Applications
The LQDZ-100KVA contact voltage regulator delivers precision voltage control from 0.38kV input to 0~3.3kV output. Engineered for critical industrial environments, this single-phase (50Hz) regulator features symmetrical compensation technology and reversed polarity voltage regulation to ensure linear, stable output with ≤3% waveform distortion. With ONAN cooling and electrical drive operation, it maintains consistent performance under 100kVA load for 60+ minutes.
Technical Specifications
Parameter | Specification |
---|---|
Model | LQDZ-100KVA/0.38kV/0~3.3kV |
Input Voltage | 0.38kV (Rated) |
Output Voltage | 0~3.3kV (Adjustable) |
Rated Current | 263A (Input) / 30.3A (Output) |
Waveform Distortion | ≤3% (Aberration Ratio) |
Short-Circuit Impedance | ≤7.5% (Linear 50%-100% range) |
Noise Level | <65dB (1m distance) |
Cooling System | ONAN (Oil Natural Air Natural) |
Key Engineering Features
Linear Voltage Regulation: Symmetrical compensation circuit ensures smooth output voltage transitions
Precision Control: Servo motor drive system with position indicators and terminal contacts
Safety Interlocks: Integrated protection between regulator, control table, and secondary switches
Low Starting Voltage: ≤1% threshold for sensitive equipment protection
Magnetism Oil Indicator: Real-time monitoring of cooling system integrity
Industrial Applications
This regulator is certified for:
High-voltage laboratory testing systems
Transformer and switchgear manufacturing QA
Renewable energy substation voltage stabilization
Industrial machinery requiring 0-3.3kV precision control
Performance Advantages
Unlike conventional regulators, the LQDZ-100KVA utilizes a reversed polarity voltage regulation circuit that eliminates output fluctuations. The electrical drive mechanism allows adjustable regulation speed while maintaining stability under:
Full-rated load operation: 60+ minutes continuous
Ambient temperatures: -25°C to +40°C
Linear impedance response between 50%-100% load range
Compliance & Safety
Designed to meet international electrical standards including IEC 60076 and IEEE C57.12.00. The integrated protection contacts and ONAN cooling system ensure operational safety with:
Automatic overload cutoff
Thermal protection sensors
IP54-rated enclosures (optional)