<30kVA Range
Industrial 16kVA Contact Voltage Regulator | 0-420V Adjustable Output | LQDZ Series
✅ 60min Continuous Operation at Full Load
✅ 2× Short-Circuit Withstand Capacity
✅ ≤3% Waveform Distortion
Precision Power Regulation for Critical HV Applications
The LQDZ-16kVA contact voltage regulator delivers laboratory-grade voltage control for high-current testing environments. Engineered for continuous 60-minute operation at 420V/40A full load, this single-phase solution exceeds standard duty cycles while maintaining ≤3% THD output - ideal for precision measurement systems requiring uncompromised waveform integrity.
IEC 61010-1 Certified CAT IV 600V 50Hz Operation
Technical Specifications
Parameter | Specification | Testing Standard |
---|---|---|
Rated Capacity | 16kVA | IEC 60076-11 |
Input Voltage | 415V AC ±10% | ANSI C84.1 |
Output Range | 0-420V AC | |
Output Current | 40A continuous | |
Waveform Distortion | ≤3% THD | IEEE 519 |
Frequency | 50Hz ±2% | |
Full Load Operation | 60 minutes | IEC 60529 Thermal Class |
Continuous Operation | At 80% rated current/voltage | |
Short-Circuit Withstand | 2× rated current (80A) for 160ms (8 cycles) | IEC 62271-100 |
Weight | 60kg |
⚠️ Critical Safety Notice
WARNING: This equipment generates lethal energy. Always:
• Use CAT IV 1000V rated PPE
• Implement ground-fault protection
• Verify dead-circuit conditions before servicing
• Maintain 1m clearance during discharge testing
Enhanced Performance Features
Advanced Thermal Management
Patented cooling system enables 60-minute continuous operation at 420V/40A - 4× longer than standard industrial regulators
Transient Protection System
Integrated damping resistor limits discharge current to safe levels during capacitance testing:
Idischarge = Vmax × √(C/L)
Mechanical Safety System
Dual-position limit switches prevent contact overtravel with mechanical interlocks compliant with ISO 13849 PLc
Application-Specific Advantages
Application | Benefit | Standard |
---|---|---|
Transformer Testing | Withstands 2× overload during impulse tests | IEEE C57.12.90 |
Circuit Breaker Calibration | Stable voltage during trip testing | IEC 62271-100 |
High-Current Laboratories | Continuous operation at 336V/32A (80%) | ISO/IEC 17025 |
Technical Comparison: LQDZ-15kVA vs 16kVA
Feature | Previous Model | New 16kVA | Improvement |
---|---|---|---|
Full Load Duration | 15 minutes | 60 minutes | +400% |
Continuous Operation | Not specified | 80% rating | New capability |
Power Density | 15kVA/60kg | 16kVA/60kg | +6.7% kVA/kg |