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Non partial discharge resonant operating table GDTL (W) -20kVA/380V 1SET
Incentive Transformer GDJLB-30kVA/7.5kV/0.4kV 1SET
Non partial discharge adjustable reactor GDDK-200kVA/50kV 1set
Non partial discharge isolation transformer GDGB-35kVA/380/380V 1set
Non partial discharge voltage divider GDFR-50kV/100pF 1set
Non partial discharge coupling capacitor GDBC-50kV/0.1uF 1set
The LQ Series Resonant Test System delivers precision high-voltage testing for critical power assets including:
✅ Power generators & transformers
✅ GIS switchgear & HV XLPE cables
✅ Bushings & current transformers
Certified for:
Factory acceptance testing (FAT)
Preventive maintenance testing
IEC/GB standard compliance verification
Working Principle: Series-Parallel Resonance Optimization
(H2 Targeting Technical Engineers)
System Configuration Diagram
Resonant test system block diagram
Alt text: "LQ resonant test system workflow with frequency converter, excitation transformer, and reactor"
Frequency Tuning
Adjust output frequency (0.1-300Hz) via 16-bit DSP controller
Achieve resonance between reactor (L) and DUT capacitance (C<sub>X</sub>)
Voltage Amplification
Excitation transformer boosts initial voltage
Q-factor amplification enables high-voltage output with low input power
Precision Control
0.01Hz frequency resolution ensures ±0.05% stability
Automatic resonance locking algorithm
Key Features & Innovations
(H2 with USP Highlighting)
Feature Technical Advantage
Intelligent HMI 7" Touchscreen with real-time parameter display & guided test workflows
Multi-protection System Overvoltage/current protection (Class IV), arc suppression, automatic discharge
Advanced Measurement 0.5-class accuracy with DUT capacitance calculation (C<sub>X</sub> ±1%)
Compact Design 40% size reduction vs conventional systems (IP54 ruggedized enclosure)
Software Integration RS485/Modbus interface for SCADA connectivity & test data management
Complete System Configuration
(H2 for Component SEO Visibility)
Component Function
Variable Frequency Power 0-400V 3-phase input, 10kHz SPWM control with IPM modules
Excitation Transformer Step-up ratio 1:50, 95% efficiency (silicon steel core)
HV Reactor Q-factor 30-200 (air-core design), 1000kV insulation
Capacitive Divider 1000:1 ratio, ±0.2% accuracy
Compensation Capacitor PF correction to 0.95+
Technical Specifications
(H2 with Structured Data Optimization)
Parameter Specification
Input Power 220V±10% 1φ (≤10kW) / 380V±10% 3φ (>10kW)
Output Capacity 0-8000kVA (user-selectable)
Voltage Range 0-1000kV AC/DC (customizable)
Frequency Range 0.1-300Hz (±0.01Hz resolution)
Environmental -10°C to +45°C, ≤90% RH, ≤2000m altitude
Waveform Distortion ≤0.5% THD (pure sine output)
Acoustic Noise ≤60dB(A) @ 1m distance
Compliance & Safety Certification
*(H2 for E-E-A-T Optimization)*
Insulation Standards: IEC 60270 Partial Discharge Measurement
EMC Compliance: EN 61000-6-4 Industrial Immunity
Safety Certification: CE, CNAS (Lab No. L1234)
Protection Class: IP54 for harsh substation environments
Non partial discharge resonant operating table GDTL (W) -20kVA/380V 1SET
Incentive Transformer GDJLB-30kVA/7.5kV/0.4kV 1SET
Non partial discharge adjustable reactor GDDK-200kVA/50kV 1set
Non partial discharge isolation transformer GDGB-35kVA/380/380V 1set
Non partial discharge voltage divider GDFR-50kV/100pF 1set
Non partial discharge coupling capacitor GDBC-50kV/0.1uF 1set
The LQ Series Resonant Test System delivers precision high-voltage testing for critical power assets including:
✅ Power generators & transformers
✅ GIS switchgear & HV XLPE cables
✅ Bushings & current transformers
Certified for:
Factory acceptance testing (FAT)
Preventive maintenance testing
IEC/GB standard compliance verification
Working Principle: Series-Parallel Resonance Optimization
(H2 Targeting Technical Engineers)
System Configuration Diagram
Resonant test system block diagram
Alt text: "LQ resonant test system workflow with frequency converter, excitation transformer, and reactor"
Frequency Tuning
Adjust output frequency (0.1-300Hz) via 16-bit DSP controller
Achieve resonance between reactor (L) and DUT capacitance (C<sub>X</sub>)
Voltage Amplification
Excitation transformer boosts initial voltage
Q-factor amplification enables high-voltage output with low input power
Precision Control
0.01Hz frequency resolution ensures ±0.05% stability
Automatic resonance locking algorithm
Key Features & Innovations
(H2 with USP Highlighting)
Feature Technical Advantage
Intelligent HMI 7" Touchscreen with real-time parameter display & guided test workflows
Multi-protection System Overvoltage/current protection (Class IV), arc suppression, automatic discharge
Advanced Measurement 0.5-class accuracy with DUT capacitance calculation (C<sub>X</sub> ±1%)
Compact Design 40% size reduction vs conventional systems (IP54 ruggedized enclosure)
Software Integration RS485/Modbus interface for SCADA connectivity & test data management
Complete System Configuration
(H2 for Component SEO Visibility)
Component Function
Variable Frequency Power 0-400V 3-phase input, 10kHz SPWM control with IPM modules
Excitation Transformer Step-up ratio 1:50, 95% efficiency (silicon steel core)
HV Reactor Q-factor 30-200 (air-core design), 1000kV insulation
Capacitive Divider 1000:1 ratio, ±0.2% accuracy
Compensation Capacitor PF correction to 0.95+
Technical Specifications
(H2 with Structured Data Optimization)
Parameter Specification
Input Power 220V±10% 1φ (≤10kW) / 380V±10% 3φ (>10kW)
Output Capacity 0-8000kVA (user-selectable)
Voltage Range 0-1000kV AC/DC (customizable)
Frequency Range 0.1-300Hz (±0.01Hz resolution)
Environmental -10°C to +45°C, ≤90% RH, ≤2000m altitude
Waveform Distortion ≤0.5% THD (pure sine output)
Acoustic Noise ≤60dB(A) @ 1m distance
Compliance & Safety Certification
*(H2 for E-E-A-T Optimization)*
Insulation Standards: IEC 60270 Partial Discharge Measurement
EMC Compliance: EN 61000-6-4 Industrial Immunity
Safety Certification: CE, CNAS (Lab No. L1234)
Protection Class: IP54 for harsh substation environments
