LQHV-3000 On-Load Tap-Changer Tester

Comprehensive OLTC Performance Analysis

The LQHV-3000 delivers precise diagnostics for transformer tap-changers with dual-current output and automatic transition calculations, essential for:

• Preventive maintenance programs

• Post-fault switchgear evaluation

• Factory acceptance testing

Product Parameters

Technical parameters

Advanced Testing Technology

1. Dual-Current Analysis

• 🔌 1A precision mode for sensitive detection

• ⚡ 10A power mode for noisy environments

• 📈 Auto-range selection

2. Intelligent Waveform Processing

• ⏱️ Automatic transition time calculation

• 📊 Resistance curve differentiation

• 🔄 Three-phase synchronism analysis

3. Field-Optimized Operation

• 🖥️ One-key shuttle control

• 💾 USB waveform storage (100+ tests)

• 🛡️ Live circuit protection

Critical Measurements

• Contact Wear: Transition resistance values

• Mechanical Timing: Switch transition duration

• Phase Alignment: Three-phase synchronization

• Arcing Detection: Waveform anomalies

User-Centric Features

• All-in-One Display: Waveform + digital results

• Portable Design: 5kg field-ready package

• Data Export: PC analysis software included

• Safety Systems: Automatic discharge

Why Choose LQHV-3000?

• ✅ Dual-Current Advantage - Wider measurement range

• ✅ Smart Calculations - Auto resistance/time values

• ✅ Visual Diagnostics - Waveform comparison

• ✅ Regulatory Ready - Meets IEC 60214-2