LQHV-1201 Six-Phase Relay Protection Test Set

Industrial-Grade Protection Relay Testing Solution

Designed to meet GB/T 7261-2016 and DL/T 624-2023 standards, the LQHV-1201 delivers unprecedented 6-phase voltage and 6-phase current output in a compact, portable package. Ideal for testing complex protection schemes including transformer differential and busbar protection systems.

Product Parameters

AC current output

DC current output

AC voltage output

DC voltage output

Switching value

Time measuring range

Key Specifications

• Output Capacity: 6×120V (phase), 6×40A continuous (120A short-time)

• Control System: DSP processor with 16-bit DAC resolution

• Display: 10.1" TFT LCD (1280×800) with Windows interface

• Accuracy: ±0.1% voltage, ±0.2% current, ±0.3° phase

• Communication: Dual USB 3.0, RS232, Ethernet

Innovative Testing Capabilities

1. Six-Phase Flexible Output Matrix

• 12-phase combined output modes (6V+6C configuration)

• Native support for 3-winding transformer differential tests

• Programmable sequence output for auto-reclose simulations

2. DSP Digital Signal Processing

• 5μs real-time processing speed

• 0.01% THD at full load

• 0.1Hz–5kHz frequency bandwidth

3. Linear Amplifier Technology

• High-fidelity output with <1μV noise floor

• Active impedance matching (0.1Ω–10kΩ)

• Forced-air cooling with thermal monitoring

Workflow Advantages

Dual Operation Modes

Standalone or PC-connected via USB/Ethernet

Automated Testing

30+ pre-loaded test templates

Data Management

Real-time storage and PDF report generation

Safety & Reliability

• IP52-rated enclosure for field use

• Multi-stage thermal protection (70°C auto-throttling)

• Isolated DC outputs (220V/5A, 110V/10A)

Why Choose LQHV-1201?

1. Time Savings - 6-phase testing reduces project time by 65%

2. Future-Ready - Firmware upgradable via USB

3. Regulatory Compliance - Full GB/T 7261 test documentation