LDL Series Fully Automatic Temperature Rise Test Device

High-Current Testing Solution for Electrical Equipment

Designed for temperature rise tests on high-voltage switches, transformers, and electrical components. Complies with GB/T 16927.4-2014 for industrial, laboratory, and power utility applications.

Product Parameters

Technical Parameters

Oil-Immersed Induction Voltage Regulator

Dry-Type Current Booster

Key Features:

• Fully Automated: No manual intervention required

• 0.5% Current Accuracy: Computer-monitored output

• Real-time active power display

• Zero-start safety protection

System Components

Core Modules

• Auto-Current Regulator: Compensates for deviations

• Digital Power Meter: Real-time input/output monitoring

• Safety Interlocks: Overcurrent/over-temperature protection

Control Interface

• PC software for parameter setting

• Graphical current/power trending

• Test duration timer with alarms

Testing Workflow

1. Connect test specimen

2. Set target current via software

3. Initiate automated test sequence

4. Monitor real-time data

5. System auto-terminates upon completion

Applications

Test Objects

• High-voltage circuit breakers

• Busbars and switchgear

• Transformer windings

• Cable joints/terminations

User Sectors

• Power generation plants

• Electrical manufacturers

• Certification laboratories

• Industrial maintenance teams

Safety & Compliance

Protection Features

• Zero-voltage start prevention

• Automatic emergency cutoff

• Isolated control circuitry

Standards Met

• GB/T 16927.4-2014

• IEC 60439-1 (switchgear assemblies)

• ANSI C37.09 (circuit breaker testing)

Control Software Capabilities

• Current waveform recording

• Temperature vs. time graphing

• Test report generation

• Calibration mode