Comprehensive Automated High-Current Primary Injection System

The DDG Series Primary Current injection Test Set is designed for current load and temperature rise testing on various circuit breakers, switchgears, CT/PT, and other electrical equipment. It is widely applied in power divisions and industrial mining enterprises for reliable performance validation.

Key Features

• Intuitive Digital Reading: Directly displays current, voltage, and temperature factors for easy observation.
• High Precision: Accurate measurement with fully digitized processing for protection settings.
• Dual Operating Modes: Supports both manual and fully automatic operation.
• Intelligent Reporting: Automatically generates test curves and standard technical reports.
• Current Recovery Tracking: Automatically compensates for current decrease caused by circuit heating.
• Temperature Inspection: Up to 64 channels to record and generate temperature rise curves automatically.
• Switch Protection Testing: Measures action time and current for switchgear and thermal relays.

• Input: AC two-phase 380V 50Hz
• Output: Single-phase 0-20kA AC high current (continuously adjustable)
• Waveform: Standard sine wave, ripple factor < 0.3%, THD < 1%
• Opening Voltage: 10V / 15V / 20V
• Time Range: 0.01S - 99999.99S (Accuracy: 0.001S)
• Temperature Range: 10 - 800 ℃