High Voltage Insulation Equipment
LDDG Primary Current Injection Test Set
Heavy-duty current injection system for power equipment testing, delivering precision high-current outputs (500A-10kA) with integrated safety monitoring for substations, labs, and manufacturing facilities.
Product Parameters
technical parameters(Special parameters can be customized)
type specification | capacity(kVA) | elementary | secondary | boundary dimension(mm)、length×relax×high-priced | weightkg | structural style | ||
V1 | A1 | V2 | A2 | |||||
DDG-500 | 3 | 220 | 15 | 6 | 500 | 430×338×550 | 48 | an organic whole |
DDG-1000 | 6 | 220 | 27 | 6 | 1000 | 500×380×600 | 80 | an organic whole |
DDG-2500 | 15 | 380 | 39.5 | 6 | 2500 | 600×430×790 | 145 | an organic whole |
DDG-4000 | 24 | 380 | 63 | 6 | 4000 | 640×450×820 | 180 | an organic whole/fission |
DDG-5000 | 30 | 380 | 79 | 6 | 5000 | 600×430×900、300×500×500 | 145、135 | fission |
DDG-6000 | 36 | 380 | 95 | 6 | 6000 | 600×430×900、300×500×500 | 150、140 | fission |
DDG-8000 | 48 | 380 | 126 | 6 | 8000 | 600×450×950、350×550×550 | 180 | fission |
DDG-10000 | 60 | 380 | 158 | 6 | 10000 | 800×600×1100、380×550×600 | 200 | fission |
Core Technical Features
Adjustable Output: Autotransformer with smooth 0-100% current regulation
Dual-Range Monitoring:
Primary ammeter: 0-10kA (±1.5% accuracy)
Secondary ammeter: 0-100A (±0.5% accuracy)
Modular Design: Separable units (transformer/control) for portability
Safety Systems: Overcurrent trip + status indicator lamps
Product Overview
The DDG Large Current Generator by Wuhan UHV is essential for:
Circuit breaker trip testing
CT/PT ratio verification
Busbar and cable heat rise tests
Protective relay calibration
Key Advantages
1. Precision Control
Knob-adjustable autotransformer with 100-tap resolution
Analog/digital ammeter synchronization
2. Operational Safety
Red/green status lamps for live circuit indication
Emergency stop button
3. Field Deployment
Wheel-mounted base option available
Quick-connect cable terminals
Industry Applications
Power Plants: Generator breaker testing
Transmission Substations: Bus differential tests
Manufacturing: Fuse/switchgear validation
Complies with IEC 60204-1 safety standards and DL/T 596-2021 power equipment testing guidelines.