Primary injection testing device DDG-1000A

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Product overview
The DDG Primary Current Injector Test Set is a high-current test device used to generate controlled large currents for safety testing, CT calibration, temperature-rise and laboratory experiments in power systems.

Product Features

• Two ammeters for wide-range current monitoring.
• Adjustable autotransformer for fine output regulation.
• Status indicator lamps and push-button controls for straightforward operation.
• Integral or separable (fission) construction options to facilitate transport and handling.

Main Applications of High Current Generator

• Thermal and dynamic stability testing of circuit breakers, switches and contactors.
• Calibration and ratio testing of current transformers (CTs).
• Temperature-rise tests for busbars, bushings and cable terminations.
• Setting and verification of relay protection devices.
• Scientific research and laboratory experiments requiring high current sources.

Technical parameters (series examples)

• DDG-500 — capacity: 3 kVA; V1: 220 V; A1: 15 A; V2: 6 V; A2: 500 A; dimensions (mm): 430×338×550; weight: 48 kg; structure: integral.
• DDG-1000 — capacity: 6 kVA; V1: 220 V; A1: 27 A; V2: 6 V; A2: 1000 A; dimensions (mm): 500×380×600; weight: 80 kg; structure: integral.
• DDG-2500 — capacity: 15 kVA; V1: 380 V; A1: 39.5 A; V2: 6 V; A2: 2500 A; dimensions (mm): 600×430×790; weight: 145 kg; structure: integral.
• DDG-4000 — capacity: 24 kVA; V1: 380 V; A1: 63 A; V2: 6 V; A2: 4000 A; dimensions (mm): 640×450×820; weight: 180 kg; structure: integral / separable.
• DDG-5000 — capacity: 30 kVA; V1: 380 V; A1: 79 A; V2: 6 V; A2: 5000 A; dimensions (mm): 600×430×900 & 300×500×500 (two-piece option); weight: 145 & 135 kg; structure: separable.
• DDG-6000 — capacity: 36 kVA; V1: 380 V; A1: 95 A; V2: 6 V; A2: 6000 A; dimensions (mm): 600×430×900 & 300×500×500; weight: 150 & 140 kg; structure: separable.
• DDG-8000 — capacity: 48 kVA; V1: 380 V; A1: 126 A; V2: 6 V; A2: 8000 A; dimensions (mm): 600×450×950 & 350×550×550; weight: 180 kg; structure: separable.
• DDG-10000 — capacity: 60 kVA; V1: 380 V; A1: 158 A; V2: 6 V; A2: 10000 A; dimensions (mm): 800×600×1100 & 380×550×600; weight: 200 kg; structure: separable.

FAQ of Primary Current Injector Test Set

• 1. What tests are high current generators mainly used for?
• High current generators are mainly used for primary current injection tests in power systems, which can detect and verify equipment such as circuit breakers, switchgear, busbars, current transformers (CTs), relay protection devices, etc., to verify their operating characteristics and current carrying capacity.

• 2. Does the Primary Current Injector Test Set support long-term high current output?
• When designing equipment, fully consider heat dissipation and load capacity. The specific duration of operation depends on the output current and testing conditions. We can provide short-term or long-term high current output solutions according to customer needs.

• 3. Is the operation of a Primary Current Injector Test Set complicated?
• Not complicated. The device adopts a humanized design, with clear digital display and a simple and easy to learn operating interface. Provide detailed English operation manual, wiring diagram, and operation video before leaving the factory

• 4. Is the Primary Current Injector Test Set convenient for transportation and on-site use?
• Yes. We can provide split, mobile, or caster structure designs for easy on-site handling and use in power engineering projects.

• 5. How to ensure after-sales service?
• We provide comprehensive after-sales support, including technical consultation, remote guidance, operation training, fault diagnosis, and spare parts supply. The equipment warranty period is usually 12 months. During the warranty period, we will provide free technical support and solutions for any malfunctions caused by manufacturing quality issues.