Three-Phase Primary Current Injection System for Switchgear Temperature Rise Testing
The DDG Series Three-Phase Primary Current Injection System is advanced test equipment that combines domestic and international technological advantages. Utilizing digital control technology with strong anti-interference capabilities, this system offers superior performance compared to traditional current boosters. Featuring low-power, large-capacity auto-coupling voltage regulators and high-permeability iron core converters, it delivers high output power in a compact, lightweight design.
Key Applications
Primarily used for testing and verification of thermal relays, motor protectors, contactors, circuit breakers, air switches, switchgear cabinets, circuit breakers, and protection panels.
Performance Characteristics
- Elegant PVC panel design
- Direct primary current display for convenient test observation and recording
- High measurement accuracy: 0.5 grade
- High power output with strong load capacity
Operation Guidelines
- Verify wiring connections and ensure proper contact before operation
- Immediately power off and recheck wiring if abnormal phenomena occur
- Ensure current output terminals form a complete circuit for proper operation
- Standard configuration includes 12 pieces of 3m test cables
- Designed for 30-minute continuous operation with 20-minute cooling intervals
Technical Specifications
Model & Classification
- Model: HZDL-2000III Primary Current Injection Test System
- Environmental Class: Compliant with Group Ⅲ requirements of GB6587.1-86, suitable for outdoor operation
Electrical Parameters
| Parameter |
Specification |
| Input Supply |
AC 380V ±10%, 50Hz, Three-phase Four-wire |
| Rated Capacity |
10kVA * 3 (Independent per phase) |
| Output Current |
AC 0 ~ 2000A per phase, steplessly adjustable with digital display |
| Output Voltage |
≥ 5V per phase (under full load) |
| Output Waveform |
Standard sine wave, ripple coefficient < 0.3% |
| Measurement Accuracy |
Better than 0.5 grade with 0.2S-class measurement components |
| Output Mode |
True RMS, continuously adjustable |
| Current Stability |
≤ 0.2% |
| Load Capacity |
Continuous output at 2000A for up to 30 minutes |
Functional & Design Features
- Current Transformer (CT) ratio and polarity verification capability
- Timed operation and emergency stop functions
- Over-current and over-voltage protection
- Independent current output settings for A, B, and C phases
- Flexible wiring configurations
- Integrated unit design with wheels for mobility
- Panel-mounted digital ammeter for clear readout
Product Images
Company Profile
Sansion Power Electric was established in 2005 with over 20 years of experience in R&D, manufacturing, and marketing of power electrical testing products. Our solutions are widely used in power electric, railroad, energy conservation, environment protection, water conservancy, petrochemical industry, and aerospace sectors.
Our facilities include R&D department, instruments manufacturing workshop, HV workshop, sample exhibition room, HV testing laboratory, quality control department, and sales departments. With over 80 employees including 20 technical engineers, we maintain ISO9001 quality system certification and ensure all products conform to international IEC and Chinese state standards.
Frequently Asked Questions
Q1: Is your company a sales company or a manufacturer?
A: Sansion Power Electric Co., Ltd. is an industrial and trade enterprise with our own factory, established in 2005. We have twenty years of production experience with reliable production lines, test rooms, and R&D centers.
Q2: Whether the goods are in stock, whether they can be customized, and how long the delivery time is?
A: We manufacture to order according to customer specifications using the latest technology. Delivery time is typically within 10 working days under normal circumstances.
Q3: Is the quality guaranteed?
A: We use imported components and conduct three quality inspections before shipment. All exports are packed in non-fumigation wooden boxes to ensure product integrity.
Q4: What are the after-sales terms?
A: We offer free consulting service, one-year warranty, and comprehensive support through email communication, video calls, and on-site technical assistance to resolve any after-sales issues promptly.
Q5: What are the cooperative countries or regions?
A: Our products have been successfully exported to the United States, France, Brazil, Australia, Spain, Portugal, Oman, Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia, and other countries and regions.
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