6 Phase Relay Protection Tester
The ZWJD1200 is an advanced 6-phase relay protection tester featuring precise 6-phase current and 6-phase voltage outputs.
Equipped with a DSP and FPGA architecture, it delivers exceptional waveform quality for testing complex microcomputer protections, transformer differential relays, and automatic switching systems.
Product Overview
The ZWJD1200 6 Phase Relay Protection Tester is a high-performance secondary injection test set engineered for the commissioning and maintenance of modern electrical protection systems.
With true 6-phase voltage and 6-phase current capabilities, it expertly handles complex protective configurations, including advanced transformer differential protections and standby automatic switching devices (SASD).
Incorporating an embedded industrial computer and a high-fidelity linear amplifier, it provides power engineers with a reliable, highly accurate, and user-friendly testing platform for substations and industrial networks compliant with IEC standards.
Functions and Value:
1. True 6-Phase Outputs: Delivers 6-phase voltage (120 V/phase) and 6-phase current (30 A/phase) simultaneously, easily satisfying the rigorous demands of multi-phase microcomputer protection and complex busbar differential testing.
2. High-Precision Signal Processing: Utilizes a core DSP and FPGA architecture combined with a 16-bit DAC to generate 2000-point high-density sine waves per cycle, ensuring superior test accuracy and harmonic stability.
3. Linear Power Amplification: Employs a direct-coupled, high-fidelity linear power amplifier to provide stable large-current fault simulation while maintaining precise control over small-current relay operations.
4. Independent DC Supply: Features a dedicated auxiliary DC power source (compatible with 110 V and 220 V) for directly powering protective devices on-site, eliminating the need for bulky external DC generators.
5. Automated Software Calibration: Integrates advanced auto-calibration software to maintain long-term testing precision without requiring manual chassis disassembly or hardware potentiometer adjustments.
6. Embedded Industrial Control: Features a 10.4-inch true-color LED display and an integrated Windows XP operating system, enabling seamless standalone operation and efficient fault simulation data management.
Technical Details
| Parameter | Specification |
|---|---|
| Model | ZWJD1200 |
| AC Current Output | 0~30 A/phase (6 phases), 0~180 A (six-phase parallel) |
| AC Voltage Output | 0~120 V/phase (6 phases), 0~240 V (line voltage) |
| DC Current Output | 0~±10 A/phase |
| DC Voltage Output | 0~±160 V/phase, 0~320 V (line voltage) |
| Output Frequency | 0~1000 Hz, accuracy 0.01 Hz |
| Phase Range | 0~360°, accuracy 0.1° |
| Harmonic Output | 2nd to 20th harmonic |
| Time Measurement | 1 ms–9999 s |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Weight | Approx. 15.5 kg |
Model Selection Guide
| Model | Rated Voltage (Peak) | Maximum Load Capacity | Key Difference |
|---|---|---|---|
| ZWVLF-30 | 30kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Basic configuration for lower voltage |
| ZWVLF-40 | 40kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Extended voltage range |
| ZWVLF-50 | 50kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Suitable for 10kV cable testing |
| ZWVLF-60 | 60kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Includes auxiliary external cylinder |
| ZWVLF-80 | 80kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Standard for 35kV cable testing |
| ZWVLF-90 | 90kV | 0.1Hz ≤ 0.5µF, 0.01Hz ≤ 5.5µF | Maximum capacity testing |
Recent Work
Parts List
| Item NO. | Max Current | Measuring Range | Main Features | Recommended Application |
|---|---|---|---|---|
| GDZR-10A | 10A | 100μΩ - 20KΩ | Portable, built-in discharge alarm | Small to medium distribution transformers |
| GDZR-20A | 20A | 10μΩ - 10KΩ | High-speed testing, heat dissipation | Medium-sized power transformers |
| GDZR-40A | 40A | 1μΩ - 2KΩ | Dual-channel measurement, high current | Large-scale power transformers |
| GDZR-40A | Three-Phase 10A | 100μΩ - 10KΩ | Three-phase simultaneous measurement | Yn-type transformers, time-saving |
Product Video
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Frequently Asked Questions
Contact our engineers for technical support and application guidance.
It is specifically designed to test traditional relays, complex microcomputer protections, transformer differential systems, and standby automatic switching devices (SASD).
The tester delivers up to 30 A per phase across 6 phases, and these channels can be connected in parallel to achieve a maximum output of 180 A for demanding high-current fault tests.
No, it features a built-in industrial computer with a 10.4-inch LED display and Windows operating system for standalone operation, though it can also connect to external laptops via USB.
The equipment utilizes integrated software calibration technology to adjust testing accuracy automatically without opening the chassis, ensuring high measurement stability and reducing maintenance downtime.
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