Primary Transformer Pressure Test Device| XHDY205
The transformer is the most critical bridge connecting primary equipment and secondary equipment, and is the basis for monitoring, analysis and control of secondary equipment. In particular, the transformers of intelligent substation use photoelectric transformers. In order to investigate the phase polarity of the photoelectric transformers and the differential protection action of the main transformer, it is important to test the primary side of the substation.
The device mainly applies voltage from the primary circuit of the substation, and tests the voltage circuit of the whole station through different wiring methods. The method is applied in the substation debugging process, which greatly improves the efficiency of commissioning work and the success rate of commissioning.
Applications & Target Audience: Engineered for smart substation project commissioning and acceptance teams, relay protection debugging engineers, photoelectric transformer (ECT/EVT) manufacturers' field service teams, power grid construction and handover test units, and secondary equipment integration companies that must verify phase polarity and differential protection action before energization. By injecting voltage from the primary circuit, the XHDY205 is positioned as a specialized primary-side commissioning instrument for intelligent substations, distinct from routine transformer oil testers and winding diagnostic analyzers in the same category.
Key Specifications
| Parameter |
Specification |
| Output Voltage |
6.6kV, 11kV (two-grade design) |
| Output Accuracy |
2.5 level |
| Output Power |
2000W |
| Working Voltage |
AC220V ± 10%, 50Hz ± 5Hz |
| Output Line |
10m, withstand voltage 15kV |
| Fuse |
6A |
| Dimensions |
415 x 315 x 390 mm |
| Weight |
32.5 kg |
Advanced Features
Friendly UI design, it's easy to operate;
Small size and light weight, which is especially suitable for the on-site testing;
Large-capacity output, two-grade voltage design, makes the product has a strong adaptability;
The pointer indicator design is clear to understand;
The fool-like design only needs to turn on the power, no need to adjust;
Special high-voltage output wire, it's safe and reliable;
Standards & Compliance
The XHDY205 is designed in accordance with substation commissioning practice for primary-side voltage injection testing, supporting the verification of phase polarity and differential protection action required before energization of intelligent substations. Each unit is delivered with a warranty certificate and after-sales service support, and customization is available to match specific project requirements.
This instrument provides commissioning engineers with a reliable, efficient solution for primary-side testing, helping shorten substation debugging cycles and improve the success rate of commissioning work.
FAQ
Q1: What is the XHDY205 used for?
It applies voltage from the primary circuit of a substation and tests the voltage circuit of the whole station through different wiring methods. It is used during substation commissioning to investigate the phase polarity of photoelectric transformers and verify the differential protection action of the main transformer, greatly improving commissioning efficiency and success rate.
Q2: What output voltages does it provide?
It provides 6.6kV and 11kV two-grade voltage output with 2.5 level accuracy and 2000W output power, giving the device strong adaptability to different substation primary voltage levels.
Q3: Is it suitable for on-site commissioning work?
Yes. It has a small size and light weight (415 x 315 x 390 mm, 32.5 kg), a friendly UI with clear pointer indicator design, and a fool-proof operation that only requires turning on the power with no adjustment needed, making it especially suitable for on-site testing.
Q4: What are the power requirements and safety features?
It works with AC220V ± 10%, 50Hz ± 5Hz and a 6A fuse. The special high-voltage output wire is 10m long with 15kV withstand voltage, ensuring safe and reliable connection during primary-side testing.
Q5: Can the device be customized for specific projects?
Yes. Customization is available to match specific project requirements, and each unit is delivered with a warranty certificate and after-sales service support.
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