Wrindu Transformer Load and No-Load Tester (RDBK-III)
The Wrindu Transformer Load and No-Load Tester (RDBK-III) offers accurate impedance measurement, user-friendly operation, and portability for transformer testing in field and lab settings.
| Feature | Description |
|---|---|
| Brand | Wrindu |
| Product Origin | Shanghai, China |
| Delivery Time | Approximately 10 working days |
| Supply Capacity | 1000 sets per month |
| Model | RDBK-III |
| Voltage Rating | Suitable for transformers with voltage ratings of 35kV and above |
| Applications | Ideal for load and no-load testing, impedance analysis, and diagnostics in transformers |
Key Features of the RDBK-III Transformer Load and No-Load Tester
| Feature | Description |
|---|---|
| Versatile Impedance Measurement | Measures single-phase, three-phase, and zero-sequence impedance (including neutral connection) |
| Intelligent Calculation | Automatically calculates impedance voltage percentages and deviation from manufacturer specs |
| Data Adjusted for Consistency | Automatically adjusts for frequency, temperature, and current to ensure accurate comparisons |
| Flexible Power Options | Operates on internal power supply or can be connected to an external single-phase voltage regulator |
| Broad Measurement Range | Voltage range: 15V to 500V; Current range: 0.5A to 50A |
| User-Friendly Interface | 7.0-inch color touchscreen for easy operation and data input |
| Data Storage and On-Demand Printing | Stores up to 160 test results and includes a high-speed thermal printer for immediate results |
| Efficient Data Transfer | USB port for easy data transfer to computers for further analysis and archiving |
| Precise Timekeeping | Built-in high-precision clock for accurate time tracking during tests |
Technical Specifications
| Specification | Details |
|---|---|
| Voltage Range | 15V ~ 500V (PT extension) |
| Accuracy | ±(0.2% rdg ± 0.05% f.s) |
| Current Range (Internal) | 0.5A ~ 15A |
| Current Range (External) | 0.5A ~ 50A (with CT extension) |
| Impedance Range | 0 ~ 100% |
| Power Factor Measurement | 0.02 < Cos φ < 0.1, Accuracy: ±(1.0% rdg ± 0.05% f.s) |
| Cos φ ≥0.1, Accuracy: ±(0.5% rdg ± 0.05% f.s) | |
| Frequency Measurement | 45 ~ 65Hz |
| Resolution | 5 significant digits |
| Operating Temperature | -10°C to 50°C |
| Humidity | ≤85% RH (non-condensing) |
| Operating Power Supply | AC 220V ± 10% |
Compact, Portable Design for On-Site Use
| Feature | Description |
|---|---|
| Portability | Compact size and lightweight design for easy transportation and on-site testing |
| User-Friendly | Reduces physical strain on technicians while increasing testing efficiency |
Applications
| Application Area | Description |
|---|---|
| Transformer Testing | Ideal for load and no-load testing of transformers, especially those rated 35kV+ |
| Impedance Analysis | Efficient measurement of short-circuit impedance and zero-sequence impedance |
| Maintenance & Diagnostics | Essential for regular transformer maintenance, inspection, and diagnostic testing |
Why Choose the Wrindu RDBK-III Transformer Load and No-Load Tester?
| Reason | Benefit |
|---|---|
| High Measurement Accuracy | Ensures reliable results for precise transformer testing |
| Portable Design | Easy to carry for field testing, reducing strain and improving efficiency |
| Comprehensive Testing Features | Provides full impedance analysis, voltage, current, and power factor measurement |
| Efficient Data Management | Offers robust storage, printing, and data transfer capabilities for easy analysis and record-keeping |
FAQs
What is the primary purpose of the Transformer Load and No-Load Tester?
A: The primary purpose is to measure key transformer parameters such as no-load loss, load loss, short-circuit impedance, and zero-sequence impedance. It is especially useful for low voltage short-circuit impedance testing in transformers with voltage ratings of 35kV and above.
How accurate are the measurements from the tester?
A: The tester provides high accuracy, with voltage and current measurements accurate to ±(0.2% rdg ± 0.05% f.s). It ensures precise results across a wide range of measurements, making it reliable for transformer diagnostics.
Can the tester handle different types of transformers?
A: Yes, the tester is versatile and can be used for single-phase, three-phase, and zero-sequence impedance testing, making it suitable for various transformer types, especially those rated 35kV and above.
Is the tester easy to use in the field?
A: Absolutely. The Transformer Load and No-Load Tester features a portable, compact design, a user-friendly 7-inch touchscreen, and quick data printing capabilities, making it ideal for on-site use, reducing strain on technicians.
Can I store and transfer test results?
A: Yes, the tester has built-in storage for up to 160 sets of data and allows easy transfer of test results to a computer via USB. Additionally, it features an integrated high-speed thermal printer for on-the-spot printing of test results.
The Wrindu Transformer Load and No-Load Tester (RDBK-III) offers an ideal combination of high performance, portability, and easy operation. Whether you are testing transformers in the lab or out in the field, this tool will elevate your testing process and improve operational efficiency.
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