Single Phase Transformer Low Voltage Impedance Voltage Analyzer Transformer Short Circuit
This instrument provides the most direct method for assessing whether transformer windings have deformed after being subjected to short-circuit current impacts or mechanical shocks during transportation and installation. It plays a crucial role in determining whether a transformer can be put into service and serves as a key criterion for deciding if disassembly inspection is required.
Our independently developed next-generation transformer parameter measurement instrument is designed for low-voltage short-circuit impedance measurements on 35kV and higher-voltage main transformers under both field and laboratory conditions. Featuring a compact design and powerful functionality, it incorporates a built-in 2000W adjustable power supply and utilizes advanced A/D synchronous AC sampling and digital signal processing technology for highly accurate measurement data.
- Three-phase short-circuit impedance measurement with automatic calculations
- Single-phase short-circuit impedance measurement capability
- Zero-sequence impedance measurement for star-connected transformers
- Direct measurement within instrument range with external transformer support
- 7-inch high-brightness touchscreen color LCD with Chinese/English language support
- Built-in 2000W AC adjustable power supply with automatic voltage regulation
- 232 interface for external functionality expansion
- Integrated printer for displaying and printing measured data
- Built-in memory stores up to 200 sets of measurement data
- USB port for data access and storage
- Permanent calendar and clock functions
- Android compatibility with dedicated app for remote control
| Parameter | Range/Value | Accuracy |
|---|---|---|
| Voltage (Auto Range) | 15-900V | ±(reading * 0.2% + 3 digits) |
| Current (Auto Range) | 1A-100A | ±(reading * 0.2% + 3 digits) |
| Power | COSΦ > 0.15 | ±(reading * 0.5% + 3 digits) |
| Frequency | 45-55 Hz | ±0.1% |
| Short-circuit Impedance | 0-100% | ±0.5% |
| Display | 4-digit display | |
| Built-in Power Supply | 2000W AC, 0-220V, 10A | |
| Parameter | Specification |
|---|---|
| Ambient Temperature | -10℃ to 40℃ |
| Relative Humidity | ≤85% RH |
| Operating Power Supply | AC 220V ±10%, 50Hz ±1Hz |
| Dimensions (Main Unit) | 360 * 290 * 170 mm |
| Dimensions (Cable Box) | 360 * 290 * 170 mm |
| Weight (Main Unit) | 4.9 kg |
| Weight (Cable Box) | 5.2 kg |
| Test Cable Length | Standard 8 meters (custom lengths available) |
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