HZDPS-34kV VLF AC Hipot Tester With Tangent Delta
HZDPS-34kV VLF AC Hipot Tester With Tangent Delta
HZDPS-34kV VLF AC Hipot Tester With Tangent Delta
VLF AC Hipot Tester Technical Parameters
Our company is proud to introduce the new generation of our VLF hipot tan delta tester. This instrument incorporates the latest American technology in its self-developed core components, representing a significant advancement in ultra-low frequency testing capabilities.
The generator is equipped with a 7-inch touchscreen interface, powered by the latest ARM7 microcontroller and a high-speed AD acquisition circuit, ensuring precise control and accurate measurements. It also comes with comprehensive background management software for efficient data handling and analysis.
The generator is specifically designed for voltage testing of electrical equipment characterized by large insulation equivalent capacitance, including power cables, power capacitors, large and medium-sized generators, and motors.
The product is manufactured in full compliance with the requirements of the national power industry standard DL/T 849.4-2004 General Technical Conditions for Ultra-Low Frequency High Voltage Generators.
Voltage (Peak)
| Item | Specification |
| Voltage Range | 0 – 34 kV |
| Resolution | 0.1 kV |
| Accuracy | 1% |
| Waveform | ULF sine wave / DC voltage |
| Peak error | ≤ 3% |
| Distortion | ≤ 1% |
| Frequencies | 0.1 / 0.05 / 0.02 Hz |
| Load (ULF) | 0 nF – 10 µF |
| Current Range | 0 – 70 mA |
| Current Resolution | 1 µA |
| Current Accuracy | 1% |
| Tan‑Delta Test Voltage | 1 – 34 kVrms (ULF sine wave) |
| Tan‑Delta Load Range | 50 nF – 5 µF |
| Tan‑Delta Resolution | ≥ 1×10⁻⁶ |
| Tan‑Delta Accuracy | ≥ 1×10⁻³ |
| Tan‑Delta Measuring Range | 1×10⁻³ – 21000×10⁻³ |
| Tan‑Delta Measurement Frequency | 0.1 Hz |
| Measurable Capacitance | 50 nF – 5 µF |
| Measurable Resistance | 30 MΩ – 10 GΩ |
| Dimensions | 48 × 28 × 58 cm |
| Weight | 45 kg |
| Application Environment | Indoor/outdoor, –10 to +40 °C, ≤ 85% RH |
| Power Supply | 50/60 Hz, 100 – 260 V ±5%; Rated: 220 V ±5%, 50 ±5 Hz |
| Interface | USB port |
Main Technical Parameters of VLF Series Ultra-low Frequency High-voltage Generator
Advanced Technology: Employs digital frequency conversion technology and microcomputer control. The test process-including boost, buck, measurement, and protection-is fully automated.
Simple Operation: Straightforward wiring and user-friendly interface.
Comprehensive Protection: Multiple protection functions (overvoltage protection, HV and LV overcurrent protection) with rapid response (action time ≤ 10 ms) ensuring safe and reliable operation.
Safe & Reliable: The low-voltage connection between the controller and the high-voltage generator utilizes optoelectronic control, guaranteeing safe and dependable use.
Negative Feedback Control: High-voltage and low-voltage closed-loop negative feedback control circuit eliminates capacity rise effects in the output.
Complete Configuration: Equipped with capacitive touchscreen, English LCD character display, automatic data storage, and automatic printing.
Wide Measurement Range: Supports multiple frequency selections (0.1 Hz, 0.05 Hz, 0.02 Hz) for broad testing applicability.
User-Friendly Features: Chinese/English language switching and USB functionality.
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