VIND-75KVA/75KV High Voltage Oil-Immersed Resonant Transformer System: AC Withstand Voltage Source for Industrial Frequency Dielectric Testing
Product Details：
1. Basic Product Information
Item Details
Brand VINDAION
Model VIND-75KVA/75KV
Product Name Series Resonant Induced Voltage Test System / Withstand Voltage Test Transformer / Step-Up Transformer / Oil-Immersed Power Frequency High Voltage Source
Origin Wuhan, China
Application Professional AC withstand voltage testing for power equipment, cables, transformers, GIS, and high-voltage electrical components
2. Core Technical Specifications
Parameter Specification
Environmental Conditions
Ambient Temperature -10℃ ~ 45℃
Working Humidity ≤90%
Altitude ≤2000m
Power Supply
Input Voltage 380V±10% (Three-phase) / 220V±10% (Single-phase, for <10kW systems), 50Hz
Test Performance
Rated Test Capacity 0 ~ 5000kVA (Customizable)
Resonant Test Voltage 0 ~ 1000kV (Customizable, standard model: 110kV/270kVA/270kV)
Frequency Adjustment Range 0.1 ~ 300Hz
System Measurement Accuracy Class 1.0 (1.0 级)
Frequency Adjustment Resolution 0.02Hz
Instability ≤0.05%
Output Waveform Pure Sine Wave
Waveform Distortion Rate ≤0.5%
Noise Level ≤60dB
Reactor Q Value 30 ~ 120
Power Supply Type Plug-in
3. System Composition
The complete set of equipment consists of the following core components:
Variable Frequency Voltage Regulating Power Supply: Adjustable output frequency and voltage, serving as the system's control and power source.
Excitation Transformer: Couples input signals, performs voltage transformation, and boosts output voltage.
Resonant Reactor: Connected in series/parallel with the test object to form an LC resonant circuit, achieving high-voltage output.
Voltage Divider: Measures the voltage on the test object and feeds back sampling signals to the instrument.
Compensation Capacitor: Used to adjust the resonant frequency of the test object.
4. Key Product Features
High Resonance Stability: Adopts advanced frequency tracking technology, with ultra-low instability (≤0.05%) and high reactor Q value (30~120), ensuring stable and reliable test results.
Wide Application Range: Supports 0.1~300Hz frequency adjustment, suitable for induced voltage withstand tests on transformers, cables, GIS, generators, and other large-capacity capacitive test objects.
High Safety & Reliability: Equipped with over-voltage, over-current, zero-position start, and flashover protection, with acousto-optic alarm functions to ensure personal and equipment safety.
Low Input Power Requirement: Only requires 1/Q of the test capacity for input power, significantly reducing power supply requirements, ideal for on-site testing.
Modular & Portable Design: Split modular structure, easy to transport and assemble, suitable for field power testing in various environments.
High Test Accuracy: Class 1.0 measurement accuracy, ≤0.5% waveform distortion rate, meeting national and international power test standards.
Customizable Capacity: Supports customized test capacity (05000kVA) and voltage (01000kV) to meet different test requirements.
5. Packaging & Shipping Information
Item Specification
Gross Weight 90000g (90kg, for standard VIND-75KVA/75KV model)
Structure Split modular design for easy transportation
6. Application Scenarios
Power grid operation departments, power equipment manufacturing enterprises, power substations, power maintenance companies, scientific research institutes, and colleges and universities for AC withstand voltage tests of high-voltage power equipment.
