Product Description
The YDQ Power Frequency Withstand Voltage Test Device is designed for high-voltage insulation testing of electrical equipment and insulating materials. It provides a practical solution for verifying whether the tested equipment can withstand specified AC power-frequency or DC high-voltage stress without insulation breakdown.
The system mainly includes a control cabinet or operating console and a high-voltage test transformer. Both units can be configured and combined according to the required output voltage, test capacity, and specific application conditions, providing greater flexibility for different testing projects.
Main Features
- Wide-Ranging Configuration: A complete range of specifications is available, with the control console and high-voltage transformer capable of flexible combination to meet different testing requirements.
- Space-Efficient Construction: The equipment adopts an optimized structural layout, offering a practical balance between compactness, functionality, and ease of operation.
- AC/DC Testing Capability: Designed to perform both AC and DC withstand voltage tests, with a portable configuration suitable for different testing locations.
- Scalable High-Voltage Output: Individual transformer units can be used independently or connected in series to achieve higher test voltage requirements.
- Flexible Operation Methods: Supports manual adjustment, electric control, automatic operation, and industrial PC-based control for different testing scenarios.
- Test Data Connectivity: Printer, USB interface, and computer communication functions can be selected for convenient data recording, transfer, storage, and analysis.
- Application-Specific Insulation Options: Oil-filled, dry-type epoxy resin, SF₆-insulated, and corona-free configurations are available to adapt to different environmental and testing conditions.
Application
- Substation Commissioning & Maintenance: Used for acceptance testing, commissioning verification and scheduled preventive withstand-voltage tests of power supply systems and substations.
- HV Equipment Dielectric Testing: Suitable for evaluating the insulation strength of high-voltage switchgear, transformers, CTs/PTs, surge arresters, cables, bushings and other electrical apparatus.
- Manufacturer Quality Control: Applied to factory inspection and type testing of insulating materials, high-voltage components and electrical equipment to verify dielectric performance.
- Industrial HV System Testing: Ideal for routine maintenance and insulation testing in power plants, railway systems, mining operations, metallurgical plants and other industrial environments.
- Academic & R&D Applications: Provides testing capabilities for universities, laboratories and research organizations engaged in high-voltage insulation studies and electrical engineering research.
FAQ
1. What is a Power Frequency Withstand Voltage Test Set?
A Power Frequency Withstand Voltage Test Set is high-voltage testing equipment used to check the insulation capability of electrical apparatus under AC voltage at power frequency. It applies a specified test voltage to the test object for a required duration to evaluate its insulation withstand performance. The system generally includes a high-voltage test transformer and a control unit.
2. What products can be tested with this equipment?
It can be used for insulation withstand testing of various high-voltage electrical products, such as power transformers, current transformers, voltage transformers, bushings, insulators, switchgear, circuit breakers, cables, and other power equipment. It is suitable for utilities, electrical manufacturers, laboratories, testing centers, and industrial facilities.
3. What test transformer options are available?
Different transformer structures are available for different testing requirements. The available options include lightweight test transformers, dry-type transformers, oil-immersed transformers, gas-type transformers, insulating-cylinder transformers, and corona-free transformers. The suitable configuration can be selected according to the required voltage, capacity, insulation level, and working environment.
4. Can I purchase the transformer and control unit together?
Yes. The control section and high-voltage test section can be supplied as a complete set. Customers can choose the control method according to their operating requirements. Available options include pointer-type, digital-display, manual, electric, intelligent, and industrial-PC control systems. The complete equipment can be customized to match specific testing applications.
5. Can the test set be used at different locations?
Yes. The equipment can be configured for both fixed and mobile applications. Laboratory models can be designed for continuous testing and higher-capacity requirements, while field-testing configurations can focus on compact construction, easier transportation, and convenient installation. The final configuration depends on the test voltage, test object, and site conditions.
