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GDYT-A-15kVA/150kV Intelligent PD-Free Test Complete Set
GDYT-A-15kVA/150kV Digital Intelligent Partial Discharge-Free Test Complete Set with Integrated PD-Free Transformer, Intelligent Control Console, Isolation Filter, Coupling Capacitor and Digital PD Detector, <1pC System Background Noise, One-Click Operation, for 110kV and Below Electrical Equipment Type Tests and Factory Inspection.
- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The GDYT-A-15kVA/150kV is a professional-grade, fully integrated intelligent PD-free test systemexclusively designed for power frequency withstand voltage and partial discharge tests of 110kV and below high-voltage electrical equipment. It fully complies with IEC 60270:2015, GB/T 7354-2018 and DL/T 848.3-2019 standards, adopting an all-system PD-free design that includes six core components: PD-free test transformer, intelligent control console, isolation filter transformer, coupling capacitor, protective resistor and digital partial discharge detector.
The system features an industry-leading <1pC system background noise, ensuring accurate detection of extremely weak partial discharge signals from the test object. Its innovative PLC+10-inch touch screen intelligent control system supports one-click completion of the entire test process including voltage boosting, withstand voltage timing, partial discharge detection and voltage reduction. The integrated GDJF-2007 digital partial discharge detector provides professional PD analysis functions including PRPD maps, spectrum analysis and automatic discharge type identification. Equipped with comprehensive safety protection functions such as overvoltage, overcurrent, flashover and short circuit protection, it ensures the safety of operators and equipment during high-voltage tests. The modular design allows for easy transportation and on-site assembly, making it suitable for both laboratory type tests and on-site acceptance tests. Ideal for factory type tests, outgoing quality control, third-party arbitration tests and power company on-site acceptance tests of power transformers, GIS, high-voltage cables, instrument transformers, surge arresters and other high-voltage electrical equipment.
Specifications
| Parameter | Specification |
|---|---|
| System Parameters | |
| Compliance Standard | IEC 60270:2015, GB/T 7354-2018, DL/T 848.3-2019 |
| System Background Noise | <1pC |
| Test Modes | Power frequency withstand voltage test, Partial discharge test |
| Operation Modes | Fully automatic mode, Manual mode |
| High Voltage Power Supply | |
| Rated Capacity | 15kVA |
| Input Voltage | AC 380V±10%, 50Hz, three-phase four-wire |
| Output Voltage | 0 ~ 150kV AC (continuous adjustable) |
| Output Current | 0 ~ 100mA |
| Voltage Regulation Accuracy | ±1% |
| Waveform Distortion | <3% |
| Rated Operation Time | 30 minutes continuous at rated load |
| PD Detection Parameters | |
| PD Detector Model | Integrated GDJF-2007 |
| Sampling Rate | 100MS/s per channel |
| Resolution | 12-bit |
| Detection Sensitivity | 0.1pC |
| Measurement Range | 0.1pC ~ 10000nC |
| Dynamic Range | >80dB |
| Frequency Bands | 9 standard combinations (10kHz~1MHz) |
| Map Display | PRPD, waveform, spectrum, pulse count, trend |
| Control Parameters | |
| Control Architecture | PLC + 10-inch industrial touch screen |
| Timing Range | 0 ~ 9999s (adjustable) |
| Data Storage | Unlimited internal storage |
| Report Generation | Automatic Word/PDF report generation |
| Communication | USB, LAN |
| Safety Protection | |
| Overvoltage Protection | Yes (adjustable threshold) |
| Overcurrent Protection | Yes (adjustable threshold) |
| Flashover Protection | Yes |
| Short Circuit Protection | Yes |
| Zero Position Protection | Yes |
| Door Interlock Protection | Yes |
| Emergency Stop Button | Yes |
| General Parameters | |
| Power Consumption | <20kW |
| Total Weight | ~350kg (complete set) |
| Modular Design | Yes (6 independent modules) |
| Quick Connection | Yes (standardized connectors) |
| Wheeled Design | Yes (all components) |
| Operating Temperature | -10℃ ~ +50℃ |
| Operating Humidity | ≤90% RH (non-condensing) |
| Altitude | ≤2000m |
Applications
Core Test Objects
- Power transformers: 10kV~110kV oil-immersed and dry-type power transformers
- GIS equipment: 110kV and below GIS and HGIS gas insulated switchgears
- High-voltage cables: 10kV~110kV XLPE power cables, cable terminals and joints
- Instrument transformers: 10kV~110kV current transformers (CT) and voltage transformers (VT)
- Surge arresters: 10kV~110kV zinc oxide surge arresters
- Other equipment: Capacitors, reactors, bushings, high-voltage switches
Typical Usage Scenarios
- Electrical equipment manufacturers: Factory type tests and outgoing quality control
- Third-party testing institutions: Arbitration tests and compliance certification
- Power companies: High-voltage equipment acceptance tests and fault diagnosis
- Power engineering companies: Power grid construction and renovation project acceptance
- Technical schools and universities: Teaching and demonstration experiments
Advantages
Compliance with International Arbitration Standards
Fully meets IEC 60270:2015 standard, test results are globally recognized and legally valid → can be used as arbitration basis for quality disputes
Industry-Leading <1pC System Background Noise
All components are PD-free optimized, ensuring the purest test voltage → accurately detects extremely weak partial discharge signals in the test object
One-Click Full Process Automation
Automatically completes the entire test process without manual intervention → greatly improves test efficiency, ideal for batch production lines
Integrated Professional PD Detection
No need for separate PD detector purchase and connection → reduces system complexity and total investment cost
Comprehensive Safety Protection System
Multiple protection functions and safety interlocks → ensures the safety of operators and equipment during high voltage testing
Modular Design & Easy Transportation
Quick assembly and disassembly, wheeled design → suitable for both laboratory fixed use and on-site mobile testing
Standardized Automatic Report Generation
Generates IEC-compliant test reports with one click → eliminates manual report writing, ensures data consistency and traceability
High Cost-Effectiveness
Provides complete PD and withstand voltage test capability at a price only 70% of imported systems → the most cost-effective solution for electrical equipment manufacturers
FAQ
Q: What is the system background noise of GDYT-A-15kVA/150kV?
A: The system adopts an all-system PD-free design. The partial discharge of each component is strictly controlled: test transformer <0.5pC, coupling capacitor <0.3pC, protective resistor <0.2pC. The total system background noise is <1pC at rated voltage, which meets the IEC 60270 arbitration level requirements.
Q: What components are included in the complete set?
A: The complete set includes six core components:
- GDYT-A-15kVA/150kV PD-free test transformer
- Intelligent control console (with built-in PLC and touch screen)
- 15kVA isolation filter transformer
- OWF-150kV/1000pF PD-free coupling capacitor
- BR-150kV/10kΩ PD-free protective resistor
- Integrated GDJF-2007 digital partial discharge detector
Q: Can it automatically complete the entire test process?
A: Yes. The system supports one-click fully automatic operation. Users only need to set the test voltage, withstand time and PD threshold, and the system will automatically complete voltage boosting, withstand voltage timing, PD detection, voltage reduction and report generation without manual intervention.
