EN
GDPD-414 Portable Partial Discharge Diagnostic Analyzer
GDPD-414 Digital Intelligent Portable Partial Discharge Diagnostic Analyzer with 4-Channel Synchronous Acquisition, 250MHz High-Speed Sampling, DSP/FPGA Hardware Acceleration, Multi-Sensor Compatibility, Smart Quick Cloud Platform Integration, for 10kV-500kV Power Equipment Deep Partial Discharge Diagnosis and Fault Location.
- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The GDPD-414 is a professional-grade, field-optimized portable partial discharge diagnostic instrumentexclusively designed for deep insulation defect diagnosis and accurate fault location of high-voltage power equipment. It fully complies with DL/T 1432.3-2016, DL/T 1982-2019 and IEC 60270:2015 standards, adopting a self-developed high-speed DSP/FPGA sampling board to achieve 4-channel synchronous data acquisition and real-time signal processing.
The instrument features a modular design that is fully compatible with TEV, AE, UHF and HFCT sensors, allowing simultaneous configuration of 4 channels of the same or different sensors to meet the testing needs of various equipment types. Its built-in expert diagnosis system can automatically analyze discharge types, judge severity levels and locate fault positions based on multi-dimensional data. Equipped with dual operation modes (8.1-inch industrial touch screen + optional laptop), it supports both on-site quick testing and laboratory in-depth analysis. The integrated Smart Quick cloud platform enables remote data upload, sharing and equipment full life cycle management. With an all-in-one engineering chassis design weighing less than 8kg and a 12-hour long-lasting battery, it is ideal for both on-site diagnosis and laboratory research. Ideal for deep defect diagnosis, fault location, factory type tests, scientific research and acceptance tests of switchgears, GIS, power transformers, high-voltage cables, instrument transformers and other power equipment.
Specifications
| Parameter | Specification |
|---|---|
| System Parameters | |
| Sampling Architecture | Self-developed DSP/FPGA hardware acceleration board |
| Synchronous Channels | 4 independent channels (6/8/16 channels optional) |
| Sampling Rate | 250MS/s per channel |
| Resolution | 12-bit |
| Synchronization Modes | Internal synchronization, Power synchronization, Optical synchronization (optional) |
| Operating System | Linux embedded system (standalone mode) / Windows (PC mode) |
| Display | 8.1-inch high-brightness industrial touch screen |
| Storage | 512M internal storage + unlimited cloud storage |
| Communication | LAN, WIFI (optional), USB 2.0 |
| Cloud Platform | Smart Quick cloud platform integration |
| TEV Detection | |
| Frequency Range | 3MHz – 100MHz |
| Measurement Range | 0 – 60dBmV |
| Accuracy | ±1dBmV |
| Resolution | 1dBmV |
| AE Detection | |
| Frequency Range | 20kHz – 200kHz |
| Measurement Range | 0 – 60mV (AE) / 0 – 60dBuV (AA) |
| Sensitivity | 0.01mV |
| UHF Detection | |
| Frequency Range | 300MHz – 1800MHz |
| Measurement Range | -80 – 10dBm |
| Accuracy | ±1dBm |
| HFCT Detection | |
| Frequency Range | 0.5MHz – 100MHz |
| Transmission Impedance | >15mV/mA (10MHz) |
| Dynamic Range | 60dB |
| Accuracy | ±1dB |
| General Parameters | |
| Expert Diagnosis | Yes (discharge type identification, severity judgment, fault location) |
| Map Display | PRPD, PRPS, waveform, spectrum, pulse count, trend, 3D map |
| Report Generation | Automatic Word/PDF report generation |
| Language Support | Chinese/English bilingual |
| Power Supply | Built-in 12V/6000mAh lithium battery + AC 220V±10%, 50Hz |
| Battery Life | ≥12 hours continuous operation |
| Charging Time | ≤6 hours (full charge) |
| Dimensions | 420×320×150mm (L×W×H) |
| Weight | <3kg (main unit), <8kg (complete set) |
| Operating Temperature | -20℃ ~ +60℃ |
| Operating Humidity | 0 – 90% RH (non-condensing) |
| Altitude | ≤2000m |
| Compliance | DL/T 1432.3-2016, DL/T 1982-2019, IEC 60270:2015, GB/T 7354-2018 |
Applications
Core Test Objects
- Switchgears & ring main units: 10kV-35kV indoor/outdoor switchgears and ring main units
- GIS equipment: 110kV-500kV GIS and HGIS gas insulated switchgears
- Power transformers: 10kV-500kV oil-immersed and dry-type power transformers
- High-voltage cables: 10kV-220kV XLPE power cables, cable terminals and joints
- Instrument transformers: 10kV-220kV current transformers (CT) and voltage transformers (VT)
- Other equipment: Reactors, surge arresters, overhead lines
Typical Usage Scenarios
- Power companies: Substation deep defect diagnosis and fault location
- Defect diagnosis teams: Accurate partial discharge fault location and analysis
- GIS manufacturing plants: Factory type tests and outgoing quality control
- Transformer manufacturing plants: Partial discharge tests during production and delivery
- Scientific research institutes: Partial discharge mechanism research and standard formulation
- Power engineering companies: Power grid construction and renovation project acceptance
Advantages
Compliance with International Standards
Fully meets DL/T 1432.3-2016, DL/T 1982-2019 and IEC 60270:2015 standards → test results are globally recognized and can be used as arbitration basis
Industry-Leading 4-Channel Synchronous Acquisition
Simultaneously collects 4 channels of signals, supports multi-point synchronous testing → realizes partial discharge fault location through time difference of arrival (TDOA) technology
250MHz High-Speed Sampling & DSP/FPGA Acceleration
Captures high-frequency transient partial discharge signals, real-time hardware processing → avoids signal distortion and loss, ensures accurate measurement
Full Sensor Compatibility
One instrument supports all mainstream partial discharge detection methods → meets the testing needs of all types of power equipment
Advanced Expert Diagnosis System
Automatically identifies discharge types and locates faults → reduces operator skill requirements, improves diagnosis accuracy
Smart Quick Cloud Platform Integration
Remote data upload, sharing and full life cycle management → realizes intelligent power equipment management
Dual Operation Modes
Supports both on-site quick testing and laboratory in-depth analysis → one instrument meets multiple application scenarios
12-Hour Ultra-Long Battery Life
Sufficient for two consecutive days of on-site testing → no need for external power supply in remote locations
Portable Engineering Design
Complete set weight <8kg, easy to carry and transport → ideal for on-site diagnosis and emergency repair
FAQ
Q: Can it perform partial discharge fault location?
A: Yes. GDPD-414 supports time difference of arrival (TDOA) fault location technology for GIS and high-voltage cables. By arranging multiple sensors at different positions and using the 4-channel synchronous acquisition function, it can accurately calculate the fault position according to the time difference of partial discharge signals reaching each sensor.
Q: Does it support cloud platform data upload?
A: Yes. The instrument is integrated with the Smart Quick cloud platform, which can upload test data to the cloud in real time. Users can view data, generate reports and perform remote diagnosis through the web portal or mobile APP. It also supports equipment full life cycle management, tracking insulation status changes and predicting remaining life.
Q: What operation modes does it support?
A: GDPD-414 supports dual operation modes:
- Standalone mode: Use the built-in 8.1-inch touch screen and Linux embedded system for on-site quick testing and basic data analysis
- PC mode: Connect to a laptop via USB and use the professional Windows analysis software for in-depth data processing, advanced map analysis and report generation
Q: How long does the battery last?
A: The built-in 12V/6000mAh large-capacity lithium battery can work continuously for more than 12 hours, which is sufficient for two consecutive days of on-site testing. The charging time is about 6 hours.
