EN
RPT-4312 Handheld Relay Protection Tester
RPT-4312 Digital Intelligent Handheld Relay Protection Tester with DSP+FPGA Dual-Core Architecture, 0.05% High Accuracy, Analog+SV/GOOSE Hybrid Output, SCD File Processing, for Smart Substation Merging Unit and Intelligent Terminal Testing.
- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The RPT-4312 is a professional-grade, field-optimized high-precision handheld relay protection testerexclusively designed for commissioning, testing and maintenance of smart substation secondary equipment. It fully complies with DL/T 624-2023, DL/T 995-2016 and IEC 60255-1:2019 standards, adopting an advanced DSP+FPGA dual-core architecture to achieve industry-leading 0.05% output accuracy and stable signal generation.
The instrument features a unique analog+digital hybrid output design, supporting both traditional analog voltage/current output and IEC 61850 SV/GOOSE digital message output, making it ideal for testing merging units, intelligent terminals and digital protection devices. Its built-in powerful SV/GOOSE message analysis engine and SCD file processing capability enable real-time message monitoring, analysis and SCD file comparison and graphical display.
Specifications
| Parameter | Specification |
|---|---|
| System Parameters | |
| Compliance Standard | DL/T 624-2023, DL/T 995-2016, IEC 60255-1:2019, GB/T 14598.1-2010 |
| Control Architecture | DSP + FPGA dual-core |
| Operating System | Embedded Linux system |
| Display | 7-inch 1024×600 capacitive touch screen |
| Operation Mode | Full touch screen operation |
| AC Voltage Output | |
| Number of Phases | 3 independent phases (UA, UB, UC) |
| Output Range | 0 ~ 120V/phase |
| Output Accuracy | ±0.05% |
| Output Power | 30VA/phase |
| Frequency Range | 10Hz ~ 650Hz |
| Frequency Accuracy | ±0.001Hz |
| Phase Range | 0° ~ 360° |
| Phase Accuracy | ±0.05° |
| AC Current Output | |
| Number of Phases | 3 independent phases (IA, IB, IC) |
| Output Range | 0 ~ 10A/phase |
| Output Accuracy | ±0.05% |
| Output Power | 20VA/phase |
| Frequency Range | 10Hz ~ 650Hz |
| DC Output | |
| DC Voltage | 0 ~ ±160V |
| DC Current | 0 ~ ±5A |
| Accuracy | ±0.2% |
| Harmonic Output | |
| Harmonic Times | 1 ~ 20 times |
| Amplitude Range | 0 ~ 20% of fundamental |
| Phase Range | 0° ~ 360° |
| Digital Interface | |
| Optical Ports | 2 × 100Mbps fiber optic ports (LC) |
| SV Output | 4~24 channels, 4kHz/8kHz/12.8kHz sampling rate |
| GOOSE Output | Up to 256 data sets, 1ms response time |
| SV/GOOSE Analysis | Real-time capture, decoding, analysis and waveform display |
| SCD File Processing | Import, export, comparison and graphical display |
| Optical Power Measurement | 1310nm/1550nm wavelength, -70~+10dBm range |
| Switch 量 Interface | |
| Switch Input | 4 pairs, supports empty contacts and potential contacts |
| Switch Output | 2 pairs, DC 250V/0.5A, AC 250V/0.5A |
| Time Measurement | 0.1ms ~ 9999s, accuracy <0.1ms |
| Power Supply | |
| External Power | AC 220V±10%, 50Hz |
| Built-in Battery | Lithium-ion battery, 11.1V/8000mAh |
| Battery Life | ≥6 hours continuous operation |
| Emergency Power | Supports external emergency battery connection |
| Charging Time | ~3 hours (full charge) |
| Physical Parameters | |
| Dimensions | 250×180×70mm (L×W×H) |
| Weight | <3kg (including battery) |
| Housing | Rugged ABS plastic + anti-drop silicone cover |
| Protection Grade | IP54 |
| Operating Temperature | -10℃ ~ +50℃ |
| Storage Temperature | -20℃ ~ +60℃ |
| Humidity | ≤90% RH (non-condensing) |
Applications
Core Test Objects
- Smart substation equipment: Merging units (MU), intelligent terminals (IT), digital protection devices, merging unit intelligent terminal integrated devices
- Conventional substation equipment: Microcomputer line protection, transformer protection, generator protection, bus protection
- Safety automatic devices: Auto-transfer switch (ATS) devices, reclosing devices, load shedding devices
- Other devices: Measurement and control devices, fault recorders, optical fiber communication devices
Typical Usage Scenarios
- Power companies: Smart substation acceptance tests, daily maintenance, fault troubleshooting
- Power engineering companies: Smart substation construction commissioning, equipment installation and debugging
- Electrical equipment manufacturers: Factory quality control, type tests, after-sales service
- Third-party testing institutions: Electrical equipment performance testing, quality arbitration
- Industrial enterprises: Internal power system protection device testing and maintenance
Advantages
Compliance with Latest International Standards
Fully meets DL/T 624-2023 Chinese power industry standard and IEC 60255-1:2019 international standard → test results are recognized by power systems worldwide
Industry-Leading 0.05% Ultra-High Accuracy
The highest output accuracy in handheld relay testers, meeting the strict test requirements of merging units and precision measurement devices → guarantees the reliability of smart substation equipment test results
Unique Analog+Digital Hybrid Output Design
One instrument supports both traditional analog testing and smart substation digital testing → reduces equipment investment by 50%, eliminates the need for separate digital testers
Powerful SV/GOOSE & SCD File Processing Capability
Built-in professional message analysis engine and SCD file processing tool → greatly improves the efficiency of smart substation commissioning and troubleshooting
Ultra-Lightweight Portable Design
Total weight less than 3kg, palm-sized, one-hand operation → ideal for on-site testing in narrow spaces and high-altitude locations
Embedded Linux Operating System
More stable and reliable than Windows CE systems, faster startup, no virus risk → ensures uninterrupted operation in harsh field environments
6-Hour Ultra-Long Battery Life
Built-in high-capacity battery + external emergency battery support → sufficient for a full day of on-site testing without external power supply
Comprehensive Safety Protection System
Multiple protection functions ensure the safety of operators and the tested equipment → avoids damage caused by misoperation and abnormal working conditions
FAQ
Q: Can it test merging units?
A: Yes. RPT-4312 is specifically designed for smart substation merging unit testing. It supports SV message output and analysis, can test merging unit accuracy, time synchronization performance, linearity and delay characteristics. The 0.05% output accuracy meets the strict test requirements of merging units.
Q: Does it support SCD file processing?
A: Yes. RPT-4312 has built-in professional SCD file processing software, supporting SCD file import, export, comparison and graphical display. It can automatically extract device information, communication parameters and data set configurations from SCD files, greatly simplifying the test configuration process.
Q: How long does the battery last?
A: The built-in 11.1V/8000mAh high-capacity lithium-ion battery can provide more than 6 hours of continuous operation under normal test conditions. It also supports external emergency battery connection for extended working time, meeting the needs of all-day on-site testing.
Q: Is it suitable for conventional substation testing?
A: Yes. In addition to smart substation digital testing, RPT-4312 also supports traditional analog output and all conventional protection test modules, including line protection, transformer protection, generator protection and automatic device testing. It can be used for both conventional and smart substation testing.
