Product Overview
The HKVTEST Protection Relay Test Set is a professional secondary injection testing system designed for commissioning, maintenance, calibration, and verification of protective relays and power automation devices. It provides highly accurate multi-phase voltage and current outputs for testing protection relays used in substations, power plants, renewable energy systems, industrial power distribution, and electrical laboratories.
Powered by advanced DSP digital signal processing technology and high-fidelity linear amplifiers, the system delivers stable waveform output with low distortion and excellent accuracy. It supports six-phase current and six-phase voltage output, making it suitable for transformer differential protection, line protection, distance protection, overcurrent protection, generator protection, busbar protection, and automatic transfer switching (ATS) testing.
With powerful PC software, flexible output configuration, fault playback, harmonic generation, and automatic test sequences, the Protection Relay Test Set significantly improves testing efficiency while ensuring reliable and repeatable results.
Application Scope
The Protection Relay Test Set is widely used for secondary injection testing and commissioning of protection systems in various electrical applications.
- Transformer differential relay testing
- Distance protection relay testing
- Overcurrent and earth fault relay testing
- Generator protection testing
- Busbar protection testing
- Feeder protection testing
- Automatic transfer switch (ATS) testing
- Auto-reclosing relay testing
- Industrial protection system maintenance
- Power utility commissioning
- Substation acceptance testing
- Electrical laboratory research and education
Technical Specifications
| Item |
Specification |
| Current Outputs |
Standard 6 Channels |
| Voltage Outputs |
Standard 6 Channels |
| AC Current Output |
0–30A per phase / 180A (6 channels parallel) |
| DC Current Output |
±10A per phase |
| AC Voltage Output |
0–120V per phase / 240V line voltage |
| DC Voltage Output |
±160V per phase / ±320V line voltage |
| AC Current Accuracy |
Class 0.2 |
| AC Voltage Accuracy |
Class 0.2 |
| DC Output Accuracy |
Class 0.5 |
| Current Output Power |
450VA per phase |
| Parallel Current Power |
1000VA Maximum |
| Frequency Range |
0–1000Hz |
| Harmonic Output |
2nd–20th Harmonics |
| Binary Inputs |
8 Channels |
| Binary Outputs |
4 Channels |
| Timing Measurement |
0.1ms–9999s |
| Timing Accuracy |
Better than 0.1ms |
| Auxiliary DC Supply |
110V / 220V Adjustable |
| Communication Interface |
USB |
| Control Method |
PC Software |
| Protection Functions |
Overcurrent, Overvoltage, Short Circuit, Thermal Protection |
| Power Amplifier |
High Fidelity Linear Amplifier |
| Waveform Generation |
DSP Digital Signal Processing |
Key Features
6 Voltage + 6 Current Flexible Outputs
Supports six-phase voltage and six-phase current output, allowing multiple output combinations including 6I, 6V, 3I+4V and parallel current modes for various protection relay tests.
High Accuracy Linear Power Amplifier
Uses high-fidelity linear power amplifiers instead of switching amplifiers, producing low-distortion sine waves and transient signals without electromagnetic interference.
Advanced DSP Digital Processing
High-speed DSP processor generates precise voltage and current waveforms with excellent phase accuracy, frequency stability, and harmonic performance.
Powerful Relay Testing Software
Professional PC software supports automatic testing, relay setting verification, fault simulation, harmonic testing, sequence testing, vector diagram display, report generation, and fault playback.
Transformer Differential Protection Testing
Six independent current outputs simplify transformer differential relay testing without external current boosters.
Multiple Protection Functions
Integrated overcurrent, overload, overheating, short-circuit protection, soft start, self-diagnosis, and output lock functions ensure safe operation.
Built-in Auxiliary DC Power Supply
Provides independent adjustable 110V and 220V DC auxiliary power for relay panels and trip/close circuits.
Complete Communication Interface
USB communication enables fast connection to computers for configuration, report generation, firmware upgrades, and data management.
Compact & Portable Design
Lightweight construction makes transportation easy for field commissioning, substation maintenance, and laboratory testing.
Why Choose HKVTEST
HKVTEST has over 16 years of experience in manufacturing electrical testing equipment for power utilities, substations, renewable energy projects, electrical contractors, and industrial customers worldwide.
We provide reliable testing instruments backed by professional engineering support.
Why customers choose HKVTEST
- 16+ Years Manufacturer Experience
- Professional R&D Team
- Factory Direct Supply
- Strict Quality Inspection
- OEM & Custom Design Available
- Fast Global Delivery
- Professional Technical Support
- 2-Year Warranty
- Lifetime Technical Assistance
About HKVTEST
HKVTEST is the global brand of Wuhan Hongzhi Gaocetest Electrical Technology Co., Ltd., specializing in the research, development, and manufacturing of electrical testing equipment for the power industry.
Our product portfolio includes protection relay test systems, AC withstand voltage test equipment, transformer testing equipment, insulation resistance testers, circuit breaker analyzers, cable fault locators, DC high voltage generators, transformer turns ratio testers, winding resistance testers, and various electrical diagnostic instruments.
Serving customers in more than 60 countries, HKVTEST is committed to providing reliable testing solutions, professional technical support, and customized services for global power engineering projects.
FAQ
What is a Protection Relay Test Set used for?
A Protection Relay Test Set is used to perform secondary injection testing, commissioning, maintenance, and calibration of protective relays installed in substations, power plants, industrial facilities, and electrical distribution systems.
What protection relays can this system test?
It supports transformer differential relays, distance relays, overcurrent relays, earth fault relays, busbar protection, generator protection, feeder protection, auto-reclosing relays, and many other numerical protection relays.
Why does the system use linear power amplifiers?
Linear amplifiers provide cleaner waveforms with lower distortion and eliminate high-frequency interference, ensuring more accurate relay testing than switching amplifier designs.
Can the system generate harmonics and transient signals?
Yes. It supports frequencies from 0 to 1000Hz and harmonic generation up to the 20th order, enabling advanced protection relay performance testing.
Does HKVTEST provide OEM customization?
Yes. HKVTEST offers OEM branding, customized hardware configurations, software localization, and technical solutions to meet different customer requirements.
Warranty & Service
To ensure long-term reliability and customer satisfaction, HKVTEST provides comprehensive after-sales support:
✓ 2-Year Warranty for Complete Machine
✓ Lifetime Technical Support and Engineering Consultation
✓ Factory Calibration Before Shipment
✓ OEM & ODM Customization Service Available
✓ Technical Training and Operation Guidance
✓ Spare Parts Supply Throughout Product Lifecycle
✓ Fast After-sales Response with Remote Technical Assistance
✓ Multi-language Manuals and Product Documentation Available
Contact Us
Need A Reliable Electrical Testing Solution?
Looking for professional testing equipment for your power system project?
With 16+ years of manufacturing experience, HKVTEST provides reliable electrical testing instruments and customized solutions for power utilities, substations, contractors, and testing service companies worldwide.
Whether you need product specifications, technical consultation, quotation, delivery information, or customized solutions, our engineering team is ready to support your project.
Contact Our Technical Team Today
✓ Product Selection & Technical Consultation
✓ Customized Testing Solutions
✓ Project Quotation & Delivery Support
✓ Installation Guidance & Operation Training
✓ After-sales Technical Support
WhatsApp: +86 180 7153 1810
Email: fionahuang60@gmail.com
Website: www.hkvtest.com
We will reply to your inquiry within 24 hours.
Request A Quote Now
Get professional support from a manufacturer with 16+ years of experience in electrical testing equipment.
Your message must be between 20-3,000 characters!
