Refine On (Hebei) Electric Power Technology Co., Ltd. is one of the leading manufacturers and suppliers of six phase relay protection tester in China. If you're going to wholesale durable six phase relay protection tester, welcome to get quotation from our factory. All customized products are with high quality and competitive price.
This advanced Six Phase Relay Protection Tester features a standard 4-phase voltage and 3-phase current output, integrated with an independent auxiliary DC power source (110V/220V) to effortlessly test traditional and modern microcomputer-based relays. Powered by a high-performance DSP+FPGA architecture and linear amplifiers, it ensures exceptional waveform purity and measurement accuracy without manual hardware calibration. The system integrates an 8.4-inch TFT color display and a reliable Windows-based interface with built-in recovery protection, offering seamless standalone control via its built-in keyboard and mouse or via a direct USB connection to an external laptop.
Features
Versatile Field Testing
The Six Phase Relay Protection Tester delivers standard 4-phase voltage and 3-phase current outputs, effortlessly testing traditional and modern microcomputer protection systems like transformer differential relays.
Advanced Waveform Accuracy
Utilizes a high-performance DSP+FPGA architecture with 16-bit DAC output to generate 2,000 high-density sine wave points per cycle, significantly improving waveform purity and accuracy.
Stable High-Fidelity Output
Equipped with a high-fidelity linear power amplifier that ensures exceptional precision for small currents and rock-solid stability for large currents.
User-Friendly Standalone Interface
Features a built-in industrial computer running an intuitive Windows-based interface with an 8.4-inch TFT color display, integrated keyboard, mouse, and a system recovery function.
Flexible Dual-Control Connectivity
Supports direct plug-and-play USB connection to an external laptop, utilizing the same software ecosystem so no extra operator retraining is required.
Smart Auxiliary DC & Self-Calibration
Provides dedicated independent auxiliary DC outputs (110V/220V) and features software-based self-calibration to maintain long-term precision without manual hardware adjustments.
Technical Parameters
AC current source (3 * 30A)
|
Single phase current output (RMS) |
0 -- 30A / phase, accuracy: 0.2% ± 5mA |
|
Three phase parallel output (RMS) |
0 - 90A / three phase in phase parallel output |
|
Allowable working value of phase current for a long time (effective value) |
9.9A |
|
Maximum output power per phase |
300VA |
|
Maximum output power of three phase parallel current |
800VA |
|
Maximum output allowable working time of triple parallel current |
5s |
|
frequency range |
0 -- 1000Hz, accuracy 0.01Hz |
|
Harmonic number |
2--20second |
|
phase |
0- 360°, accuracy 0.1° |
DC current source
|
DC current output |
0--± 10A / phase, accuracy: 0.5% ± 5mA |
AC voltage source
|
Single phase voltage output (RMS) |
0 -- 120V / phase, accuracy: 0.2% ± 5mv |
|
Line voltage output (RMS) |
0--240V |
|
Phase voltage / line voltage output power |
75VA/100VA |
|
frequency range |
0 -- 1000Hz, accuracy: 0.01Hz |
|
Harmonic number |
2--20second |
|
phase |
0- 360°, accuracy 0.1° |
DC voltage source
|
Single phasevoltage output amplitude |
0--± 160V, accuracy: 0.5% ± 5mv |
|
Output amplitude of line voltage |
0--320V |
|
Phase voltage / line voltage output power |
90VA/180VA |
switching value terminal
|
Switch input terminal |
8yes |
|
Air contact |
1 -- 20 mA, 24 V, internal active output of the device |
|
Potential reversal |
Passive contact: low resistance short circuit signal Active contact: 0-250V DC |
|
Switch output terminal |
4 pairs, empty contacts, interruption capacity: DC: 0-30V/5A,AC:0-250V/5A |
others
|
time frame |
1ms -- 9999s, measuring accuracy: 1ms |
|
Volume and weight of portable series single machine |
Volume 328 x 157 x 250mm, about 12.5kg |
|
Power Supply |
AC220V±10%,50/60Hz,10A |
Working time of AC current
|
Working current＜10A |
working hours≤60minute |
|
20A＞Working current≥10A |
working hours≤70S |
|
30A＞Working current≥20A |
working hours≤15S |
|
Working current：30A |
working hours≤5S |
Hardware composition of the device
uilt-in Industrial PC
Powered by a high-performance industrial computer running a Windows-based OS. Features a 10.4-inch (800*600) TFT true-color LCD, a self-restoring CF card, an integrated industrial keyboard/mouse, and dual USB ports for easy data transfer and software upgrades.
DSP Digital Signal Processing
The Six Phase Relay Protection Tester utilizes a 6000-series DSP controller combined with FPGA programmable logic. It employs DDS hardware technology for exceptional frequency and phase accuracy, communicating via a stable USB 2.0 interface.
High-Precision D/A & A/D Conversion
Equipped with high-precision D/A converters and active low-pass filters for ultra-smooth waveforms. Includes a 7-channel A/D conversion circuit for real-time tracking and on-screen display of output waveforms, amplitude, and phase.
Linear Power Amplifiers
High-fidelity linear amplifiers directly output AC/DC waveforms, square waves, harmonics, and fault transients. Features full protection against overheating, overcurrent, overvoltage, and short circuits, alongside dedicated front-panel fault indicators and an advanced hardware-based high-current time-limiting circuit.
Binary Inputs & Outputs
Provides 8 pairs of switch inputs and 4 pairs of switch outputs, fully isolated via optocouplers and 24V DC relays. Powered by an independent, built-in 24V DC power supply.
Dedicated DC Power Output
Equipped with a toggle-switchable independent auxiliary DC power source (110V / 220V) to serve as the working power supply for protection devices under test.
Empty contact with potential:
Potential reversal:
Air contact:
Device panel side panel description
Display & Control: Features a 10.4-inch LED screen, an integrated laptop-style touchpad, and a dedicated data-entry keyboard with directional and operational shortcut keys.
Signal Outputs: Standard 4-Phase Voltage (UA, UB, UC, UX, UN) and 3-Phase Current (IA, IB, IC, IN) terminals, equipped with open-circuit LED indicators.
Auxiliary Power Supply: Switchable DC 0 / 110V / 220V power source (max 2A) to power protection devices under test.
Binary I/O (Switching): Includes Input channels for active/passive contacts (detects up to DC 220V) and passive Output nodes (max capacity AC 220V/1A) for external control.
Connectivity & Expansion: Equipped with a USB communication port for external laptop control, an optional network port, and dual USB expansion ports for peripherals (mouse, keyboard, USB drives).
System Maintenance & Safety: Features a dedicated DSP reset button (RST) to resolve data transmission faults, an active high-speed cooling fan, a secure grounding terminal, and an AC 220V power interface with a 10A fuse.
Status Indicator: Multi-mode LED working light (flashing indicates standby; constant light indicates active operation).
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