TR ART3V Three Phase Voltage Frequency Relay Test System

The TR ART3V Three Phase Voltage Frequency Relay Test System is a versatile and high-precision instrument designed for testing, calibrating, and verifying voltage and frequency protection relays in three-phase electrical systems. Engineered for industrial and utility applications, it provides accurate simulation of voltage, frequency, and phase conditions to ensure relays respond correctly under normal and fault conditions.

Equipped with a user-friendly digital interface, the ART3V allows technicians to perform comprehensive tests quickly and reliably. It supports multiple relay types, including overvoltage, under voltage, frequency, and combined voltage-frequency relays, making it suitable for preventive maintenance, commissioning, and troubleshooting.

The system features programmable voltage and frequency outputs, precise phase angle control, and automatic test routines for efficient and repeatable measurements. Its robust construction and portable design make it ideal for both laboratory and field environments, helping engineers and electricians ensure the safety, accuracy, and reliability of critical electrical protection systems.

Key Features:

Three-Phase Testing – Supports accurate simulation of three-phase voltage and frequency conditions.
Voltage & Frequency Relay Support – Tests overvoltage, under voltage, frequency, and combined voltage-frequency relays.
Programmable Outputs – Adjustable voltage, frequency, and phase angles for precise testing.
Automatic Test Routines – Predefined and programmable sequences for efficient and repeatable measurements.
High Precision & Accuracy – Ensures reliable verification of relay operation under normal and fault conditions.
User-Friendly Digital Interface – Clear display and intuitive controls for fast test setup.
Portable & Robust Design – Suitable for both laboratory and field applications.
Ideal for Maintenance & Commissioning – Supports preventive maintenance, commissioning, and troubleshooting of protection relays.

Specifications

Voltage Output

3‑phase output from single‑phase supply (phase‑to‑neutral)
Output voltage: 0–450 V phase‑to‑neutral
Max power per phase: ~20 VA
Individually adjustable for each phase: voltage, phase, and frequency (30–999.9 Hz)
Phase shift range: ±180°
High stability with low distortion output for relay testing

Frequency & Phase

Variable frequency: 30–999.9 Hz
Phase angle control: ±180°
Full control of frequency and phase output for accurate relay simulation

Display & Interface

Large 6.5″ back-lit color LCD for status, phasor diagrams, and menus
Capacitive keypad and rotary encoder for easy navigation
USB keyboard support for adding comments to tests
USB data storage in CSV format for test results

Timing & Test Modes

Multifunction internal timing system with flexible start/stop modes
Fault Config Mode for advanced, timed sequences of voltage/frequency changes
Phase Lock Mode to lock output to external reference for directional/distance relay tests

Supported Relay Types

Under/over-frequency relays
Under/over-voltage relays
Synchronizing relays
Rate-of-change-of-frequency (ROCOF) relays
Vector surge relays
Transducers and other protection relays requiring 1–3 voltage sources
Can be paired with external current sources for testing directional, distance, phase angle, and power relays

Power Supply & Physical

Input power: 90–264 V AC, single phase
Max power draw: ~300 VA
Weight: ~8.9 kg
Dimensions: ~419 × 325 × 195 mm
Rugged, portable case suitable for field and lab use

Included Accessories

Output cable set
Neutral link (for star connection)
Mains lead
USB flash memory/key
USB keyboard
Spare fuses
Operating manual
Carry case

TR ART3V

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