COMPACT-3

Three-Phase Portable Battery Operated Transformer Turns Ratio Instrument

COMPACT-3 (Brand Name : EMBUILT TECHNOLOGIES ) is a compact, lightweight and portable Three-Phase Transformer Turns Ratio (TTR) Instrument designed for reliable transformer testing in factory, laboratory and outdoor field applications.

The COMPACT-3 supports 18 transformer vector groups, covering Y-Y, Y-D, D-Y and D-D configurations, and provides comprehensive measurement of essential transformer testing parameters. Its selector-switch-based three-phase testing, LT-side excitation, dual AC/battery operation and rugged field-ready design make it a practical solution for transformer testing applications.

Three-Phase Portable Battery Operated Transformer Turns Ratio Instrument

 

Key Features 

Multi-Parameter Measurement

The COMPACT-3 measures and displays multiple important transformer testing parameters:

  • Turns Ratio: 1:000 to 200.00
  • Excitation Current
  • HT & LT Voltage
  • Polarity
  • Percentage Deviation
  • Phase Displacement

Advanced Three-Phase Testing

  • 18 Transformer Vector Groups Supported
    • Y-Y
    • Y-D
    • D-Y
    • D-D configurations
  • Three-Phase Testing via Selector Switch
  • One-Time Connection for complete three-phase testing, minimizing the need for repeated HT/LT cable reconnection.
  • LT-Side Excitation for enhanced operator and instrument safety.

Display & Operation

  • 4.3-inch TFT Color Display
  • 480 × 270 Pixel Resolution
  • Clear and user-friendly interface for convenient operation and viewing of test results.

Data Storage & Connectivity

  • Internal On-Board Memory for storing up to 50 test results
  • Stored results can be viewed directly on the instrument
  • USB Communication Port for PC connectivity and data transfer

Dual Power Operation

  • 230 V AC ±10% mains operation for factory, laboratory and workshop applications
  • Built-in Rechargeable Battery for outdoor and remote field testing
  • Up to 4 Hours Battery Backup
  • Enables operation even where mains power is not readily available

Rugged & Portable Design

  • Compact and Lightweight Construction
  • 10-meter HT & LT Test Cables
  • MIL-Standard Load-Cell Type Connectors on HT and LT sides
  • Designed for convenient transportation and field operation

Application Capacity

  • Suitable for Transformer Testing up to 30 MVA*
  • Ideal for Factory, Laboratory, Workshop, Commissioning, Maintenance and Outdoor Field Testing

 

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