VIND-802C Relay Protection Calibration System

VIND-802C Relay Protection Calibration System

The VIND-802C is a professional calibration device integrating AC/DC current and voltage outputs. Featuring dual operation modes and high-precision linear amplifiers, it ensures accurate relay testing. Widely used for setting verification and fault simulation in power systems, it guarantees equipment safety and testing reliability.

PARAMETER

Product Overview
The VIND-802C Microcomputer Relay Protection Comprehensive Calibration Instrument is a state-of-the-art testing solution designed for the power industry. This integrated device combines a high-performance DSP control unit with a high-fidelity linear power amplifier module, delivering precise and stable output signals. It supports both standalone operation via a built-in Windows platform and online operation connected to an external computer, making it ideal for field mobility testing and laboratory fixed applications.
Core Specifications
  • AC Current Output: 40 A per phase; up to 120 A when three phases are connected in parallel.
  • AC Voltage Output: 120 V per phase (4-phase); 240 V line voltage.
  • Output Accuracy: 0.2% for AC (main range), 0.5% for DC (main range).
  • Auxiliary Outputs: Independent DC power supply (DC 110/220 V, 1.5 A rated).
  • Signal Interface: 8 digital input channels and 4 pairs of output terminals for comprehensive signal control.
Key Functional Features
  • Flexible Output Configuration: Supports 4-phase voltage output (with UX configurable as 3U0, synchronization voltage, or any voltage) and 3-phase current output, meeting complex protection test requirements.
  • Dual Operation Modes: Operate independently using the large TFT LCD display and trackball mouse, or connect to a PC for expanded software functionality and control.
  • High-Precision & Low Distortion: Utilizes a DSP-controlled host unit and modular linear amplifier to ensure rapid processing, high accuracy, and smooth waveforms free from high-frequency interference.
  • Powerful Software Suite: Offers automated verification, fault playback, vector plot display, data storage, and online report printing to streamline the testing workflow.
  • Robust Protection Mechanisms: Equipped with comprehensive safety features including thermal protection, soft-start technology, software self-diagnosis, and output lockout functions to safeguard both the instrument and the device under test.
Safety & Maintenance
Strict adherence to safety guidelines is mandatory. The output current circuit must never be open-circuited, and the voltage circuit must never be short-circuited. During high-current testing (≥ 10 A), monitor duration to prevent overheating. Regular maintenance, including annual professional calibration, is recommended to ensure long-term accuracy and reliability.

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