Description
DEIF VTR-5-PY
Technical Specifications: Input: AC voltage according to model specification Output: Standard analog signal Power supply: 24VDC auxiliary supply Galvanic isolation between primary and secondary circuit Operating temperature: -20℃ to +60℃ Humidity: 5% to 95%, non-condensing Protection class: IP20 Mounting: DIN rail Certifications: CE, DNV marine certification
Functional Features: AC voltage measurement for generator and switchgear busbar. Convert AC voltage value to standard analog output signal. Galvanic isolation between high voltage measurement circuit and low voltage control circuit. High accuracy voltage sampling across full measuring range. Robust circuit design for marine and power plant environment. Compact DIN rail mounting for switchgear cabinet installation. Low power consumption for continuous long-term measurement.
Application Scenarios: Marine generator control panel, land-based genset monitoring, power switchgear voltage supervision, generator synchronizing panel, backup power system monitoring, offshore power distribution cabinet.
Performance Parameters: High measurement accuracy across rated operating range. Low temperature drift for long-term stable measurement. High withstand voltage isolation between input and output side. Fast response for voltage variation tracking.
Material Composition: Flame retardant plastic DIN rail housing. FR4 printed circuit board with voltage sampling circuit. Isolation transformer components. Signal conditioning and analog output circuit. Screw terminals for high voltage input, auxiliary power and analog output.
Structural Features: Compact rectangular DIN rail enclosure. Screw terminal blocks arranged on the bottom of housing. Internal isolation barrier separates high voltage input zone and low voltage signal zone. Small footprint inside generator control cabinet.
Working Principle: AC voltage from generator busbar connects to input terminals. Isolation transformer reduces high AC voltage to low level sampling signal. Sampling circuit processes the signal and calculates RMS voltage value. The transducer converts RMS value to standard analog output signal proportional to measured voltage. Galvanic isolation blocks high voltage surge and prevents ground loop interference between power system and automation control system.
Installation Requirements: Mount transducer on standard DIN rail inside switchgear cabinet. Use proper high voltage rated cable for input voltage wiring. Separate high voltage input wiring and low voltage analog signal wiring. Tighten all terminal screws to specified torque. Connect protective earth for cabinet. Verify input voltage range matches module rating before energization.
Usage Notes: Do not apply voltage exceeding maximum rated input value. Ensure high voltage wiring insulation meets local electrical code. Cut off high voltage source before modifying input wiring. Check analog output signal during commissioning. Periodically inspect terminal tightness in vibration intensive genset cabinet.
