DEIF LSU-112DG

Description

Technical Specifications:

• Power Supply: 18 ~ 35 VDC
• Frequency Measurement Range: 40 ~ 70 Hz
• Voltage Measurement Range: 57.7 ~ 690 VAC
• Mounting Type: 35 mm DIN rail or base mounting
• Protection Grade: IP40 (front panel)
• Operating Temperature: -25 ℃ ~ +70 ℃
• Output Contacts: 2 relay outputs for speed control, 8A / 3A rating
• Compliance: DNV-GL, ABS, IEC 60945, ISO 8528

Function Features: Built-in power and frequency transducer, isochronous operation mode and constant power mode, relay pulse output for mechanical governor, LED status indicators, multi-generator parallel load sharing, adjustable deadband and gain parameters.

Application Scenarios: Marine power plants, island multi-generator parallel systems, industrial captive power stations, biomass cogeneration plants, emergency backup power systems.

Material Composition: Plastic DIN rail housing, microprocessor control chip, voltage and current sampling circuit, relay contact module, LED indicator, terminal block.

Structural Features: Standard 35 mm DIN rail modular housing, screw terminal connection, front panel status LED indicators and adjustment potentiometers, compact design for control cabinet installation.

Working Principle: Samples generator output voltage and current, calculates real-time frequency and active power, outputs speed increase/decrease pulse signals to the governor actuator, adjusts engine speed to realize frequency stability and load equalization.

Installation Requirements: Install inside control cabinet on standard DIN rail; connect voltage transformer and current transformer signals correctly; wire governor actuator according to terminal diagram.

Usage Notes: Calibrate CT and VT sampling signals before commissioning; set load sharing parameters according to generator capacity ratio; verify relay output polarity before connecting to governor; perform parallel operation test step by step.