Description
1. Product Parameters
| Parameter Category | Specifications |
|---|---|
| Input Voltage | 18–35 VDC |
| Frequency Range | 40–70 Hz |
| Communication Interfaces | CAN bus (SAE J1939), Modbus RTU, RS-485 |
| Analog Inputs | 6 channels (0–10 V / 4–20 mA) |
| Digital Inputs/Outputs | 8 programmable digital I/O |
| Operating Temperature | -25°C to +70°C |
| Protection Rating | IP40 (standard enclosure) |
| Compliance | DNV-GL, ABS, IEC 60945, ISO 8528 |
| Response Time | <20 ms for load sharing adjustments |
2. Advantages and Features
- Precision Load Sharing: Maintains <1% load imbalance across parallel generators, proven in a 5-MW hospital backup power system.
- Dual CAN Bus Redundancy: Ensures continuous communication even during single-bus failures, critical for offshore platform operations.
- Dynamic Grid Support: Seamless transition between islanded and grid-connected modes in under 100 ms.
- Marine-Optimized Firmware: Preloaded with DNV-GL type-approved settings for faster vessel commissioning.
DEIF LSU-112DG
3. Application Fields and Case Studies
DEIF LSU-112DG is ideal for:
- Marine: Offshore supply vessel power management
- Industrial: Cement plant captive power plants
- Utilities: Biomass cogeneration facilities
Case Study:
A Caribbean resort installed DEIF LSU-112DG across 4×1.5 MW diesel generators:
- Reduced generator wear by 30% through balanced loading
- Achieved 99.98% uptime during hurricane season grid outages
- Cut synchronization time from 90 seconds to 8 seconds
4. Competitive Comparison
Compared to similar load-sharing units:
- 40% faster fault detection via integrated harmonic distortion analysis
- Supports 3x more generator units in parallel (up to 32 units)
- Unique “Black Start” capability without external power sources
DEIF LSU-112DG
5. Selection Guidance
- Generator Type: Compatible with DEIF AGC-150 controllers for full automation suites.
- Expansion Needs: Use DEIF MCU-3 modules for additional analog inputs in complex plants.
- Harsh Environments: Specify corrosion-resistant coatings for coastal installations.
6. Important Notes
- Calibrate voltage sensing circuits annually using DEIF SCT-200 test kit.
- Maintain minimum 50 cm clearance from high-current cabling.
- Disable automatic synchronization during manual maintenance operations.
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