Woodward easYgen-3400-5 P2 8440-2078D Overview
The easYgen-3400 series is designed to manage single or multiple generator sets and allow them to run stand-alone or in parallel with the grid. It combines protection, control, and monitoring into one controller.
The part number 8440-2078D specifically refers to a cabinet-back mounting version without display and with 5A CT inputs.
Main Functions
1) Generator Control & Automation
This controller can automatically start, stop, and monitor gensets while protecting them from abnormal operating conditions.
Typical control functions include:
- Engine start/stop sequencing
- Voltage and frequency control
- Power and power-factor control
- Automatic mains failure (AMF) operation
- Peak shaving and load shedding
It supports many application modes such as standby, island mode, and grid-parallel operation.
2) Synchronization & Load Sharing
One of the biggest advantages of the easYgen-3400 is its ability to synchronize multiple generators and share load.
Capabilities:
- Synchronization with utility grid
- Parallel operation of multiple generators
- Automatic load sharing (kW/kVAR)
- Up to complex distributed power systems
These features make it suitable for microgrid and distributed generation projects.
3) Built-in Protection Functions
The controller integrates full generator and grid protection:
- Over/under voltage
- Over/under frequency
- Reverse power
- Overcurrent & ground fault
- Loss of mains detection
This eliminates the need for separate protection relays.
4) Flexible I/O and Communication
The easYgen-3400 provides strong connectivity for SCADA and PLC integration.
Key communication features:
- CANopen / J1939 support
- Modbus RTU (RS-232/RS-485)
- Multiple analog and digital I/O
- CAN bus expansion modules
It can easily integrate into modern power management systems.
Key Technical Highlights
Model: easYgen-3400-5 P2
Part Number: 8440-2078D
Mounting: Cabinet back mounting (no display)
CT Input: 5A CT inputs
Series: easYgen-3000 generator controller family
Typical hardware capabilities:
- Multiple analog inputs and outputs (current, voltage, sensors)
- CAN bus and Modbus communication
- Certified for industrial and marine use (UL, CE, CSA, LR, ABS)
Typical Applications
The easYgen-3400-5 P2 is commonly used in:
- Data centers & hospitals (emergency backup power)
- Oil & gas sites and offshore platforms
- Industrial plants & factories
- Utility power plants & peak shaving
- Microgrids and distributed generation systems
These controllers are widely used where reliable and automated power generation is critical.
Summary
Woodward EASYGEN-3400-5 P2 8440-2078D is a high-performance generator controller designed for complex power systems. It combines generator control, protection, synchronization, and communication into one device, making it ideal for multi-genset and grid-parallel applications.
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