The new generation of compact excitation units for exciting synchronous generators for maritime applications.
It has an integrated power section and is designed for excitation and monitoring of machines in a wide power range for maritime applications.
Features
| Supply voltage | Supply voltage: 3 x 250 V AC |
| Control deviation | 0.25% |
| Direct current | 25 A continuous, 40 A for 30 s |
| Suitable for | Synchronous generators |
| Redundant operating voltage supply |
Type test
- Lloyd's Register
Operation
The Engineering Manager (EM3000) is available for comprehensive and convenient parameterization, diagnostics, and parameter management.
Operating modes
- Voltage control (PID)
- Reactive power power factor control (PID) at machine or grid connection point
- Excitation current control (PID)
- Uf controller / open-loop operation
- Smooth switching between all operating modes
- Operating modes and setpoints controllable via galvanic inputs or Modbus
Limiting and additional functions
- Static voltage maintenance / reactive power provision according to VDE-AR-N 4110 / 4120:2018-11
- Excitation current limitation
- Armature current limitation for mains and short-circuit operation
- Underexcitation limitation, definition via straight line segments
- U/f reduction
- Excitation control, overshoot-free
- Mains synchronization
Machine monitoring and control
- Stator voltage monitoring UMZ, 3-stage
- Diode fault detection in brushless operation
- Stator current monitoring UMZ, 3-stage