Überblick
This device is a compact device for excitation of synchronous machines with integrated power circuits
Applications include the excitation, monitoring, and synchronization of brushless synchronous machines in the range of tens of megawatts as well as smaller units with less than a megawatt.
Characteristics
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Supply voltage: 3 x 230 V AC |
DC current: 7.5 A (150 V DC) |
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Voltage control: ± 0.2 % |
Superordinate reactive power / cos(φ): ± 0.5 % |
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Armature current measurement: 1 A, 1 phase |
Armature voltage measurement: 100 V, 3 phase |
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Synchronization voltage measurement: 100 V, 1 phase |
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Bedienung
Operation
For easy, comprehensive parameter management and diagnosis, a web server is integrated in the device. Additional software is not required.
Primärfunktionen
Operating modes
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Reactive power control |
Power factor control |
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Voltage control |
Excitation current control |
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Voltage control blocked (motoring) |
V/f-adjustment / open loop |
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Seamless switching between operating modes |
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Limiters and additional functions
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Excitation current limiter: 2 stage, time-overcurrent principle |
Armature current limiter: 2 stage, time-overcurrent principle |
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Armature voltage limiter |
Under-excitation limiter along four line segments |
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Reactive power statistics |
Stabilization of real power(PSS)* |
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V/f droop control |
Grid synchronization* |
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Zero-overshoot ramp-up control |
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Machine monitoring and control
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Generator overvoltage with release |
integrated PLC* |
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Monitoring of rotating diodes (for brushless machines)* |
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*) Depends on device configuration |