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Synchronization Unit

Synchronization Unit

74501

Description

Suitable for synchronizing a three-phase synchronization generator with the mains or with a second generator. The unit activates the synchronization switch 745563 via a relay output when the synchronizing conditions are correct (voltage, frequency, phase). The synchronizing conditions are automatically set by the synchronization unit. Voltage adjustment of the generator is carried out via the excitation voltage controller using two relay contacts. The speed of the generator drive (frequency) is adjusted via the control voltage controller and the DC stabilizer using two relay contacts.

Technical data

Voltage adjustment:
permissible voltage difference: 0.1...15.0 %
Relay switch-on time: 20...250 ms

Frequency adjustment:
permissible frequency difference: +/- 0.49 Hz
Relay switch-on time: 0.04...0.5 s
Inherent delay of the synchronization switch: 40...300 ms

LED display for:

Enable CB
Connection pulse
Reply: CB is closed

Buttons to:

Scroll display or confirm selection
Increase digit
Reset and cursor function

Illuminated two-line LC display to indicate:

Double voltage and frequency
Voltage and frequency difference
Phase shift
Parameters

- Contact load capacity: 250 V AC, 2 A
- Measured values: V = 50-400 V AC, f = 40-70 Hz

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Synchronization Unit

Description

Technical data

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