Microcomputer Excitation Device

Function
Synchronous generator Excitation system as a power supply device for automatic excitation regulation adopts microcomputer excitation control unit, which can be used not only for the single generator but also for the electric grid connected operation of generator set.
Scope: control and regulate the excitation of synchronous generator and motor with capacity below 300MW.

Specification
• No-load voltage setting range: 10%-130%
• Trigger pulse phase shift range: 3phase half controlled 0 ° -179 °, 3phase full control0 ° -134 °
• Steady voltage adjusting case: better than 0.25%
• Adjusting rate: ± 20%, grade 0.1%
• Frequency characteristics: better than 0.25%
• Dynamic regulation characteristics: overshoot ≤ 8-10%, adjusting time ≤ 3s, oscillations times ≤3
• Parameter display: percentage, display precision 1%
• Strong excitation ratio ≥ 1.6 times, strong excitation time: 30 seconds, over excitation limit: 1.1 times
• Continuous and long-term operating at 1.1 times of rated excitation current