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詳細內容
可應用于各種可控硅整流勵磁(零式、三相半控橋、三相全控橋、單相半控橋、單相全控橋及交流勵磁機方式),功能強,性能可靠。
性能特點:
1、起勵后,調節器調整機端電壓為100%ue(即380V)。
2、斷路器跳閘時防止機組過電壓,機端電壓為380V(使用全控橋方式,該性能*佳)
3、防止低頻過流功能,當頻率低于40HZ時,自動關斷可控硅。提高機組安全性。
4、超亮數碼管顯示本機頻率,方便直觀。
5、調節器采用雙電源供電,運行中若廠用電消失,可以靠本機提供的電源繼續工作。
技術參數:
1、調壓范圍:(30%-130%)Ue
2、高壓精度:優于0.5%
3、高差系數:+8%
4、頻率特性:頻率每變化1%,發電機端電壓變化<0.1%Ue。
5、零起升壓:超高量<10%-15%,調節時間3-5秒,振蕩次數3-5秒。
6、10%階躍響應:超調量<5%,振蕩次數1次,調節時間<3秒。
7、甩額定無功負荷:超調量<15%Ue,振蕩次數<3次,調節時間<5秒。
8、可控硅控制角分辨率:0.036度。
9、強勵位數>1.3倍。
SD9000-L-E microcomputer with brush excitation device
SD9000-LE microcomputer brush excitation device can be applied to a variety of SCR rectifier excitation (zero, three-phase half-controlled bridge, three-phase full control bridge, single-phase half-controlled bridge, single-phase full control bridge and AC exciter mode ), Strong function, reliable performance.
Features:
1, from the excitation, the regulator to adjust the terminal voltage of 100% ue (ie 380V).
2, circuit breaker tripping to prevent over-voltage unit, the terminal voltage of 380V (using full-controlled bridge mode, the best performance)
3, to prevent low-frequency over-current function, when the frequency is lower than 40HZ, the automatic shutdown thyristor. Improve unit safety.
4, ultra-bright digital display of the machine frequency, convenient and intuitive.
5, the regulator uses dual power supply, running in the plant if the electricity disappears, you can rely on the power supply to continue working.
Technical Parameters:
1, pressure regulating range: (30% -130%) Ue
2, high-pressure accuracy: better than 0.5%
3, the height difference coefficient: +8%
4, the frequency characteristics: 1% change in frequency, the generator terminal voltage change <0.1% Ue.
5, zero from the boost: high volume <10% -15%, adjust the time 3-5 seconds, the number of oscillation 3-5 seconds.
6,10% Step response: overshoot <5%, the number of oscillation 1, the adjustment time <3 seconds.
7, rejection of the rated reactive load: overshoot <15% Ue, the number of oscillation <3 times, the adjustment time <5 seconds.
8, SCR control angular resolution: 0.036 degrees.
9, strong excitation bit> 1.3 times.