KUC755AE106 3BHB005243R0106 ABB Portal crane power exciter control module

Product Details

Product Description

Product Description
KUC755AE106 3BHB005243R0106 ABB Portal crane power exciter control module
KUC755AE106 3BHB005243R0106 ABB Portal crane power exciter control module
Our Email: 2235954483@qq.com
contact number:13313705507
contacts：HE
When the calculated positive phase-sequence voltage value U1s falls below the set
start value of the stage U1<, the stage generates a start signal after a ~ 50 ms’ start
time. When the set operate time at definite-time characteristic or the calculated
operate time at IDMT characteristic elapses, the stage generates a trip signal. The
stage is reset in 70 ms after the calculated positive phase-sequence voltage value has
exceeded the set start value of the stage.
The positive phase-sequence voltage is calculated as follows:
U1s = U aU a U 12 +× + × 23
2
31
3 (2)
a =1∠ 120°
a
2 = 1∠ -120°
On a symmetrical network, this formula scales the positive phase-sequence value to
the same amplitude as the measured voltage signal.
Stage U<0.15 × Un. In addition, the tripping of stage UU<Stage U1

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