Method for exciting subsynchronous oscillation of generator set by utilizing subsynchronous oscillation suppression device
A subsynchronous oscillation and suppression device technology, which is applied in the direction of motor generator testing, etc., can solve the problems that the shaft system subsynchronous oscillation of the generator set endangers the safe operation of the power grid and the generator set, does not stimulate the subsynchronous oscillation of the generator set, and does not mention it.
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[0014] In the present invention, the excitation of the shafting subsynchronous oscillation of the generating set can be realized by SSR-DS equipment, such as figure 1 As shown, the principle is: the analog single-mode sub-synchronous signal is sent out through the acquisition signal generator, the trigger angle of the thyristor of the SSR-DS equipment is adjusted, the current of the TCR (adjustable reactor phase) branch is changed, and the step-up transformer Feedback to the generator set, so as to realize the excitation of the subsynchronous oscillation of the shafting.
[0015] Such as figure 1 As shown, the SSR-DS device is connected to the back end of the step-up transformer 104, which can avoid the direct reactive power impact on the generator set, and can ensure the consistency of the response of multiple generator sets, so that one SSR-DS device can be realized At the same time, subsynchronous oscillation excitation is performed on multiple generators 105 connected to ...
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