A transformer-integrated arc-free on-load tap-changer
An on-load tap-changer and transformer technology, applied in the field of voltage regulation of transformers, can solve the problems of contact ablation, increased loss, and inability to achieve no arcing of on-load tap changers.
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[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0040] figure 1It is a circuit diagram of a transformer-integrated arc-free on-load tap-changer in a preferred embodiment of the present invention; the switch includes static contacts connected to transformer taps, and motor-driven moving contacts connected to transformer outlet terminals Head D1, which also includes a control loop. The moving contact D1 includes a first two-way switch branch connected to an outlet terminal at one end, a straight-through contact, and a second two-way switch branch; both the first switch branch and the second two-way switch branch are controlled by two power After the electronic switch combination is connected, a buffer circuit is connected in parallel, and then connected in...
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