| 摘要 |
The advantage of the connection is that the first branch is formed by the regulating element (T), which is connected in series with the regulating resistance (Rr). The second branch is formed by the load (Z), which is connected in series with the source (Un) of the supply voltage. The third branch is formed by the source (Up) of the auxiliary voltage. All these branches are connected with one outlet to the common node. Via the second outlet, they are connected to the switching circuit (P).<IMAGE>
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