| 摘要 |
Protection circuit of the frequency converter, characterized in that it contains the circuit of frequency control (F) and the circuit of short-circuit current control (Z) in the receiver supply circuit, which are connected via the diodes (1D, 2D) onto the transistor base (T) in the supply circuit of the electromagnetic relay (K) with its own supply and contact in the supply switch circuit of the frequency converter.<IMAGE>
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