One-way operation of the brake circuit reverse

Posted on Mar 28, 2007

Circuit shown in Figure 3-124. The line does not use an intermediate relay. Figure, Kv is the speed relay, when the electric engine speed is greater than 120r/min when the cont

One-way operation of the brake circuit reverse
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act is closed, less than 100 r/min, the contacts open. Shutdown, contact KMi release put, KMz pull, plug braking. When the speed is lower than lOOr/min, Kv contacts open. KM2 release, the braking process ends (about 1 ~ 3s). Access braking resistor R purpose is to limit the reverse current brake. R can also be connected to only two phases.

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