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Zavod Krankomplekt, OOO (Kranovyj Zavod)
Electric choke
  • Electric choke

Electric choke

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Description
Chokeis a active inductive resistance whose value at the expense of changes in the magnitude and frequency of a rotor is automatically reduced when starting from the reference value to almost zero. Then excludes all switching equipment Rotary chains the electric motor.

This design is used for electric motors with power up to 30 kW. For larger power engines used single - phase reactors, included in each phase of the rotor. Inductor winding pose a few dozen turns of copper wire or copper bus section which is selected by rotor current motor. For opportunities adjustment of starting current of an electric motor during configuration inductor windings of electric drive usually provides desoldering. On the impact of the inclusion of inductive resistance in the rotor circuit an induction motor can provide information in any Electric tutorial.

Active inductive character throttle resistance allows certain parameters to provide starting torque is greater than natural characteristic with a significant restriction of starting current.

Experience shows that when installing the new faucet cost electrical equipment and electric materials when using throttles reduced to 50, and the amount of electrical work shall be reduced to 70% . Throttle electric actuators have proved to be effective not only on mechanisms of bridges and crane trucks, but also on the mechanisms of recovery.

There is now a thyristor speed regulator (TRS) capable of smoothly regulate speed of 10 - 15 per cent of rated speed up to rated speed throughout the range of the moment, limited the throttle characteristic is that, at present, is capable of doing only frequency regulator.

Information is up-to-date: 02.04.2019
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