2E075UM

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The 2E075UM is a type of three-stage AC motor controller that became available to the market since 1979. It uses two power rectifier bridges for motor speed regulation, enabling users to obtain speed control in the range of full to ⅛ of base speed, making it suitable for a wide range of applications.

The power rectifier bridge is composed of two primary components: a diode bridge and a thyristor bridge. The diode bridge, which is the first stage of the control, is composed of four diodes that rectify the AC current to DC current. The thyristor bridge, which is the second stage, is composed of six thyristors that provide the required speed control. The thyristor bridges also allow for the third stage, which involves the addition of a microprocessor for fine tuning the motor speed.

The diode bridge drives the DC motor directly and the thyristor bridge serves as the control element for the motor speed. The thyristor bridge is controlled by a pulse width modulated signal that is derived from a microprocessor. This signal is generated from the microprocessor by measuring the speed of the DC motor and comparing it to the desired speed. The pulse width modulated signal is then sent to the thyristor bridge by the microprocessor to adjust the current applied to the motor in order to regulate its speed. This processor also allows the 2E075UM to include features like starting, stopping, acceleration, deceleration, and reversing.

The 2E075UM’s versatile design and easy programming make it suitable for a variety of applications. It is commonly used in automated lines and electric locks, and other areas where precise speed control is needed. This device can also be used to control the speed of elevators, belted conveyors, and winches. In addition, it is suitable for controlling any AC motor which requires variable speed adjustment.

The 2E075UM’s design is both efficient and economical, making it a popular choice for a wide range of applications. Furthermore, its simple programming and flexible control options make it easy to use and configure for particular needs. With its reliable speed control and versatile design, the 2E075UM is a great choice for a variety of situations.

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