3HAC14550-4/04B - Single Servo Drive Unit

3HAC14550-4/04B - Single Servo Drive Unit

Brand: ABB

Product ID: 3HAC14550-4/04B

Condition: New / used

Terms of payment: Paypal、T/T 、Western Union

Category:

Description

General Information

    • Product ID:3HAC14550-4
    • Product Net Weight:1.78 kg
    • Gross Weight:1.78 kg
    • Product Net Depth / Length:148 mm
    • Product Net Height:155 mm
    • Product Net Width:130 mm
    • Frame Size:Spare_Parts
    • Product Name:Single servo drive unit

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2.1 Power drive unit The power drive unit first rectifies the input three-phase power through the three-phase full bridge rectifier circuit to obtain the corresponding direct current, and then converts the inverter into controllable alternating current to drive the servo motor. The whole process of the power drive unit can be simply said to be the AC-DC-AC process. The main topological circuit of the rectifier unit (AC-DC) is the three-phase full-bridge uncontrolled rectifier circuit. 2.2 Control Unit The control unit is the core of the whole AC servo system, which realizes the system position control, speed control, torque and current controller. In addition to fast data processing capabilities, the digital signal processor (DSP) also integrates A wealth of application-specific integrated circuits for motor control, such as A/D converter, PWM generator, timing/counter circuit, asynchronous communication circuit, CAN bus transceiver, high-speed programmable static RAM and large capacity program memory. 2.3 Drive control Mode (1) PWM control (Shadik driver) PWM control technology: control the on-off and off-off of semiconductor switching devices, so that the output end can get a series of pulses with equal amplitude and unequal width, and use these pulses to replace sine waves or other required waveforms. By modulating the width of each pulse according to certain rules, the output voltage of the inverter circuit can be changed, and the output frequency can be changed.

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Advantages: 1) Low noise; 2) High efficiency at full load and can work in continuous conduction mode; 3) The ripple voltage is small; 4) The switching frequency is fixed, so the noise filter design is easier and the noise elimination is simpler; 5) The control method is easy to implement. Cons: 1) Due to the influence of the error amplifier, PWM loop gain and response speed are limited, PFM has a fast response speed; 2) PWM is less efficient at low load. 3) PFM control (Panasonic Drive)

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The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !!! ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.


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