泰鼎矿机

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Low-Voltage Inverter Speed Control System
Low-Voltage Inverter Speed Control System

Low-Voltage Inverter Speed Control System

This system is a newly developed frequency control system specially for hoisting equipment with Swiss ABB ACS800 (or Wicken/Siemens) series frequency converter as the main control equipment. The system has constant torque, low-speed start 100% torque, smooth and reliable acceleration in the whole cycle can effectively limit or eliminate the elastic vibration of the hoisting wire rope, to ensure the accuracy of the stop in place, the error does not exceed ± 3cm. 6 pulsation control mode for the main circuit, can run in four quadrants in accordance with the predetermined speed map and hoisting requirements, to complete the hoist acceleration, equal speed, deceleration operation of automatic regulation, with Over-current, over-voltage, under-voltage and over-speed protection functions. It also has the advantages of suppressing surge voltage, energy saving and noise reduction, simple operation and convenient maintenance. It is versatile for different hoists and can be connected to different hydraulic stations. It can be widely used in metal and non-metal mines to lift the slant shaft or shaft, lower the material and transport the personnel.

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Low-Voltage Inverter Speed Control System
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+86-13905387895

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Low-Voltage Inverter Speed Control System

This system is a newly developed frequency control system specially for hoisting equipment with Swiss ABB ACS800 (or Wicken/Siemens) series frequency converter as the main control equipment. The system has constant torque, low-speed start 100% torque, smooth and reliable acceleration in the whole cycle can effectively limit or eliminate the elastic vibration of the hoisting wire rope, to ensure the accuracy of the stop in place, the error does not exceed ± 3cm. 6 pulsation control mode for the main circuit, can run in four quadrants in accordance with the predetermined speed map and hoisting requirements, to complete the hoist acceleration, equal speed, deceleration operation of automatic regulation, with Over-current, over-voltage, under-voltage and over-speed protection functions. It also has the advantages of suppressing surge voltage, energy saving and noise reduction, simple operation and convenient maintenance. It is versatile for different hoists and can be connected to different hydraulic stations. It can be widely used in metal and non-metal mines to lift the slant shaft or shaft, lower the material and transport the personnel.

System Control Range:

Frequency conversion speed control device, the main circuit is 6 pulses.
(1) Configured with special software for hoist to improve control characteristics.
(2) Full digital speed and current double closed loop control.
(3)Realize four quadrant operation of the hoist.
(4) Adjustable slope of the acceleration and deceleration speed settings.
(5)Anti-shock control for starting, anti-vibration function for hoisting wire rope ("S" type speed curve giving, acceleration change rate da/dt=0.4m/s), adjustable slope acceleration/deceleration setting.
(6) Pre-set starting torque and reliable interlocking with the brake oil pressure curve to prevent the container from reversing when starting.
(7) With dozens of protection functions such as over-current, over-voltage, under-voltage, over-speed, blocking, insulation detection, etc.


System Control Method:

The system is divided into two control modes: flat and automatic. In manual mode, the operator can adjust the speed by himself, in automatic mode, the winch automatically accelerates after giving the running signal.
The winch is automatically accelerated to rated speed and then automatically decelerated to stop. The UPS has the function of continuous power supply to the system after power failure.
The system can precisely realize the secondary braking, and the double PLC design is quick and easy to connect on site.

Scope of supply:

低压变频调速系统

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