vector control variable speed drive (VSD, adjustable frequency drive)

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Posting date : Jun 30, 2011

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MACHINERY & ELECTRICAL | Electrical

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85-

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Detailed Description

PI8000 is sensorless vector control (field oriented control, flux oriented control, indirect torque control) high performance frequency changer (variable speed drive, VSD, frequency inverter). It achieves perfect motor control via servo function, and offers comprehensive drive solution in motion control.

This series vector control variable speed drives (VSDs, adjustable frequency drive) have the following features:
1. Sensorless Vector control (field oriented control, flux oriented control, indirect torque control) variable speed drive (vsd, variable frequency drive, frequency inverter, adjustable speed drive) with high performance, excellent quality and low pollution.
2. It achieves quick-response and precise control by decoupling control of motor magnetic flux current and torque current, which makes the speed adjustment and torque control runs at a high degree of accuracy and wide range.
3. Brand new & reasonal hardware platform, advanced processing technique and perfect testing equipment, which guarantees the reliability.

Function Introduction:
Central control module based on DSP, realizes high-speed and high performance control.
Integrate V/F control, V/F+PG control (optional), vector control.
Automatically recognize the parameter of the motor! Auto-adjust to the best control mode!
Dead zone compensate function and Automatic slip compensate, 180% torque output can come out below 0.5HZ frequency.
Eight switch inputs, three analog inputs, two analog output, 0-10V or 0-20mA from inside the scope of the definition signal!
Support feedback signal: 0-10v, 1-5v, 0-20mA, 4-20mA
Simple PLC Function, at most 15 segments speed control and 8 segments acceleration control can be realized.
Humanization display menu, highlighted OLED+LED, simultaneous display 3 groups of state parameters.
Keyboard is hot-pluggable, can restore or copy 4 groups of running parameter programs.
Powerful communication function for operator, which can support standard RS485 and Modbus, and provide remote keyboard control .
Built-in PID self-adjusting
Rotate speed tracking start and power-off reset function
High effective function on default record and recheck, easy trouble -shooting.
Unique EMC design minimizes pollute to electricity resource.
Entire coating can work in various of severe environment.
Simplicity and fashionable design with industrialize features
Ratings:
Power rating : 11 kw ~ 630 kw (KVA) (from 15 hp to 860 hp)
Frequency scope: 0.00 ~ 2000.00Hz (for H series only, for other series, 0.00 - 800.00hz only)
Input Voltage: 220VAC/380VAC/440 VAC / 460VAC/575VAC/660VAC/1140VAC.

Applications of this series of world class sensorless vector control (field oriented control, flux oriented control, indirect torque control) variable speed drive (VSD, adjustable frequency drive, AFD):
mechanics, electronics, metallurgy, mining, petrochemical, transportation, building materials, municipal, metal processing, textile, printing and dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air conditioner for large buildings; wastewater treatment system; water supply system for large buildings; public water supply system and other industries and fields.

Strict quality control (component inspection, test via aging, with the load, including overload capacity, protecting functions ), first class quality, reasonable cost, widely applied on ac motors for energy efficiency and speed adjustment in the industry worldwide.