中文版
Description
KUC720AE01 3BHB003431R0001 Technical Requirements
(1) Calculation circuit: compare the external speed, torque and other instructions with the current and voltage signals of the detection circuit to determine the output voltage and frequency of the inverter.
(2) Voltage and current detection circuit: isolated from the main circuit potential to detect voltage and current, etc.
(3) Driving circuit: the circuit that drives the main circuit device. It is isolated from the control circuit to make the main circuit devices on and off.
(4) Speed detection circuit: the signal of the speed detector installed on the shaft of the asynchronous motor is the speed signal, which is sent into the calculation loop. According to the instruction and calculation, the motor can run at the command speed.
(5) Protection circuit: detect the voltage and current of the main circuit. When overload or overvoltage occurs, in order to prevent the inverter and asynchronous motor from being damaged, the inverter stops working or the voltage and current value.
The input part of the frequency converter is a phase shifting transformer. The primary side is connected in Y shape, and the secondary side is connected in triangle along the side. There are 18 sets of three-phase windings, which supply power to each power unit respectively. They are evenly divided into Ⅰ, Ⅱ, Ⅲ three parts, each part has 6 pairs of three-phase small windings, the uniform phase offset between 10 degrees.
KUC720AE01 3BHB003431R0001 The characteristics of the inverter are as follows:
① The output voltage waveform is close to sinusoidal wave, which is controlled by multi-PWM mode.
② The multiplicity of rectifier circuit, pulse number up to 36, high power factor, small input harmonics.
③ Modular design, compact structure, easy maintenance, enhance the product interchangeability.
(4) Direct high voltage output without output transformer.
⑤ Low output, without any form of filter.
3BHB000652R0001 3BHB003431R0001 KUC720AE01
Packing
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