The energy consumption braking unit, with appropriate braking resistance, can absorb and consume the regenerative energy generated by the speed-regulating motor in the deceleration process on the resistance, and obtain good braking effect. The regenerative energy generated by the motor in the process of speed regulation is directly consumed on the brake resistance, the required equipment is simple and the cost is low. All products come from highly reliable design and sophisticated manufacturing technology, and each product can play a greater role. Application equipment: Suitable for inverter braking, servo system, power supply and other electrical circuits. The function is to consume the regenerative energy generated by the motor in the process of deceleration in the form of heat energy on the brake resistance, so as to improve the braking performance of the inverter and shorten the braking time of the frequency converter....
The sine wave filter is connected between the power supply and the frequency converter, which can limit the current impulse caused by the voltage mutation of the power grid and the operating overvoltage, effectively protect the frequency converter and improve the power factor of the frequency converter, and inhibit the harmonic current input by the frequency converter to the power grid. The input AC reactor limits circuit feedbacks in the form of harmonics. They can also reduce the AC current and its frequency caused by converting the input rectifier in the DC-connected capacitor. Application equipment: Suitable for industrial power supply, inverter power supply, machine tool equipment, frequency conversion equipment, etc....
The output reactor is used for smooth filtering, reducing the transient voltage dv/dt, and extending the motor life. Can reduce motor noise, reduce eddy current loss. Reduce leakage current caused by higher harmonic output. Protect the power switching device inside the inverter.The output reactor can reasonably select magnetic materials (silicon steel sheet, ferrite, amorphous iron core, magnetic powder core) according to the frequency of customer use; The foil winding structure with high performance is adopted, which has small DC resistance, strong resistance to electromagnetic force, and strong short-term overload ability. The use of high performance F class and above composite insulation materials, so that the product can still maintain reliable performance under harsh working conditions; The reactor design has low magnetic flux density, good linearity, strong overload capacity, and low noise with vacuum pressure impregnation process reactor....
Input reactors are current limiting devices that are used on the input side of the drive to protect the AC drive from transient overvoltages. It can reduce the surge and peak current, improve the real power factor, suppress the harmonic wave of the power grid, and improve the input current waveform.Input reactor: winding structure, with small DC resistance, strong short-circuit resistance, short time overload ability; The use of high performance F class and above composite insulation materials, so that the product can still maintain reliable performance under harsh working conditions; The reactor design has low magnetic flux density, good linearity, strong overload capacity, and low noise with vacuum pressure impregnation process reactor; The core is made of high quality and low loss cold-rolled oriented silicon steel sheet, which has small reactor loss, high efficiency and low temperature rise....
Excellent conduction filtering effect, used to suppress the electromagnetic interference generated by the frequency converter, reduce the coupling interference of the output end of the frequency converter to the outside world, effectively reduce the high frequency harmonics of the IGBT output, solve the problem of frequency converter interference with the motor; Prolong the service life of the motor, inhibit dv/dt, alleviate the damage of the output peak voltage of the inverter to the motor, reduce the RF interference generated by the long cable of the output end of the inverter, and improve the reliability and anti-interference of the equipment. It is specially designed based on the field that the input end interferes with the electric network and the digital equipment such as PLC and DCS system when the inverter is working. Good common mode and differential mode suppression ability, can effectively inhibit the frequency converter, servo drive and other equipment to the outside conducted interference, to ensure the normal operation of peripheral equipment; Standard matches a variety of low-voltage inverters....
Inverter is a high-performance vector inverter, rich in functions, powerful, excellent performance, stable, can drive three-phase AC asynchronous motor or three-phase AC permanent magnet synchronous motor, in the control and adjustment of three-phase asynchronous motor or three-phase synchronous motor torque and speed, low speed and high torque output, with good dynamic performance, super overload capacity. It supports a variety of I/O expansion boards, a variety of PG boards, a variety of communication expansion boards, and is widely used in various automatic production equipment and various automatic production lines....
The intelligent motor soft starter is a new type of starting equipment produced by power electronics technology, microprocessor technology and modern control theory technology. The product can effectively limit the starting voltage of asynchronous motor when starting, and can be widely used in fans, pumps, conveying and compressors and other heavy duty equipment, is the ideal replacement of star/triangle conversion, autobuck, magnetic control buck and other buck starting equipment....