1 Introduction In my country, the annual electricity consumption of fans accounts for more than 10% of the total consum...
This article covers diagrams of PLC system I/O wiring, PLC wiring, inverter wiring, PLC external wiring, and Mitsubishi...
1 Introduction Chilled water is a fundamental system in factory utilities. A chilled water pressure control system base...
PLCs and frequency converters have a relationship of inclusion and being included. Both PLCs and frequency converters c...
I. Three connection methods 1. Switching input/output connection The inverter is controlled using the PLC 's digita...
In high-voltage frequency conversion systems, we recognize that the signals in the control unit cabinet are primarily l...
1 Introduction If the intermediate DC link of an AC-DC-AC frequency converter uses a large capacitor for smoothing, it ...
Currently, research on high-voltage motor variable frequency speed control technology is very active worldwide, and var...
Inverters are being used more and more widely now. So how do we control inverters with PLCs? Below, I will briefly writ...
Speed-regulating motors were originally designed for AC speed regulation, but the rise of variable frequency speed cont...
1 Introduction With the continuous development of power electronics, microelectronics, and microprocessors, the speed r...
Before the frequency converter outputs voltage to the stator of the synchronous motor, the excitation device first supp...
When using a frequency converter to drive a motor, we often encounter situations where the motor is noisy. There are es...
1. Why can the rotational speed of an electric motor be changed freely? Motor rotation speed is measured in r/min, whic...
Company Profile Shenzhen Sifang Electric Technology Co., Ltd. is a private high-tech enterprise in Shenzhen, recognized...