Inverter classification method - Senlan inverter

1. Due to the large moment of inertia of the air compressor, the capacity of the inverter should be determined according to the specific working conditions and the operating current of the site. 2. The pressure sensor should be in the pressure change is not relative...

1. Motor control The inverter is mainly used in the field of motor control, which can complete the speed control, torque control, and azimuth control of the motor. The inverter can adjust the speed and load of the motor according to the process requirements, which can improve the output power and quality. 2. Air conditioning refrigeration ...

First of all, we need to understand a truth, that is, many times the good and bad of things are relative. The variable frequency drive (VFD) is used as a power source to drive the operation of the motor, and its fundamental role is to regulate the speed. If the wiring is normal, the parameters are reasonable, and the load is not ...

With the passing of time, the inverter has now fully penetrated into the work of major industries. In our daily use, we will inevitably encounter all kinds of problems. For example, I forgot the cipher code of the inverter. See here ...

There are many special faults, which come and go, looming, making it impossible to judge and deal with. At this time, you can clean the circuit board with water or alcohol, and brush off the dust and rust on the circuit board with a soft brush, especially pay attention to the solder joints are dense, and the circuit near the 0 volt copper layer is also ...

After inspection, the circuit board of the machine is composed of a fan switching power supply board, a control board with a switching power supply and a driving board, etc., the fan power supply and the control board operation power supply are independent of each other, the fan power supply output is normal, and the control board operation power supply is not output due to the problem. ...

The selection of the inverter should be considered according to the type of controlled object, speed regulation scale, static speed accuracy, starting torque, etc., so that it can be easy to use and economical together with meeting the process and production requirements. According to the different forms of devices, it can be divided into four types, which can be divided into four types according to the controlled motor power and field device ...

Belt conveyor is a kind of continuous conveyor, which is one of the main types of fixed or escorted cranes. Belt conveyor is the use of friction to convey the dynamic, with belts, steel belts, steel fiber belts and chemical fiber belts as a kind of compliance with the transmission of materials and traction operations.

1. The power-on trip or the main power terminal part of the inverter shows sparks. Disconnect the power cord, check whether the input terminal of the inverter is short-circuited, and check whether the DC side terminals P and N of the central circuit of the inverter are short-circuited. Perhaps the cause is a damaged rectifier or a short circuit in the central circuit. 2 ...

First, the operation of the machine before the technical transformation The sugar separation process of a sugar factory in Yunnan uses centrifugal dehydration method. The separation machine is mainly composed of a cone drum and a drive motor, and the motor shaft is directly connected to the bowl. Solid sugar crystallized from a high concentration of sugar water, in a cone bowl ...

1) Oil circuit inspection: Open the safety valve to check whether there is any leakage in the oil circuit. 2) Line check: whether the R, S, T, PE on the input side of the driver, U, V, W, PE lines on the output side and the control line are corresponding. 3) Check whether the power supply voltage of the incoming terminal of the servo drive is normal ...

1. U/f stable control U/f control is to change the voltage of the motor power supply together with changing the frequency of the motor power supply, so that the magnetic flux of the motor is kept constant, and the efficiency and power factor of the motor do not decrease within a wide range of speed regulation. Because it is to control the voltage and frequency ...

What is an inverter power supply? A variable frequency power supply converts the alternating current from the main power supply from AC→DC→AC to a pure sine wave. The output frequency and voltage can be adjusted within a specific range. Unlike the inverter governor used for the speed control of electric motors, it is also different from the general AC power supply. Aspiring AC ...

The wiring of the inverter cabinet refers to the correct connection between the inverter and the motor, power supply and other equipment. The wiring requirements of the cabinet are carried out in accordance with the electrical principles and equipment specifications to ensure the normal operation and safety of the system. The following is the cabinet ...

The general operation process is as follows: Enter the program through the operation panel and set the parameters, and set the relevant parameter groups such as the start-stop method, operation and control form according to the requirements of the industrial control. After confirming that the wiring is correct, the no-load power on test run and ...

In addition to the limitation of the maximum promised current of the special energy consumption braking unit of the inverter, the selection of the braking resistor has no clear correspondence with the braking unit, and its resistance value is mainly selected according to the size of the required braking torque. Power...

(1). Constant torque load Different speeds, load resistance and torque base are stable. The output power is directly proportional to the rotational speed. Such as belt conveyors. (2). Constant power load Different speeds, stable load power base ...

The input and output currents of the inverter contain many higher harmonic components. In addition to the lower harmonics that can constitute the reactive power loss of the power supply, there are many harmonic components with high frequencies. They will transmit their own energy in various ways, forming a positive impact on the inverter itself and other equipment.

Today, with the rapid development of science and technology, with the continuous improvement of industrial automation, inverters have also been widely used. Choosing a suitable inverter is very important to ensure the normal and efficient work of the inverter, but in practice, it is necessary to pay attention to some ...

1. The cause of inverter leakage According to the inverter to control the operation of the motor, the three-phase electricity is supplied to the inverter bridge (IGBT) through the filter capacitor through the rectification, and then the operation of the motor is controlled by the three-phase electricity with adjustable output frequency and voltage of the inverter. We all know that the three-phase stator winding of the motor ...