Sunland low-voltage inverter division series

What is a frequency converter? The inverter is a converter that converts the communication electricity with fixed voltage and frequency into the communication electricity with variable voltage and frequency, which is called the inverter. It is mainly used in the local demand for speed regulation, and its output not only changes the voltage but also changes the frequency together; The soft engine is really ...

The types of production machinery are complex, the functional and process requirements are different, and the torque characteristics are also different, therefore, before the application of the inverter, the first thing is to understand the nature of the load carried by the motor, that is, the load characteristics, and then select the inverter and the motor. There are three types of loads: ...

The thyristor communicates the voltage regulation and soft starts The communication and voltage regulation soft engine of the thyristor is mainly to change the connection method of the thyristor, and the traditional connection method is changed to connect to the three windings, so that the power supply of the thyristor is completed by the method of parallel connection. Thyristor soft starters have a strong ...

The following application case of Sunland SBH series high-voltage inverter is a very comprehensive display of the eight development directions of high-voltage inverter High-voltage inverters, petrochemicals, mining, electricity Application plan 1 petrochemical occupation: Senlan twin ...

1. The rectifier module is damaged It is usually caused by grid voltage or internal short circuit. In the case of excluding internal short circuits, the rectifier bridge is replaced. 2. The inverter module is damaged It is usually caused by damage to the motor or cable and the failure of the drive circuit. After repairing the drive circuit, ...

ER. The meaning of the OUE fault code is: overvoltage during standby. The possible reasons are: 1. DC bus voltage detection circuit failure; 2. The input voltage is abnormal or the power is lost during operation. It can detect whether the power supply voltage used by the inverter is normal, and in addition, it is necessary to check whether the power supply line of the inverter is ...

1: In the operation of the motor, if dust, water stains and other debris enter its interior, it will constitute a short-circuit medium, which can damage the wire insulation layer, form an inter-turn short circuit, increase the current, increase the temperature and incinerate the motor. Therefore, dust, water stains and other debris should be prevented from entering the motor.

1. Select the inverter according to the load characteristics Second, when selecting the inverter, the current value of the practical motor should be used as the basis for the selection of the inverter, and the rated power of the motor can only be used as a reference. Secondly, it should be fully considered that the output of the inverter contains higher harmonics, which will form the power factor of the motor.

1. The ambient temperature ---- is generally "-10-+40°C"; Derating between 40 and 50°C, the additional output current must be reduced by 1% for every 1°C increase. If the ambient temperature is too high and the temperature changes greatly, the insulation of the inverter will be greatly reduced, which will affect the life of the inverter. ...

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 ...

1. Select the inverter according to the load characteristics, such as the load is constant torque load, you can choose Siemens MM440 inverter, ABB ACS800 series inverter, etc.; If the load is a fan or pump load, you can choose Siemens MM430 inverter, ABB ACS510 series inverter, etc. 2、 ...

Myth: The inverter selection only needs to consider the load power When purchasing a frequency converter, many users usually only match the capacity of the frequency converter based on the power of the drive motor. In fact, the load driven by the motor is different, and the requirements for the inverter are also different. ...

Advantage 1: Energy saving The motor adopts frequency converter speed regulation, and its power can be improved by 5%-10%. The inverter accounts for 20%-30% of the total capacity of the communication motor in the drag of load equipment such as fans, pumps, extruders, mixers, etc., which has a significant energy-saving effect, because the consumption of the fan and water pump is significant.

At present, the domestic air compressor market takes the goal of energy saving, environmental protection and cost reduction as the primary demand, and the new products developed are very popular. However, economically speaking, it cannot completely replace the conventional screw air compressor with large area and large capacity in use. Therefore, the use of inverter technology to ...

For the most popular electrical control equipment inverter (Variable-frequency Drive, VFD), as a precision electronic industrial control equipment, in order to run smoothly for a long time, we, as professional and technical personnel, need to be on the VFD device or before the operation.

1.SB200 fan pump special inverter, widely used in textile, printing and dyeing, washing, cable, packaging, machinery, ceramics, constant pressure water supply, constant temperature control or various OEM. 2.HG1000 high-performance light-load intelligent inverter ...

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 ...

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 ...

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 ...

From September 15th to 19th, the 22nd China International Industry Fair was held at the National Convention and Exhibition Center (Shanghai). As the first national industrial exhibition held under the normalization of epidemic prevention and control this year, the theme of this expo is "Intelligence, Interconnection: Enabling the New Development of Industries".