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 ...

When the inverter current is too large, exceeding the limit value of the inverter, the maintenance circuit will produce action, so that the inverter trips and stops, and the phenomenon of repairing such inverter can be divided into energized ...

On April 15, 2011, the "Century Tour of China's Automation Industry (CAIE2011)" was held in Beijing, and Sunland inverter was once again re-elected as "China's well-known brand of domestic inverter". Dr. Chen Bin, President of Continental Hope Group and Chairman of Hope Sunland Technology Co., Ltd., personally ...

1. Repair the damage of the inverter rectifier block The damage of the inverter rectifier bridge is also one of the common faults of the inverter, the inverter rectifier block in the early production is mainly diode rectifier, and now some rectifier blocks choose the rectifier mode of thyristor (voltage regulation and frequency modulation inverter). Middle...

The inverter includes a rectifier circuit and an inverter circuit, and the input communication electricity is converted into DC voltage through the rectifier circuit and flat-wave circuit, and then through the difference between strong and weak current, it is mainly reflected in the different uses. Strong electricity is used as a kind of power power, and weak electricity is used for information transmission. In detail ...

There are many control methods for inverters for fans and pumps, which can be selected according to specific conditions. Here are a few common scenarios. (1) Manual adjustment This is the simplest control method, that is, the operator instructs according to the instrument, ...

1. Please clarify the maintenance function of the inverter? (1) After detecting the abnormal situation, take the initiative to correct the action, such as overcurrent loss speed prevention, regeneration overvoltage stall prevention. (2) Block the power semiconductors after detecting the abnormality...

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...

The wearing parts of the driver mainly include electrolytic capacitors for filtering and cooling fans, and their service life is closely related to the environment and maintenance of the operation. Depending on the operating moment, the user can determine whether a wear part needs to be replaced. Cooling ...

On December 10, 2014, the inverter branch of China's electrical appliance industry association and the national inverter speed regulating equipment standardization skills committee professional annual meeting was held in Shanghai, 120 representatives from more than 80 professional enterprises attended the meeting, and expected Senlan to also serve as the vice chairman of the inverter branch ...

Air pollution in port cities mainly comes from cargo loading and unloading operations and emissions from ships calling at ports; Shore power connection refers to the closure of the auxiliary engine during the port of the vessel, and the shore power is supplied by the port. At 9:08 on December 25, 2018, the world's first ...

Grid-connected photovoltaic inverter is one of the core components of solar photovoltaic power generation system, the main types are: central inverter, modular inverter, micro inverter, DC ...

The charging module is a DC charging module developed to meet the high voltage and high current of electric vehicles. The module has many advantages such as high efficiency, high power factor, high power density, and high reliability. The module selects the three-phase AC input method without a centerline. DC output voltages range from 250V to 750V ...

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 ...

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 ...

The gantry milling machine is a machining equipment for processing larger workpieces, and its electrical control system includes two parts: the main transmission of the workbench and the logical control of the feed organization. Henan Jiaozuo Maike Company has a gantry milling machine, which has been used for many years since the 70s. The main drive of the operating table of the gantry milling machine is selected ...

Input rated voltage, frequency 3 phase: 380V, 50/60Hz allowable scale Voltage: 320-420V; Voltage unbalance: <3%; Frequency: 47 - 63 Hz Output output voltage 3 phases, 0V - input voltage, error less than 5% Output frequency scale ...

Hope Sunland Technology Co., Ltd. is a national key high-tech enterprise dedicated to the research and development of high, medium and low voltage frequency conversion technology and the design, development, production, sales and service of related products.

The operating principle of the inverter determines that it will have a certain disturbance, which may bring EMC (electromagnetic compatibility) problems to the equipment or system, and the inverter, as an electronic device, will also be affected by external electromagnetic disturbance. Below...

Hope Senlan inverter control panel button function diagram 1. The "FUNC/DATA" button is a programming key, press this button once to convert the operation mode, and press it again to read and write the utility code. 2."S ...

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 ...