There are many setting parameters of the inverter, each parameter has a certain selection scale, and the inverter can not work normally due to the improper setting of a single parameter is often encountered in the application, therefore, the relevant parameters must be set correctly. ...

There are two main differences between vector inverter and general inverter, the first is high control accuracy, and the other is high output torque at low speed. It can output 150%-200% of the rated torque. It should be vector frequency conversion is to decompose the motor current into D-axis current and Q-axis current, where D-axis current is excitation current ...

First, the maintenance of the inverter must first check whether the sound in the operation of the motor has changed abnormally, including, whether the motor is in operation to form a sensation. 2. Check whether the natural environment of the inverter installation has changed. For example, whether the operating temperature is normal. Learn more about Delta's inverter ...

1. The main reason for VFD overload (1) Mechanical overload. The main characteristic of overload is the heating of the motor, which can be detected by reading the operating current on the display. (2) The three-phase voltage imbalance leads to excessive running current in a certain phase, resulting in overload tripping. It is characterized by uneven heating of the motor ...

Short-circuit maintenance (overload maintenance) is an important function of circuit breakers, and the reason why this function is achieved is that the circuit breaker senses the temperature in the circuit through a thermal iron plate. Once the temperature in the circuit is too high, it is transmitted to the mechanical mechanism in the circuit breaker for trip maintenance. ...

1. Soft start is energy-saving The hard start of the motor will cause a serious impact on the power grid, and it will also require too high the capacity of the power grid, and the large current generated when the motor is started and the sensation will cause great damage to the baffle and valve, and the service life of the equipment and pipeline will be extremely unlucky. And the use of inverter energy-saving devices ...

There are three speed regulation methods for DC motors: armature loop string resistance, armature voltage regulation and speed regulation, and weak magnetic field speed regulation. The three speed regulation methods can achieve stepless speed regulation. 1. Armature loop string resistance The applied resistor is connected into the armature circuit to achieve the purpose of speed regulation. Speed Direction: Add ...

For those who are familiar with Delta's automation, they know that Delta's inverters have two main series: "M300" and "C2000". "Compact Inverter M300 Series": This series has been introduced many times before, including MS300 (standard general-purpose type), MH300 (high power ...

Low-voltage circuit breakers, commonly known as active air switches, are one of the primary electrical switches in low-voltage distribution networks. It can not only turn on and off normal load current, motor operation current and overload current, but also turn on and off short circuit current. It is mainly used as a low-voltage distribution line or a switch cabinet that is not often operated ( ...

(1) The wiring interval between the braking unit and the inverter, as well as between the braking unit and the braking resistor, should be as short as possible (the wire length should be less than 2m), and the wire cross-section should meet the requirements of the braking resistor discharge current. (2) The brake unit is working ...

1. Each VFD should be cleaned and protected once a quarter. Protecting and cleaning equipment must have specific records and the signature of the person in charge. As long as the management is in place, the task can be completed with quality and quantity; 2. Before cleaning, the power supply must be blocked, and the voltage must be reduced to a safe voltage before starting to work. ...

Industrial control automation products inverters are depicted as power-saving, energy-saving control automation products, therefore, many people will think that as long as the equipment is installed with inverters, it will be able to save energy, but this is not the case. The inverter of industrial automation products itself produces energy-saving ...

In the process of repairing the inverter, it is found that because of the back electromotive force in the stator winding, the electromotive force in the synchronous generator state and the self-induced electromotive force in the self-induced rotor, the current impact must have a negative impact on the motor, the inverter (Variable-frequency Drive, ...

1. What is a Delta inverter? Delta inverter is a device that converts the power supply (50Hz or 60Hz) into a communication power supply of various frequencies to realize the variable speed operation of the motor.

(1) Ambient temperature: The inverter is the same as other electronic equipment, and has certain requirements for the ambient temperature, which is generally "-10-+40°C". Because the inverter is a high-power electronic equipment, it is easy to be affected by the operating temperature, but in order to ensure the safety of the inverter...

Delta's inverter problem 1: Communicate with the motor driver to explore the formation of overvoltage conditions on the internal DC high-voltage power supply side Check whether the keyed operating voltage is in the field of the additional value of the communication motor driver keying operating voltage, and detect whether there is a surge operating voltage formation If it is due to ...

Inverter is a kind of speed regulating device, where to use the motor speed regulation, especially asynchronous motor speed regulation, will use the inverter, now mainly in industrial equipment has been used on a large scale, because the motor is the heart of the industry, and the three-phase asynchronous motor occupies the vast majority of the share, ...

There will be some difference between the parameter setting of the inverter at the factory and the requirements of practical application. Therefore, the reasonable setting of the inverter parameters is directly related to whether the inverter can be used normally, which is of decisive significance. General-purpose inverters generally have dozens or even hundreds of functional parameters.

1. Set temperature: Press the SET button to set or view the temperature set point. Press the SET key digital tube character beginning flash, indicating that the appearance has entered the setting state, press the △ key to increase the set value, press the ▽ key to decrease the set value, press and hold the △ key or ▽ key The data will change rapidly, press the SET key again The appearance back ...

In order to protect the inverter, when the bus voltage is too low, the inverter will report the undervoltage problem and close the pulse output of the inverter. This is an important and necessary way to protect the inverter equipment from damage. This issue also cannot be blocked. ...

With the continuous development of science and technology, there are more and more types of domestic machinery and equipment, and the upgrading of equipment is getting faster and faster. So what are the characteristics of two-phase electric fan inverter and whether it is worth choosing for enterprises. ...