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	Misunderstanding of the use of inverter - Senlan inverter Poor choice This should be the situation that friends have encountered the most in the Z, the situation of large horse-drawn carts and small horse-drawn carts is everywhere. The big horse-drawn trolley is not bad, at least there is no big problem in use, the most investment has been added, and the equipment can still operate normally; But the small horse-drawn cart ...
	Methods to reduce the maintenance cost of inverter - Senlan inverter Frequency converter is a widely used equipment in modern factories. This is a very expensive new type of equipment, and the maintenance price of the inverter is also very expensive, so in the process of using the inverter, we should pay attention to the use of the inverter. Thing...
	Learn the way of inverter - Senlan inverter The inverter is an essential accessory in industrial use, and its main function is to regulate the speed of the motor. It is widely used in various equipment such as production F-line and machine tools. Many engineering people have touches. The functions of the inverter are many, the parameters are complex, and it is difficult to play without professionals. ...
	The difference between inverter and inverter power supply - Senlan inverter 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 ...
	Senlan low-voltage inverter has four series of applications 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 ...
	Automatic gain adjustment part - Sunland inverter In fact, there are also options for automatic gain adjustment, which generally divide the control response into several levels, such as high echo, medium echo, and low echo, which can be set by the user according to actual needs. Azimuth Share Buff: 1. Set the share gain of the azimuth ring adjuster; 2 ...
	How far apart is the motor from the inverter - Senlan inverter The supplier of the supporting equipment of the inverter reminds you that the voltage waveform output by the inverter is similar to a sine wave, but not a real sine wave. Its waveform contains a large number of harmonic components, especially the higher harmonics will increase the output current of the inverter, causing the motor winding to heat up, and produce oscillation.
	Frequency conversion speed regulation of several special motors - Senlan frequency converter A. Wound rotor asynchronous motor The rotor winding of the wound rotor asynchronous motor is a set of three-phase windings with star connection. The end points of the three-phase winding are connected to the three collector rings, which are connected to the brushes and the external resistor (for starting or speed regulation) through the collector rings. Select inverter ...
	What are the peripheral equipment for inverter selection - Senlan inverter After the inverter selection is completed, it is necessary to consider whether other peripheral equipment needs to be equipped according to the actual situation of the site. The peripheral equipment for frequency converter selection mainly includes circuit breakers, reactors, contactors, braking resistors, etc. 1. Circuit breaker ...
	The reason for the increase of the torque of the inverter - Senlan inverter It is important to set the torque to improve the function. When the power frequency of the motor decreases, the speed of the motor will also decrease, and if the load torque remains unchanged, the output power will also decrease. According to the principle of conservation of energy, if the rotation of the load ...
	The cause of vibration and noise in the inverter - Sunland inverter Generally speaking, the inverter will inevitably present some problems during operation, such as oscillation and noise, which are common problems in VFD operations. So, what causes oscillation and noise in VFDs? What is the solution to these problems? Here are the causes of VFD oscillation and noise ...
	The basic requirements of VFD installation design - Sunland inverter (1) The VFD should be installed in the control cabinet. (2) The VFD is best installed in the center of the control cabinet; The VFD It should be vertically installed with the top and bottom protected from large parts that may obstruct the exhaust and intake. (3) VFD control cabinet or partition, or the upper and lower parts of the necessary device ...
	How to expand the application range of inverter - Sunland inverter In the electrical profession, the use and development of energy-saving frequency conversion is very good, which has promoted the electrical profession to reach the pinnacle of science and technology again. Frequency converter (VFD) has a very good development shape in China, but it still has to withstand various tests. As long as you give full play to your professional advantages, you can gain a firm foothold in this society. VFD ...
	Solve the inverter fault method - Sunland inverter Motherboard faults are often manifested as faults that are difficult to visually identify, such as system startup failure and screen invisibility. You can use a brush to gently brush off the dust on the motherboard, in addition, some plug-in cards and chips on the motherboard are in the form of plugs.
	Whether the front end of the inverter can be installed with a motor protector - Senlan Frequency conversion speed regulation motor is generally selected 4-level motor, the fundamental frequency operation point is planned at 50Hz, the frequency 0-50Hz (speed 0-1480r/min) scale of the motor for constant torque work, the frequency of 50-100Hz (speed 1480-2800r/min) scale of the motor for constant power work, the whole speed regulation scale of (0 ...
	Sunland low-voltage inverter division series 1.HG1000 high-performance light-load intelligent inverter, the most cost-effective, the new series is widely used in medicine, food, packaging, cable, printing and dyeing, washing, centrifuge, dehydrator, sewage treatment, HVAC, constant pressure water supply, constant temperature control, flow control and other industries, such as fans and pumps, ...
	The sequence of inverter commissioning steps - Sunland inverter Investigation of the function of the inverter system Before debugging the inverter, it is necessary to carefully read the instruction manual and related information of the inverter to be debugged to understand the use environment and precautions. Especially before the inverter is energized, it is necessary to carefully investigate and check whether the inverter has obvious problems.
	Control the hovering function operation and principle of the inverter - Sunland inverter How does the hovering function of the inverter work? When the speed of the asynchronous motor is 0, the encoder response is meaningless, and it needs to be converted to V/F control, and the frequency is set to 0; The voltage is set to 0 speed at which the motor promises to withstand the current at the moment ...
	EMC rules for inverters - Sunland inverters When various factory equipment uses frequency conversion speed regulation, harmonic disturbance will occur on the power supply side and motor side of the inverter (VFD), which will form electromagnetic disturbance to the power supply network and other electrical equipment near the VFD. In addition, in order to ensure the long-term reliable operation of the VFD, the wiring of the VFD is very important. ...
	Precautions for using inverter - Sunland inverter A frequency converter (VFD) is an electrical energy control device that converts a power supply to another frequency by using the on-off effect of power semiconductor equipment. It can realize the soft start, frequency conversion speed regulation, improved operation accuracy, power factor, overcurrent/overvoltage/overload protection of AC asynchronous motor, etc.
	A contactor is used between the inverter and the motor - Senlan inverter Whether a contactor is used between the inverter (VFD) and the motor depends on the specific situation. When the contactor is on and off when the motor is running, the operating overvoltage is easy to cause VFD damage. Therefore, whether to use the contactor, it must be based on the actual situation to make the correct ...