LS power automation drives are mainly for industrial enterprises and construction enterprises, including municipal, metallurgical, electric power, chemical and other power-oriented industrial enterprises, car, food and beverage, pharmaceutical and other professional enterprises, as well as OEM equipment manufacturing enterprises.
LS Power Production & Power China headquarters is established in Shanghai, with 3 legal entities, 3 production plants, 11 sales organizations, 24 after-sales service centers, and more than 1,300 employees in China. Sales organizations and after-sales service centers throughout China, respectively established in Shanghai, Beijing, Guangzhou, Chengdu, Qingdao, Tianjin, Shenyang, Jinan, Nanjing, Hangzhou, Shenzhen and other cities, to provide high-quality and timely pre-sales and after-sales service. In September 2005, LS established a Wuxi factory in China to produce inverters, PLCs, HMIs and low-voltage electrical products.
All of LS products have passed a variety of world certifications such as European CE certification, United States UL certification, Canada CUL certification, and ISO9001 certification, and are in line with the world's application standards.
IS7 inverter is a new generation of inverter for LS production, with IP21, IP54 two IP protection levels, and can be customized IP65, the expansion card strengthens the module mode, synchronous control and speed control occasions are widely used, in PCB machinery, material handling, dyeing and finishing equipment, foam machinery, lifting, printing machinery, parking equipment, wire drawing machines and other occupations have typical use.
"LS can also provide customers with specialized product development and 'green channel' services." ZHU KAIMIN, WHO INDEPENDENTLY OPENED UP PART LEAD IN SOUTH CHINA AUTOMATION, SAID. For example, in response to the special needs of industrial washing machine enterprises, LS has developed special inverter products for industrial washing machines.
At present, LS has outstanding performance in woodworking machinery, PCB machinery, LCD equipment, watch machinery, packaging machinery, printing machinery and other occupations in South China shopping mall.
Finally, Zhou Qiang, an independent developer of LS South China Automation, said, "LS South China Automation TEAM relies on excellent products, excellent marketing team and technical service team, integrates channel resources, provides the best solutions to customers, and wins the recognition of shopping malls and customers.
In the next few years, LS will focus on serving customers in the fields of water treatment, LED equipment, oil mining and refining (project), intelligent construction, parking equipment, lifting equipment, foam machinery, glass machinery and other fields in the South China Automation Mall. ”
LS Power's roadshow activities in Shanghai, Beijing, Guangzhou, Tianjin and other places in China are gradually underway, interacting with users at zero distance, so that more Chinese customers can feel: LS Power's transformation - announcing an onslaught to a wider range of subdivided shopping malls!
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Wiring of the main circuit of the inverter - LS generates electricity
1. The power supply should be connected to the R, S, and T terminals at the input end of the inverter, and must not be connected to the output terminal (U, V, W) of the inverter, otherwise the inverter will be damaged. After wiring, it is necessary to clean the trivial wires, which may cause abnormalities, failures and problems, and it is necessary to always keep ...
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The difference between multi-function inverter and general-purpose inverter - LS produces electricity
With the deepening of factory automation, the high efficiency and low cost of active warehouses, elevators, transfer systems, etc., as well as the high speed, high efficiency and high precision of small CNC machine tools, kneading and forming machines, textile and film machinery, etc.
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Motor & Electrical Control Technology Tips - LS Electricity Production
1. Low-voltage electrical appliances: refers to electrical appliances that play the role of on-off, maintenance, control or regulation in circuits with a rated voltage of 1200V and a rated voltage of 1500V and below.
2. Main electrical appliances: electrical appliances used to send control instructions in the automatic control system.
3. Fuse: ...
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LS power converter interference phenomenon
1. As soon as the inverter of the heat exchange station is opened, the pressure transmitter jumps randomly;
2. Use the inverter to control the water supply, the pressure transformer is used as the signal to collect the pressure, and the pressure transformer is disturbed by the inverter;
3. When the inverter starts the motor, the voltage converter signal is unstable and beats violently;
4. Pressure transformer (4-20 ...
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Fault analysis of servo motors – LS power generation
1. Problem phenomenon: servo error OL, servo motor can not start, and there is abnormal sound problem analysis and possible causes:
(1) Bearing damage, foreign objects falling and stuck, stator magnet bursting and falling or moving tissue jamming caused by the motor itself.
(2) ...
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Inverter circuit board repair and drawing-free maintenance method - LS power generation
1. Be "confident"
It is necessary to fully understand the principles of some typical circuits and be familiar with them. Guangzhou Kewo Training Center believes that drawings are dead, and the thoughts in the head are alive, able to make analogies, able to reason, and able to touch analogies. For example, switching power supply is always inseparable from ...
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Fatal failure of LS power terminal block
From the point of view of application, the function that should be reached is: it is necessary to conduct the local area where the touch part should be conducted, and the touch is reliable. If the insulating part should not be conducted, it is necessary to insulate it firmly. There are three common fatal problems in terminal blocks:
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Several basic functions of the inverter - LS generates electricity
The inverter mainly has the following functions:
1. Soft up
The direct launch of the inverter motor will have a severe impact on the power grid, and it will also have too high requirements for the capacity of the power grid, which is extremely unfavorable to the service life of equipment and power grid circuits.
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Electromagnetic interference caused by the working principle - LS power inverter
1. Harmonic disturbance
The rectifier circuit will produce harmonic current, which produces a voltage drop on the impedance of the power supply system, resulting in distortion of the voltage wave pattern, and the voltage of this distortion constitutes a disturbance on many appearances, and the common voltage distortion is the flattening of the top of the sine wave. Harmonic wave...
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The lightning protection port of the inverter - LS generates electricity
According to the applied engineering practice, variable frequency drive (VFD) lightning strikes can be roughly divided into direct lightning, induced lightning and conducted lightning. But no matter what form it takes to reach the device, it can be summarized as a lightning surge from the following four parts, which are called lightning protection ports here, with V ...
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Precautions for the coordination of inverter and PLC - LS produces electricity
As an alternative to traditional relays, PLC is widely used in various fields of industrial control. Because the PLC can be used to change the control process with software, and has the characteristics of small size, sensitive assembly, simple programming, strong anti-disturbance ability and high reliability, it is especially suitable for operation in harsh environments. ...
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The difference between input reactor and output reactor – LS produces electricity
The rectifier part of the general inverter selects the diode uncontrollable bridge rectifier circuit, and the middle filter part selects the large capacitor as the filter, so the input current of the rectifier is actually the charging current of the capacitor, and the harmonic component is relatively steep and steep.
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Why can't the inverter be equipped with a leakage protector - power generation
When using an inverter, a leakage maintainer must not be used. This is a major principle of the use of frequency converters.
Some users choose the corresponding leakage maintainer for the inverter when using the inverter. *The result is: the inverter moves together ...
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The basic problem of LS electric molded case circuit breaker
Rated current of LS molded case circuit breaker:
Now in the process of using molded case circuit breakers, it is necessary to understand the rated current of molded case circuit breakers, and the rated current of molded case circuit breakers generally has more than a dozen, mainly 16A, 25 A, 30A, and the high may reach 630A.
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LS Electric helps Cisco Smart City build an industry benchmark
In March 2019, LS Group signed a strategic cooperation agreement with Country Garden to build Cisco Smart City into an innovative model for smart cities. LS Electric will provide power distribution system solutions for Cisco (Guangzhou) Smart City, providing frame circuit breakers, molded case circuit breakers, vacuum circuit breakers, miniature circuit breakers, and micro circuit breakers.
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Meaning and classification of LS Electronic Motor Relay (EMPR).
The Electronic Motor Relay (EMPR) is a digital motor maintenance relay with an MCU that has a compact and compact form factor that can be combined directly with a contactor. Through the implementation of real-time data processing, high reliability and high precision can be completed, and it can pass through phase loss, reverse, unbalance, stalled rotor, connection...
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LS power terminal is faulty
From the perspective of application, the function of the terminal block should be achieved: the contact part should be conducted, and the contact should be reliable. The insulating parts should not be conducted, and it is necessary to insulate them firmly. There are three common forms of fatal failure of terminal blocks:
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Inverter external potentiometer connection method - LS power generation
The two wires are connected to the resistor, and the other wire is connected to the adjustment terminal.
The red thread is attached to the blackhead and inserted in a small hole.
Connect both ends of the IR potentiometer to +10V and ACM, and slide the termination to the voltage input terminal AVI.
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The difference between servo drive and frequency converter - LS produces electricity
Servo drives and frequency converters are defined differently
The driver, also known as servo manipulator and servo amplifier, is a kind of manipulator used to control servo motors, and its function is similar to that of a frequency converter acting on a general communication motor. It is part of the servo system, mainly used for high-precision positioning ...
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Key points of LS power BKN circuit breaker design
(1) The cooperation between the circuit breaker and the circuit breaker should consider the instantaneous trip device action value of the superior circuit breaker, which should be greater than the maximum expected short-circuit current at the outlet end of the lower circuit breaker.
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