Zhejiang SHUYI Electric Co., LTD; www.shuyitop.com; #softstarter; #vfd


Focus on industrial automation technology research and development, product innovation and industrial applications. We are committed to helping customers achieve the goal of maximizing production efficiency, providing customers with efficient, intelligent, accurate, and low-consumption products and complete industrial automation control systems.
Since its establishment, the company has become a national high-tech enterprise integrating R&D, production and brand operations through continuous innovation, surpassing and self-breakthrough. It has an absolute leading competitive advantage in the fields of technology research and development, production innovation, process reengineering, and technological innovation. Application and complete automation control system.

Today, ZJSHUYI enjoys:
.Over  20000 ㎡ three factories;
.100+  World class facilities;
.40+   R&D engineers led by doctors and professors;
.20+   Patent rights ;   
.60+   Sales engineer;
.600+  Staff;

Today, all ZJSHUYI Customers conveniently enjoy:

With high-quality products and high-quality services, ZJSHUYI is sold in Europe, America, the Middle East and other places through our broad market channels and service network. There are about 100 countries and 78 cities in the world

Committed to becoming the world’s leading automated control system, ZJSHUYI will continue to move forward and never stop!


www.shuyitop.com


#SOFTSTARTER;  #FREQUENCYINVERTER;  #VFD

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ZJSHUYI Maintenance requirements for frequency converters. www.shuyitop....

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Maintenance requirements in the day-to-day operation of the frequency converter 1. Check whether the cooling system is normal, and clean the dust of the air filter. 2. Check whether the screws, bolts and other fasteners of the inverter are loose, and perform necessary tightening; for the parts with soldering and crimping terminals, check whether there is corrosion, discoloration, cracks, damage, etc., and also check the frame Whether the structural parts are loose, whether the conductors and wires are damaged, etc. 3. Check whether the connection of the control circuit board is loose, whether the capacitor is leaking, whether the lines on the board are rusted, broken, etc. 4. Check whether the filter capacitor is leaking and whether the capacitance is reduced. 5. Check whether the insulation resistance is within the normal range. www.shuyitop.com; Tel/Fax: 0086-577-62840011 WhatsApp: 008613355775769 #VFD #INVERTER #frequencyinverter #frequencyconverter #shuyitop #converter ...
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ZJSHUYI Usually the soft start system is composed of softstart device. w...

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Usually the soft start system is composed of softstart device, peripheral circuit and motor load. Therefore, the objects protected by the soft start system are also the soft start device, peripheral circuit and motor load. The purpose of protecting the soft start system is to ensure the safe and reliable operation of thyristor components, #softstarter equipment and circuits, and not damage or cause safety accidents under various abnormal working conditions. The premise of #softstarter protection is that the design of the soft starter itself should be correct. The thyristor components are correct and used correctly, the drive circuit and the control circuit are reasonably designed and matched with each other, so that the device can work in a good state. These measures are the basis for the safe and reliable operation of the soft starter. Only under this premise, can the devices, circuits, and equipment fail less and not fail from the inside, and the optimized system design should aim ...
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ZJSHUYI Classic case of inverter maintenance failure.www.shuyitop.com; ...

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Foreword: Inverter repairers must keep in mind that the inverter module and the drive circuit are strongly related to failures. When the inverter module bursts and damages, the drive circuit is bound to be damaged by impact. The damage of the inverter module may also be caused by the failure of the drive circuit. Therefore, whether it is a failure of the drive circuit or the inverter output circuit, it must be The inverter output circuit and the drive circuit are thoroughly inspected together. The power-on test of the main circuit must be carried out under the premise that the drive circuit is normal and can output six excitation pulses normally. Inverter power failure A 132KW inverter has a black screen fault. Part of the wire drawing machine stopped in the wire drawing workshop, and restarted production after half a month. As a result, the inverter went black after being powered on. It was judged that the switching power supply was faulty on the spot. The inverter was removed, and th...
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