ZJSHUYI Soft starter maintenance faults and solutions.www.shuyitop.com; ...

Soft starter input power failure 1. Check whether the input power is normal step by step. First, check whether the input power of the soft starter is normal. If the input power is abnormal, check whether the fuse is blown and whether the circuit breaker is out of phase. 2. If it is determined that the input power supply is normal, first consider replacing the soft-starting motherboard. This fault has occurred many times due to the quality of the motherboard. The soft starter panel has a black screen and no display 1. For such faults as blurry screen and black screen, most of them are quality problems, and the only way is to replace the soft-start motherboard. 2. If there is no display on the panel, first check whether the soft start control power supply (AC 220V) is normal. If the power supply is abnormal, then measure whether the fuse is blown, whether the circuit breaker is out of phase, and whether the control power line is disconnected. www.shuyitop.com; Tel/Fax: 0086-577-62840011 WhatsApp: 008613355775769 #softstarter #motorsoftstar #softstarters #Bypasssoftstarter#Onlinesoftstarter #SoftStarterRepair#softstartermarket #softstarterprice #builtinbypasssoftstarter #ZJSHUYI #Chinashuyi #shuyitop

评论

发表评论

此博客中的热门博文

ZJSHUYI Do you know what is a fire control cabinet? www.shuyitop.com; #S...

图片
Fire control cabinet (automatic control cabinet) is a kind of industrial control equipment that is more common in our lives, such as corridors, underground parking lots, gas stations and other public places. However, many friends do not know what it is called or what it is used for. The following ZJSHUI editor will explain what is a fire control cabinet. The fire control cabinet is a safe fire fighting tool provided by the pump factory. Its main purpose is to protect the pump motor from overvoltage, short circuit and overload. And also has a sound and light alarm function. It plays an important role in extinguishing fire and is also a fire safety device that can help control the fire after a fire occurs. There are many ways to start the control cabinet, including direct start, soft start, star-delta start, auto-coupling start, etc. www.shuyitop.com; Tel/Fax: 0086-577-62840011 WhatsApp: 008613355775769 #softstarter #motorsoftstar #softstarters #ZJSHUYI #Softstartcabinet
阅读全文

ZJSHUYI Common problems of soft starters. www.shuyitop.com; #softstarte...

图片
1. The motor can't get up There are two reasons why the motor cannot start. One is that one of the six thyristors is unreliable or non-conductive, the one-phase circuit passes half-wave DC, and the two-phase winding of the motor passes through the DC to start the motor. When the braking effect is reached, not only the motor cannot be started, but also the motor and the thyristor will be burned in serious cases. The second is that the motor cannot be started due to improper starting parameters or starting curve, which is the most common fault problem. 2. The thyristor is burnt The thyristor is destroyed or exploded. This kind of failure has nothing to do with domestic and foreign brands, but the failure rate is lower than that of the contactor. The main problem appears in the installation technology of the pie-type thyristor. 3. Controller burnout Compared with the soft starter, the controller burns the most seriously. Some manufacturers have this failure with repair rates in excess
阅读全文

ZJSHUYI ZJSHUYI Difference between soft starter and frequency converter....

图片
First of all, the purpose of the soft starter and the frequency converter is different. The main problem solved by the soft starter is to reduce the starting current of the large load and reduce the impact on the power grid. The startup of large equipment will generate a very large startup current, which will cause a large voltage drop. If the traditional star-delta and other step-down methods are used, it will not only cause a larger current impact to the power grid, but also cause a larger load to the load. Mechanical shock, in this case, a soft starter is often used to start, to achieve no shock throughout the start, so that the motor starts more smoothly, thereby reducing the capacity of the power supply. The frequency converter is mainly used in places with speed regulation. It can control the speed of the three-phase motor, such as the speed regulation of the spindle motor of CNC machine tools, the transmission control of mechanical conveyor belts, large fans, and heavy-duty mach
阅读全文