Description

ABB DSCL110 module

Contact: Mr. Lai
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Maintenance of ABB frequency converter

ABB frequency converters are widely used, and people usually have more opportunities to contact them. However, we are not professionals and certainly do not know how to maintain and protect. Now let”s listen to experts introduce ABB inverter maintenance.

The daily inspection items of ABB inverter include:

1. Before the converter is powered on, the temperature and humidity of the surrounding environment should be detected. If the temperature is too high, the converter will overheat and give an alarm. If the temperature is too high, the converter power components will be damaged and the circuit will be short circuited;

2. If the air is too wet, it will cause a direct short circuit inside the inverter. During the operation of the frequency converter, pay attention to whether the cooling system is in production, such as whether the air duct exhaust is smooth, and whether the fan has abnormal sound.

3. The abb frequency converter maintenance engineer tells you that the frequency converter with higher protection level, such as: the frequency converter above IP20 can be installed directly in the open, and the frequency converter below IP20 should be installed in the cabinet.

4. The heat dissipation effect of the inverter cabinet will directly affect the normal operation of the inverter. Whether the ventilation system of the inverter, such as the fan, rotates smoothly, and whether there is dust and obstruction at the air inlet are all matters that cannot be ignored in our daily inspection.

Regular maintenance of ABB inverter should also include:

1. Cleaning the cooling duct and internal dust of the air filter is a very important maintenance method. Check whether the screws, bolts and plug-in units are loose, and whether the input and output reactors have short circuit to ground and interphase resistance, which should normally be greater than tens of megaohms; Check whether the conductor and insulator are corroded, and if so, clean them with alcohol in time.

2. If conditions permit, use an oscilloscope to measure the stability of the voltage of each circuit output by the switching power supply, whether the method of measuring the waveform of each circuit of the driver circuit is distorted, whether the waveform between UVW phases is a sine wave, and whether the contact of the contactor has spark marks.

3. In serious cases, new products of the same model or larger than the original capacity shall be replaced; Confirm the correctness of control voltage and conduct sequential protection action test; Confirm that the protection display circuit is normal; Confirm the balance of the output voltage when the frequency converter operates independently.

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Company advantage service:
1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems

All kinds of module card driver controller servo motor servo motor embedded card wires and cables Power module control module is applicable to steel, hydropower, nuclear power, power generation, glass factory, tire factory, rubber, thermal power, paper making, shipping, navigation, etc

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Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts

ABB DSCL110

Description

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