1. After the inverter is repaired, the power number needs to be modified, don't forget it
Generally, an inverter corresponds to a power number (also known as the number of horsepower), for example, a 75 kilowatt inverter is set under heavy load, and 100 kilowatts is set under light load. In this way, customers will not show a mismatch phenomenon when using it.
Some inverters are set at the factory or even forget to set the number of power, which ultimately leads to the incorrect use of the customer's site. In fact, after the repair of each inverter, it is necessary to pay attention to check whether the set parameters meet the needs of customers. This is not negligent.
2. The waveform test must not be less
The waveform test focuses on testing whether the driver board and the inverter composition equipment are good, and the test process is measured under high-voltage DC transmission, and the first safety can not be ignored, and secondly, the test point must be accurate, and it is not possible to form a short circuit and set up damage to important components.
3. Screw tightening inspection can not be ignored
The danger of loosening the screws should not be underestimated. For example, the loosening of the three-phase input and output terminals can lead to the unevenness of the three-phase input and output, and even burn out the terminal row in the state of high current, and even cause load damage due to lack of phase.
Loosening of the grounding screw can lead to poor grounding and increase the touch resistance. It shows the phenomenon of fire ablation.
In summary: these links are the most likely to be negligent, and the consequences of negligence are more serious. Similar problems have already been presented in the ordinary production process, and it is necessary to make a good experience analysis. Don't touch on similar issues again.
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Schneider improves plant performance with automated control
1. Engineering planning one by oneWith data at their fingertips and intelligent and sensitive functions, engineers can easily plan and test equipment, improve process availability, and easily complete system integration together – ultimately reducing the planning time by up to 25%.
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