What are the requirements for transformers when high-power compressors start up?
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What are the relevant indicators, and what are the requirements? This post was last edited by brainandrain on 2009-2-19 15:28.]
By calculating the starting current, the allowable voltage drop of the transformer can be determined; generally, this voltage drop is 15%. Transformer manufacturers have corresponding design specifications. Additionally, the capacity of the external power grid is also a key factor.
How much power is it? If it is too large, it is recommended to use a special transformer. If it’s not too large, calculate or consult the starting current of the compressor. All transformers have a rated current; do not exceed it. Try to have some capacity. The most important parameter of a transformer is temperature, and this temperature must not be exceeded under any circumstances. It’s not a big problem if the current exceeds 10% for a short period of time.
The startup of high-power compressors (motor-driven) requires starting under no-load conditions with a gradual increase in load, in order to protect the drive motor, reduce fluctuations in the power grid, and safeguard the grid transformers.