Информация о новостях
What to do about excessive wind turbine noise?
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Check for exceeding rated operating conditions.
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Install a silencer or sound enclosure.
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Confirm whether pipe vibration is transmitting noise (reinforce or use flexible connectors).
What are high-voltage and low-voltage electrical control cabinets?
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High-voltage electrical control cabinet (Such as 10kV switchgear): Used for the distribution, protection, and control of high-voltage equipment (such as transformers, motors), with voltage levels generally ≥1kV.
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Low-voltage electrical control cabinet (Such as 400V switchboard): Voltage ≤1kV, used for power distribution and circuit protection (such as MCC cabinets, ATS cabinets).
What are the entry and exit methods for the control cabinet?
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Top entry and exit : Cables enter and exit from the top of the cabinet (space-saving).
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Bottom entry and exit : Cables enter and exit from the bottom (common in trench wiring).
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Side entry and exit : Suitable for compact installation.
Possible reasons for the electrical control cabinet tripping?
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Overload ：The load current exceeds the breaker setting.
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Short circuit ：Short circuit in the line or equipment (check cables, contactors).
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Leakage ：Insulation damage (check with a megohmmeter).
What are the differences between dry-type and oil-immersed transformers?
What to do when the transformer temperature is too high?
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