Installation location of current transformers in MNS cabinets
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Dear sea friends, everyone is surely familiar with MNS cabinets. But have you ever paid attention to whether the current transformers are installed inside or outside the drawers? Why ask this question? Take a look at the image below – the drawings provided by two different design firms are different. Experts, feel free to leave your comments!
It is usually located in a drawer; the signal is activated through secondary connectors and on-site operations, and the current of the comprehensive protection device is also measured using this transformer
In general drawers, the zero-sequence current transformer is usually placed outside the drawer