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YBM series: Generally refers to European-style box-type substations, which are composed of high-voltage switchgear, distribution transformers, and low-voltage switchgear in a certain wiring scheme. They feature compact structure, strong completeness, and reliable operation and safety.
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ZBW series: Belonging to outdoor combined substations, they consist of high-voltage rooms, transformer rooms, and low-voltage rooms. They are suitable for ring network, double-line, and terminal power supply methods, with excellent interchangeability among the three.