Outdoor 2 multiply 27.5 kV solid-sealing vacuum modular device of electrified railway
An electrified railway, modular technology, applied in electrical components, high-voltage air circuit breakers, circuits, etc., can solve the problems of large footprint of switchgear, large external environmental impact, poor product reliability, etc., to reduce the number of insulation pillars, The effect of reducing the floor space and reducing the insulation struts
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[0033] The present invention will be further described below in conjunction with the drawings.
[0034] Reference Figure 1 ~ Figure 4, An outdoor 2×27.5kV solid-sealed vacuum modular electrical appliance for electrified railways, including a bracket 9, two parallel and independent connecting branches installed on the bracket 9, and an integrated automation control box 8. The connecting branch includes a bipolar solid-sealed vacuum circuit breaker 4, a first bipolar isolating switch 3, a second bipolar isolating switch 26, a solid-sealed pillar current transformer 5, a first solid-sealed pillar transformer 2, a second Two solid-sealed pillar transformers 25, incoming wire connection terminals 24, and outgoing wire connection terminals 1; the bipolar solid-sealed circuit breaker 4 is installed in the middle of the bracket 9, and the incoming wire connection terminals 24 and the outgoing wire connection terminals 1 are respectively located On both sides of the bracket 9; the outlet c...
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