Pump storage power plant generator outlet switchgear and system

The generator outlet switch device, designed with serialization and modularization, solves the problems of equipment layout and maintenance in pumped storage power stations, and improves the reliability and ease of installation of the generator outlet switch.

CN224305401UActive Publication Date: 2026-05-29SHANGHAI ZONFAEP SUPER PRESSURE ELECTRIC APPLIANCE +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZONFAEP SUPER PRESSURE ELECTRIC APPLIANCE
Filing Date
2025-03-14
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing generator outlet switches in pumped storage power stations cannot comprehensively consider factors such as busbar tunnel size, equipment layout, hoisting height, trench embedded parts, cable routing, equipment installation and testing, interlocking logic, on-site structural appearance, and subsequent operation and maintenance, resulting in low reliability.

Method used

The pumped storage power station generator outlet switchgear, designed with a serialized and modular structure, includes a generator circuit breaker, a phase-changing disconnect switch, and a starting drive disconnect switch. Combined with a comprehensive monitoring device, it improves assembly complexity and ease of installation and maintenance.

Benefits of technology

It effectively reduces assembly complexity, improves installation and maintenance convenience, ensures operational reliability and compatibility, and achieves high reliability of the generator outlet switchgear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a pumped storage power station generator outlet switch device and system, which is applied to the field of generator outlet switches. In one aspect, the improved pumped storage power station generator outlet switch device comprises a generator circuit breaker, a first end of the generator circuit breaker is connected with the outlet of a generator, a commutation disconnecting switch, a first end of the commutation disconnecting switch is connected with a second end of the generator circuit breaker, a second end of the commutation disconnecting switch is connected with a transformer, a starting and dragging disconnecting switch, a first end of the starting and dragging disconnecting switch is connected with the outlet of the generator, and a second end of the starting and dragging disconnecting switch is connected with a starter. The application can improve the reliability and compatibility of the operation of the pumped storage power station generator outlet switch device.
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