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US 2016/0358735 A1Published application
Actuator Override Mechanism For Subsea Circuit Breaker
AssigneeABB Schweiz AG
InventorsArne Trandal, Paul Midtun, Svein-Ove Urnes
Life of this patent
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Abstract
A subsea circuit breaker for a subsea power distribution system. The subsea circuit breaker includes a circuit breaker enclosure, first and second contacts and an electro-mechanical actuator. The subsea circuit breaker is also furnished with a mechanical transmission mechanism for opening or closing the contacts in response to a mechanical command operation from the outside of the circuit breaker enclosure.
Claims15
A subsea circuit breaker for a subsea power distribution system, the circuit breaker comprising
- a water tight circuit breaker enclosure,
- first and second contacts arranged within the circuit breaker enclosure,
- an electro-mechanical actuator arranged within the circuit breaker enclosure and adapted to open the contacts in response to a fault signal and to open or close the contacts in response to a command signal,
- a protection element arranged within the circuit breaker enclosure and adapted to generate said fault signal,
- a command signal input interface arranged within the circuit breaker enclosure for receiving said command signal,
- characterised by
- a mechanical transmission means arranged within the circuit breaker enclosure and adapted to cause the contacts to open or close in response to a mechanical command operation from the outside of the circuit breaker enclosure.
4 more elements
A subsea unit for a subsea power distribution system comprising a subsea circuit breaker including:
- a water tight circuit breaker enclosure,
- first and second contacts arranged within the circuit breaker enclosure,
- an electro-mechanical actuator arranged within the circuit breaker enclosure and adapted to open the contacts in response to a fault signal and to open or close the contacts in response to a command signal,
- a protection element arranged within the circuit breaker enclosure and adapted to generate said fault signal,
- a command signal input interface arranged within the circuit breaker enclosure for receiving said command signal, characterised by
- a mechanical transmission means arranged within the circuit breaker enclosure and adapted to cause the contacts to open or close in response to a mechanical command operation from the outside of the circuit breaker enclosure;
- and a water tight subsea unit enclosure enclosing said subsea circuit breaker, the circuit breaker enclosure forming a part of the subsea unit enclosure.
4 more elements
Dependencies are inferred from the claim text.