Interlocking structure of power conversion system and operation method of interlocking structure
A technology of power conversion and lock structure, applied to circuits, electric switches, electrical components, etc., can solve problems such as confusion or omission of operation sequences, malfunctions, cumbersome and complicated control procedures, etc., to increase convenience and practicability, and avoid errors The effect of action
Active Publication Date: 2019-10-18
DELTA ELECTRONICS INC
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Problems solved by technology
However, this control management usually requires multiple locks and keys, which is prone to confusion or loss of keys
In addition, because the control program is more cumbersome and complicated, it is easy to cause confusion or omission of operation sequence, resulting in misoperation
Method used
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[0046] The detailed description and technical content of the present invention are described below with the accompanying drawings, but the attached drawings are only for reference and illustration, and are not used to limit the present invention.
[0047] Please refer to figure 1 and figure 2 , are respectively a schematic plan view of the interlocking structure of the power conversion system of the present invention and a schematic circuit diagram in another direction. The present invention is an interlocking structure 1 of a power conversion system, which is used to control a first power source 2 and a second power source 3 arranged in parallel, wherein the power conversion system can choose to pass through the first power source 2 or the second power source through process control. Two power sources 3 supply power. In this embodiment, the power conversion system cuts off the first power supply 2 and turns on the second power supply 3 through the interlock structure 1, so...
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The invention provides an interlocking structure of a power conversion system and an operation method of the interlocking structure; a first power supply loop group is connected with a first power supply and comprises a first circuit breaker and a fourth circuit breaker; a second power supply loop group is connected with a second power supply and comprises a second circuit breaker and a fifth circuit breaker; a limiting mechanism comprises a first limiting part capable of blocking the first circuit breaker, a second limiting part capable of blocking the second circuit breaker, a fourth limiting part capable of blocking the fourth circuit breaker, a fifth limiting part capable of blocking a fifth circuit breaker, a first avoiding part and a second avoiding part; then the first circuit breaker is closed and the first power supply is disconnected; after a first limiting structure is moved leftwards, a limiting rod is moved upwards to enable the second avoiding part to be aligned with thefifth limiting part; then the fifth limiting part is moved leftwards to release the blocking on the fifth circuit breaker; and finally, the fifth circuit breaker is opened to switch on the second power supply, so that the first power supply is disconnected and the second power supply is conducted, the first power supply is maintained, and the power supply of the power conversion system is not interrupted.
Description
technical field [0001] The invention relates to an interlocking structure, especially a mechanical interlocking structure in an electric power system. Background technique [0002] In order to solve the problems of power load distribution application, the addition of backup power supply or power management, etc., a mechanical interlock mechanism (Interlock Mechanism) device is often used between multiple circuit breakers in the power system to improve the power quality and safety and stability of the system. sex. [0003] Furthermore, traditional mechanical interlocking devices use locks and keys as control management (called KerKey). However, this control management usually requires multiple locks and keys, which is prone to confusion or loss of keys. In addition, because the control program is relatively complicated and complex, it is easy to cause confusion or omission of operation sequence, resulting in malfunction. [0004] In view of this, the inventor of the presen...
Claims
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IPC IPC(8): H01H9/26
CPCH01H9/26H02J3/007H02J2310/12H01H9/286H02J9/061H01H2300/018H01H2009/265H02J9/04
Inventor 杨永宏
Owner DELTA ELECTRONICS INC