Abstract: As a powerful component of a circuit breaker, the reliability of energy storage spring plays an important role in the drive and control the operation of a circuit breaker motion
The performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or pre-pressure of the spring. However, there may be some errors in this indirect measurement method, which will affect the accuracy of the evaluation results. Therefore, the
An electric power circuit breaker with an energy storage device and an indicating device including an indicator lever with an indicator and an indicating cam of loaded and unloaded states of the loading mechanism. The indicating cam is mounted on the loading shaft in proximity to the loading cam, and includes a notch for receipt of the indicator lever when the mechanism is in the
Therefore, a study on the strength and fatigue model of circuit breaker energy storage springs based on SVM algorithm is proposed. Based on the composition of the circuit
Through optimizing to the static contact buffer spring stiffness and collisional damping can reduce contact bounce and improve vacuum circuit breaker closing characteristics, enhance the welding resistance performance.
The utility model provides a vacuum circuit breaker compression spring energy memory mechanism, belongs to vacuum circuit breaker''s important component among the high-tension...
Aiming at the problem of energy storage unit failure in the spring operating mechanism of low voltage circuit breakers (LVCBs). A fault diagnosis algorithm based on an improved Sparrow Search Algorithm (ISSA) optimized Backpropagation Neural Network (BPNN) is proposed to improve the operational safety of LVCB.
Spring Cloud Circuit Breaker Resilience4j 包含自动配置功能,只要 classpath上 有正确的依赖项,就可以设置指标收集。要启用指标收集,你必须包括 org.springframework.boot:spring-boot-starter-actuator,以及 io.github.resilience4j:resilience4j-micrometer。关于存在这些依赖时产生的指标的更多信息,请参阅 Resilience4j 文档。
A non-contact testing method of spring deformation characteristics based on image matching tracking technology is proposed: the high-speed camera is utilized to capture the image sequence of...
Abstract: As a powerful component of a circuit breaker, the reliability of energy storage spring plays an important role in the drive and control the operation of a circuit breaker motion process. A non-contact testing method of spring deformation characteristics based on image matching tracking technology is proposed: the high-speed camera is
The performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or pre
The energy storage state of the closing spring in the spring operating mechanism affects the closing characteristics of the high-voltage circuit breaker. The acceleration signal of the spring in
The drive concept of the 3AP circuit breaker family is based on the patented stored-energy spring principle. The mechanism types differ in terms of the number, size and arrangement of the opening and closing springs. Both the opening and closing springs are located inside the operating mechanism, thereby achieving a simple and sturdy device.
A dynamic model of spring mechanism for high voltage circuit breaker is established, dynamic simulation is carried out according to the actual working condition of the high voltage circuit breaker
The performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or pre-pressure of the spring. However, there may be some errors in this indirect measurement
The performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or pre-pressure of the...
Based on the composition of the circuit breaker spring operating mechanism, the stress state of the energy storage spring during the circuit breaker action process and its relationship with various mechanisms were analyzed. On the basis of adaptive improvement of the SVM algorithm, a strength and fatigue model of the circuit breaker energy
Fault Diagnosis Method of Energy Storage Unit of Circuit Breakers Based on EWT-ISSA-BP. by Tengfei Li 1, Wenhui Zhang 1, Ke Mi 1, Qingming Lin 1, Shuangwei Zhao 2,*, Jiayi Song 2 1 Puneng Electric Power Technology Engineering Branch, Shanghai Hengnengtai Enterprise Management Co., Ltd., Shanghai, 200437, China 2 School of Electrical Engineering, Sichuan
摘要： 针对断路器储能弹簧传统经验试算的设计方法易导致弹簧结构参数不合理、断路器的体积大及分断性能差的问题,应用一种结合鲶鱼效应改进的云粒子群优化算法对断
To solve this problem, this study proposes an intelligent identification method that combines Gramian angular field(GAF) and convolutional neural network(CNN) and successfully applies it
breaker transmission crutch arm 4-the shaft of circuit breaker 5-close-open spring 6- output crutch arm mechanism 7-the linked plate of transmission 8-the shaft of mechanism 9-roller 10-cam 11-the shaft of energy storage 12-the spring of energy storage Figure1 for the 40.5kV vacuum circuit breaker which is in the closing process and is about to
Through optimizing to the static contact buffer spring stiffness and collisional damping can reduce contact bounce and improve vacuum circuit breaker closing characteristics, enhance the
rigidity of the switching energy-storing spring of the circuit breaker will cause the eigenfrequency of the spring to decrease. Using this point, the acceleration sensor is used to detect the state of the spring energy storage, but it does not leave the range of contact measurement, and different circuit breakers need to be designed with different installation equipment, which is not
摘要： 针对断路器储能弹簧传统经验试算的设计方法易导致弹簧结构参数不合理、断路器的体积大及分断性能差的问题,应用一种结合鲶鱼效应改进的云粒子群优化算法对断路器的储能弹簧参数进行优化设计。 首先,根据储能弹簧的工作原理,推导储能弹簧的数学优化设计模型以及弹簧参数设计的约束条件；然后,根据优化模型对算法进行改进,在传统粒子群优化算
To solve this problem, this study proposes an intelligent identification method that combines Gramian angular field(GAF) and convolutional neural network(CNN) and successfully applies it to the...
Therefore, a study on the strength and fatigue model of circuit breaker energy storage springs based on SVM algorithm is proposed. Based on the composition of the circuit breaker spring operating mechanism, the stress state of the energy storage spring during the circuit breaker action process and its relationship with various mechanisms were
Aiming at the problem of energy storage unit failure in the spring operating mechanism of low voltage circuit breakers (LVCBs). A fault diagnosis algorithm based on an improved Sparrow
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