A fault identification method for circuit breaker energy storage mechanism, combined with the current-vibration signal entropy weight characteristic and grey wolf
Customer ServiceA fault identification method for circuit breaker energy storage mechanism, combined with the current–vibration signal entropy weight characteristic and grey wolf optimization-support vector machine (GWO-SVM), is proposed by analyzing the energy conversion and transmission relationship between control loop, motor, transmission
Customer ServiceThe 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 performance state
Customer ServiceTherefore, it is urge to need a novel energy pre-storage operation mechanism built in the circuit breaker to realize intelligent control of the circuit breaker.
Customer ServiceThe present invention discloses a structure of an energy storage spring operating mechanism of the circuit breaker, comprising a storage shaft, closing shaft, a spring, wherein the clutch type disc-shaped cam fitted to the movable shaft in storage, storage shaft clutch-type transmission sleeve is provided with a pinion gear, a clutch connected
Customer ServiceThis study attempted to establish an optimal design and perform dynamic analysis for a spring-actuated cam-linkage composite mechanism in a rated 12 kV, 25 kA vacuum circuit breaker (VCB). The optimal design of the VCB mechanism involves two steps: the first step involves the optimal design of the stiffness of closing springs and the cam profile, based on
Customer ServiceA fault identification method for circuit breaker energy storage mechanism, combined with the current–vibration signal entropy weight characteristic and grey wolf
Customer ServiceThe present invention discloses a structure of an energy storage spring operating mechanism of the circuit breaker, comprising a storage shaft, closing shaft, a spring,
Customer ServiceTherefore, it is urge to need a novel energy pre-storage operation mechanism built in the circuit breaker to realize intelligent control of the circuit breaker.
Customer ServiceAbstract: The reliable storage of spring potential energy is a prerequisite for ensuring the correct closing and opening operations of a circuit breaker. A fault identification method for circuit breaker energy storage mechanism, combined with the current-vibration signal entropy weight characteristic and grey wolf optimization-support vector machine (GWO-SVM),
Customer ServiceConventional systems use a portion of stored energy to close the circuit breaker or circuit interrupter mechanism. This energy is wasted in overcoming resistance presented by
Customer ServiceThe energy storage unit is one of the most critical design points in the overall design of the operating mechanism and directly affects the reliability of the energy storage of the operating mechanism. This text mainly carries on the design analysis to the energy storage unit, first
Customer Serviceauxiliary spring 306 is sufficient to firmly retain the assembled energy storage mechanism 300 between side plate pin 418 and drive plate pin 406, but also such that only a minimal amount of effort is required to compress auxiliary spring 306 and allow auxiliary spring guide 308 to move the distance "L." This allows energy storage mechanism 300 to be easily removed by hand
Customer ServiceThe performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or pre
Customer ServiceTo address this problem, this research put forward a hybrid method for spring energy storage state identification and successfully applied it to the operating mechanism of circuit breakers. In this method, the Gramian angular field (GAF) is employed to represent the dynamic characteristics evolution process. Furthermore, combined with a
Customer ServiceTo address this problem, this research put forward a hybrid method for spring energy storage state identification and successfully applied it to the operating mechanism of circuit breakers. In
Customer ServiceConventional systems use a portion of stored energy to close the circuit breaker or circuit interrupter mechanism. This energy is wasted in overcoming resistance presented by components...
Customer ServiceThe energy storage unit is one of the most critical design points in the overall design of the operating mechanism and directly affects the reliability of the energy storage of the operating
Customer ServiceThe energy storage motor current signal directly reflects the energy storage state of the circuit breaker operating mechanism. Reasonable use of this signal can achieve rapid detection of the operating mechanism and then evaluate the operating status of the early warning circuit
Customer ServiceThe so-called energy storage means that when the circuit breaker is de-energized (that is, when it is opened), it opens quickly due to the spring force of the energy storage switch. Of course, the faster the circuit breaker is opened, the better. This is to have enough power to separate the contacts when the segmentation fault has a large current (excessive current will melt the
Customer ServiceThe performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or...
Customer ServiceThe working principle and energy distribution principle of high-voltage circuit breaker are analyzed, then a mathematical model of energy distribution for high voltage circuit breaker is
Customer ServiceAbstract: Energy storage spring is an important component of the circuit breaker''s spring operating mechanism. A three-dimensional model of the opening spring and closing spring of the 126kV circuit breaker was established through COMSOL, and the stress and strain distributions in the stored energy state and the non-stored energy state were obtained through finite element
Customer ServiceTo address this problem, this research put forward a hybrid method for spring energy storage state identification and successfully applied it to the operating mechanism of circuit breakers.
Customer ServiceThe energy storage motor current signal directly reflects the energy storage state of the circuit breaker operating mechanism. Reasonable use of this signal can achieve rapid detection of the operating mechanism and then evaluate the operating status of the early warning circuit breaker in advance, providing support for the safe operation of
Customer ServiceA fault identification method for circuit breaker energy storage mechanism, combined with the current-vibration signal entropy weight characteristic and grey wolf optimization-support vector machine (GWO-SVM), is proposed by analyzing the energy conversion and transmission relationship between control loop, motor, transmission
Customer ServiceThe 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
Customer ServiceThe performance state evaluation method of circuit breaker energy storage spring mainly judges its performance state indirectly by measuring the pre-tightening force or...
Customer ServiceFault diagnosis method for energy storage mechanism of high voltage circuit breaker based on CNN characteristic matrix constructed by sound-vibration signal
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