Wanbin Ren
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Author Swipe
View article: Mechanical Insertion Force and Electrical Contact Resistance of By-Pass Switches with Axially Canted Coil Springs
Mechanical Insertion Force and Electrical Contact Resistance of By-Pass Switches with Axially Canted Coil Springs Open
By-pass switches play a crucial role in high-power electrical equipment, where reliable mechanical insertion and stable electrical contact are essential for safety and performance. However, few computational models have been developed to c…
View article: Study on the Physical Mechanism of Methylene Bridging [6]-, [8]-, and [10] Rings to Styrene under Quantum Size Effect: Spectroscopy and Aromaticity
Study on the Physical Mechanism of Methylene Bridging [6]-, [8]-, and [10] Rings to Styrene under Quantum Size Effect: Spectroscopy and Aromaticity Open
In this study, the spectroscopic and aromaticity properties of newly synthesized methylene bridged [6], [8] and [10] rings of p-styrene (MCPP) were investigated. The photophysical properties of MCPP with n=6, 8 and 10 are calculated and an…
View article: Numerical Investigation and Experimental Verification of Vibration Behavior for a Beam with Cantilever-Hertzian Contact Boundary Conditions
Numerical Investigation and Experimental Verification of Vibration Behavior for a Beam with Cantilever-Hertzian Contact Boundary Conditions Open
The simple spring structure, with detachable electrical contacts, is a very suitable solution for many applications, such as electromechanical relays and connectors. However, they are prone to exhibit instantaneous interruption faults unde…
View article: A Degradation Model of Electrical Contact Performance for Copper Alloy Contacts with Tin Coatings Under Power Current-Carrying Fretting Conditions
A Degradation Model of Electrical Contact Performance for Copper Alloy Contacts with Tin Coatings Under Power Current-Carrying Fretting Conditions Open
The fretting degradation of coating materials is complicated when the Joule heating effect of the load current is non-negligible. In this work, the fretting degradation behavior of tin-coated copper alloy contacts was examined across the c…
View article: On the Relationship between Contact Resistance and Load Force for Electrode Materials with Rough Surfaces
On the Relationship between Contact Resistance and Load Force for Electrode Materials with Rough Surfaces Open
Higher contact resistance not only increases power consumption and temperature rise but also causes undesirable interconnectivity between electrode materials, which further influences the electrical lifespan and reliability of switching de…
View article: Investigation on failure mechanism of electrical connectors under repetitive mechanical insertion and withdrawal operations
Investigation on failure mechanism of electrical connectors under repetitive mechanical insertion and withdrawal operations Open
Electrical connector is an essential accessory component for electrical and electronic interconnection circuit. In order to investigate the degradation behavior of electrical connector, a series of repetitive mechanical insertion and withd…
View article: Simulation and experimental investigation of contact spot temperature for electrical contact components
Simulation and experimental investigation of contact spot temperature for electrical contact components Open
The contact spot temperature of electrical contact components substantially affects the reliability and electrical life of any electrical connections within the electrical engineering. In this paper, finite element model of typical spring …
View article: High-Throughput Measurement of the Contact Resistance of Metal Electrode Materials and Uncertainty Estimation
High-Throughput Measurement of the Contact Resistance of Metal Electrode Materials and Uncertainty Estimation Open
Low and stable contact resistance of metal electrode materials is mainly demanded for reliable and long lifetime electrical engineering. A novel test rig is developed in order to realize the high-throughput measurement of the contact resis…
View article: Modeling and Experimental Verification of Material Welding Characteristics for Low Current Switching Devices
Modeling and Experimental Verification of Material Welding Characteristics for Low Current Switching Devices Open
Material welding failure considerably influences the electrical lifetime and reliability of low current switching devices. However, relevant studies on methods for calculating the threshold welding current and welding area under milli-Newt…
View article: Electrical Contact Resistance of Contact Bodies With Cambered Surface
Electrical Contact Resistance of Contact Bodies With Cambered Surface Open
The electrical contact resistance of cambered surface contact is systematically studied by analytical solution and finite-element simulation. Two representative cambered surface contacts, namely sphere-plane contact and cylinder-plane cont…
View article: Effect of Electrical Load on Contact Welding Failure of Silver Tin Oxide Material Used in DC Electromechanical Relays
Effect of Electrical Load on Contact Welding Failure of Silver Tin Oxide Material Used in DC Electromechanical Relays Open
In order to clarify the contact welding failure mechanism of DC electromagnetic relay, a series of electrical endurance tests are carried out with the use of silver tin oxide material under resistive and capacitive load conditions. The typ…