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The authors present in this paper, the experimental verification results for a permanent magnet synchronous machine mounted in the bicycle wheel operating as a generator. Thus are validated the numerical simulations performed using the computational numerical model which uses the finite element method. The verification of the generator operation has been made in no-load regime and in three-phase resistive...
In this paper is developed a flexible virtual instrument using LabVIEW for relative humidity measurement. The resulting virtual instrument eliminates the disadvantages of traditional measuring instruments whose functions cannot be changed by the user according to their needs, predefined by the manufacturer. Data acquisition interface (virtual instrument) was made in LabVIEW and give user the possibility...
This paper proposes a solution for crimped connection temperature measurement using data acquisition system NI PCI 6221, LabVIEW and thermocouple. The solution offers a modern alternative to traditional temperature measurement systems: a flexible virtual instrument with the advantages of changing the functionality by the users according to their needs. Virtual instrument was design in LabVIEW and...
This paper proposes a solution for relative humidity measurement using data acquisition system NI PCI 6221 and LabVIEW. This solution combines virtual instrument with physical instrumentation and offers a modern alternative to traditional humidity measurement systems: a flexible virtual instrument which eliminates the disadvantages of traditional measuring instruments whose functions cannot be changed...
In this paper we propose a new technological solution for crimping, to increase the quality of crimped connections by reducing the contact resistance and increasing the connection reliability. The method use two adjacent crimp indents in opposite sides. To evaluate the quality of crimped connections we make experimental determinations of contact resistance corresponding to two crimp method: the first...
Crimping is the most widely used method of pressure connection for permanent electrical contact between a wire conductor and a wire conductor terminating device. In this paper we present two solutions for connections quality pre-control of crimp contacts used in electric power systems and electrical machines and for early identification of the improperly executed connections, before final assembly...
In this paper the global heat transfer coefficient law corresponding to two types of superposed crimped connections has been obtained, using experimental and numerical determination. The samples use copper wire crimped by two methods: the first method uses one crimp indents and the second is a proposed method with two crimp indents. The ferrule is a parallel one. For obtaining the experimental results...
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