Problem of design and testing of high-current measuring transducers

Zbigniew Dmochowski

doi:10.1117/12.156359

22 September 1993 Problem of design and testing of high-current measuring transducers

Zbigniew Dmochowski

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156359
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

The high-current measuring transformers are applied first of all in steelmaking and foundry arc furnaces. A block diagram of the OPTIMUM program and its exploitation characteristics are presented. Calculation examples are given. Design solutions of measuring transformers in the versions with air and resin insulation are discussed. The scope of acceptance tests of the measuring transformers based on the BN- 88/3027- 01 branch standard " High-current measuring transformers for furnaces. Requirements and testing " is revived. Typical outfit of test stations for testing measuring transformers as well as results of tests of High -current transformers are given. Specific problems related design, production and testing of linear transducers are discussed. Properties of bothtypes of transducers are compared under the angle of reliability, metrological properties, mass and overall dimensions, the scope of acceptance tests and the immunity to the influence of strong magnetic fields. It was established that high-current transformers are built up to a ratio 5OkA/5A(for furnaces with capacity of 50*10kg), while linear transducers can be also built for rated currents of 200kA (thus for furnaces of any rated capacity).

Citation Download Citation

Zbigniew Dmochowski "Problem of design and testing of high-current measuring transducers", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156359

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KEYWORDS

Transformers

Transducers

Magnetism

Reliability

Metrology

Prototyping

Algorithm development

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