A new approach for the analysis of dynamic behavior of solenoid actuators with time dependent voltage input

Murty, B.V.

doi:10.1109/ias.1990.152204

Cited by 6 publications

(2 citation statements)

References 7 publications

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“…The design of a contactor was introduced in [15]. The authors in [16][17][18] succeeded in simulating the contact bounce phenomenon. The effects of voltage sag on AC contactors were investigated by simulation presented in [19][20][21], and an AC relay was analyzed in [22,23].…”

Section: Introductionmentioning

confidence: 99%

An improved AC electromagnetic contactor model based on EMTP

Saengsuwan

2017

IEEJ Transactions Elec Engng

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This paper presents a new simulation approach of an AC electromagnetic contactor based on the Electromagnetic Transient Program (EMTP). To decouple the simulation from the magnetic circuit, the duality transformation technique is applied to transform the magnetic model into an electrical model. With this technique, the solutions of the proposed model are only on electric circuit, and model can interface directly with the surrounding components in EMTP. To enhance the model precision, both saturation and fringing flux effects are taken into account. Additionally, the estimation of general unknown parameters, namely shading ring resistance and load force, is proposed. The performance and accuracy of the proposed model are verified by comparing with finite element method (FEM) results and experiments. Finally, the model is applied for the case study of the sensitivity of a contactor during voltage sag. The results demonstrate good performance of the proposed model, and the approach can be further extended to other electromagnetic devices.

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Section: Introductionmentioning

confidence: 99%

An improved AC electromagnetic contactor model based on EMTP

Saengsuwan

2017

IEEJ Transactions Elec Engng

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“…FEM gives precise results and is basically used for design purposes, but it is time consuming and requires complex software toolsets. To shorten the simulation time, time reduction methods were introduced in [11–15].…”

Section: Introductionmentioning

confidence: 99%

A novel simulation of AC magnetic contactor based on electromagnetic transients program

Kanokbannakorn

Saengsuwan

Sirisukprasert

2014

IEEJ Transactions Elec Engng

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This paper proposes a new simulation approach for the AC magnetic contactor using the electromagnetic transients program (EMTP). The duality transformation technique is applied to convert a magnetic model into an electrical model. The great advantages of the proposed model are its capability of being directly simulated with other electrical components using EMTP and, therefore, its minimum level of complexity. To enhance the precision of the proposed model, the saturation of magnetic core and the fringing flux effects are taken into account. The performance and accuracy of the proposed model are verified by comparing them with those from finite element method (FEM) simulations and experiments. The results confirm that the proposed model has very good performance and the technique can be further applied to other magnetic components.

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