Efficient computation of sensitivities is a promising approach for efficiently of designing and optimizing high voltage direct current cable joints. This paper presents the adjoint variable method for coupled nonlinear transient electrothermal problems as an efficient approach to compute sensitivities with respect to a large number of design parameters. The method is used to compute material sensitivities of a 320kV high voltage direct current cable joint specimen. The results are validated against sensitivities obtained via the direct sensitivity method.

翻译：高效计算灵敏度是设计和优化高压直流电缆接头的一种有效途径。本文针对耦合非线性瞬态电热问题，提出伴随变量法，作为一种高效计算大量设计参数灵敏度的方法。该方法用于计算320kV高压直流电缆接头试样的材料灵敏度。通过与直接灵敏度法获得的灵敏度结果进行对比，验证了本方法的有效性。