Mishchenko TM. GEOMETRIC INTERPRETATION OF REACTIVE POWER AND ITS RELATION WITH THE SPECTRAL COMPOSITION OF THE TRACTION VOLTAGE AND CURRENT OF HIGH-SPEED LOCOMOTIVES. Elektroteh. elektroenerg. [Internet]. 2015Dec.10 [cited 2024Jul.23];(2):81-6. Available from: http://ee.zntu.edu.ua/article/view/86804