Electrical Test

[duki]

This is relating to synchronous motors, M. voltage. What is a Steep Front Impulse test used to determine the condition of?

 

[jbartos]

Suggestion: Reference:
Oyegoke Bolarin: A Comparative analysis of Methods for Calculating the Transient Voltage
Distribution within the Stator Winding of an Electric Machine Subjected to Steep-Fronted
Surge. Electrical Engineering (Archiv für Elektrotechnik), Vol. 82, No. 3-4, 2000, p. 173-182.
Visit

http://www.hut.fi/Yksikot/SJT/vk_2000.pdf

http://www.haefely.com/high_voltage_test/impulse_voltage_test/

etc. for more info

 

[alehman]

It is used to evaluate the transient voltage withstand capability of the stator insulation. This is particularly important for motors to be applied with variable speed drives due to their steep switching waveforms.

See IEEE standard 112 and the following articles.

Winding tests for “Drive duty” induction motor stators
Schump, D.E.
Electrical Insulation Conference and Electrical Manufacturing & Coil Winding Conference, 1999. Proceedings, Vol., Iss., 1999

Evaluation and testing of turn insulation of large AC motors
Al-Furaih, A.
Industrial and Commercial Power Systems Technical Conference, 1994. Conference Record, Papers Presented at the 1994 Annual Meeting, 1994 IEEE, Vol., Iss., 1-5 May 1994

Motor failures due to steep fronted switching surges-the need for surge protection-users experience
Zotos, P.A.
Petroleum and Chemical Industry Conference, 1993, Record of Conference Papers. The Institute of Electrical and Electronics Engineers Incorporated. Industry Applications Society 40th Annual, Vol., Iss., 13-15 Sep 1993

Analysis of insulation characteristics of PWM inverter-fed induction motors
Don-Ha Hwang; Doh-Young Park; Yong-Joo Kim; Dong-Hee Kim; Ja-Yoon Koo; Ick-Goo Hur
Industrial Electronics, 2001. Proceedings. ISIE 2001. IEEE International Symposium on, Vol.1, Iss., 2001