1. Electronic Frequency Converter Feeding Single-Phase Circuit and Controlling Feeder Voltage With Fixed Power Factor Method for Shinkansen
- Author
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K. Kunomura, Midori Otsuki, M. Onishi, M. Kai, Yoshinori Tsuruma, Naotaka Iio, and N. Nakajima
- Subjects
Engineering ,Frequency conversion ,Electricity generation ,Switched-mode power supply ,business.industry ,Boost converter ,Electrical engineering ,Power factor ,Electrical and Electronic Engineering ,Single phase ,AC power ,business ,Voltage - Abstract
In the Tokaido Shinkansen, the instantaneous feeding power of substations has increased because of the high-density train schedule and the improved acceleration performance of the rolling stock. If the load power of feeding substations increases any further, it will not be possible to maintain the feeder voltage when the power converter supplies only reactive power. In consideration of such a situation in the frequency conversion section, an electronic frequency converter that controls the ac voltage using a fixed power factor method was developed. The superiority of the proposed control method is confirmed with electromagnetic transient program calculations and field test results. The electronic frequency converter has been in operation since February 2009 with good performance, showing the success of the system development described in this paper.
- Published
- 2012
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