Electrical Equipment for High Speed Rolling Stock 23A1-W-0012
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Fuji Electric produces electrical equipment for Shinkansen (bullet) trains, contributing to the famously safe, high-speed operation of Shinkansen trains. The technical principles are as follows: Reduced noise level: To increase the comfort of passengers and people living near the tracks Increased efficiency: To achieve a high-target of reduction of energy consumption Downsizing: To produce high-strength cars by effectively using the limited space Outstanding reliability: To assure ultimate passenger safety and scheduled operation by minimizing failures Maintenance saving: To facilitate maintenance work and to prolong the interval between maintenance 2
Propulsion system for Shinkansen train Propulsion system of our company, which is based on the latest power electronics and system control technology, offers the following features: Superior performance, functions and efficiency Superior stability at high-speed operation Outstanding reliability Low-noise level Smaller size 3 Main power converter
Main circuit system AC 25kV, 60Hz, 1 Main transformer (MTr) 5150kVA Secondary winding wire : AC1520V 847A Main power converter (CI) DC3000V Traction motor (MM) 305kW, 2300V 100A, 110Hz 3260r/min Max. 5720r/mim IM Tertiary winding wire : 450kVA 3 level PWM converter Configration of IGBT : 2S2P4A IGBT : 3.3kV 1.2kA Carrier frequeucy : 1500Hz 3 level PWM inverter Configration of IGBT : 2S1P6A IGBT : 3.3kV 1.2kA Carrier frequeucy : 1000Hz (synchronous) IM IM IM Proplusion system for Shinkansen series N700A Main transformer Traction motor 4
IGBT main power converter The IGBT main power converter of our company incorporates high power IGBT module, and provides the following features: Superior performance, functions and efficiency Outstanding reliability Downsizing IGBT module 3300V-1200A 5
The Shinkansen train traction system is provided superior functions and performance by the following technologies: Stator-flux-based vector control method High-performance RISC (reduced instruction set computer) and DSP (digital signal processor) equipment Insulation and wire saving by high-speed optical fiber serial I/O interface Modern EDA (electric design automation) technology Powering operation Braking operation Power limitation DC voltage setting DC voltage Vd* calculation Data starting signal : SGFC Torque calculation Flux Flux calculator Sin AC current : Is Sin Vd DC voltage ln* Is* AC current Vc* Neutral point voltage control Torque Coefficient of torque reduction Slip / Slide control q-axis current calculator Stator flux Stator flux calculation Slip angular velocity calculation Slip angular velocity Rotor angular velocity q axis current d axis current DC voltage : Vd Slip angular velocity adjustment Reference rotor velocity selection q axis voltage value d axis voltage value Induced voltage calcutation d axis current q axis current Inverter frequency value Reference rotor velocity Vector rotation Beatless control Vector rotation Vd1 Vd2 Vd Current actual value PWM converter VVVF inverter Control block diagram of the Shinkansen train traction system 4 1 S Speed detector AC voltage:vs IM1 IM2 Signal waveform processing Voltage :V IM3 IM4 MTr V : Output voltage reference Vd : DC stage voltage IM1IM4 : Traction 6
Printed on recycled paper Gate City Ohsaki, East Tower, 11-2, Osaki 1-chome, Shinagawa-ku, Tokyo 141-0032, Japan Phone : (03)5435-7111 Internet address : http://www.fujielectric.co.jp Information in this catalog is subject to change without notice. 2014-9(I2014/I1999)YU-R/CTP10EP Printed in Japan