Rolling stock systems Propulsion control system/Main transformers
Concept Products

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Customers Cars Main transformer Type No. Main transformer capacity Cooling system Rectification system
For Shinkansen trains East Japan Railway Co. 200 type TM202 2350KVA Forced air cooling system Thyristor phase control
Central Japan Railway Co. 100 type TM203 2500KVA Forced air cooling system Thyristor phase control
West Japan Railway Co. 100N type WTM203 2500KVA Forced air cooling system Thyristor phase control
Central Japan Railway Co. 300 type TTM2 2900KVA Forced air cooling system PWM control
(2 LEVEL)
West Japan Railway Co. 300N type WTM204 2900KVA Forced air cooling system PWM control
(2 LEVEL)
East Japan Railway Co. 400 type TM204 1900KVA Forced air cooling system Thyristor phase control
West Japan Railway Co. 500 type WTM205 5400KVA Forced air cooling system PWM control
(2 LEVEL)
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East Japan Railway Co. E1 type TM208 3730KVA Forced air cooling system PWM control
(2 LEVEL)
East Japan Railway Co. E2 type TM206A 2875KVA Forced air cooling system PWM control
(2 LEVEL)
East Japan Railway Co. E3 type TM207A 2875KVA Forced air cooling system PWM control
(2 LEVEL)
East Japan Railway Co. E4 type TM209 4150KVA Forced air cooling system PWM control
(3 LEVEL)
Central Japan Railway Co. 700 type TTM3A 4160KVA Forced air cooling system PWM control
(3 LEVEL)
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West Japan Railway Co. 700 type (7000) WTM206 4160KVA Forced air cooling system PWM control
(3 LEVEL)
East Japan Railway Co. E2 type (1000) TM210 2900KVA Forced air cooling system PWM control
(3 LEVEL)
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For local trains East Japan Railway Co. 651 type TM24 1230KVA Forced air cooling system Thyristor phase control
East Japan Railway Co. 701 type TM26 885KVA Self-cooling system using incoming wind Thyristor phase control
West Japan Railway Co. 681 type WTM26 1400KVA Forced air cooling system Thyristor phase control
East Japan Railway Co. 701 type TM29 730KVA Forced air cooling system PWM control
(3 LEVEL)
East Japan Railway Co. E653 type TM28 1600KVA Natural air cooling system PWM control
(3 LEVEL)
East Japan Railway Co. E751 type TM30 1590KVA Natural air cooling system PWM control
(3 LEVEL)
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West Japan Railway Co. 683 type WTM27 1200 KVA Natural air cooling system PWM control
(3 LEVEL)
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For electric locomotives Japan Freight Railway Company EF500 FTM1 7660 KVA compulsive wind cooling system Forced air cooling system Thyristor phase control
Overseas South Korea SMSC --- 1060KVA Forced air cooling system PWM control
(2 LEVEL)
Malaysia KTMB ATM2 1560KVA Forced air cooling system PWM control
(2 LEVEL)
Hong Kong KCRC ATM5 2610KVA Forced air cooling system PWM control
(2 LEVEL)

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