Lecture 06 Voltage drop Meiling CHEN 2005 1

Lecture 06 Voltage drop Meiling CHEN 2005 1

1. 電壓降(Voltage Drop) 2. 最高電壓(Maximum Voltage) 3. 最低電壓(Minimum Voltage) 4. 電壓變動幅度(Voltage Spread) 5. 電壓調整率 6. 標稱電壓(Nominal Voltage) 7. 額定電壓( Rated Voltage ) 8. 供電電壓( Service Voltage ) 9. 用電電壓( Utilization Voltage ) 10. 基準電壓( Base Voltage ) Meiling CHEN 2005 2

受電電壓 218 v Taipower 額定電壓 (11. 4 KV) 受電電壓 215 v 責任分界點 供電電壓 (11. 2 k. V) Bus 220 V Meiling CHEN 2005 3

(4) Mercury Lamp( ) 無法啟動 (5) Heater ( (6) Capacitor ( ) ) (6) Magnetic coil ( ) Magnetic force Meiling CHEN 2005 5

電壓變動: (1) 電壓降(Voltage Drop): 線路壓降 (2) 電壓閃爍(Voltage Flicker): 負載變動 Single phase system Meiling CHEN 2005 6

Line voltage drop (1) (2) (3) (4) (5) (6) 3 4 W 3 3 W 1 2 W 1 3 W phase voltage drop line voltage drop phase voltage drop 線路壓降百分比: Meiling CHEN 2005 7

Meiling CHEN 2005 15

變動負載 lamp 抗流圈 變動負載 lamp Meiling CHEN 2005 18