고조파및고조파대책 - cross intro

1 1GE Consumer & IndustrialPower Quality 2012 (Harmonic)? (sinusoidal wave) . () .. 2 ,3 ,4 .ex) 60Hz 5 -300Hz / 7 -420Hz / 11 -660 Hz / 13 -780 Hz2GE Consumer & IndustrialPower Quality 2012 3GE Consumer & IndustrialPower Quality 2012 / VFIUPS Harmonic / UPS 4GE Consumer & IndustrialPower Quality 2012 1. 2. 3. 4 1. 2. / 3. 1. 2. 3. 4 4. 3. 4.

2 1. 2. 3. 1. 2. Notching 3. 1. 2. 1. 2. 3. 4. 1. 2. 1. 2. 3. 4. 5GE Consumer & IndustrialPower Quality 2012 ..1. UPS (UPS )2. (5th+ 7th,11th+ 13th )3 UPS (12/18/24 Pulse ) (12/18/24 Pulse ) 4. UPS ACTIVE IGBT GE 10 120 KVA Booster IGBT 4 RPA 160-300 KVA PWM IGBT 6 RPA 6GE Consumer & IndustrialPower Quality 2012 GE UPS LP 11/31 Series PF THDI / THDILP 11/31 Series8-10/15-20kVA ~ THDI7% THDI / (LP11) / , / , LP3310-120kVA / THDI 9% ( ) ( )

3 / / , , SG PurePulse60500kVA THDI23% THDI / ~3% 6 RPA / , , , SG 600kVA THDI5% , THDI / 6 RPA / , , , 7GE Consumer & IndustrialPower Quality 2012 iUPS iUPS11/31 Series PF THDI / THDIiUPS11/31 Series2-10/10-20kVA ~ 7%~8% THDI / , / , iUPS3320-30kVA THDI4 % / THDI 4% ( ) / / , , iG33 CN100/120 THDI4%~5% (Max 8 RPA)/ 5th+11th harmonic filter 100/120160/200 ~ ~5% / , , , , iG 33 all IGBT100/120/160/200/250 KVA THDI4% THDI / 8 RPA / , , , 8GE Consumer & IndustrialPower Quality 2012 :UPS 2 : UPS 2 : UPS Back-ripple UPS 15 UPS.

4 - & (200kVA )SG P P l THDi 2% SGSE_160-200_S1_UPS_01SG PurePulse THDi 2% 200kVA+(200* * )=213 kw SCR UPS 34%(THDi)200kVA+(200* * )=413 kw UPS .9GE Consumer & IndustrialPower Quality 2012 SCR SCR Non-liner . - 1. UPS 25% 2S 20% Gl i 2. UPS 25-50% Galvanic DCU Filter .3. UPS 50% , , .(.)

5 4. ( ) UPS 100 KVA THDi 34 % 100 + (100 * * ) = kw 100 KVA THDi 8% 100 + (100 * * ) = kw 10GE Consumer & IndustrialPower Quality 2012 UPS TypePower Configuration THDi PFGE UPS ypg LP113 10 kVAStandard7% 30 kVAStandard8% 120 kVAStandard9% 120 kVA6pulse 500 kVA12pulse(standard) +11th+13thharmonic filter5% PurePulse SeriesAll IGBT type60 120kVAStandard2% 300kVAstandard2% 500 kVAstandard2% UPS600kVA11thharmonic filter5% Consumer & IndustrialPower Quality 2012 UPS TypePower Configuration THDi PFi UPS ypg iUPS112 10 kVAStandard8% 100 kVAStandard8% 30 kVAStandard5% 120 kVAStandard4% 200 kVAStandard5% IGBT100500kVAStandard2% 099 ALL IGBT100 500kVAStandard2% Consumer & IndustrialPower Quality 2012