Xaiv Cov Txheej Txheem rau Peb hom Detuned Reactor Impedance

Lub Hom Phiaj Tseem Ceeb Harmonic

Resonant Point (h≈)

Capacitor Terminal Voltage Rise (400V System Piv txwv)

Core Application Scenario & Decision Basis

7%

5th Harmonic (250Hz)

3.78 ib

UC =400V1−0.07≈430VUC​=1−0.07400V​≈430V

Scenario:Lub universal tov rau 5th harmonic 治理.
Kev txiav txim siab Basis:
1. Paub meej tias 5th harmonic yog qhov tseem ceeb(Feem ntau hauv kev lag luam nrog THD<15%).
2. Lub 3rd harmonic cov ntsiab lus yog tsawg thiab yuav tsum tsis muaj kev saib xyuas tshwj xeeb.
3. Ua hauj lwm raws li ib qho kev txhim kho version ntawm 5/6% reactors, muab ib tug ruaj ntseg paj rau resonance zam.
Kev xaiv Capacitor:Pom zoo kom siv cov capacitors nrog lub ntsuas hluav taws xob ntawm440Vlos yog450V.

8.7%

Ob peb 3rd, feem ntau yog siv 5th harmonic.

3.4o ib

UC =400V1−0.087≈438VUC​=1−0.087400V​≈438V

Scenario:Cov xwm txheej uas muaj kev sib xyaw ua ke lossis xav tau kev kho kom raug.
Kev txiav txim siab Basis:
1. Lub kaw lus muaj ob peb qhov 3rd harmonic, tab sis feem ntau yog 5th harmonic thiab saum toj no tshwm sim ib txhij, nws tuaj yeem cuam tshuam 5th harmonic thiab saum toj no, thiab txo qhov amplification ntawm 3rd harmonic.

2. Ua raws li amuaj kev sib haum xeebrau kev soj ntsuam nrog tsis paub meej harmonic tej yam kev mob.
Kev xaiv Capacitor: Yuav tsumsiv cov capacitors nrog qhov ntsuas voltage ntawm450V.

14%

3rd Harmonic (150Hz)

2.67 ib

UC =400V1−0.14≈465VUC​=1−0.14400V​≈465V

Scenario:Cov kab ke nrog hnyav 3rd harmonic pollution.
Kev txiav txim siab Basis:
1. Paub meej tias 3rd harmonic yog qhov tseem ceeb (Often THD>15%, feem ntau nyob rau hauv cov tsev lag luam, cov chaw cov ntaub ntawv nrog ntau ntau -theem loads).
2. Lub 5th harmonic cov ntsiab lus kuj tsawg los yog tswj los ntawm lwm txoj kev.
3. Kev ntsuas qhia tau zoo heev 3rd harmonic keeb kwm yav dhau distortion, ua rau muaj kev pheej hmoo ntawm resonance amplification.
Kev xaiv Capacitor: Yuav tsumsiv cov capacitors nrog qhov ntsuas voltage ntawm480Vlos yog500V.