電解電容在快充電源線路的主要作用:
The main role of electrolytic capacitors in fast charging power lines:
1、在整流濾波電路中的作用:濾波作用、吸收浪涌電流、抑制傳到干擾、降低ESR電解電容;
Functions in rectifying and filtering circuits: filtering, absorbing surge currents, suppressing interference, and reducing ESR electrolytic capacitance;
2、在高頻整流濾波中的作用:濾波作用、儲能作用、功率補(bǔ)償、大紋波電流;
Functions in high-frequency rectifier filtering: filtering, energy storage, power compensation, large ripple current;
3、在輔助供電電路中的作用:濾波作用、旁路和去耦作用。
Functions in auxiliary power supply circuits: filtering, bypass, and decoupling.
快充電源對電解電容器的要求:
Requirements of fast charging power supply for electrolytic capacitors:
1、大容量,小尺寸
Large capacity, small size
◆ 儲存足夠的能量,平滑輸入整流電壓;
Store enough energy to smoothly input the rectified voltage;
◆ 降低直流部分的交流分量,抑制輸出紋波;
Reduce the AC component of the DC part and suppress the output ripple;
◆ 應(yīng)對小型化的充電器;
Respond to miniaturized chargers;
2、大紋波低ESR
Large ripple low ESR
◆ 吸收來自整流電路產(chǎn)生的紋波;
Absorbing the ripple generated from the rectifier circuit;
◆ 抑制EMI干擾;
Suppress EMI interference;
◆ 降低電容器溫度。
Reduce the temperature of the capacitor.
3、高耐壓,抗雷擊
High voltage withstand, lightning resistant
◆ 承受收來自輸入整流電路的電壓沖擊;
Withstand voltage surges from input rectifier circuits;
◆ 吸收來自電網(wǎng)的浪涌電流的沖擊。
Absorb the impact of surge current from the power grid.
4、長壽命,高可靠性
Long life, high reliability
◆ 承受較高的工作溫度;
Withstand higher operating temperatures;
◆ 滿足產(chǎn)品設(shè)計(jì)壽命要求。
Meet product design life requirements.