请问这个电路图里如何在电容上实现电压的阶梯充电的？要想在电容上实现阶梯充电，变压器右侧需要满足什么条件?二极管右边的共模电感的漏感和电容谐振时候吗？共模电感的漏感可以与电容并联谐振吗？---**Chart Description:** * **Type:** Electrical Circuit Diagram. * **Main Elements:** * **Components:** * V1: AC voltage source with positive (+) and negative (-) terminals marked. * T3: Transformer with primary and secondary windings. Labeled "T3". * D2: Diode, labeled "D2". Anode is on the left, cathode on the right. * T1: Transformer with primary and secondary windings. Labeled "T1". A dot marking is present on the top terminal of the primary winding. * C3: Capacitor, labeled "C3". * **Connections:** * V1 is connected to the primary winding of T3. * The secondary winding of T3 is connected in series with the diode D2 and the primary winding of T1. The connection forms a closed loop. The left terminal of T3's secondary is connected to the anode of D2. The cathode of D2 is connected to the dotted terminal of T1's primary. The non-dotted terminal of T1's primary is connected back to the right terminal of T3's secondary. * The secondary winding of T1 is connected across the capacitor C3. * **Labels and Annotations:** * V1 * T3 * 1:10 (Turn ratio for transformer T3, likely indicating primary to secondary ratio) * D2 * T1 * C3 * **Relative Position and Direction:** The circuit flows from left to right, starting with the voltage source V1, through T3, then D2 and T1's primary, and ending with T1's secondary connected to C3. * **Dot Markings:** A dot marking is shown on the top terminal of the primary winding of T1. * **Lines:** Wires connecting the components are shown as red lines. Transformer windings are depicted with standard coil symbols. Diode and capacitor are standard symbols. The AC source is the standard circle with a sine wave inside.