lumped capacitance

例句：

1. 1. The lumped capacitance model is widely used in power electronics.
   集总电容模型在电力电子学中被广泛使用。
2. 2.In this circuit, the lumped capacitance represents the parallel combination of two capacitors.
   在这个电路中，集总电容代表两个电容器的并联组合。
3. 3. The lumped capacitance model helps us understand the behavior of the system under different operating conditions.
   集总电容模型帮助我们理解系统在不同运行条件下的行为。