System and method for improving efficiency of power converter

Systems and methods for improving inverter efficiency are provided. In some embodiments, the inverter may be configured to connect to a direct current power source and output alternating current power. The inverter may include one or more transistors configured to receive a direct current signal and output a pulse width modulated signal having a particular switching frequency or spread spectrum. The inverter also includes a low pass filter having a plurality of elements, wherein each of the plurality of elements has a parasitic characteristic. One or more of the plurality of elements may be designed such that the frequency response has a notch or minimum at the switching frequency while having a desired cutoff frequency. 提供了用于提高逆变器效率的系统和方法。在一些实施例中，逆变器可以被配置成连接到直流电源并输出交流功率。逆变器可以包括一个或更多个晶体管，该一个或更多个晶体管被配置成接收直流信号并输出具有特定开关频率或扩频频率的脉宽调制信号。逆变器还包括具有多个元件的低通滤波器，其中多个元件中的每一个都具有寄生特性。多个元件中的一个或更多个可以被设计成使得频率响应在开关频率处具有陷波或最小值，同时具有期望的截止频率。