A06B-6290-H207 直流驱动器
直流驱动器首先可以对变频器做一个静态的测试,一般通用型变频器大致包括以下几个部分
(1)整流电路;
(2)直流中间电路;
(3)逆变电路;
(4)控制电路。
静态测试主要是对整流电路,直流中间电路和逆变电路部分的大功率晶体管(功率模块)的一个测试,工具主要是万用表。整流电路主要是对整流二极管的一个正反向的测试来判断它的好坏,当然我们还可以用耐压表来测试。直流中间回路主要是对滤波电容的容量及耐压的测量,我们也可以观察电容上的安全阀是否爆开,有否漏液现象等

A06B-6290-H207 直流驱动器
Dc drive can first do a static test on the inverter, the general general inverter roughly includes the following parts
(1) Rectifier circuit;
(2) DC intermediate circuit; (3) inverter circuit; (4) Control circuit.
The static test is mainly a test of high-power transistors (power modules) in the rectifier circuit, DC intermediate circuit and inverter circuit, and the tool is mainly a multimeter. The rectifier circuit is mainly a positive and negative test of the rectifier diode to judge its quality, of course, we can also use a voltage gauge to test. The DC intermediate circuit is mainly to measure the capacity and pressure resistance of the filter capacitor, and we can also observe whether the safety valve on the capacitor bursts and whether there is leakage phenomenon

A06B-6290-H207 直流驱动器
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