Simple Electrical Troubleshooting Techniques to Learn If You’re An Electrician As an electrician, you are expected to encounter a lot of electrical circuits and drives that will malfunction when they age. There is great chance that you will be an expert in repairing said devices. But as you move onto the mastery level, it is best to gain knowledge on the basic techniques in troubleshooting those electrical devices. Please proceed onto reading if you want to get started. The solid-state electronic AC motive drive is becoming very popular in industrial plants these days. It has the power to control different devices such as pumps, mixers, conveyors, machine tools, air handlers and chillers. It may also be utilized to control a wide range of other electrical devices that are once utilized and powered through the DC. Since the damages of such electrical devices are usually due to the rectifier section, it would help much to have knowledge on insulated gate bipolar transistors, silicone controlled rectifiers, diodes and transistators. When it turns to AC drives, the most commonly utilized are the pulse width modulated inverter drives. What it does is convert the AC line voltage into a DC inside the converter section and then reconstruct it to be a variable voltage output again. Changing of frequency usually results to a variation in the motor speed. For the sake of ensuring the motor torque is maintained, the volts-to-frequency ratio is put at a constant.
Getting Down To Basics with Repairs
Now, what does it take for you to troubleshoot a motor drive? Most of the times, problem like this is not so hard to repair because most problems are within the power sections and not in the circuit boards. Being an ordinary plant maintenance technician, it can be that challenging to gain expertise in the repair of circuit boards since there will not be so many problems on circuit boards to deal with. In order to successful fix a variable frequency drive, you need to make use of a methodical approach. When knowledge of the device is not so broad, you can cling to the divide-and-conquer method that is taught in all technical schools.
Getting Down To Basics with Repairs
Always keep in mind that a good troubleshooter isolates the section that is not passing the signal first, and then work on it. In addition to that, safety must be given first and top priority when it comes to troubleshooting a dead VFD with speed and utmost efficiency. Even when capacitors are unplugged, they can retain dangerous charge that are harmful.

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