For electric motor failure causes,the common defected for mechanical part is bearing.Normally 1 unit motor have a 2 pieces of bearing and type of bearing for induction motor is ball bearing full metal cover ( ZZ ). Root cause for bearings problem usually such as rusty due to condensation process,ball in housing broken,grease was burn [...]
Before we perform the crimping job,we must provide the suitable tools.The tools such as Crimping tools,cable cutter and cable lugs.Please ensure a lugs size is fix with electric cable.We can refer to the tag on the lugs. If you not sure or familiar with crimping tools and cable cutter,please refer to my post about crimping [...]
Last post i already discuss about Earthing system classification.I mention earthing system have a several types such as TT,IT,TN-C,TN-S and TN-C-S.This time i want explain detail about type of earthing systems. Earthing system is designed followed by electrical system required and the application.It have different earthing system for each electrical application such as consumer power [...]
Relays have a wide range of application in industry.Even with the advent of electronic control such as PLC and other solid state devices such as thyristors,the electromechanical relay still retain a high level of acceptance. We can found relay in every where such as control panel,equipment and machinery.It is common use for automation and motor [...]
For star delta stater,the motor connection must have 6 cables from control panel and 6 terminals at induction motor ( U1,U2,V1,V2,W1,W3).To wiring the motor connection for star delta starter,the important thing that we must fully understand is about the basic of STAR DELTA MAGIC TRIANGLE. For detail about star delta stater please read my last [...]
This time i want discuss about second phase of troubleshooting technique,it is a problem solving.This step will begin after we completed the first step,situation analysis.I already discuss on my last post. To ensure the problem solving step is successfully,we must done the situation analysis completely and collect the detail information.The best way is by performing [...]
Air-condition split unit type is a very common used around the world for cooling the houses,clinic,restaurant,bank and office.It very popular because the price is not high and average people capable to owned it.Also it easy to install and have a long life span if we follow their periodical maintenance. This time i want share the [...]
