Using Megger tester for these 3 types of insulation resistance tests

You know that good insulation has high resistance and poor insulation relatively low resistance. The actual resistance values can be higher or lower, depending upon such factors as the temperature… Read more

Nov 04, 2016 | Edvard

3 easy measures for a good PLC system maintenance

Why need for PLC system maintenance when they are designed to be easy to maintain and to ensure trouble-free operation? Well, several maintenance aspects should be considered once the system… Read more

Nov 02, 2016 | Edvard

5 good methods to apply for successful PLC troubleshooting

PLC troubleshooting can be performed in many different ways and as the engineer’s experience always plays the major role in successful resolving of such issues, five methods have been developed…. Read more

Oct 19, 2016 | Edvard

PLC start up and checking procedures before applying the power

Prior to applying power to the system there are five important PLC start up and checking procedures to perform. User should make several final inspections of the hardware components and… Read more

Sep 23, 2016 | Edvard

Testing of transformer oil and winding temperature indicators

All large transformers have an oil or a winding temperature indicating device of some type, and most have temperature recorders as well. Indication may be for top-oil temperature or hotspot… Read more

Aug 10, 2016 | Edvard

Electricity and water do not form a happy partnership, do they?

Electricity and water do not form a happy partnership and so it is often necessary to “dry out” insulation. This may be done to remove surface moisture or perhaps to… Read more

Jul 13, 2016 | Edvard

Commissioning tests of protection relays at site (before set to work)

Installation of protection relays at site creates a number of possibilities for errors in the implementation of the scheme to occur. Even if the scheme has been thoroughly tested in… Read more

Jul 11, 2016 | Edvard

Why does electric motor fail and what can you do about it?

As you already know, electric motor is used everywhere in industry and in term of technology – it’s already pretty complex, sometimes making it a challenge to keep it running at… Read more

Jun 16, 2016 | Edvard

Do’s and don’ts when measuring insulation resistance of a transformer

This test is performed at or above rated voltage to determine if there are low resistance paths to ground or between winding to winding as a result of winding insulation… Read more

May 18, 2016 | Edvard

Using digital multimeter for testing the charging system of your car

To be honest with you, this article is about testing the car charging system and it isn’t applicable on new Tesla Model III or new BMW 7-series. As you can… Read more

May 16, 2016 | Edvard