Electric Testing and Maintenance Lectures
Video lectures presented here give recommendations for field commissioning and maintenance of electrical installations and equipment. Videos cover low voltage as well as medium and high voltage equipment and systems.
The necessity of safety precautions during work on electrical equipment is extremely important and therefore maybe over-emphasised. The following videos are segmented by equipment type. For each component, a recommended minimum practice for preventive maintenance is provided.
This Electric Maintenance Courses consist of various video lecturers collected from Youtube.
Testing of Protection and Measurement Equipment
Protective relays, energy meters, measurement transducers, and power quality devices are vital components of power systems. Regular testing of all these devices is necessary to ensure their reliability.
Jan 20, 2013
Measuring DC Winding Resistance of Transformer
In the factory, winding resistance is measured in order to assure proper manufacturing and calculate conductor losses. On site, this measurement is performed to evaluate possible winding damage, such as short circuits between windings or between turns, open circuits, contact… Read more
Jan 20, 2013
Power Transformer Testing
Power transformers transform electrical energy from one voltage level to another – by stepping voItages up for transmission to minimize losses, or down for distribution. During regular operation, and in particular during an electrical fault, power transformers are subject to:… Read more
Jan 20, 2013
TanDelta/Power Factor Testing
In this video you will learn about means to measure the quality of the insulation of power transformers and bushings, such as power factor or dissipation factor measurement, and measuring capacitance. Possible causes for a reduction in insulation quality are… Read more
Jan 20, 2013
Electrical Power Equipment Safety
Power transformers perform the vital task of changing the voltage from one level to another. They are essential for the efficient and economic transmission of power over long distances. The principal hazards found in work with power transformers include explosion… Read more
Jan 20, 2013
Outdoor Electrical Safety (VIDEO Sessions)
Electricity is a force we take for granted. Although we harness it for clean energy it can also do severe damage if misused. In the five chapters of the documentary Outdoor Electrical Safety LA Cityview 35 writer / producer Paul… Read more
Jan 20, 2013
Electrical Safety for Facilities
This two videos represent the introduction to electrical safety for facilities. In part one we will: Look at the effects electricity has on the body based on current, voltage, time, path, and resistance Illustrate how electricity behaves and how shock… Read more
Jan 20, 2013
Inspection of Primary Distribution Switchgear
Let’s describe the enviornment: The installation is supplied by three 1000 kVA distribution transformers which connect to a low voltage distribution panel – fitted with fused switches.
Jan 20, 2013
Industrial Inspection and Testing
Inspection and testing is a important and at the same time critical task before an installation is fully commissioned, and one which will form the foundation of a planned inspection and maintenance schedule throughout the whole life of the installation…. Read more
Jan 20, 2013
Recognizing Overheated Neutral
What we are looking here are five units of energy service meters, five disconnects on the up side and feeder wires coming in. Top wires are going to interior panel. Cable label can be read very clear, and it’s sized… Read more
Jan 20, 2013
How to Change a Circuit Breaker
This video tutorial works for single pole as well as double pole circuit breakers. Tools needed for this project will be standard flat-head screwdriver, highly recommended sniffer or a stick tester and digital multimeter.
Jan 19, 2013
Checking for a Bad Circuit Breaker
In this video tutorial we’r egoing to work with single pole as well as double pole circuit breakers. Now, the only tool you’re gonna need for this project is screwdriver and digital volmeter. The first step in this process will… Read more
Jan 19, 2013
Home Inspection of Grounding and Panel Box
Part of checking the electrical system is to check the coldwater ground in the grounding electrode or the ground wire to any ground rod.
Jan 19, 2013
Testing of Home Electrical Installations
Every home has a electrical panel that distributes electricity to switches, outlets, and appliances. When a new installation has been completed, it must be inspected and tested to ensure that it is safe to use. This process is known as… Read more
Jan 15, 2013
Energized Services Performed on a 400A Distribution Panel
We begin the service utilizing the Ultrasonic Pro device. We are listening for noise generated by arcing, tracking and corona. This provides safety risk alert for the technician as well as identifying the anomalies.
Jan 15, 2013
As a Testing Engineer I found it very helpful material.Thank you for sharing.
Running alternator pmg got faulty, is there any other schemes available without loss of generation
how to download vedios?
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Please, how can I become a premium member?
Your lectures are so easy to grasp and obviously very informative … Thank you so much sir 😊
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It s good.
Hi Edvard
How can i show the movies in this site?
Are this movies linked to other site?
thanks
I hope this would be helpful material , but problem is that these videos are not playing , can anybody give direct links of these videos
The info is great and beneficial.
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Thank you Waseem!
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Hi dear
I nead to instraction manual for repair EAF and Power Transformer. Please send to me.
Thanks
I need electrical calculation software,so how i should get downlod
send via mail link
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Sir i want to download this video…how can i
@deepanker simply install the IDM first on your pc and then click the video play button option,it’ll automatically lead you to the download option.
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hello sir….
i want to know about the courses.. and videos
can u tell mehow can i watch?
HI dear
i can not watch video lecture
pls give me a couple of suggestion
hi,can you show a video for power frequency test of 24kv medium voltage switchboards?
Thankyou for giving us so much help.
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