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Pre-commissioning tests and in-service checks of protection system
The pre-commissioning tests need to be carefully programmed so that they take place in a logical and efficient order, in order that no equipment is disturbed again during subsequent tests. Before...
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How do faults develop in a HV transformer and why condition monitoring is...
Condition monitoring equipment that can be used to extend the life of a transformer or to prevent catastrophic failure could pay for itself many times over. However, condition monitoring does... Read more
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3 greatest enemies to the transformer operation (and how to prevent them)
The principal object of transformer maintenance is to maintain the insulation in good condition. Moisture, dust and excessive heat are the main reasons of insulation deterioration and avoidance of...
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Commissioning Numerical Protection and Procedure For Carrying Out Performance...
Numerical protection is based on a number of microprocessors that can be programmed to reproduce virtually any type of protection and relay. It represents important advantages in reliability, space...
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Secondary Injection Tests For Checking The Correct Operation Of The...
Secondary injection tests are always done prior to primary injection tests. The purpose of secondary injection testing is to prove the correct operation of the protection scheme that is downstream......
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Primary Injection Testing Of Protection System For Wiring Errors Between VTs...
This type of test involves the entire circuit – current transformer primary and secondary windings, relay coils, trip and alarm circuits, and all intervening wiring are checked. There is no... Read more
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A Good Grounding Of The Power Substation And Switching Station – What Does It...
Provision of adequate grounding in a substation and switching stations are very important for the safety of operating personnel as well a electrical devices do not rise above tolerable thresholds......
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Good Practice Rules For In-Process Inspection Of Low Voltage Switchboard
The purpose of in-process inspection is to ensure product conformity after each manufacturing operation. This process concerns all the manufacturing operations done by the workshop operators....
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The Most Important Tests For Medium Voltage Metal-Enclosed Switchgear (You...
The design of the insulation system for metal-enclosed switchgear is based upon life expectancy of about 30 years. However, environmental conditions such as dirt, moisture, and corrosive atmosphere can...
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Commissioning substation busbars in an efficient and modern way
The commissioning procedure of substation busbars for differential protection and other busbar protection schemes involves a large number of input and output circuits that require a verification check...
View ArticleClik here to view.
Pre-commissioning tests and in-service checks of protection system
The pre-commissioning tests need to be carefully programmed so that they take place in a logical and efficient order, in order that no equipment is disturbed again during subsequent tests.... Read...
View ArticleClik here to view.
How do faults develop in a HV transformer and why condition monitoring is...
Condition monitoring equipment that can be used to extend the life of a transformer or to prevent catastrophic failure could pay for itself many times over. However, condition monitoring does... Read...
View ArticleClik here to view.
3 greatest enemies to the transformer operation (and how to prevent them)
The principal object of transformer maintenance is to maintain the insulation in good condition. Moisture, dust and excessive heat are the main reasons of insulation deterioration and avoidance of...
View ArticleClik here to view.
Commissioning Numerical Protection and Procedure For Carrying Out Performance...
Numerical protection is based on a number of microprocessors that can be programmed to reproduce virtually any type of protection and relay. It represents important advantages in reliability, space...
View ArticleClik here to view.
Secondary Injection Tests For Checking The Correct Operation Of The...
Secondary injection tests are always done prior to primary injection tests. The purpose of secondary injection testing is to prove the correct operation of the protection scheme that is downstream......
View ArticleClik here to view.
Primary Injection Testing Of Protection System For Wiring Errors Between VTs...
This type of test involves the entire circuit – current transformer primary and secondary windings, relay coils, trip and alarm circuits, and all intervening wiring are checked. There is no... Read...
View ArticleClik here to view.
A Good Grounding Of The Power Substation And Switching Station – What Does It...
Provision of adequate grounding in a substation and switching stations are very important for the safety of operating personnel as well a electrical devices do not rise above tolerable thresholds......
View ArticleClik here to view.
Good Practice Rules For In-Process Inspection Of Low Voltage Switchboard
The purpose of in-process inspection is to ensure product conformity after each manufacturing operation. This process concerns all the manufacturing operations done by the workshop operators....
View ArticleClik here to view.
The Most Important Tests For Medium Voltage Metal-Enclosed Switchgear (You...
The design of the insulation system for metal-enclosed switchgear is based upon life expectancy of about 30 years. However, environmental conditions such as dirt, moisture, and corrosive atmosphere can...
View ArticleClik here to view.
8 practical applications of testing ground system using clamp-on tester
First of all, it is extremely important that the operator/engineer understand the ground system that is being tested. The clamp-on measurement works well in many situations, but it has limitations......
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