What is Buchholz Relay and How does it work?
What is Buchholz Relay? Buchholz Relay is a safety device mounted on oil-filled power transformers and reactors, equipped with an …
Electrical Machine
Why CT secondary should not be open circuited?
The most important precaution that shall be taken care of while working with the Current Transformer (CT) is that its …
Why Transformer is rated in kVA, not in kW?
A transformer is a static electrical device that transfers electrical power from one circuit to another circuit without changing its …
Core Balance Current Transformer (CBCT) or Zero Sequence CT (ZCT)
A core balance current transformer (also termed as CBCT) is a ring-type current transformer (CT) through the center of which either three single-core cables or a single three-core cable of three-phase system passes. That three-core cable forms the primary winding of CBCT.
12 Different Parts of Transformer and their Functions
Following are the various parts of the transformer:
Laminated core
Windings
Insulating material
Tank
Terminals and bushings
Transformer oil
Tap changer
Buchholz relay
Oil conservator
Explosion vent
Breather
Radiator and fans
Star-Delta Starter – Working with Power and Control Circuit
Star-delta starter is the most commonly used reduced voltage starting method for starting a medium HP 3-phase squirrel cage induction motor (SCIM). It is also known as a wye-delta starter.