Author: Prabhu TL

Prabhu TL is a SenseCentral contributor covering digital products, entrepreneurship, and scalable online business systems. He focuses on turning ideas into repeatable processes—validation, positioning, marketing, and execution. His writing is known for simple frameworks, clear checklists, and real-world examples. When he’s not writing, he’s usually building new digital assets and experimenting with growth channels.

Power System Operation and Control

Current Transformers(CT)s and Potential Transformer(PT)

Current transformers are generally used to measure currents of high magnitude. These transformers step down the current to…

August 11, 2021 · Prabhu TL

Protection Switchgear

Under Frequency | Negative Sequence Relay

Under Frequency Relay Frequency based relays can either be under frequency relay or over frequency relay. The frequency relays are normally…

August 11, 2021 · Prabhu TL

Protection Switchgear

Static relays

Advantages of static relays  •  Due to the amplification of energizing signals obtainable, the sources need only provide low…

August 11, 2021 · Prabhu TL

Protection Switchgear

Distance relay

 Distance relay is used for the protection of transmission line & feeders In a distance relay, instead of…

August 11, 2021 · Prabhu TL

Protection Switchgear

Directional Over Current Relays

 1.                          When fault current can flow in both the directions through the relay, at its location. Therefore, it is…

August 11, 2021 · Prabhu TL

Protection Switchgear

Definition of Torque

Torque is defined as the moment of the external applied force about a point or axis of rotation.…

August 11, 2021 · Prabhu TL

Protection Switchgear

Impedance Relay

The torque equation T, for such a relay the current actuates the operating torque and the voltage actuates…

August 11, 2021 · Prabhu TL

Protection Switchgear

Electromagnetic Relay

Electromagnetic relays are those relays which are operated by electromagnetic action. Modern electrical protection relays are mainly micro…

August 11, 2021 · Prabhu TL

Protection Switchgear

Zones and types of Protection system

 Zones of Protection system ·         An electric power system is divided into several zones of protection. Each zone of…

August 11, 2021 · Prabhu TL

Protection Switchgear

NATURE &EFFECT OF TRANSFRMER FAULTS

 A faults on transformer winding is controlled in magnitude by  a)                         Source & neutral earthing impedance  b)                         Leakage reactance of…

August 11, 2021 · Prabhu TL