Feeder, Distributor & Service Mains | Explained | TheElectricalGuy

Summary

This video script explains the roles of the serviceman, distributor, and feeder in electricity distribution. It distinguishes between overhead and underground service mains, highlighting their applications and differences. The script further clarifies the functions of primary and secondary distributors, and the importance of the feeder as the link between substations and distributors. It emphasizes the technical and aesthetic considerations in electrical power supply systems.

Takeaways

• 🏠 The script explains the function of the serviceman, distributor, and feeder in the distribution of electricity.
• 🔌 The service main is the conductor or cable that connects the electricity supply to a house or factory, and it can be either overhead or underground.
• 🌐 Overhead service mains are common and cost-effective but less aesthetically pleasing, while underground service mains offer more safety, longer life, and are more visually appealing.
• 🏭 The distributor is the conductor or cable that powers the service main and can have multiple service mains connected to it, acting as a link between the power supply company and the consumer.
• 🔌 Primary distributors supply high voltage power to large consumers like factories and commercial buildings, while secondary distributors supply low voltage power.
• 🔗 The feeder is the conductor that powers the distributor and comes directly from the substation, ensuring the current remains the same at both ends.
• ⚙️ The selection of the feeder is based on its current carrying capacity, which is crucial for the efficient distribution of power.
• 🏢 The script uses the example of a 36 KV by 11 KV substation to illustrate how the feeder carries power to the distributor and then to the service mains.
• 🛠️ Fault identification and conversion from one phase to three phase are easier with overhead service mains.
• 👷‍♂️ Skilled labor is required for setting up underground service mains, making them more complex to install compared to overhead service mains.
• 🎥 The video encourages viewers to like, subscribe, and share if they find the content helpful, emphasizing the importance of community in learning about electrical engineering.

Q & A

What are the key components discussed in the video script related to the distribution of electricity?

The key components discussed are the serviceman, the distributor, and the feeder.

What is the purpose of a serviceman in an electrical supply system?

A serviceman connects the electrical supply from the distribution company to a house or factory through a meter or incoming panel.

What are the two types of servicemen mentioned in the script?

The two types of servicemen are overhead servicemen and underground servicemen.

Why might an overhead serviceman be preferred over an underground serviceman?

An overhead serviceman is preferred due to its cost-effectiveness, ease of installation, and ease of fault identification.

What are the advantages of an underground serviceman compared to an overhead serviceman?

An underground serviceman offers more safety, a longer lifespan, and a neater aesthetic appearance.

What is the role of a distributor in the context of electricity supply?

A distributor is a conductor or cable that powers the serviceman and can have multiple service connections branching off from it.

How are distributors categorized in terms of voltage?

Distributors are categorized into primary distributors, which are high voltage, and secondary distributors, which are low voltage.

What is the function of a feeder in an electrical distribution system?

A feeder is a cable or conductor that powers the distributor and comes directly from the substation.

Why is the current at the receiving end of a feeder the same as at the sending end?

Since no taps are taken on the feeder, the current remains unchanged from the sending to the receiving end.

What is the difference between a primary distributor and a secondary distributor in terms of customer needs?

A primary distributor supplies high voltage for customers who need it directly, like factories or commercial buildings, while a secondary distributor provides low voltage for general use.

How does the video script encourage viewers to engage with the content?

The script encourages viewers to like, subscribe, and share the video to help others learn about electrical engineering easily.