Electric train Archives

Bullet Train fast Kaise chalti hai | High-Speed Train: Concept explained (Hindi)

G K Agrawal (Retd. Sr. DGM BHEL) / blog, Electric train, Electrical / 13/03/2026

इस लेख में मैं समझाऊंगा कि हाई-स्पीड बुलेट ट्रेन इतनी तेज़ कैसे चलती हैं (Bullet train fast kaise chalti hai) और इनका वर्किंग मैकेनिज्म (working mechanism) क्या है। बुलेट ट्रेन जैसी हाई-स्पीड ट्रेनें पारंपरिक ट्रेनों (conventional trains) की तुलना में बहुत अधिक गति से दौड़ सकती हैं। Bullet train की इस रफ़्तार के पीछे इनके […]

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What is a tilting electric train concept?

G K Agrawal (Retd. Sr. DGM BHEL) / Electric train, blog, Electrical / 10/04/2024

Tilting train concept during train turning

In this article, we discuss what is the tilting train and how it works. Nowadays, many high-speed type trains like bullet trains are tilting type trains. This tilting makes it possible for the train to take turns at high speed as follows:

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Why use Neutral in three-phase induction motor in VVFD

G K Agrawal (Retd. Sr. DGM BHEL) / AC supply, blog, Electric train, Electrical, Power electronics / 24/07/2025

We will discuss the need, advantage, and use of neutral in a three-phase induction motor in the complex VVVF (Variable voltage variable frequency) drive system.

You will learn how the use of neutral in an induction motor can make fault finding easy and improve protection and the reliability of the system

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How do high-speed Bullet Trains go so fast?, explained with diagrams

G K Agrawal (Retd. Sr. DGM BHEL) / Electric train, blog, Electrical / 13/03/2026

The high-speed bullet trains can go very fast. It is due to specially designed rails, tunnels, aerodynamic design, distributed engines, VVVF, etc. I will also explain about tunnels, rails, distributed or invisible train engine, train turning at high speed etc.

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Which Motor (AC, DC) is Used in a Train Engine and Why

G K Agrawal (Retd. Sr. DGM BHEL) / Electric train, blog, Electrical / 17/07/2025

Which mot in train engine tractive force concept

The type of AC or DC motor used in a locomotive train engine depends on the technology available, and technical advantages. And it also depends on the cost of running the train.

I also will discuss, reason for the using AC or DC motor in the train engine.

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