In this Video, Disha Mehtani, Asst. Prof., Biyani Group of Colleges explains about the construction and working of Buchholz Relay. This relay is a gas operated relay and is used for the proctection of oil immersed transformer. Basically a relay is used for the protection against power system when there is a fault in the system.

In this Video, Disha Mehtani, Biyani Group of Colleges explains about the UPS. Basically ac power supplies can be used for ups I.e standby power supply for critical loads. It has two configuration: 1. load is directly supplied from main source. 2. the load is supllied from an inverter.

Hand writing Analysis is all about how you craft your words indicates 5000 different personality traits and this science is known as “Graphology”. Your personality can be easily judged just looking at the way you write so go through this interesting lecture to judge yourself.

This lecture is presented by Ms. Apoorva Gupta, Asst. Professor of Biyani International Institute of Engineering and Technology. HVDC transmission system is used to transmit bulk power over a long distance without much loss of power and with great efficiency. There are three types of dc links for HVDC transmission system.

This lecture is presented by Ms. Apoorva Gupta, Asst. Professor of Biyani International Institute of Engineering And Technology. Speed control of electrical drives are the control system used for controlling the speed of the electrical drives which can be any motor or generator etc..Control of the electrical devices is very important for the proper working of the derive system and there are basically five blocks in the control system.