Mastering Medium Voltage Schematics Episode 02

Dear All,

Welcome to the course "Mastering Medium Voltage Schematics". This training starts from a very basic level to an advanced level. Focus has been given to delivering practical and hands-on knowledge.

Trainer Introduction:

Your trainer brings over 21 years of experience in operation & maintenance, erection, testing, project management, consultancy, supervision, substation automation, SCADA, and commissioning. With a background spanning power plants, high voltage substations, and HVDC installations, he has worked with renowned organizations such as Siemens Saudi Arabia. He has been involved in over 20 high-voltage substation projects across Pakistan and Saudi Arabia.

His expertise encompasses a wide range of areas including protection systems, substation automation systems, design, testing, and commissioning of power generation systems, high voltage switchgear, protection relays, and control schemes. He has a proven track record of leading testing and commissioning teams for implementing electrical infrastructure projects for industrial clients, including steel and petrochemical industries.

This online course is part 02 of the Mastering Medium Voltage Switchgear drawings.  In this part we have covered the following topics.

* Introduction to motor charging circuit

* Spring mechanism operation

* Spring charging interlock circuit

* Spring charge indication

* Task to identify mistake in drawing

* Local, remote, emergency & off controls

* Test & service position and interlocks

* Contact multiplication relay

* Closing circuit matrix

*  What is slamming and antislam circuit

*Coil save circuit for tripping and closing coil

* Coordination of trip command duration

* Seal in or latching circuit

* What is pumping action in MV switchgear

* Pumping due to SOTF

* Pumping due to open and close command at same time

* Anti pumping relay circuit

* Adding spring contact in closing circuit

* How mechanical interlocks are presented in drawings

* CB trolley test & service position interlock in closing circuit

*Tripping latch interlock in closing circuit.

Thanks