Medium Voltage Electrical Systems
MV panels or VCB Panels are a type of circuit breaker where an arc quenching occurs in a vacuum environment. In this panel, all the switchyard elements are placed inside the panel. The switchyard elements are the current transformer, Potential transformer, circuit breaker, etc..
In this course, the detailed training of the VCB panel, elements used in VCB Panels such as IED’s, BCUs, Trip circuit supervision relay, Lock out relay, Test terminal block, semaphore indicators, Meters etc., Protection/tripping sequence, control of MV feeder, electrical drawing of VCB panel.
This course helps engineers and technicians who wants to pursue their carrier in medium voltage electrical systems, focusing on important concepts, safety measures, and practical applications.
What will you learn
Applications of Industrial MV panel (VCB Panel).
Primary and Secondary Systems.
Power and Control circuits in electrical Panel.
Types of VCB Panels – Withdrawable type VCB panel and Fixed type VCB panel.
Panel General Arrangement – Front View.
Panel General Arrangement – Internal View.
Panel General Arrangement – Cable Gland Views.
Schematic Circuits – Closing circuit, tripping circuits, relay circuits, etc.,.
Indoor current transformer: General arrangement, types, applications.
Indoor potential transformer: General arrangement, types, applications.
Surge Arrestor: General arrangement, types, applications.
Numerical relays or IED.
Auxiliary relays: Master trip relay, contact multiplication relays, lockout relays, etc.,.
Technical Specifications of each element used in the VCB panel.
Knowledge on Electrical Circuits
Knowledge on AC Machines
Knowledge on Power systems (Switch Gear and Protection)
Knowledge on Low voltage systems
Sales and estimating for Motor Control Centre (MCC) involve a comprehensive process that starts with understanding the client’s requirements, such as the type of motors, control methods, protection, and automation needs. This often includes site visits to assess environmental conditions, power ratings, and space constraints. The next step is selecting the appropriate components, such as circuit breakers, contactors, starters, overload relays, and meters, ensuring the MCC is designed to handle the specific load and operational conditions.
The cost estimate is then prepared, considering material costs, labour, shipping, testing, and any customization needed, along with a reasonable profit margin. The proposal, including technical specifications, drawings, pricing, and terms, is submitted for client approval. Once the quote is finalized, the manufacturing process begins, followed by delivery, installation, and commissioning of the MCC. After-sales support, including maintenance and spare parts, is often offered to ensure long-term operation. Successful sales and estimating for MCCs rely on clear communication, technical expertise, and the ability to provide tailored solutions that meet the client’s operational and budgetary needs.
What will you learn
Types & Application of Industrial MCC panels (MCC/PCC/PMCC).
Class-C Equipment:- Common panel equip., application circuits, Selection & BoQ with Spec.
Class-B Equipment:- Project specific equip., application circuits, Selection & BoQ with Spec.
Class-A Equipment:- Project specific equip., application circuits, Selection & BoQ with Spec.
Understanding of Customer requirement, Specification, application and SLDs.
Understanding and Preparing of GA,BOQ, Scheme for Required Project
Estimating price for Power & Control Circuits of Motor Starters -DOL type feeders.
Estimating price for Power & Control Circuits of Motor Starters -SD type feeders.
Estimating price for Power & Control Circuits of Motor Starters -Incoming Feeders.
Estimating price for copper/aluminium bars for Main-Busbars & Feeder-busbars.
Estimating price for copper bars or cables for Feeders.
Knowledge on Electrical Circuits
Knowledge on AC Machines
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