Course Content
MV Substation Design and Specifications
Medium Voltage (MV) substations are critical components in the electrical distribution system. They transform voltage levels from high to medium, ensuring the safe and efficient distribution of electricity. Proper design and specifications are essential for reliable operation, safety, and cost-effectiveness.
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Key Components of MV Substations
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Design Considerations
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Specifications
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Construction and Commissioning
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Maintenance and Operation
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Overview of Medium Voltage (MV) Metal Enclosed Substation Equipment
Medium Voltage (MV) metal enclosed substations are integral to electrical distribution systems, providing safe and efficient power delivery. These substations house all essential electrical equipment within metal enclosures, ensuring protection from environmental factors and enhancing safety.
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Key Components of MV Metal Enclosed Substations
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Design and Specification Considerations
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Installation and Commissioning
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Operation and Maintenance
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Overview of Switchyard Equipment and Their Ordering Specifications
A switchyard is a critical part of the electrical power transmission and distribution system. It serves as the interface between transmission lines and the power generation or distribution network, ensuring the safe and efficient management of electrical power flow. Switchyard equipment plays a pivotal role in this process. Below is an overview of the essential switchyard equipment and their ordering specifications.
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Key Components of a Switchyard
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Ordering Specifications
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PROFESSIONAL TRAINING OF SUBSTATION DESIGN (MAIN EQUIPMENT)
About Lesson

Specifications

  1. Transformers:

    • Type: Oil-filled or dry-type.
    • Ratings: Voltage, capacity (MVA), impedance.
    • Cooling Method: ONAN (Oil Natural Air Natural), ONAF (Oil Natural Air Forced).

  2. Switchgear:

    • Type: Metal-clad, GIS (Gas Insulated Switchgear), or AIS (Air Insulated Switchgear).
    • Ratings: Voltage, current, breaking capacity.
    • Insulation: Air, SF6 gas, or vacuum.

  3. Protection Equipment:

    • Relays: Numerical or electromagnetic.
    • Meters: For monitoring voltage, current, power, and energy.
    • CTs and VTs: Current transformers and voltage transformers for measurement and protection.

  4. Cables and Conductors:

    • Type: XLPE (cross-linked polyethylene), EPR (ethylene propylene rubber).
    • Size: Based on current carrying capacity and voltage drop.

  5. Busbars:

    • Material: Copper or aluminum.
    • Configuration: Single bus, double bus, breaker and a half, ring bus.
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