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Substation Energy Flow

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MOQ : 1 Unit

Substation Energy Flow Specification

Low Voltage
11 kV, 33 kV, or custom

Coil Material
Copper

High Voltage
Up to 220 kV

Voltage Booster Type
Off-load and on-load tap changer type

Dimension (L*W*H)
Custom based on rating (typical 3.5m x 2.6m x 4.3m)

Rated Voltage
Up to 220 kV

Standard
IS 2026, IEC 60076

Operating Temperature
-25C to +50C

Load Loss
As per IS/IEC Standards

Cooling Type
ONAN/ONAF (Oil Natural Air Natural/Oil Natural Air Forced)

Capacity
25-160 MVA

Product Type
Substation Transformer

Material
Copper

Output
As per customer requirement

Frequency (MHz)
50 Hertz (HZ)

Efficiency
99.9%

Phase
Three Phase

Usage
Energy distribution and monitoring in power substations

Coil Structure
Layered cylindrical coil

Coil Number
Two (Primary and Secondary)

Power Scope
Up to 160 MVA

Weight
Varies by capacity, generally 10-80 tons

Altitude Suitability
Up to 1000 meters without derating

Service Life
25+ years under rated conditions

Cooling Medium
Mineral insulating oil

Noise Level
< 65 dB at 1 meter

Accessories
Conservator, Breather, Magnetic Oil Level Gauge, Pressure Relief Valve

Protection
Buchholz relay, PRV, OTI, WTI, OLTC protection

Winding Connection
Delta/Star

Bushing Type
Porcelain/Oil filled

Tap Changer
OLTC/Off-circuit tap changer

Core Type
Laminated core

Impedance Voltage
As per specification requirement

Painting/Finish
Corrosion-resistant, UV-resistant epoxy paint

Insulation Class
Class A/B as per IS/IEC

Vector Group
Dyn11 or as per requirement

Substation Energy Flow Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
100 Units Per Month

Delivery Time
2-3 Months

About Substation Energy Flow

A substation is a high-voltage electric system facility. It is used to switch generators, and circuits or lines in and out of a system. It also is used to change AC voltages from one level to another, and/or change alternating current to direct current or direct current to alternating current. Some substations are small with little more than a transformer and associated switches.

Superior Design and Construction

These transformers utilize a laminated core and layered cylindrical coils made from high-quality copper, ensuring optimal electrical performance. Complying with IS/IEC 60076 standards, the design incorporates a corrosion-resistant, UV-resistant epoxy paint finish for enduring harsh environments and minimizing maintenance needs.

Comprehensive Safety Features

For enhanced operational safety, the transformers are equipped with Buchholz relays, oil temperature indicators (OTI), winding temperature indicators (WTI), conservator, breather, and magnetic oil level gauges. Additional protection includes a pressure relief valve (PRV) and OLTC protection mechanisms, ensuring rapid response to abnormal conditions.

Flexible Operational Specifications

Supporting both ONAN and ONAF cooling technologies, the transformers operate efficiently at temperatures ranging from -25C to +50C. With voltage ratings up to 220 kV and capacities from 25 MVA to 160 MVA, they accommodate custom dimension and output specifications, making them suitable for diverse power distribution scenarios.

FAQ's of Substation Energy Flow:

Q: How does the insulation class of the transformer enhance its reliability?

A: Transformers utilize Class A or B insulation as specified by IS/IEC standards, ensuring thermal reliability and enhancing component durability even during extended operation at elevated temperatures.

Q: What vector group is used and why is Dyn11 commonly preferred?

A: This product supports Dyn11 vector group or custom options. Dyn11 is commonly chosen because it provides effective phase displacement for balancing loads and is widely compatible with power networks across India.

Q: When are the OLTC and off-circuit tap changers used in operation?

A: OLTC (On-Load Tap Changers) are used to adjust voltage without disconnecting the transformer from the power supply, ideal during load changes, while off-circuit tap changers require the transformer to be de-energized and are generally used for periodic adjustments.

Q: Where are these transformers typically installed?

A: These transformers are designed for installation in substation environments across India, including power generation plants, transmission grids, and energy distribution substations requiring voltage transformation up to 220 kV.

Q: What does the corrosion-resistant, UV-resistant epoxy finish offer as a benefit?

A: This specialized paint finish protects the transformer from moisture, chemicals, and intense sunlight, reducing long-term maintenance and extending service life, especially in outdoor and harsh climatic conditions.

Q: How is product efficiency and energy loss addressed?

A: Each transformer is engineered for 99.9% efficiency, with load loss parameters conforming strictly to IS/IEC standards, ensuring minimal energy loss during operation and optimum performance for power delivery.

Q: What accessories are included, and how do they facilitate operations or maintenance?

A: Standard accessories include conservator, breather, magnetic oil level gauge, and pressure relief valve. These components support effective oil management, air filtration, monitoring of insulation condition, and safety during abnormal pressure events.

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