Three Phase Substation

Name: Three Phase Substation
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 1257000.00 INR
Availability: InStock

1257000.00 INR/Unit

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Product Details:

High Voltage 11kV, 22kV, 33kV
Capacity 315 kVA to 5000 kVA
Low Voltage 415V
Voltage Booster Type Tap Changer
Dimension (L*W*H) 3850mm x 1950mm x 2600mm
Rated Voltage 11kV/ 22kV/ 33kV
Operating Temperature -10C to +55C
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Three Phase Substation Price And Quantity

Price 1257000.00 INR/Unit
Minimum Order Quantity 1 Unit

Cooling Medium Transformer grade mineral oil
Cable Entry Bottom and side entry options available
Humidity Resistance Up to 95% RH
Protection Level IP54
Ambient Altitude Up to 1000 m above sea level
Noise Level < 50 dB at 1m distance
Tap Changer Off-circuit tap changer, ±5% in 2.5% steps
Cooling Oil Volume 800 liters
Service Life 25 years minimum
Paint Finish Epoxy powder coated
Overload Capacity 120% rated load for 2 hours
Impedance Voltage 8.5%
Earthing Double earthing terminals
Applicable Standards IS 2026, IEC 60076
Winding Connection Dyn11 or Yyn0
Mounting Type Pad mounted
Arc Fault Protection Yes, arc resistant design
Insulation Class Class A / F

Three Phase Substation Product Specifications

Low Voltage 415V
Material High-grade CRGO Silicon Steel and Copper
Coil Number Three
Output Up to 5000 kVA
Product Type Outdoor Substation
Voltage Booster Type Tap Changer
Dimension (L*W*H) 3850mm x 1950mm x 2600mm
Load Loss 850 W (at rated capacity)
Rated Voltage 11kV/ 22kV/ 33kV
Operating Temperature -10C to +55C
Power Scope Available from 11kV to 33kV
Phase Three Phase
High Voltage 11kV, 22kV, 33kV
Coil Structure Layered and Foil Wound
Weight 3500 kg
Capacity 315 kVA to 5000 kVA
Usage Electrical power distribution and transmission
Frequency (MHz) 50 Hz
Efficiency 98% approx.
Cooling Type ONAN (Oil Natural Air Natural)
Coil Material High conductivity copper

Cooling Medium Transformer grade mineral oil
Cable Entry Bottom and side entry options available
Humidity Resistance Up to 95% RH
Protection Level IP54
Ambient Altitude Up to 1000 m above sea level
Noise Level < 50 dB at 1m distance
Tap Changer Off-circuit tap changer, ±5% in 2.5% steps
Cooling Oil Volume 800 liters
Service Life 25 years minimum
Paint Finish Epoxy powder coated
Overload Capacity 120% rated load for 2 hours
Impedance Voltage 8.5%
Earthing Double earthing terminals
Applicable Standards IS 2026, IEC 60076
Winding Connection Dyn11 or Yyn0
Mounting Type Pad mounted
Arc Fault Protection Yes, arc resistant design
Insulation Class Class A / F

Three Phase Substation Trade Information

Supply Ability 500 Unit Per Month
Delivery Time 30 Days

Product Description

A Three Phase Substation is offered by us that leaves the generator and enters a transmission substation at the power plant. This substation uses large transformers to convert or step up the generators voltage to extremely high voltages for long-distance transmission on the transmission grid. It can be defined as the common method of alternating current power generation, transmission, and distribution. Transmission substations can range from simple to complex. The large transmission substations can cover a large area (several acres/hectares) with multiple voltage levels. The Three Phase Substation is offered Three Phase Substation is very effective and easy to install.

Product Details of Three Phase Substation :

Voltage Ratio	33kV/433V
Usage/Application	Industrial
Cooling Type	Air Cooled
Brand	NGG Power Tech
Phase	3-Phase
Power Rating	1000kVA
Country of Origin	Made in India
Winding Material	Copper

Enhanced Durability and Protection

Equipped with an epoxy powder-coated housing and IP54 ingress protection, this substation ensures superior resistance to moisture, humidity (up to 95% RH), and environmental contaminants. Its arc-resistant design, double earthing terminals, and arc fault protection enhance safety and operational integrity, making it ideal for industrial and urban power distribution.

Efficient Power Delivery and Versatility

With an efficiency rating of approximately 98%, the substation supports a wide range of capacities (3155000 kVA) and voltages (11kV, 22kV, 33kV). Its Dyn11 or Yyn0 winding connections, tap changer (5% in 2.5% steps), and cable entry options (bottom/side) offer adaptability for numerous installation scenarios and power requirements.

Advanced Cooling and Noise Management

Utilizing ONAN (Oil Natural Air Natural) cooling with 800 liters of high-grade transformer mineral oil, the unit maintains optimal thermal performance and a low noise level (<50 dB at 1m). This ensures reliable, quiet operation even under high loads or extended overload (up to 120% for 2 hours).

FAQs of Three Phase Substation:

Q: How does the substation manage humidity and environmental exposure?

A: The substation features an IP54 protection level and an epoxy powder-coated finish, allowing it to operate reliably in environments with relative humidity up to 95%. These measures protect the internal components from dust, rain, and humidity, extending its operational service life and reducing maintenance requirements.

Q: What are the main advantages of the Dyn11 and Yyn0 winding connections?

A: Dyn11 and Yyn0 winding connections offer flexibility in voltage transformation and phase shift management, minimizing the risk of circulating currents and harmonics. This results in improved load balancing, adaptability to various network configurations, and efficient power distribution.

Q: Where are the cable entry points located on the substation?

A: The substation is designed with both bottom and side cable entry options, making installation flexible and suitable for a wide range of site conditions. This allows for easy integration into existing power distribution infrastructure or new developments.

Q: What is the process for adjusting the output voltage of the substation?

A: An off-circuit tap changer allows for output voltage adjustment in 5% range, in 2.5% increments, ensuring voltage stability. The tap changer must be operated with the transformer de-energized, following proper safety protocols outlined in the users manual.

Q: When is arc fault protection most beneficial in substation operation?

A: Arc fault protection is crucial during electrical faults or abnormal operating conditions. The arc-resistant design minimizes the risk to personnel and equipment, isolating arc faults swiftly to prevent injuries and major outages.

Q: How does the ONAN cooling system benefit operational efficiency?

A: The ONAN (Oil Natural Air Natural) cooling system utilizes transformer-grade mineral oil for heat dissipation and air for passive cooling. This arrangement ensures efficient operation, low noise, and minimal need for maintenance, even under high-load conditions or temperature variations.

Q: What are the key benefits of using high-grade CRGO steel and copper windings?

A: High-grade CRGO silicon steel and high-conductivity copper windings result in minimized core and copper losses, boosting efficiency (up to 98%) and reliability. This material selection extends the transformers lifespan and enhances its performance under demanding power transmission conditions.

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