Unitized Substation
$0.00
Unitized Substation from Arpan Power Projects is a factory-assembled, weatherproof outdoor unit that brings the HT section, transformer and LV section together in one compact unit with minimum site work. SCADA compatible, with oil type or dry type transformer options.
Characteristics
- Outdoor enclosure with modular construction.
- Minimum site work for energization.
- SCADA compatibility.
- Factory assembled weather proof solution.
- HT, LV transformer are packed in separate compartments, accessible using respective compartment door.
- Option Oil type / Dry type transformer.
Technical Data
| Parameter | Specification |
|---|---|
| Rated Voltage | 11 / 22 / 33 kV |
| Rated Current | 630 A |
| Insulation Level | 75 / 125 / 170 (kVp) |
| Lightning Impulse / Power Frequency | 75 / 125 / 70 (kVp), 28 / 60 / 70 kV / 1 Min |
| Short Circuit Withstand Current | 21 / 25 kA |
| Ingress Protection | IP67 / IP54 / IP23 |
| Ambient Temperature | -5°C to +45°C |
| Applicable Standard | IEC 62271-202, IEC 60439, IEC 60947, IEC 60076 |
Unitized Substation from Arpan Power Projects brings the essential components of power distribution together in a single factory-assembled, weatherproof unit. Instead of a plain specification list, this page takes you on a walk around the unit, door by door, and then follows it from the delivery truck to the day it is energized.
Walk Around the Unitized Substation: Door by Door
Stand in front of a Unitized Substation and you will see an outdoor enclosure of modular construction. Inside, the HT section, the transformer and the LV section are packed in separate compartments, and each one is reached through its own compartment door. That separation means an engineer can open only the section that needs attention.
Door 1: The HT Compartment
This is the high-voltage side, where the incoming supply is received before it reaches the transformer. Ask us which HT equipment is fitted in the version you choose, because the arrangement is matched to your network.
Door 2: The Transformer Compartment
The transformer steps the voltage down for your load. You can choose an oil type or a dry type transformer for the unit. Oil type suits many outdoor installations, while dry type is a good fit where fire safety and low upkeep matter more. Our Oil Filled Transformer and Dry Type Transformer pages explain each option in detail.
Door 3: The LV Compartment
On the low-voltage side, power leaves the unit for your distribution board or load. Because this compartment has its own door, work on the outgoing side does not require opening the other sections. Always follow your site’s safety procedures before opening any door.
From Truck to Energization: What Happens at Your Site
A Unitized Substation arrives as a factory-assembled, weatherproof solution, so most of the work is already done before it reaches you. At site, the steps are short:
- Prepare a level foundation and the cable routes
- Place the unit and secure it
- Connect the incoming and outgoing cables
- Carry out checks and commissioning
- Energize the unit
Minimum site work for energization is one of the biggest reasons buyers choose this design. You get fewer civil activities, fewer vendors on site and a shorter wait before power is available.
SCADA Compatibility: Watching the Substation from Afar
The unit is SCADA compatible, so it can be connected to a control room for remote monitoring. For utilities and large campuses with several substations, this saves site visits and helps operators respond faster. You can read more in this overview of SCADA.
Where Unitized Substations Fit
Typical sites include industrial plants and parks, commercial complexes, utility networks, infrastructure and construction projects, and renewable energy projects. They are especially useful where a separate substation building would take too long or cost too much. For another integrated option, see our Compact Sub Station.
Why Choose Arpan Power Projects as Your Unitized Substation Supplier in India
Arpan Power Projects supplies power distribution equipment backed by practical technical guidance. We help you choose the transformer type and configuration, and we support you through to commissioning. You can also explore our Control & Relay Panels, our Transformer range, or the complete CSS (Compact Substation) range.
Unitized Substation: Straight Answers
Which compartments are inside the unit, and how do I reach them?
The HT section, the transformer and the LV section are packed in separate compartments. Each one is accessible through its own compartment door.
How much site work does it need?
Very little. The unit is factory assembled, so site work for energization is kept to a minimum.
Is a Unitized Substation suitable for outdoor use?
Yes. It has an outdoor enclosure with modular construction and is a weatherproof solution.
Can I monitor it remotely?
Yes, it is SCADA compatible.
Can I choose between oil type and dry type transformers?
Yes, both options are available. Tell us your site conditions and we will help you decide.
Are you a Unitized Substation Supplier in India for projects across the country?
Yes. Arpan Power Projects supplies across India. Share your capacity, voltage and site location for a quotation.
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