Name: Secured Engineers Private Limited — Noida (Delhi NCR)
Address: Supertech, Astralis Supernova, Sector 94, Noida, Uttar Pradesh, 201301, IN
Telephone: +91 70099 85817

Plan this system

Should a DG and transformer have the same kVA rating?

Not automatically. The transformer serves the agreed supply demand; the DG serves the loads selected for backup, including their starting behaviour and load sequence. Each selection needs its own duty and operating conditions.

Acceptance evidence to agree: Agree a load test and prove the changeover and interlocks under the intended operating sequence.

Prepare your enquiry and compare the installation scope →

Use this checklist to define the brief. Final selections and acceptance criteria depend on the site, applicable requirements and approved project design.

In one paragraph

Transformers & DG Sets by Secured Engineers Pvt. Ltd.

Secured Engineers Pvt. Ltd. — an MEPF & solar EPC contractor and consultant with offices in Ludhiana, Punjab and Noida (Delhi NCR) — provides Transformers & DG Sets as part of its Electrical scope: Power and distribution transformers plus diesel-generator sets with AMF panels and synchronisation for seamless backup power. 535+ projects across 18+ Indian states.

Enquiries: +91 70099 85817 · sales@securedengineers.com · request a project proposal

Why it matters

What this system decides for your project

Uptime depends on backup that switches in cleanly. Properly sized transformers and synchronised DG sets protect operations from grid failure without over-spending on capacity.

You need a quote for this if: Any facility needing standby power, a captive transformer or DG synchronisation.

Scope

Scope of work

Transformer capacity is sized from the sanctioned load and the maximum demand with the growth the client expects, and DG capacity from the loads that must ride through an outage — with the starting characteristics of motors and the harmonic content of drives taken into account, not just the connected kW. We design the AMF or synchronising scheme, the changeover, the fuel system and the exhaust, and the foundations, acoustic enclosure and ventilation the sets need. Supply and installation cover the transformers, DG sets, panels, cabling, earthing, fuel and exhaust systems.

How it is delivered — and what you receive

DG sets are installed to the CPCB noise and emission norms with the acoustic enclosure and stack height the pollution-board consent requires, and their electrical connection is part of the CEIG submission where the state's threshold applies. Transformers are tested for insulation resistance, ratio and oil breakdown voltage before energisation; DG sets are load-tested and the AMF or synchronisation sequence proven under a simulated grid failure. The client receives the test reports, the consent documentation and the changeover logic.

Sources and standards

IS 732 (2019) — IS 732 — Code of Practice for Electrical Wiring Installations. Bureau of Indian Standards. Publisher. Low-voltage wiring installations — cable selection, protection, installation methods.
IS 3043 (2018) — IS 3043 — Code of Practice for Earthing. Bureau of Indian Standards. Publisher. Earthing system design, electrodes, resistance values and testing.
IEC 61439 — IEC 61439 — Low-voltage switchgear and controlgear assemblies. International Electrotechnical Commission. Publisher. Design verification and type-testing of LT panels — PCC, MCC, distribution boards.
CEA (Measures relating to Safety and Electric Supply) Regulations (2023 (superseding the 2010 regulations)) — Central Electricity Authority (Measures relating to Safety and Electric Supply) Regulations. Central Electricity Authority. Publisher. Safety requirements for electrical installations, inspection of HT installations before energisation, periodic inspection, earthing and protection.
NBC 2016 Part 8 (2016) — National Building Code of India 2016, Part 8 — Building Services. Bureau of Indian Standards. Publisher. Lighting, ventilation, air-conditioning, electrical installations, lifts and escalators — the building-services framework.

Standards are cited to support the technical statements on this page. Where a standard has been revised, the edition shown is the one verified at the time of review; the edition in force for a project is the one the authority applies.

Before you ask us to quote: the Electrical buyer's guide lists what to have ready, what drives cost and timeline, and the approvals that usually apply. Writing the tender? The electrical specification library has 5 code-referenced clauses architects and consultants can drop into tender documents.

Before requesting a proposal

Separate normal supply from the loads that need backup

Transformer capacity follows the normal demand and supply arrangement. DG selection follows the essential loads, their starting sequence and the required backup duty. Sending the same connected-load total for both can produce the wrong equipment selection.

What to send with your enquiry

Location, supply voltage, sanctioned load, recent maximum-demand records and the existing single-line diagram.
Essential-load list, largest motors, drives or UPS loads, and the sequence in which loads must restart.
Existing transformer and DG nameplates, changeover scheme, solar connection and any synchronisation requirement.
Equipment location, ventilation and exhaust route, fuel-storage arrangement, access and allowed shutdown period.

Compare the same scope

Compare the complete installation: equipment, foundations, lifting, ventilation, exhaust, fuel system, panels, cables, earthing and interfaces. Define the load test and grid-failure sequence, and name who owns each applicable approval. Supply-only and commissioned-system offers are different scopes.

Discuss this system's scope with our team →

Before you award

Hiring a transformers & dg sets contractor — what to check

A DG set is sold as equipment and delivered as an installation, and the gap between the two is where factory projects lose weeks. The set is the simple part. The approvals, the emissions compliance, the acoustic enclosure, the fuel storage and the changeover logic are the contract.

Who owns the statutory file. Emission compliance for the engine class, the electrical inspector's clearance where your state's threshold applies, and a PESO licence where the diesel stored crosses the licensing quantity. Confirm which of these the contractor is filing and which they expect you to.
The exhaust stack is not a convenience decision. Stack height follows the norm applicable to your set. It is set at design, and moving it after the foundation is poured is expensive.
Changeover and interlocks. AMF panel, changeover scheme and the interlocks with the grid supply and any solar plant. A DG that back-feeds or fights an inverter is an integration failure written into the design, not bad luck on site.
Commissioning under real load. Load-bank or actual-load testing with readings, not a no-load run. Ask what the commissioning record will contain before you award.

Approved makes

Makes we specify for Transformers & DG Sets

Tier-1 manufacturers whose equipment we design around and install. The specification names the make; the site is held to it.

Kirloskar Cummins Mahindra Powerol ABB Crompton Voltamp

Related to Transformers & DG Sets

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Transformer and DG set installation — backup power with AMF and synchronisation

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