Transformers

Power & Distribution Transformers

Our Products

About Transformers Division

Voltech Group transformation into Manufacturing is Started with our 1st Undisputed Manufacturing unit for Power & Distribution Transformer based in Heart of Industrial Corridor, Sriperumbudur, near to Chennai. Our Transformer Division is a well-established manufacturing facilities with in-house NABL accrediated Lab for Manufacturing of Wide Range of Power & Distribution Transformers oil cooled type from 63KVA to 25MVA,upto 132KV Class. We also manufacture Dry type transformers upto 2.5MVA, 11KV Class.

Employees 100+
Annual Production 1200MVA
Factory Space 2.3 Acres
Quantity Supplied 20,000+
Certification ISO & BIS

Oil Cooled Type

Power Transformers (upto 25MVA, 132KV class)
Distribution Transformers(upto 2.5 MVA, 33KV class)
Hermetically sealed transformer(upto 2.5MVA, 33KV class)
Earthing transformers(upto 500KVA, 33KV class)
Generator Duty transformer(upto 10MVA, 33KV class)
Lighting Transformers (upto 500KVA)
Converter duty transformer(upto 5MVA)
Converter & Inverter duty transformer (upto 18MVA, 33KV Class)
Scott T connected transformer( upto 500KVA)
Auto transformers(upto 25MVA, 132KV class)

Dry Type

Vaccum Pressure impregnated transformers (upto 2.5MVA,11KV class)

Major Orders

M/s. L&T Construction - Project Name: MLIP Cluster 19 & 20 Project
M/s. L&T Construction - Project Name: Masalia Project
M/s. GVPR ENGINEERS LIMITED - Project Name: Pavagada Project
M/s. SK Metal Industries
M/s. Group Power Consulting Engineers Private Limited - Project Name: Cyprus (Europe) Project
M/s. Megha Engineering and infrastructures ltd - Project Name: cluster 18 & 21 Project
M/s. SUEZ Projects Private Limited - Project Name: 125 MLD WTP @ Adyar
M/s. S.K.Samanta & Co. (P) Ltd - Project Name: M/s. Khadia OCP coal handling Plant
M/s. L&T Construction – Project Name: APDCL Project
M/s. JWIL Infra Limited - Project Name: Ministry of water, The United Republic of Tanzania
M/s. Megha Engineering and infrastructures ltd - Project Name: Maharashtra & karnataka Project
M/s. MORJAR RENEWABLES PRIVATE LIMITED - Project Name: POWER Project
M/s. KYRA PHOTON TECH PVT LTD
M/s. L&T Construction - Project Name : NTPC Ramagundam Project
M/s. Avaada Clean Energy Private Limited - Project Name: Pune & Nashik Project
M/s. Mahindra Solarize Private Limited - Project Name: Bhagiradha Chemicals & Industries Limited, Ongole
M/s. Jamnagar Renewables One Private Limited - Project Name : Jamnagar Project
M/s. CGE Renewables Private Limited - Project Name: Kutch Project
M/s. Avaada Clean Energy Private Limited - Project Name: Nashik Project
M/s. NexSun Energy Private Limited – Project Name: M/s. Reyo Sunwave P Ltd Project
M/s. NexSun Energy Private Limited - Project Name: M/s. Thenpandian Green Energy Private Limited
M/s. Avaada Clean Energy Private Limited – Project Name: MSKVY Eleventh Solar SPV Limited Project
M/s. NexSun Energy Private Limited - Project Name: M/s. Thenpandian Green Energy Private Limited

ISO Certification

Our Offerings

VENDOR APPROVALS CREDENTIALS TYPE TEST

Sl.No.	Company	Rating	Validity
1	Tamil Nadu Transmission Corporation Limited(TANTRANSCO)	Power Transformers 10MVA, 33/11KV, Energy Efficient distribution Transformers up to 500KVA	19.07.2024
2	National Minerals Development Corporation	Distribution Transformer upto 2500KVA	-
3	Defense Research and Development organization	Transformers	24.07.2021
4	Rajasthan Water Supply & Sewerage Management Board (PHED)	Power transformers (Up-to 20 MVA)	-
5	Transmission Corporation of AP Limited	33KV class Distribution Transformers	18.03.2023
6	Jawaharlal Nehru port Trust	Transformers	-
7	Bangalore Electricity Supply Company Limited( BESCOM)	Distribution Transformers	14.08.2021
8	Jharkhand Bijili Vitaran Nigam Limited	5MVA, 33/11KV power Transformers	-
9	Narmada valley Development Authority	Oil & dry type transformer	-
10	Odisha Power Transmission Corporation Limited	Distribution Transformer	-
11	Damodar valley development Corporation	Oil type transformers	-
12	Orissa power Transmission corporation Limited (OPTCL)	-	-
13	Karnataka Power Transmission Corporation Limited (KPTCL)	-	-
14	MP Madhya Khshetra Vidyut Vitaran Company Limited	-	-
15	Assam Power Distribution Company Limited (APDCL)	-	-
16	Tripura state Electricity Corporation Limited (TSECL)	-	-
17	Bangalore Electricity Supply Company Limited	Distribution transformers upto – 500KVA, 11KV/433 Voltage class EEL2.	-
18	Guwahati Metro Politan Drinking Water & Sewerage Board (Guwahati Jal Board)	-	-
19	Maharashtra State Electricity Distribution Company Ltd	315KVA, 100KVA, 200KVA, 16KVA, 25KVA - Distribution Transformers 5MVA, 10MVA - Power Transformers	-
20	Ministry of Defense- Defense Research & Development Organziation	-	-
21	MECON Limited	Power & Distribution Transformers	-
22	Hindustan Shipyard Limited	-	-

Sl.No.	Customer Name	Transformer Rating
1	Purvanchal Vidyuth Vitaran Nigam Ltd (PVVNL)	5MVA Power Transformer 10 MVA Power Transformer
2	Tamilnadu Transmission Company (TANTRANSCO)	8 MVA, 33/11KV Power Transformer
3	Tamilnadu Generation & Distribution Company ( TANGEDCO)	500KVA, 11/0.433 KV Distribution Transformer & 500KVA, 22/0.433 KV Distribution Transformer
4	Hopes Engineering	1000KVA, 11/0.433KV Distribution Transformer
5	Triveni In-Organics Pvt Ltd	500KV LT Transformer
6	Rajputana Cables & Conductors (P) Ltd	5MVA, 33/11KV Power Transformer for CSPTCL Project
7	Alectrona Energy Private Ltd	630KVA Transformer
8	Crompton Greaves	250KVA, 11/0.433KV Transformer for PGCIL Project
9	Dr. M.G.R Educational & Research Institute	1250KVA, 11/0.433KV Transformer with OLTC
10	Larson & Toubro Limited	200KVA, 630KVA, 1000KVA, 33KV, 3150KVA, 33KV, 4000KVA, 33KV 250KVA, 11KV Distribution & power Transformers
11	Gestamp Sungwoo Hitech private Limited	6300KVA, 33/11KV power Transformer
12	MOA Engineering private Limited	6300KVA, 33/11KV power Transformer
13	Daily fresh fruits India Private Limited	1000KVA, 22-11/0.433KV Distribution Transformer
14	All India Radio	500KVA, 11KV/433V LT Transformer
15	Vestas RRB india Limited	Power & Distribution Transformers
16	Sundram Fasterers Limited(TVS)	2500KVA, 11KV/433V Distribution transformer
17	Ministry of Defence, Defence Research and Development Organisation	Power & Distribution Transformers
18	Hindustan Shipyard Ltd, Visakhapatnam	Power & Distribution Transformers

Sl.No.	Transformer	Test Details	Lab
1	20MVA 66KV 11KV Power Transformer	1.Routine Test 2.Lightning Impulse Test 3.Temperature Rise test	NABL accredited lab, Chennai, India.
2	16MVA 33KV 11KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test 5. Zero Sequence Impedance 6. Sound Level test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
3	10MVA 33KV 11KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise test 4. Zero Sequence Impedance 5. Sound Level test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
4	8MVA 33KV 11KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
5	6.3MVA 33KV 11KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
6	5MVA 33KV 11KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test 5. Determination of Sound Level	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
7	3.15MVA 33KV 6.9KV Power Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA
8	2.5MVA 33KV 415V Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
9	2MVA 11KV 433V Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
10	1600KVA 33KV 6.9KV Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
11	1000KVA 33KV 6.9KV Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
12	630KVA 33KV 6.9KV Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
13	500KVA 11KV 433V Transformer	1.Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
14	400KVA 33KV 433V Transformer	1.Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
15	315KVA 11KV 433V Transformer	1.Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA
16	250KVA 33KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
17	200KVA 22KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
18	200KVA,15KV/400V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
19	160KVA 11KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
20	100KVA 33KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
21	100KVA 22KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
22	63KVA 11KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
23	25KVA 11KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
24	16KVA 11KV 433V Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
25	10MVA 110KV/22-11KV Voltage class Power Transformer	1.Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA
26	160KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
27	500KVA, 11KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
28	500KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
29	400KVA, 11KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
30	100KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
31	100KVA, 6.6KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
32	630KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
33	400KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.
34	1000KVA, 33KV/433V EEL 2 Distribution Transformer	1. Routine Test 2. Lightning Impulse 3. Temperature Rise Test 4. Short Circuit Test	CENTRAL POWER RESEARCH INSTITUTE, INDIA.

Our Team

Mr. G. Raguramanathan

Marketing Head

Mr. D. Venu

Unit Head

Mr. S. Sasikumar

Factory Head

Mr. M. Mohanraj

Design Head

Mr. R. Balamurugan

Planning Head

Mrs. D. Rajalakshmi

Procurement Dept.

Connect With Us

We provide high-quality power and distribution transformers designed to meet your energy needs. Whether you're looking for reliable solutions for industrial, commercial, or utility applications.