Transformers, Motors and Generators Service & Overhauling

Transformers, Motors and Generators
Service & Overhauling

About Us

Asia Power Electrical Pvt Ltd is a sister concern of the Voltech Group, Established as a Private limited company in 2022. The company specializes in the field of Repairing, Overhauling and Reconditioning of Power and Distribution Transformers with over 23 years of Experience, with expertise spanning over two decades, Handling ratings up to 100MVA & 220KV voltage class. Originally founded as Asia Power Electrical in 2003, The company began operations under the same name focusing on Transformer Repair. In 2014, It Transitioned to Asia Power Electrical LLP. Finally, in 2022, The Company adopted its current name, Asia Power Electrical Pvt Ltd. In 2024, We Expanded our Services to include the Repair and Servicing of Motors and Generators, with a range capacity up to 50MW.

What We Offer

Transformer Service

Diagnostics and Fault Analysis
Core and Coil repairs and Replacements
ON Load and Off Load Tap Changer (OLTC & OCTC) Repair and Maintenance
Performance Testing and Quality Assurance
Condition Monitoring and Assessment
Oil Sampling and Analysis,Routine tests.
On-site Troubleshooting and Repairs
Installation and Commissioning Support
Type Tests like Temperature Rise Test, Impulse Test, Short Circuit Withstand Test, Dielectric Tests
Special Tests like Partial Discharge Test , Sweep Frequency Response Analysis (SFRA) , DIRANA(FDS), Acoustic Emission Test , Tan Delta and Capacitance Test, Oil Analysis

Motor and Generator Service

Inspection and Diagnostics,Dynamic Balancing.
Repair and Replacement of Faulty Parts
Rewinding and Insulation replacements
Diagnostics and Troubleshooting
Bearing Inspection and Replacement
Testing and Commissioning ,Refurbishment of Bearings
On-Site Troubleshooting and Repair,Surge Comparison Test.
Stator DC High Voltage Withstand Test (DC Leakage Current / Step Voltage Test)
Natural Frequency Test on End Winding(NFT)
Stator Slot Wedge System Check / Wedge Knocking Test
Off Line Partial Discharge Test,AC Impedance Measurement.
Digital Recurrent Oscilloscope (DSRO),Motor Current Signature Analysis(MCSA).
Baroscopic Test / Endoscopy of non-accessible area of Stator and Rotor

What We Fix

Design Failures

Short Circuit Failures

Burnt Coils

Oil leakages

Damaged Bushings

Tap Changer Malfunction
(On load & Off load)

Malfunctioning of Control Schemes

Any failures on Auxiliary Protections.

High Voltage & Low Voltage Motor rewinding

High Voltage & Low Voltage Motor Bearing Replacement

Project List

SI.NO	Project Description	Locations	Customer	Date	PO
1.	Repairing and Reconditioning of 100MVA Transformer	Kayathar	TANTRANSCO	2021	Lr.No.CE/TP-I/EE/AEE/E/F.110KV Class...
2.	Repair work of 50MVA Transformer	Veeranam SS	Powerica Ltd	2020	POW/WIND/20-21/WO-O&M/026
3.	Repairing and reconditioning of 110 KV class sick power transformers (16MVA,25MVA & 50MVA)	Chennai	TANTRANSCO	2022	Lr.No.CE/TP-I/EE/AEE/E/JE/F.TP1-15/22-23/RC-LOA .46/22-23/D.1389/22 dt.11.08.2022.
4.	1.Repairing and reconditioning of 110 KV class sick power transformers (16MVA,25MVA & 50MVA)	Trichy	TANTRANSCO	2022	Lr.No.1306/CE/TPII/TRY/EE/AEE/AE/F.E-05/22-23/R.C.No.01/22-23, Dt.02.09.2022
5.	Repairing and reconditioning of 110 KV class sick power transformers (16MVA,25MVA & 50MVA)	Coimbatore	TANTRANSCO	2022	Lr.No.1325/CE/TPII/TRY/EE/AEE/AE/F.E-07/22-23/R.C.No.20/22-23,Dt.02.09.2022
6.	Repairing and reconditioning of 110 KV class sick power transformers (16MVA,25MVA & 50MVA)	Madurai	TANTRANSCO	2022	Lr.No.1316/CE/TPII/TRY/EE/AEE/AE/F.E-06/22-23/R.C.No.11/22-23,Dt.02.09.2022
7.	Repairing and reconditioning of 110 KV class sick power transformers	Chennai	TANTRANSCO	2019	Lr.No.CE/F.TP-I-01/19-20/LOA No.18/D.1195/2019 Dt.29.07.2019
8.	Repairing and reconditioning of 110 KV class sick power transformers	Salem	TANTRANSCO	2019	Lr.No.CE/F.TP-I-02/19-20/LOA No.25/D.1205/2019 Dt.29.07.2019
9.	Repairing and reconditioning of 33 KV class sick power transformers (5MVA, 8MVA,16MVA)	Vellore	TANGEDCO	2024	CE/D/VLR/EE/Elec/AEE/MM/F.W.C No. 001 /D.1954/23-24
10.	Repairing, Erection, Testing and Commissioning of 42.5MVA	Mothugudem, AP	APGENCO	2021	4900032449
11.	25MVA Transformer Servicing	GUDUR	NELCAST LIMITED	2022	2200099066
12.	21.6MVA Transformer Servicing	Chennai	Southern Railway	2010	No.J/TRD/29/I/10-11/03
13.	Overhauling of 16MVA Power Transformer	Neyveli	NLC India Ltd	2020	TPS-I Expn./EM/T.No.3595-TS1E[20-21]
14.	16MVA Power Transformer Servicing	Bahour	Government of Puducherry Electricity Dept	2024	618/ED/SE-O&M/PR/EE-R(S)/ JE/e-Tender No.01 (23-24)/2024-2025
15.	16MVA Power Transformer Servicing	Karaikal	Government of Puducherry Electricity Dept	2023	1/EDK/EE-KKL/JE/F-E-Tender/22-23
16.	10MVA Power Transformer Servicing	Mahe	Government of Puducherry Electricity Dept	2024	No.466/ED/SE-MP & ORs/EE-SPM & Bldgs./JE/e-Tender No.05(23-24)/ 2024-25
17.	10MVA Power Transformer Servicing	Yanam	Government of Puducherry Electricity Dept	2021	01/ED/EE-C&TTC/JE/F-40Y/2021-22
18.	Rewinding of 10MVA Furnace Transformer	Paloncha, Telangana	Ganesh Power Engineering Works	2021	GPEW/PVC/PO-2021023
19.	Rehabilitation of existing 400KVA CSS with Erection , Testing and Commissioning	Chennai	Southern Railway	2023	E-HQ-CN-MS-WO5-2023-24
20.	Repairing and Reconditioning of ESP Transformer	Neyveli	NLC India Limited	2023	Lr.No: GM/Contracts/Thermal/TS2/E2E4592LT/2022- 23/MSME/L-4592/2023 Date:17.06.2023
21.	Servicing of Power Transformers 11KV/433V 1.5/2MVA	Kalpakkam	IGCAR	2008	IGC/ESG/ESD/EMS/WO-665/2008
22.	25MVA Power Transformer De-Erection &Erection and lifting	Mandapeta,AP	M.S. Engineering Service	2019	MS/APE/05/2019-2020
23.	Supply of Service engineer for trial and commissioning of equipment	Nagarnar, CHHATTISGARH	TATA Projects Ltd	2023	SBU - M & M ( METALS & MINERALS)/NMDC NAGARNAR/700014/18719
24.	Repairing of 5MVA Inverter Transformer	Chembur	Sterling and Wilson Pvt Ltd	2017	SW/SKYPOWER/1107
25.	Rewinding Charges for 2.5MVA /11KV /433V Distribution Transformer	Gummidipoondi	ARS Steels and Alloy International Pvt Ltd	2016	618
26.	2.5 MVA Transformer rewinding work	Cuddalore	Terra Energy Ltd	2016	4248913615
27.	Tan delta Test , Replacement of HV &LV Bushing	Rewa, MP	Arinsun Clean Energy Private Ltd	2024	DPO/ACEPL/2425/0002
28.	Testing and Oil Filtration of Various rating of Transformer	Sri city	Daikin Air-conditioning India Pvt Ltd	2024	9900005879
29.	Dismantling of 10/16MVA Transformer & Erection of 6MVA Transformer	Visakhapatnam	A V R Sarma	2019	AVR/ASL/19-20
30.	1.6MVA Transformer Overhauling	Ennore	Coromandel International Ltd	2024	200463938
31.	3.9MVA 33KV/690 Transformer Inspection	Vallam	GE Power conversion India Pvt Ltd	2024	PRN1- 4100291133
32.	Rewinding of 3.1MVA Power Transformer	Paloncha, Telangana	Ganesh Power Engineering Works	2024	GPEW/PVC/PO-2024002
33.	25MVA Transformer Service	Cuddalore	SNJ Distillers Pvt Ltd	2024	SNJDPL/WO/144/24-25

ISO Certification

Power Transformer Repair & Commissioning

Tamil Nadu Transmission Corporation Ltd. (TANTRANSCO) – Kayathar 230KV Substation

Successfully repaired and commissioned a 100MVA, 230/110KV Power Transformer that had failed at Kayathar 230KV SS.

Ensured seamless restoration of power supply with enhanced operational reliability.

Valuable Customers

Our Team

Mr. K. Ramesh

Director - Head

Mr. G. Maragathamani

AGM - Factory Head

Mr. S. Balaji

Manager - Procurement

Mr. S. Sivasankaran

Manager (Production)

Mr. P. Sai Ram

Sr.Manager (Site Activity)

Mr. O. Sachithanantham

Technical Manager
Motor and Generator Service

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