kVA, voltage and duty
How to select a Transformer rating
Match connected load, future expansion, ambient condition, duty cycle, tapping requirement and installation environment before finalizing a Transformer.
Knowledge Center
Practical guidance for electrical distribution buyers.
Use these resources to prepare specifications, compare equipment types and request the right PVJ Power technical documents.
PVJ Power
Since 2010
PVJ Power Equipment
Knowledge Center
Transformer, Compact Substation and Panel solutions manufactured for reliable electrical distribution.
Technical Guides
Clear buying guidance before RFQ and approval.
Application comparison
Oil Type versus Dry Type Transformers
Oil Type Transformers suit outdoor and high-capacity distribution, while Dry Type Transformers are preferred for indoor, fire-sensitive and low-maintenance locations.
Transformer, MV and LV integration
Compact Substation planning
A CSS combines Transformer, MV Switchgear and LT distribution inside a factory-built enclosure, reducing site coordination and installation time.
Transformer standards
Understanding IS 1180 and IEC 60076
These standards guide Distribution Transformer design, performance, Testing and compliance expectations for project approvals.
Switching and distribution
HT and LT Panel selection
Select Panels based on voltage, current rating, fault level, IP rating, switchgear make, metering, protection and project wiring requirements.
Quality documentation
Pre-dispatch inspection checklist
Review approved drawings, routine test reports, nameplate details, accessories, painting, packing and dispatch readiness before equipment leaves the factory.
Technical Downloads
Download PVJ Manuals, checklists and Type Test Reports.
PVJ Technical Manual
Transformer Operating & Maintenance Manual
Installation, commissioning, operation, inspection and maintenance guidance for PVJ Power Transformers.
Download PDF
Maintenance Format
Transformer Preventive Maintenance Checklist
A practical inspection and maintenance record format for site and service teams.
Download PDF
Site Guidance
Transformer Storage Guidelines
Storage precautions for Transformers awaiting installation or commissioning.
Download PDF
Transformer Type Test
10 MVA CPRI Impulse Type Test Report
CPRI impulse Type Test reference for a 10 MVA Power Transformer.
Download PDF
Compact Substation Type Test
Compact Substation IP54 Type Test Report
IP54 enclosure Type Test reference for PVJ Power Compact Substations.
Download PDF
HT Panel Type Test
HT VCB Panel CPRI Type Test Report
CPRI Type Test reference for PVJ Power HT VCB Panels.
Download PDF
LT Panel Type Test
LT Panel Temperature Rise CPRI Report
CPRI temperature-rise Test reference for PVJ Power LT Panels.
Download PDF
Official Standards
BIS and IEC publication references.
Full BIS and IEC Standards are copyrighted publications. These links open the official publisher pages where the current editions can be viewed or obtained legally.
BIS Official Standard
IS 1180 (Part 1): 2014
Outdoor mineral-oil-immersed Distribution Transformers up to and including 2,500 kVA and 33 kV.
View Official Standard
IEC Official Standard
IEC 60076-1:2011
General requirements for Power Transformers, including ratings, Testing and service conditions.
View Official Standard
IEC Official Standard
IEC 60076-11:2018
Requirements applying to Dry Type Power Transformers.
View Official Standard
IEC Official Standard
IEC 62271-202:2022
Requirements and Test methods for AC prefabricated Compact Substations.
View Official Standard
IEC Official Standard
IEC 61439-1:2020
General rules for low-voltage Switchgear and controlgear assemblies.
View Official Standard
IEC Official Standard
IEC 62271-1:2017
Common specifications for high-voltage Switchgear and controlgear.
View Official Standard
Topics
PVJ product and standards explainers.
PVJ Power Equipment
PVJ Power Knowledge Resources
Transformer, Compact Substation and Panel solutions manufactured for reliable electrical distribution.
Guide topic
Transformer Selection Guide
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.
Guide topic
Oil vs Dry Type Transformers
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.
Guide topic
Compact Substation Guide
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.
Guide topic
IS 1180 Explained
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.
Guide topic
IEC 60076 Basics
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.
Guide topic
HT & LT Panel Selection
A buyer-focused resource for Transformer, Compact Substation and Panel specification decisions.