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A residual voltage transformer (RVT) measures the residual voltage of a three-phase system and is used for earth-fault protection. Laxmi Engineering, Bhopal, manufactures high quality RVTs up to 33 kV class, customised to customer requirements and made as per IS 16227 and IEC 61869, with designs type-tested at NABL accredited labs.
For a suitable design, share your system voltage and requirement with our sales team.
Key specifications
| Parameter | Value |
|---|---|
| Voltage class | Up to 33 kV |
| Design | Customised as per customer requirements |
| Standards | IS 16227 and IEC 61869 |
| Testing | Designs type-tested at NABL accredited labs; in-house 400 kV impulse testing laboratory; all routine tests done in-house |
Types and ratings
Residual voltage transformers are manufactured up to 33 kV class, with ratings customised to the customer's requirements.
Applications
• Earth-fault protection: the RVT measures the residual voltage of a three-phase system.
Laxmi Engineering supplies instrument transformers to state power utilities and switchgear manufacturers. Share your application with our sales team and we will suggest a suitable RVT design.
Frequently asked questions
What is a residual voltage transformer used for?
A residual voltage transformer (RVT) measures the residual voltage of a three-phase system and is used for earth-fault protection.
Does Laxmi Engineering manufacture residual voltage transformers?
Yes. Laxmi Engineering manufactures residual voltage transformers (RVT) up to 33 kV class at its factory in Govindpura Industrial Area, Bhopal, Madhya Pradesh.
Up to which voltage are RVTs available?
Laxmi Engineering residual voltage transformers are available up to 33 kV class.
Can the RVT be customised?
Yes. Laxmi Engineering manufactures customised instrument transformers as per requirements up to 33 kV rated voltage, including residual voltage transformers.
Which standards and tests apply?
Residual voltage transformers are made as per IS 16227 and IEC 61869. Designs are type-tested at NABL accredited labs, all routine tests are done in-house, and Laxmi Engineering has an in-house 400 kV impulse testing laboratory.
Request a quote
Send us your requirement — system voltage and application — and our sales team will get back to you.
Phone: +91-755-2586141 · Mobile: +91-6261549929 · Email: sales@laxmile.com