Sumpner's Test of Two Single Phase Trainer Manufacturer,Supplier and Exporter in India
.png)
Product Code : SCL-EELE-12874
Indian Lab Suppliers supplies the Sumpner's Test of Two Single Phase Trainer (Product ID: 12874) as part of its electronics engineering lab equipment range. It sets up the back-to-back (Sumpner’s) test on two identical 1 kVA single-phase transformers, so their efficiency and regulation can be found without connecting a real load.
Quick Answer
In Sumpner’s test the two primaries are connected in parallel across the supply and the secondaries in series opposition, so the mains supplies only the losses. Core loss is read on the primary side, while a voltage injected into the secondary loop drives rated current for the copper-loss reading and a heat run. From these readings students work out efficiency and voltage regulation and check winding polarity. The panel carries two MI voltmeters (100 V and 300 V), two MI ammeters (1 A and 10 A), two wattmeters (100 W and 1000 W), a 270 V, 10 A auto transformer and a 10 A MCB.
Key Specifications
| Parameter | Detail |
|---|---|
| Transformers | 2 × single phase, 1 kVA each |
| Winding voltages | Primary 0-125 V, 0-125 V; secondary 0-125 V, 0-125 V |
| Voltmeters | 2 × MI: 100 V and 300 V |
| Ammeters | 2 × MI: 1 A and 10 A |
| Wattmeters | 2: 100 W and 1000 W |
| Auto transformer | 270 V, 10 A |
| Protection | 10 A MCB |
| Mains supply | 230 V ±10%, 50 Hz |
| Dimensions | W 600 × D 450 × H 600 mm |
Where This Is Used
Used in transformer testing practicals in electrical engineering labs, alongside the Parallel Operation of Two Single Phase Trainer (Product ID: 12875) and the Single Phase Transformer Lab (Product ID: 12866). The panel works at mains voltage: earth it and operate it under qualified supervision. Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
Why are two transformers needed?
Connected back to back, the pair carries full-load current while the supply provides only the losses.
What results does the test give?
Core loss, copper loss, efficiency, voltage regulation, temperature rise in a heat run, and polarity.
What is the transformer rating?
Two single-phase transformers of 1 kVA each.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Engineering Lab Equipment
Request a Quote
For pricing, bulk quantities or tender documentation on the Sumpner's Test of Two Single Phase Trainer, reach our team via Contact Us or submit your requirement through our Tenders page.
.jpeg)
.png)
 Trainer (1).jpg)
.jpg)