Advanced three-phase testing
TRT Advanced
Choose the touch-screen TRT platform for automated ratio testing, phase shift, excitation current, vector-group detection and demanding transformer configurations.
View TRT Advanced โ
DV Power transformer ratio testing ยท Canada
Compare three-phase TRT systems, a handheld field tester and a combined ratio-plus-winding-resistance analyzer for power, distribution and instrument transformer applications.

Select by transformer type, required test voltage, three-phase capability, portability and whether winding-resistance testing must be included in the same instrument.
Advanced three-phase testing
Choose the touch-screen TRT platform for automated ratio testing, phase shift, excitation current, vector-group detection and demanding transformer configurations.
View TRT Advanced โ
Standard three-phase platform
A field-ready choice for ratio, phase shift and excitation-current measurements with model-dependent single-phase or true three-phase testing.
View TRT Standard โ
Portable field verification
A battery-powered handheld path for turns ratio, excitation current and phase-angle checks on distribution and instrument transformers.
View TRT-H โ
Two tests in one platform
Choose a combined platform when the field plan requires both transformer turns ratio and winding-resistance testing with one three-phase connection workflow.
View TWR250B โSend RCCE the transformer type, nameplate ratio and vector group, highest test voltage needed, tap positions, portability requirements, and whether winding resistance, CVT, CT/VT or verification accessories are required.
Final model, test leads, accessories, pricing, availability and compatibility must be confirmed by RCC Electronics.