Megger MRCT relay and current transformer test set

Description

Advanced Technology for CT and Relay Testing

The Megger MRCT relay and current transformer test set represents a new benchmark in the field of relay and instrument transformer testing. Designed as a lightweight, robust, and portable unit, the MRCT is renowned for its ability to perform a comprehensive suite of tests on current transformers (CTs), including demagnetization, ratio testing, saturation, winding resistance, polarity, phase deviation, and insulation assessments. What sets the MRCT apart from conventional equipment is its configurability, allowing not only advanced CT testing but also the inclusion of voltage transformer (VT) and single-phase relay test functionalities. This highly adaptable device is engineered for professional use, offering field technicians and electrical engineers a powerful and versatile tool suitable for varied environments and sophisticated electrical networks.

Dedicated Applications in Electrical Infrastructure

One of the standout features of the MRCT is its exclusive application portfolio. Primarily, it is deployed for in-depth testing and diagnostics of CTs, whether they are mounted inside large power transformers, circuit breakers, or within switchgear assemblies. The MRCT excels at factory acceptance, commissioning, periodic maintenance, and troubleshooting CTs in substations and power plants. With its ability to conduct knee point, saturation, and burden testing, it confirms transformer health and compliance with international standards including IEEE C57.13.1, IEC 60044-1, and IEC 61869. Its optional relay and voltage transformer testing capabilities expand its use to calibration and validation of protective relay schemes and instrument voltage transformers—even on sophisticated digital substation equipment. The unit is also ideally suited for mass testing during commissioning, thanks to automated tests and data storage.

Simplifying Testing with Automated Procedures

The innovation of the MRCT lies in its automated functionality. At the heart of its operation is a microprocessor-controlled variable voltage and current output, paired with high-precision instrumentation. This intelligent system revolutionizes testing by automating the processes of calculating ratio errors, saturation curves, and knee points, providing remarkably efficient workflows with minimized user intervention. With the push of a button, the MRCT can directly connect to multi-ratio CTs and execute all required tests—without the need for changing test leads between taps. Time-saving features like simultaneous multi-tap measurements and easy connectivity across all winding ratios drastically reduce testing time and increase productivity for busy field teams.

Modern User Interfaces: Touchscreen and PC Control

For convenient operation, the MRCT offers control through Megger’s Smart Touch View Interface (STVI)—a vibrant, high-resolution LCD touchscreen controller. This interface allows users to seamlessly perform both manual and automatic tests, displaying real-time readings, test progress, and saturation curves on the large screen. Where portability and on-site flexibility are required, the STVI is unparalleled. For more comprehensive data management and report generation, users can also operate the MRCT via a laptop using Megger’s PowerDB software. This dual-control approach ensures adaptability to both rugged field operations and detailed lab analysis, giving engineers and technicians the most ergonomic and productive testing environment available.

Comprehensive and Versatile Testing Capabilities

The MRCT supports an extensive array of standard and specialized tests, catering to evolving industry requirements. Its demagnetization routine ensures accurate CT readings, while insulation resistance testing at 500V and 1,000V ensures secondary windings protect against faults. The MRCT’s innovative saturation testing supports both AC and optional DC excitation, measuring CT knee points up to 40kV—a critical requirement for generation-class CTs. The unit can also perform precise ratio and polarity tests using a secondary voltage injection method, winding resistance measurements, CT burden assessments, and comprehensive grouped test plans for efficiency. All measured test values and results are stored within the device for easy retrieval, compliance tracking, and reporting.

Robust Build, Connectivity, and Upgradeability

Engineered for fieldwork, the MRCT comes in a rugged enclosure suitable for use in exposed substation environments, withstanding temperature extremes from -10°C to 50°C during operation. The system supports connectivity over Ethernet, allowing both standalone use and network integration. Its modular design means it can be factory-configured to support CT, VT, and relay testing, as well as upgraded to newer testing standards as they emerge. Standard accessories, including various test leads, ground leads, and an accessory carry case, provide all needed tools for immediate deployment. This future-proof design ensures that owners can extend the device’s capabilities as their asset management needs evolve.

Assured Global Access via TPT24 Online Store

For customers seeking guaranteed authenticity and global reliability, the MRCT relay and current transformer test set is available through the TPT24 online store—the undisputed leader in online test equipment sales worldwide. Purchasing from TPT24 ensures you receive a genuine Megger product, complete with guaranteed quality and original manufacturer support, delivered to your address in any country. TPT24’s reputation for excellence, broad inventory, and trusted after-sales service make it the premier destination for electrical professionals and utilities who demand only the best for their test equipment investments.