Product details
Manufactured byMegger
Product groupModules
DescriptionMegger SMRT33 Relay Test System
Key FeaturesSmall, rugged, lightweight and powerful Operate with or without a computer Intuitive manual operation with Smart Touch View Interface High current, high power output (45 Amps/300 VA rms) per phase Network interface provides IEC 61850 test capabilities Fully automated testing using AVTS software Optional transducer test capability
Typical ApplicationsEach voltage channel can provide variable outputs of 0-30/150/ 300 volts at 150 VA of output power, and has a unique flat power curve from 30 to 150 volts insuring maximum output power to the load at all times.Using the Ethernet ports, the SMRT33 is a plug-and-play unit where voltage and current outputs seamlessly synchronize for testing more complex applications, even back-to-back or up to 18 phase current.
OverviewFor size and low weight, the SMRT33 is conceivably the smallest, lightest, highest output powered; complete three-phase relay test system in the world today. The SMRT33 provides high power in both the voltage and current channels to test virtually all types of protective relays used in heavy industrial, distributed generation, and low- to medium-voltage distribution substations. The SMRT33 has the smart combination of high compliance voltage and high current to test all electromechanical, solid-state, and microprocessor-based overcurrent relays, including high impedance directional ground overcurrent. In addition, the unit includes the capability to test IEC 61850 devices.The SMRT33 test system has the ability to be manually controlled with Megger’s new Smart Touch View Interface™ (STVI). The STVI, with its large, full color, high resolution, TFT LCD touch screen, allows the user to perform manual, steady-state, and dynamic testing quickly and easily using the manual test screen, as well as using built-in preset test routines for the most popular relays (see STVI datasheet for details.)The STVI eliminates the need for a computer when testing virtually all types of relays. Menu screens and touch screen function buttons are provided to quickly and easily select the desired test function.Tests results can be saved to the STVI for download to a memory stick to transfer or print test reports.For full automatic testing, the SMRT33 may be controlled by Megger Advanced Visual Test Software (AVTS). AVTS is a Microsoft® Windows® XP®/Vista™/7/8 compatible software program designed to manage all aspects of protective relay testing using the new Megger SMRT33, (see AVTS datasheet for details.)Each current channel is rated for 30 Amps @ 200 VA continuous, up to 45 amps @ 300 VA for short durations. It has a unique flat power curve from 4 to 30 amps that ensures maximum compliance voltage to load at all times. Three currents in parallel can provide up to 135 amps @ 900 VA for testing instantaneous overcurrent relays.With a maximum compliance voltage of 50 volts RMS per phase, with just two channels in series, the SMRT33 provides 100 Volts RMS of compliance voltage to test high impedance ground overcurrent relays.
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Megger
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Modules
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