Menu

MRCT

MRCT - Relay and Current Transformer Tester

  • Industry leading test duration using patented simultaneous multi-tap measurements reduces testing time by 20% on multi-tap CT’s
  • Increased measurement accuracy to support metering class CT testing
  • Smallest and lightest 2kV secondary voltage injection unit on the market
  • Integrated single phase relay test system
  • General purpose substation secondary circuit testing with 300V & 60A generators
  • Grouped testing: demagnetization, knee points, ratios, saturation curves, and more
  • Measure all ratio’s and saturation curves on multi-tap CT’s with one lead connection
  • Built-in insulation resistance testing

The Megger MRCT is a light weight, robust, portable unit used to perform demagnetization, ratio, saturation, winding resistance, polarity, phase deviation, and insulation tests on current transformers. The MRCT automatically calculates ratio errors, saturation curves, and knee points. The MRCT provides a microprocessor-controlled variable voltage and current output and precision instrumentation for automatically testing single and multi ratio CTs, reducing testing time and increasing productivity. The MRCT will directly connect to multi ratio CT’s and perform all tests – saturation, ratio and polarity, winding resistance and insulation – on all taps with the push of a button and without changing leads.

The MRCT can be controlled via Megger’s Smart Touch View Interface (STVI) controller, a full color, high resolution, LCD touch screen which allows the user to perform manual and automatic testing quickly and easily using the manual test screen, as well as using pre-constructed test routines. The large display permits the user to easily read all pertinent data while the test is being performed and provides the ability to view the current transformer’s saturation curve. The unit can also be configured to come without a Megger STVI and can be controlled via a laptop with Megger’s PowerDB software.

Current transformers can be tested in their equipment configuration, such as being mounted in transformers, oil circuit breakers or switchgear. It is necessary for the equipment to be completely isolated from the electrical system prior to testing.

Product Documents
Data sheet
Data sheet - MRCT
Data sheet
Brochure - MRCT
User guide
User manual - MRCT
MRCT

To Install PowerDB Lite on your PC

1) Download the file “install_powerdb_10.5.4_30JUL15.zip” onto your PC
2) Navigate to where you saved this file on your PC and extract the .exe file
3) Double click on the file "install_powerdb_10.5.4_30JUL15.exe"
4) This will start the installation of PowerDB Lite on your PC
5) Follow instructions displayed on PC

To Install PowerDB 10.5.4 on an STVI

1) Download the file “Onboard_install_10.5.4_30JUL15.zip” onto your PC
2) Unzip the folder and it will contain 1 folder named “Megger Update ” and 3 files “smrtchain.bat” and 2 named firmwareupdate
3) Transfer the folder and all 3 files onto the root of a USB drive
4) Turn on the MRCT unit with the STVI connected
5) Insert the USB device into the STVI
6) Click the System button PowerDB system settings icon to go to System Configuration screen
7) Click Update Firmware button
8) On popup screen, click STVI Firmware
9) Click Yes to answer “Would you like to run the update now” to start the updating process
10) When the update is completed, the STVI will reboot

Note: If a white screen appears and stays after the STVI reboots, turn the STVI off and on again to let it reboot.

To Install PowerDB 10.5.4 on an MRCT with Integrated Display

1) Download the file “Onboard_install_10.5.4_30JUL15.zip” onto your PC
2) Unzip the folder and it will contain 1 folder named “Megger Update ” and 3 files “smrtchain.bat” and 2 named firmwareupdate
3) Transfer the folder and all 3 files onto the root of a USB drive
4) Turn on the MRCT
5) Insert the USB device into the MRCT
6) Select the System button PowerDB system settings icon to go to System Configuration screen

7) Select Update Firmware button
8) On popup screen, click STVI Firmware
9) Click Yes to answer “Would you like to run the update now” to start the updating process
10) When the update is completed, the STVI will reboot

Note: If a white screen appears and stays after the STVI reboots, turn the STVI off and on again to let it reboot.


FIRMWARE UPDATE

To Install MRCT FW 2.27 on an MRCT without Integrated Display

A) Using a PC

1. Extract the file "MRCT_Firmware_2_270" from the downloaded zip file to your PC
2. Turn on the MRCT
3. Start PowerDB and connect the PC to the MRCT
4. Select the System button PowerDB system settings icon to go to System Configuration screen

5. Select Update Firmware button
6. Browse to the location of the file MRCT_Firmware_2_270 on your PC
7. Select this file then select OPEN
8. The FW Update process will begin
9. When the update is complete, the MRCT will tell you to reboot when you hear clicking
10. After powering up, select the System button PowerDB system settings icon to go to System Configuration screen

11. Select View Versions button
12. Verify FW version is 2.27

B) Using an STVI

1. Unzip "MRCT_Firmware_2_270.zip” onto the root of a USB drive. The USB drive should now contain Megger/Updates/MRCT_Firmware_2_270
2. Connect the STVI to the MRCT and turn on the MRCT
3. Insert the USB device into the STVI
4. Select the System button PowerDB system settings icon to go to System Configuration screen

5. Select Update Firmware button
6. On popup screen, select MRCT Firmware
7. This will start the updating process
8. When the update is complete, the MRCT will tell you to reboot when you hear clicking
9. After powering up, select the System button PowerDB system settings icon to go to System Configuration screen

10. Select View Versions button
11. Verify FW version is 2.27

To Install MRCT FW 2.27 on MRCT with Integrated Display

1. Unzip "MRCT_Firmware_2_270.zip” onto the root of a USB drive. The USB drive should now contain Megger/Updates/MRCT_Firmware_2_270
2. Turn on the MRCT
3. Insert the USB drive into the MRCT
4. Select the System button PowerDB system settings icon to go to System Configuration screen

5. Select Update Firmware button
6. On popup screen, select MRCT Firmware
7. This will start the updating process
8. When the update is complete, the MRCT will tell you to reboot when you hear clicking
9. After powering up, select the System button PowerDB system settings icon to go to System Configuration screen

10. Select View Versions button
11. Verify FW version is 2.27

Onboard_Install_11.1.2_DRIVER_UPDATE_12SEP17SMRT
Onboard_Install_11-2_21DEC18SMRT.zip
456.2 MB | 21/01/19
MRCT Firmware 2.273
MRCT_Firmware_2-273.zip
431.4 KB | 01/11/18
install_powerdb_11.1.4_DRIVER_UPDATE_FEB18
install_powerdb_11-2_21DEC18.zip
725.8 MB | 14/02/19