ETPL Portable IMPA-2000:

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The ETPL Portable IMPA 2000 is a portable instrument, with which one can perform spot analysis on the test motor. This instrument is best suitable for conducting on-site energy audits. The unit was built around ARM controller and precision energy measurement circuits.

The IMPA is designed to work for both LT and HT motors, the motor terminal voltages are measured directly (440 VLL rms) by clamping on the motor terminals and the motor current is measured by using Clamp – ON current transformers(CT).

In the case of HT motors, the motor terminal voltages are measured by connecting the IMPA unit to the secondary of potential transformers (PT) used in the HT panels (110 VLL rms) and the motor current is measured using Clamp – ON current transformer (CT) connected in the secondary of the HT CT'S is installed in the HT panel (5A or 1 A).

The Speed sensor, Vibration sensor and Temperature sensor are mounted on approprite locations on the motors and are connected to the IMPA unit through external cable. The stator resistance is measured through milli ohm meter and is fed into the IMPA unit for calculations.

Modes of Operation:

Spot Analysis Mode:(SAM)

In spot analysis mode, the system operations in interactive mode. The user has the provision to perform Load Vs Effciency, Torque Vs Speed characteristics. At every point of the load conditions, an average of 10 sets of reading are taken and stored on the SD Card with time stamp.

After completing the test operation the data stored in the IMPA can be downloaded into the PC and detailed analysis on the performance of the motor can be done.

Continuous Analysis Mode:(CAM)

In the continuous analysis mode, the IMPA has the provision to record all the electrical and mechanical parameters of the motor at predefined interval. The data is stord on the SD card. The system can accommodate maximum of 4GB SD Card, which provides data logging for more than a year even with 1 minute storage interval.

The test can be performed on numbers of motors and data is stored under different file names, after completing the test operation купить vps the data stored in the IMPA can be downloaded into the PC and detailed analysis on the performance of the motor can be done.

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