PHANTOM LOADS

Subject an energy meter to a large variety of combinations of load with respect to its voltage, current and power factor

Power Source: 0 to 300V AC, 0 to 50A with Power Factor adjustment facility from 0.1 Lag to 0.1 Lead through unity with seven steps
Digital Voltmeter: 0 to 300V AC
Digital Ammeter: 0 to 1.000
Digital Power Factor Meter: 0.1 Lag - Unity - 0.1 Lead
Mains ON MCB: This is TPN MCB of 4A Rating provided for switch ON/OFF
Adjust Voltage Variac: This is Single Phase / 2A variac provided for adjusting the output voltage from 0 to 300V
Adjust Current Variac: This is a Single Phase / 2A variac provided for adjusting the load current from 0 to the range selected by switch
Set Power Factor Switch: For adjusting the power factor with seven steps is provided. With this coarse adjustment of power factor can be done
Adjust Power Factor Fine Variac: This is a Single Phase / 2A variac provided to fine tune the power factor
Output Terminals: Two terminals for voltage & two terminals for current are provided at the front panel to connect the `Meter under Test' to the test set-up
For testing 3-phase energy meters, 3 such set-ups are housed in a single unit This set-up is used for production test of energy meters. It is normally multi-station, such as a 40 station test set-up.
Three Phase Phantom Loads Salient Features:
Voltage Source: Adjustable 0 - 300 Volt/600VA with Static phase shifting arrangement to obtain 90° lag through unity to 90° lead with respect to Current Source. Facility to switch to 70% and 120% of set voltage will be provided for creep test.
Current Source: 0 - 100A adjustable in steps with switch and fine by variac; Switching arrangement will be made to get 100%, 400%, 500%, 600% and 800% of basic setting. Also, arrangement will be provided to select 0.4%, 5%, 10%, 20%, and 100% of setting for carrying out Starting Current Test.
Digital Ammeter 3 & 1/2 digit Class 1
Digital Voltmeter 3 & 1/2 digit 0 - 300V class 1
Power factor meter to read phase angle between 90° lag - Unity - 90° lead.
Line frequency Indicator 40hz to 60hz
Outputs on insulated terminals

The Phantom Load (Test Setup) for Single Phase Energy Meter as well as Three Phase Energy Meter gives the facility to subject an energy meter to a large variety of combinations of load with respect to its voltage, current and power factor. The actual load configuration and the control panel is purely customized as per the user demands

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