4600 Series AC Load Calibration
Contents
1. 04406 Hz Com ORMS Current 1272084mA T Reactive Power i Edit waveforms or macros Stop Update votage 12176514V Coni Peak Voltage 173 92966 T Cond Seen Con Peak Current 46 94283 MA T con Crest Factor 468758 T co Aparent Power 15679 va Coni True Power 685 45877 ma Con i Se B22992 com Power Factor 0 53997 Coml Resistance 9 42869 k hms T Com Update Update Cont Stop Update The following screen represents a 3 Phase load system AC Load represent all the loads connected to phase A each phase includes one master load and up to five auxiliary loads Repeat the process for AC Load 2 and AC Load 3 Connect a Power Analyzer with high accuracy option between the load and the source Click on the Calibration button to obtain the calibration panel Then click on Calibrate All and follow the on screen instructions Calibration Automatic Calibration Manual Calibration Cal AC Current Gain Cal AC Voltage Gain Cancel So 4 T Press OK to begin calibration process Miscellaneous Write Cal Factors Reset Cal Factors Volt Cal 2 07597e 007 Amp Cal 4 70661 008 Calibration Date 1242370 Exit Disconnect the connector from Load Power Input connector on the back of the load2. Enter the actual current measured by the Power meter in the field below kii A Enter the Measured Current Current I cancel Calibrating AC Voltage Gain L4600pnl Windows Application i Calibrating AC voltage Gain This calibration will use a measured voltage value to calculate its voltage gain Prepare For calibration as Follows 1 Connect an AC source to the load s input terminals 2 Connect a voltage meter 3 Turn on the AC source 324Y is ideal F Cancel Use a high accuracy multi meter measure the AC source voltage at the sense point and enter the value in the field below Enter the actual measured voltage Measured Voltage I cancel Click Yes to write the Calibration Factors on to the Flash L4600pnl Windows Application 9 Write Calibration Do you want to save the calibration Factors in FLASH RAM now Calibration is now complete Appendix Refer to the user s manual 09 0237 for more information Navigate to C Program Files NH Research emPower directory and create a new shortcut from 14600pnl application 2 Select and right click the shortcut you just created then select Properties On the Properties change the Target to C Program Files NH Research emPower 4600pnl exe e simply add _e _ indicates space to the end of the line Contact NH Research for more information or to discuss your testing needs rarang NH Research
3. How to Calibrate NH Research Inc Start the AC Load Maintenance Panel if there is more than one load in the system use the Select Load menu to choose the desired load to calibrate Commands _ Reset Reset with Selttest Clear Errors Clear Interface i Trigger Port Wait for Trigger Operation Mode fe Off Constant Current Constant Power Constant Resist Constant Voltage S Current Wf Resist Wf Complex Resist Settings Unity PF I PF Priority I Short Circuit Waveform Miscellaneous Measurement Log q Mode Registera EAE DNET IEE Sten Leen uea Get Meas Mode Get Transient Mode Get Current 0 00000 A GetPower ooooow Get Resistence Get Voltage O Get Crest Factor Get Power Factor Get Tum On Voltage S0 00000 V Get Turn Oft Voltage 4000000 Get Trigger Phase 360 00000 deg Set Min Freq Limit 40 00000 Hz Get Max Freq Limit 450 00000 Hz Get Max Current 30 00000 4 Get Max Power 3 00000 kr a le e e j S ur E i G e le le le le le Status Registers Oo Staus HY Faut Device Err Selftest Err Operational Err Update Update Cont Measurements Freg 60
4. Inc 16601 Hale Avenue Irvine California 92606 Tel 949 474 3900 E mail sales nhresearch com www nhresearch com Copyright 2014 NH Research Incorporated Pub 05 29 14 JC All rights reserved Specifications subject to change without notice
5. s chassis Place a short across the Voltage Sense pins pin 2 to pin 8 i Calibrating current and voltage offsets Prepare for calibration as Follows 1 Remove any source From the 4C Load 2 Short the voltage Sense leads together Click OK then remove the short across the sense pins Calibrating AC Current Gain 14600pni Windows Application i Calibrating AC Current Gain This calibration will use a measured current value to calculate its current gain Prepare For calibration as Follows 1 Connect an AC source to the load s input terminals 2 Connect a current meter 3 Turn on the AC source Cancel The following screen will display if more than one load is connected in this case turn OFF the Load Power switch on all loads except the one under calibration a L4600pnl Windows Application i AC Current Gain Calibration must be done on one load at a time Turn off the LOAD POWER circuit breakers on all the loads Remove the Hold Off cables from all the loads Prepare for calibration for the Master load i Turn on the LOAD POWER circuit breaker for the Master load Connect the AC source to the load s input terminals use the power analyzer to monitor the actual current drawn by the load turn ON the AC source and set the voltage and current to 90 of maximum rating Enter the set current value in the field below Enter the Calibration current Set Point 2 A iz ideal Current
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