Agilent Technologies 6834B, 6814B, 6843A Procedure for Three-Phase AC Sources, Phase 3 to 235 Vrms

Page 42

4 - Front Panel Operation

Procedure for Three-Phase AC Sources

If you have a three-phase ac source, you can set the rms voltage of all three phases identically, or set each one differently. This is controlled via the Phase Select Menu on the Function keypad.

The following example shows how you can set the phase 1 output to 120 Vrms, phase 2 to 180 Vrms,

and phase 3 to 235 Vrms.

 

Action

Display

1.

On the Function keypad, press Voltage. Note that in the power-on default state, the

VOLT

0

 

φ1, φ2, and φ3 annunciators are all lit, indicating that any command sent to the

 

 

 

instrument will be sent to all three phases.

 

 

2.

Scroll through the phase selections by pressing Phase Select

VOLT

0

 

Pressing Phase Select moves you through phases 1, 2, and 3, as indicated by the

 

 

 

phase annunciators. Pressing it once more returns you to the first state with all three

 

 

 

phase annunciators on.

 

 

3.

While in the Voltage menu press Phase Select to access Phase 1. On the Entry pad

VOLT

120

 

press 1 2 0 Enter.

 

 

4.

Access the Voltage menu again and press Phase Select once to access Phase 2. On

VOLT

180

 

the Entry pad press 1 8 0 Enter.

 

 

5.Access the Voltage menu again and press Phase Select once to access Phase 3. On the Entry pad press 2 3 5 Enter.

6.Press Output On/Off to enable the output. The Dis annunciator will go off, indicating that the voltages are now applied to the output terminals.

To verify the output, you can measure it as follows:

7.Note that the φ3 annunciator is on, indicating that you are monitoring the last phase you selected, which was Phase 3.

8.Press Phase Select once. The φ1 annunciator will light, indicating that you are now monitoring Phase 1.

9.Press Phase Select once. The φ2 annunciator will light, indicating that you are now monitoring Phase 2.

10.Press Phase Select once. The φ3 annunciator will light, indicating that you are now monitoring Phase 3 again.

VOLT 235

235 V 60 Hz

235 V

60 Hz

120 V

60 Hz

180 V

60 Hz

235 V

60 Hz

NOTE: The Meter menu does not go to the all-phases state present in the Phase Select menu because the front panel can display only one phase at a time. Refer to the ac source Programming Guide on how to return simultaneous measurements from all three phases.

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Contents AC Power Solutions Agilent Models 6814B, 6834B, and 6843A User’s GuideWarranty Information CertificationSafety Summary GeneralSafety Symbols Declaration EMCAcoustic Noise Information Printing HistoryTable of Contents Error Number List Specifications Supplemental CharacteristicsPerforming the Calibration Procedure Entry Keys Examples of Front Panel ProgrammingDocument Orientation TopicLocation Option Description Safety ConsiderationsOptions, Accessories, and User Replaceable Parts Agilent Part NumberDescription CapabilitiesModel Description Output Characteristic Front Panel/Remote OperationRanges AC Source Output Characteristic in real-time mode Output VA CapabilityPage Damage Packaging Material CleaningInspection Items SuppliedRack Mounting LocationBench Operation Not block the fan exhaust at the rear of the unitInstalling the Power Cord Input ConnectionsInput Source and Line Fuse Output Connections Output ConnectionsCurrent Ratings Wire ConsiderationsVoltage Drops Ampacity and Resistance of Stranded Copper ConductorsRemote Sense Connections Remote Sense ConnectionsOVP Considerations Trigger ConnectionsDigital Connections Output RatingGpib Connector Controller ConnectionsRS-232 Interface Interface CommandsRS-232 Connector RS-232 Data FormatHardware Handshake Null Modem Interface Lines Response Data TerminatorIntroduction Preliminary CheckoutUsing the Keypad Checkout ProcedureProcedure Display Explanation VoltProtclear Currprot VoltprotCurrlev Currprot OFFError Messages Case of TroubleLine Fuse Page Front Panel Description Front Panel, Overall ViewAC+DC Display Command Function System KeysAnnunciator On Phase Selected Function KeysImmediate Action Keys Display Measurement Scrolling KeysMeter Display Keys KBESSEL, RectOutput Control Keys DisplayRST Protection and Status Control Keys CLSIMM Trigger and List Control KeysInitimmed AbortEntry Keys Through Are used for entering numeric values Is the decimalExamples of Front Panel Programming Setting the Output Voltage AmplitudeProcedure for Single-Phase AC Sources Set the output to 120 V rms as followsAction Display Procedure for Three-Phase AC SourcesPhase 3 to 235 Vrms To verify the output, you can measure it as followsSetting the Output Frequency Setting a Protection FeatureOvercurrent protection feature as follows Voltt Using Transient Voltage ModesStep Transient Voltm StepWidth Pulse TransientVoltm Pulse DcycleList Transient ActionVoltm Fixed Voltm List Count Trigger Delays and Phase Synchronization Volt EOL Step AutoSyncsour Phase Example DisplaySyncphas Initimmed Voltm Step Syncsour Phase Syncphas Initimmed ExampleUsing Slew Rates to Generate Waveforms Programming Slew RatesStep Slewm Voltm FixedSlew SlewtRange Syncsour Phase SyncphasMeasuring Peak Inrush Current CurrpeakSaving and Recalling Operating States Setting the Gpib Address and RS-232 ParametersTo configure the RS-232 interface, proceed as follows Action Display To set the Gpib address, proceed as followsAddress Noutputs Specifications Table A-1. Performance Specifications1Agilent 6814B Agilent 6834B Agilent 6843A Supplemental Characteristics Table A-2. Supplemental CharacteristicsSpecifications a Page Characteristics Equipment RequiredRecommended Model Test Setup Turn-On Checkout ProcedurePerforming the Verification Tests Voltage Programming and Measurement Accuracy RMS Current Readback AccuracyAction Normal Result Agilent 6834B Current Measurement Accuracy Performing the Calibration ProcedureAgilent 6814B Current Measurement Accuracy Agilent 6843A Current Measurement AccuracyEnable Calibration Mode Front Panel CalibrationFront Panel Calibration Menu Calibrating and Entering Voltage Calibration Values Calibrating the OVP trip pointCalibrating and Entering Current Calibration Values Saving the Calibration Constants Changing the Calibration PasswordCalibrating the Output Impedance Agilent 6843A only CalpassCalibration Over the Gpib Calibration Error MessagesTable B-3. Gpib Calibration Error Messages Agilent Calibration Program ListingFigure B-2. Calibration Program Listing Sheet 1 Figure B-2. Calibration Program Listing Sheet 2 Page Error Number List Table C-1. Error NumbersError Messages Error Messages C Page Index Index Index Europe Asia Pacific United States Latin AmericaCanada Australia/New Zealand JapanManual Updates
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