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382095 V4.1 7/06

14

Power Quality of a 1 Phase 3 Wire (1P3W) System

a.

Turn the power on. Press the POWER and the 1

Φ

3

Φ

buttons to select the 1P3W system.

The type of system will be displayed at the bottom right of the LCD.

b.

Connect the test leads to the voltage terminals L1, L2 and V

N

(Neutral) of the system.

c.

Connect the two current probes to the power analyzer input terminal I1 and I2.

d.

Clamp on to the L1 and L2. Make sure the current flows from the front of the current probe to

the back.

e.

All of the system parameters will be shown in the LCD

For a description of each parameter, refer to XIV. NOMENCLATURE.

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Содержание 382095

Страница 1: ...User Manual Power and Harmonics Analyzer Model 382095 ...

Страница 2: ...manufacturer the protection provided by the clamp meter may be impaired Please read the following instructions before use 1 Do not operate this instrument in wet or dusty environments 2 Do not operate this instrument in the presence of combustible or explosive gas 3 Do not touch exposed metal parts or unused terminals 4 Consider the use of rubber gloves in operation 5 Do not operate in excess of A...

Страница 3: ...Voltage Only 19 Graphic Phase Diagram 19 Phase Sequence of a 3 Phase System 21 Balance and Unbalance 3 Phase 3P3W 3P4W Power Source System 21 Balance and Unbalance 3 Phase 3P3W or 3P4W Load System 22 Transient Capture Dips Swells Outage 23 Down Load Transient Data 25 Data Logging of Power Data 3P4W 3P3W 1P2W 1P3W 25 Down Load Power Data 25 Data Logging of Harmonics 25 Down Load Harmonics Data 26 H...

Страница 4: ...responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific p...

Страница 5: ... th Order Displayof 50 Harmonics in one Screen with Waveform Displayof Waveform with Peak Values 1024 Samples Period Analysis ofTotal Harmonic Distortion THD F Graphic Phase Diagram with 3 Phase System Parameters Capture 28Transient Events Time Cycles with ProgrammableThreshold DIP SWELL and OUTAGE are included in transient events 3 Phase Voltage or Current Unbalanced Ratio VUR IUR 3 Phase Voltage...

Страница 6: ...382095 V4 1 7 06 6 PANEL DESCRIPTION ...

Страница 7: ... CT VT and SETUP are displayed in LCD 7 Buttons 8 RS 232C Window 9 Stand Holder 10 Stand 11 Battery Cover 12 Battery Compartment Press this button to exit transient detection mode Also used to exit the SETUPmenu Press this button to perform transient detection Press this button to hold the data displayed in LCD press again to continue operation Press this button to begin the measurement of harmoni...

Страница 8: ...ing interval is displayed in the LCD via the SEC indicator In the power mode press this button to displaythe phase In the harmonic analysis mode press this button to display phase angle instead of magnitude Press this button to turn the back light on Press it again to turn the back light off Press this button to begin measuring power Press this button to displaythe waveforms for voltage and curren...

Страница 9: ...lect CLAMP When the CLAMPis reverse video press the or button to select 100 Current Probe 1000A 1 JawAssembly 2 Trigger 3 Range Selector 4 6 pin mini DIN connector NOTE To select the1000Acurrent probe press the SETUPbutton to select CLAMP When the CLAMPis reverse video press the or button to select 1000 HARMON POWER HARMON 60A 100A 100A 10A 1A 100A 1A 10A 10A 100A 1000A ...

Страница 10: ...owever the maximum input current of the 382095 Power and HarmonicsAnalyzer is 1000A 1 Control Box 2 Output Range Select Switch 3 Flexible Loop 4 CouplingAssembly NOTE To select the 3000Aflexible current probe press the SETUPbutton to select CLAMP When the CLAMPis reverse video press the or button to select 3000 ...

Страница 11: ...G All the current probes connected to the power analyzer must be of the same model and same range Mixed models and different ranges will yield incorrect measurement results Power Quality of a 3 Phase 4 Wire 3P4W System a Turn the power on Press the POWER and the 1Φ3Φ buttons to select the 3P4W system The type of system will be displayed at the left bottom corner in the LCD b Connect the four test ...

Страница 12: ...h parameter refer to section XIV NOMENCLATURE Power Quality of a 3 Phase 3 Wire 3P3W System a Turn the power on Press the POWER and the 1Φ3Φ buttons to select the 3P3W system The type of system will be displayed at the bottom right of the LCD b Connect the four test leads to the voltage terminals L1 L2 and L3 of the system c Connect the three current probes to the power analyzer input terminal I1 ...

Страница 13: ...ottom right of the LCD b Connect the test leads to the voltage terminals L1 and VN Neutral of the system c Connect one current probe to the power analyzer input terminal I1 d Clamp on to the L1 Make sure the current flows from the front of the current probe to the back see arrow labeled on clamp probe e All of the parameters of the system will be shown in the LCD For a description of each paramete...

Страница 14: ...ight of the LCD b Connect the test leads to the voltage terminals L1 L2 and VN Neutral of the system c Connect the two current probes to the power analyzer input terminal I1 and I2 d Clamp on to the L1 and L2 Make sure the current flows from the front of the current probe to the back e All of the system parameters will be shown in the LCD For a description of each parameter refer to XIV NOMENCLATU...

Страница 15: ... test leads to the secondary voltage terminals L1 L2 L3 and the VN Neutral of the system c Clamp on to the secondary coils of L1 L2 and L3 Make sure the current flows from the front of the current probe to the back see the arrow label on the clamp probe d Press SETUP to enter the SETUP menu e Press SETUP several times until the CT symbol is highlighted f Press the or button to increment or decreme...

Страница 16: ... RATIO specified bythe VT i All 35 system parameters will be shown in the LCD For a description of each parameter refer to XIV NOMENCLATURE HarmonicAnalysis of Voltage or Current Normal Voltage without Distortion and Harmonics Distorted Current with Harmonics a Setup the analyzer for measurement of any power system 3P4W 3P3W 1P2W or 1P3W To view ...

Страница 17: ...under the waveform e The cursor arrow will point to the current order of harmonics The frequency HZ will be displayed next to the cursor The percentage of harmonics will be displayed below the cursor The magnitude of the harmonics V or A or phase angle will be displayed next to the f Press the SETUP button several times until HAR is highlighted g To move the cursor to the next harmonic use the or ...

Страница 18: ...mum demand is 527 4VA and 527 4W The time interval for maximum demand is 2 minutes Waveform of Voltage and Current Press this button to displaythe waveforms for voltage and current simultaneously Press this to select different inputs V1 I1 V2 I2 or V3 I3 NOTE The triggering point is the zero crossing point of V1 for V2 V3 I2 and I3 The triggering point for I1 is its own zero crossing point in case...

Страница 19: ...this button to select V1 V2 or V3 NOTE The triggering point is the zero crossing point of V1 for V2 and V3 NOTE In the waveform mode one period cycle of 1024 data points is displayed Graphic Phase Diagram Press this button to displaythe phase diagram The voltage and current signals are displayed in phase format magnitude angle V1 is the reference The V1 angle is always 0 degrees ...

Страница 20: ...nce Unbalanced Ratios for voltage REF nominal voltage for transient detection reference Sd threshold in for transient detection with respect to nominal voltage REF NOTE The phase is drawn only when the reading exceeds 200 counts If V is zero the phase of the current will not be drawn Press this button to change the displayfrom VUR to IUR dA Historical max value of Max I1 I2 I3 Min I1 I2 I3 Min I1 ...

Страница 21: ...ht top corner and it will beep to warn of an incorrect phase sequence Balanced and Unbalanced 3 Phase 3P3W 3P4W Power Source System In order to check if a system is balanced press this button to displaythe phase diagram along with the VUR Balanced System If a 3 phase power source system is balanced the parameters should be as follows V1 V2 V3 V12 V23 V31 The phase angle of V2 120 the phase angle o...

Страница 22: ...nt of a system is balanced press the button twice to displaythe phase diagram with the IUR displayed Balanced System If a 3 phase load system is balanced the parameters should be as follows I1 I2 I3 The phase angle for I2 and I1 I2 I1 120 The phase angles of I3 and I2 I3 I2 120 In current of neutral 0A IUR 0 d0 0 d2 0 Unbalanced Systems If the values differ from the numbers above an unbalanced loa...

Страница 23: ...mode 2 Press the SETUP button until TRANS REF in reverse video is shown in the LCD 3 Press the or button to increment or decrement the nominal voltage for a reference To exit press the EXIT button 4 Press the SETUP button several times until SDVP is shown in the right bottom corner of the LCD ...

Страница 24: ...is 4 Code Table SWELL DIP OUTAGE COMMENT CODE 1 2 4 Codes can be added together DISPLAY FORMAT First column Sequential number of events Second column Elapsed time the elapsed time format is DAYS HOURS MINUTES 99 days 24 hours 60 minutes max The third column Number of cycles The fourth column Code of transient events There can be more than one transient condition occurring in one event NOTE In the ...

Страница 25: ...er measurement mode 3 Press the 1Φ3Φ button to select the appropriate system 3P4W 3P3W 1P3W or 1P2W 4 Press the REC button to start logging A REC symbol will display 5 To stop logging press the REC button again NOTE To download data send a CTRL D command to the analyzer through RS 232C interface WARNING The sampling time could be longer than the set value if there is no input at V1 Down Load Power...

Страница 26: ...V1 the sampling rate could be longer than the programmed value Down Load Harmonics Data 1 Press the SETUP button 2 Down Load File will be shown in reverse video 3 Press the or button to select the file number 4 If the data stored in a selected file is harmonics data a leading symbol H will precede the file name 5 Press the EXIT button 6 When the unit receives a CTRL D command through the RS 232C p...

Страница 27: ...e REC button It takes a few seconds to hardcopy the screen and store the screen in an internal file The LCD will show REC in reverse video when in operation The number following REC is the file number 3 Users can store up to 85 screens if no power or harmonics data is stored ...

Страница 28: ...ile is a hardcopy of the screen a leading symbol of H is displayed in reverse video 2 Press the or to select the saved screen 3 Press the HOLD READ button to restore the saved screen NOTE If the data saved in a specific file is a HARDCOPYof a screen a leading symbol of H is displayed in reverse video NOTE Hardcopy data can not be downloaded ...

Страница 29: ...ecrement the value by 1 Holding the or button will speed up the process of incrementing or decrementing To exit press the EXIT button The CT ratio range is 1 to 600 The VT ratio range is 1 to 3000 Once the CT or VT PT is set the voltage and current readings are as follows CURRENT displayed CURRENT measured x CT Ratio VOLTAGE displayed VOLTAGE measured x VT Ratio ...

Страница 30: ...ment or decrement the value by 1 Holding the or button will speed up the process of incrementing or decrementing To exit press the EXIT button The MD max demand time interval range is 1 to 60 minutes Once the time interval is set the unit will calculate the maximum demand and average demand in watts W or VA To toggle between W and VA press the POWER button ...

Страница 31: ...OGGING Press the SETUP button several times until SEC is displayed in reverse video Press the or button to increment or decrement the value by 2 Holding the or button will speed up the process of incrementing or decrementing To exit press the EXIT button ...

Страница 32: ...382095 V4 1 7 06 32 SET THE CALENDER CLOCK 1 Press the SETUPbutton to select Year Month Date Hour and Minute 2 Press the or to increment or decrement the number Note The seconds field cannot be adjusted ...

Страница 33: ...100Arange and continuous waveform Model 382095 100A clamp Range 0 to 100A Resolution Accuracyof Readings 2 5 0 999 9 W 0 1W 1 0 8W 1 000 9 999 KW 0 001 KW 1 8W 10 00 99 99 KW 0 01 KW 1 80W 100 0 999 9 KW 0 1 KW 1 0 8kW 1000 9999 KW 1 KW 1 8kW 1 2 For CT 1 the accuracy in percentage is the same 1 The additional digits should be multiplied by the CT ratio For example 8dgts becomes 8dgts CT ratio Ran...

Страница 34: ... 5 0 05A 0 4A to 10A 0 01 A 0 5 0 5A 4A to 100A 0 1 A 1 0 0 5A 3 4 For CT 1 the accuracy in percentage is the same 0 5 The additional digits should be multiplied by the CT ratio For example 5 digits becomes 5 digits CT ratio 3000A Flexible Clamp Range Resolution Accuracyof Readings 4 0 to 300 0 A 0 1 A 1 of range 300 0 to 999 9 A 0 1 A 1 of range 1000 to 3000 A 1 A 1 of range 4 For CT 1 the accura...

Страница 35: ...50 or 60 Hz 20 A If the currentis0at50or60Hz allthepercentage displayis0 1000A Clamp Range Resolution Accuracy 1 to 20 th 0 1 2 20 to 49 th 0 1 4 of reading 2 0 50 to 99 th 0 1 6 of reading 2 0 Harmonics of AC Current in Magnitude 1 to 99 th order minimum current at the 50 or 60 Hz 20A CT 1 1000A Clamp Range Resolution Accuracy 1 to 20 th 2 of reading 0 4A 20 to 49 th 4 of reading 0 4A 50 to 99 th...

Страница 36: ...z all the percentage displayis 0 3000A Flexible Clamp Range Resolution Accuracy 1 to 20 th 0 1 2 21 to 50 th 0 1 6 51 to 99 th 0 1 10 Harmonics of AC Current in Magnitude 1 to 99 th order minimum current at the 50 or 60 Hz 20A CT 1 3000A Flexible Clamp Range Resolution Accuracy 1 to 20 th 2 of range 0 4A 21 to 50 th 4 of range 0 4A 51 to 99 th 0 1A 6 of range 0 4A Harmonics of AC Current in Magnit...

Страница 37: ...to 50 th Harmonics If the voltage or current is 0 at 50 or 60 Hz all the percentage displays are 0 100A Clamp Range Resolution Accuracy 0 0 to 20 0 0 1 1 20 0 to 100 0 1 3 of reading 5 100 to 999 9 0 1 10 of reading 10 3000A Flexible Clamp Range Resolution Accuracy 0 0 to 20 0 1 2 of range 20 to 100 0 1 6 of range 1 100 to 999 9 0 1 10 of range 1 Peak Value of AC Voltage peak value 5V or AC Curren...

Страница 38: ...mp Range Resolution Accuracyof Readings 1 00 to 99 99 0 01 5 30 digits Crest Factor C F of AC Voltage peak value 5V or AC Current peak value 10 of the range VT 1 Model 382095 100AClamp Range Resolution Accuracyof Readings 1 00 to 99 99 0 01 5 30 digits Crest Factor C F of AC Current RMS value 30A Model 382095 3000AFlexible Clamp Range Resolution Accuracyof Readings 1 00 to 99 99 0 01 5 30 digits F...

Страница 39: ...ation Overload Indication OL Dimensions 257 L x 155 W x 57 H mm 10 1 L x 6 1 W x 2 3 H Weight 2 5 lbs 1160g Batteries included Accessories Four 4 test leads 9 8 3m in length Alligator clips x 4 Carrying bag x 1 Users manual x 1 Batteries AA 1 5V x 8 1000A Current Probe Conductor Size 2 2 55mm 2 5 x 1 0 64 x 24mm bus bar Range Selection Manual 10A 100A 1000A Dimensions 244mm L x 97mm W x 46mm H 9 6...

Страница 40: ...60 C Storage Humidity 75 relative 3000A Flexible Current Probe Probe Length 24 610mm Range Selection Manual 300A 3000A Minimum Bending Diameter 1 37 35mm Connector Diameter 0 9 23mm Cable Diameter 0 55 14mm Cable Length 6 7 170mm probe to box 6 7 170mm box to output Dimensions box 5 1 L x 3 1 W x 1 7 H 130mm L x 80mm W x 43mm H Weight 14 4 oz 410g Operating Temperature 14 to 185 F 10 C to 85 C Ope...

Страница 41: ... the batterycover 3 Lift and remove the battery cover 4 Remove the old batteries 5 Insert eight 8 new 1 5V AA batteries 6 Replace the battery cover and secure the screw MAINTENANCE CLEANING Service not covered in this manual should only be performed by qualified personnel Repairs should only be performed by qualified personnel Periodically wipe the case with a damp cloth and detergent do not use a...

Страница 42: ...H SH Φ1 Φ2 Φ3 Phase Angle of Each Phase WH Watt Hours SH VA hours QH VAR hours HZ Selected Frequency 50 60 or Auto MD Maximum Demand in W and VA over Specified Interval 3P4W 3 Phase 4 Wire System 3P3W 3 Phase 3 Wire System 1P2W Single Phase 2 Wire System 1P3W Single Phase 3 Wire System SEC sampling interval 0 to 3000 seconds for data logging CT Current Transformer Ratio from 1 to 600 VT Voltage Tr...

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